diff --git a/dev-lang/rust-bin/Manifest b/dev-lang/rust-bin/Manifest
index 1ef5bf3ed9f54..061b3abe36145 100644
--- a/dev-lang/rust-bin/Manifest
+++ b/dev-lang/rust-bin/Manifest
@@ -701,6 +701,36 @@ DIST rust-1.91.0-x86_64-unknown-linux-gnu.tar.xz 192170744 BLAKE2B a06c63e3c534e
 DIST rust-1.91.0-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 4bfa68287897a1b5916c04a56909aaeaa305cbdc4a9bef377295429221e48451a6f4670929c9d35e80a0d40478352702673bdae4958a924d4124c26e888ff561 SHA512 35e678a3d164b5f198e5aac2ed1c1a6af8fde83b84c84be6e3ce51a7099ae0a3e7d25510b45a1b2d6bb99599cda0f18ceec46883982bdca6ece94eb1e381ed0b
 DIST rust-1.91.0-x86_64-unknown-linux-musl.tar.xz 295368056 BLAKE2B 3057d8cc29bc789bd1c4d9d0779a0b2ef4b26c2278373960558a316061db72a77edf37e330eefe5c3ec66b69cf184fb46a14641162ba6ecf96f909d3ac7db100 SHA512 98a03725e216687be237358b1a6598470e98322af6cf51fc51d7ede23ae58b0107872a7f8ee2e4e69e9531b821be7145a975c86899a97728e809260b35ab7f23
 DIST rust-1.91.0-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B a8fb18793e536aec99626bf3d85890cbbbd8c2ee5e2a2917999543bd3153b026db1072419ad464e35ecc508e3e3fcb9cae450b4f590359589545fe9adbbcc26d SHA512 0c3bce48b1ddc7d97946ad5e27f8dde91dd14743577fe60056f7c6558139bab7d8aec4ce76901abd2633a61eb122bc30595779cea047ff7a714e83fda2921cb9
+DIST rust-1.92.0-aarch64-unknown-linux-gnu.tar.xz 169667388 BLAKE2B 268524a8066b68dfc2aa4fa524679b3ecc1bf47f74aab47b794eeb0a3ecc76255b7056ad1a852512a52a06802a2dc457bba8c60107d0cb9b464215c344c5430d SHA512 ade2921e938d7bc76638f7f3a47c23c35078cc9d92dbe4a6f032c74204ee41029e276479726154094d06f21e085a44b3a494649940e136a375b066952599eee0
+DIST rust-1.92.0-aarch64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B af7d38ab3fe8656c6234bb7bfd6129e52107b8f55f2cab7b234b74bd7219c9f8de7becc15b8f26dfb424085a15652876b62f8d8bacaadf612b4137a36c642eb4 SHA512 38ddf0d10ec9ad6b859b676c95c93736f8f5135235d0723aafec59b1a2d55e077e549d3b97fecf4b1794d120e3ecc4ed1828170df53b0ca4ea89fc252c500539
+DIST rust-1.92.0-aarch64-unknown-linux-musl.tar.xz 243864176 BLAKE2B 1f204b6b324aca414854f823bc16279444e27e9317092fe7a52f87420a1abcc3e56496baa9f69db00da3af8e81685b1fdeee53537f22910c26513fb7a4a6f6fd SHA512 c86001441d76110a5cfe79c4928997ca7d6211928607fa25f2cbbe06a279ab410d285f24c40dd112ec7d707a71d205b5b784cb465aaccbfb040895a4de44995d
+DIST rust-1.92.0-aarch64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 2e1d204cd5b420b28dcd8058c573a923df355cb6115804c8f763838d77cb4a430843f5aa44e7b58150ce4aac4920d8e74180ed94a9c2533530dfca472764822c SHA512 27d817e6390c7dede11133b75ca42d839179a62829c1376a866d2c9435c0f5f669fd55d5e8a357cfd359c3a0fffdf7315f296652a44818f313c70b76dc118a35
+DIST rust-1.92.0-arm-unknown-linux-gnueabi.tar.xz 226603088 BLAKE2B 7515c103ba35a953ec1ff76e346d4468ebc9e468896b8b63217536dd60ebc069a55d0a3a0dcea378993edbc9b80c1bf38b0cd3b6d36d3798dffc759845023f63 SHA512 af5b205a4f8cf4216adc7ba842e33165ccd9b6837d28c886a0c781310ef5afb0707826ada83fbd478c02a7365d5e784f3aad0df5526ffe64747ac3df85f5ccab
+DIST rust-1.92.0-arm-unknown-linux-gnueabi.tar.xz.asc 801 BLAKE2B bda65222f9cd8e8197e69de7916ba20a53ed7e2a3eda62582b24eb39dbf39c76fe4b0034b3b89ef1d84fafcb7ece0c4884ccc90a4d84b5bbb1381f1cd5166c07 SHA512 c6c8b81c2e20a71eea1a6dff526708f6b6868c13f102ffe7178329f481183321f55a8e99d9edc5047dbbe33bee4ac0bb5fcb5c91abc4113b61252c84947c8845
+DIST rust-1.92.0-arm-unknown-linux-gnueabihf.tar.xz 226977168 BLAKE2B 001e8ef2b098b796801aa5d544c69325d771f5ceae18bd49666d6075d0075987e31e13bd22d8be8049850818070a0d2a371606f94a859bcb8074433c68d5cdd0 SHA512 373bbf25efae00e3f0ba291434facd0a1493dbe5732675cadf9c083be434a58faa93e0701281018e30495ecbb9181bf1dcd5440be167ac47b208fe6ff4b9ce28
+DIST rust-1.92.0-arm-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B e91a70eae027b9232a8d795403addce6c9ce93aa6955602ab1395921812e8279de7351fdef3386973d08cd210c78d98f6ffd6f84e01b8c42fac488e43e9c4843 SHA512 85c3cfab75724a454a6cd4e3e4acbbefbc9a424093fbb8428c3e7d61d9eff06a4d6a82ae7289b340422cf2b670fbec1d04d4134ffbf765309a941a4ed7f5e16b
+DIST rust-1.92.0-armv7-unknown-linux-gnueabihf.tar.xz 229391128 BLAKE2B 0f8f124c535ffb2fee7ab3ed4a5d66ca2c80093e835ab579c2e66eb87c1014c2fa3c3e4a112976de259760fc362d8f0f181af491d0b5ad3b7a54f2219baf1361 SHA512 973e1c93f06a9db6270d2af195c74a0bb78bdb0a62661ffd5b3980c425190a4497fa4ce75cefabdc040c266fa58e65f08df6bbac480baeb67244baf00a9214dc
+DIST rust-1.92.0-armv7-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B 34d7bf789aad9769c935c8128ce27d25d60c1f2929a2be1a00454d90b332c8786a2d67f730c3964c5263e7d30bb4f102ed83d0f1e11ecddf12520ca823080347 SHA512 8d0ca423952b5ebd512f73204c0024665781c9dc827d2e0a1b3faebf721c6ea6bb2b03f4eadfba0dca6168b01f023c8bc2efcfd2e3aab8e7d757a52e394e58d8
+DIST rust-1.92.0-i686-unknown-linux-gnu.tar.xz 266952280 BLAKE2B 4bab20abbd86eecbaba177beba98cda7458bb78de8b7544bda6b645f0aef57112953135d9c6561b0563924a9d01d0e9b8d4930446f2bc7b1bfad2148b9fe4a21 SHA512 44af49ebaba392c9cab6f21fcc31bff69f4aa4ff56621909cb23970da94b774daff7716692a7b6d5913372f27c7081edc572fbc352c1984bb9bc62fb4b4d176c
+DIST rust-1.92.0-i686-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 8b18e860fae047b69b0ca2bb76e720ff545852045267a30a1a9e40a24af1671031eb4d14749fa84a1286ec3aa0a70dff438b1698081e9f6efdddba3ff08608d5 SHA512 c24bcc5da2b0672fdb9f096a9c44c3dbf31bbae6b7339d5404912b50da8210cc49288e1391e9bb6e8b161b6248975e3b2c7a8b1d776c2b0658b25af253636529
+DIST rust-1.92.0-loongarch64-unknown-linux-gnu.tar.xz 260244032 BLAKE2B 360823455bdc56f1c12539c4c0ef24a2cca0b083355fc872eb065db02b8e78c74472770253db40b1bce593c8e397e8701f279f42c78b296a444d28926ff34e8c SHA512 889dad9bd4dc2076fc6d917fe00f8ec0ae97c5cbac73d7a83c0d6206d5463ca43eff8301bfb9a653a102eba3ac4c8b50db291667d00dca9c9e259d759208f2f8
+DIST rust-1.92.0-loongarch64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 0491bebf5609afdd7f9e7479db3e52b0742f8cc3e4ccfcb425214f047bbd8461a4c3bc99646c5f9a466f9aaac2cf0432879b2571e06b8c678b78efa2d16e55f6 SHA512 434165ef1019cf87ddcff0e9784739e2670c1c2a59a813d250a7b433aa34f2682095675bd17203abc0a4f8a7ea01c904913679c224e6c8c5495ed53a172135e7
+DIST rust-1.92.0-powerpc-unknown-linux-gnu.tar.xz 249263952 BLAKE2B 8cacfb3bcbba699f280b754d489e0fdb917fcd2e1e1083fdd10467392d29c56eb597d0bd31e98592963fa82bb507c8838763a5aba209a909b2dfb5ab3f27c3cb SHA512 6f4fb3fdbfee99bb7f2dbc70cab055c237e2e0223fa46e2272a96c2592a1160b71268b2895b95093a048e6ff784fe07ecca2709e6475c68cde8a32ab3f6bb480
+DIST rust-1.92.0-powerpc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B a3ea0070162418a06e866ea70b60d3cf63a0e739ad916295e7dc692d12aa5a303bdc08cdc72a78f51e865f1914ded82cf2f3545f91b5b453a8fcac58cdc76554 SHA512 39d4434f767d5ce3fe869f9574ab3fd371f8687fbc1b28c1aad9fbac4e5ce8342574b97b24013e2c718936194e97e37e419919c376f531cb7f5d5a139ed3e0c9
+DIST rust-1.92.0-powerpc64-unknown-linux-gnu.tar.xz 251652784 BLAKE2B 66a6c1ce7155e33c8f75d882f746601db13b9c932cdfcab824bcc352205062998d0ca0f1b9c58f709692d344be43a0058d0228a58f34dbafa59d9d3421412b5a SHA512 090dfc19fb0ee9f156c3a24ca4965f4385c20551dfe2c6b248d335ebe6d9a12bfca3916ea27f571f67aea00e1d89371e92e5a6b128ed10bb590a8a2c10b0aafe
+DIST rust-1.92.0-powerpc64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B e1100d2ba8cf241fa3fce2219e07428a0591815afc1cd4fb192cb062f6bd99ed3bc45d97c74d07a31ca27d9af2872e8dad9a8641ff66deddc6e9a7b56ae3877e SHA512 360662ba1a7b9db74136569ae8ec4e4ebefee336c35b1c85e0f0cc0a25a5caa1ecc5e4d0c6477346bff8234a8849bb3330c3c9201e3765beff8662d8fb226bdb
+DIST rust-1.92.0-powerpc64le-unknown-linux-gnu.tar.xz 270620124 BLAKE2B ae766b234b330a7b16d641c376e42fa3680e33b78e7f0778ff5da61eca0b0c8e2142701cf50cd31848d750f10fe876d5494a99a7b694ede30f9aff2dc2bb8f41 SHA512 8687e2958583db9b18ab6ee9b6905b2ee571d96fed4e7de31b00e44eed75fdfe995a87aea2c09d195cbdfd5aaca1efe1a7b2d795b157992c538b678b0f036137
+DIST rust-1.92.0-powerpc64le-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 5fef628626696646cfda28da753336c8c6864c59a8aa20d2aecbe6c9e1009c2b49f877ceb434a4f18179ea44a68149a5bd7f82c134b05abcb18e47ecd13e1688 SHA512 d3bebb5aaaa440075c822e65fe5b5adef37180a48c39ac89dc95f97ff660ccb96928be34422535d2a24cb63ab8ff8a05f5388a696060b32a5df3ae5a8566f36a
+DIST rust-1.92.0-powerpc64le-unknown-linux-musl.tar.xz 268016416 BLAKE2B 307cc8a271330dc45360b0f8cea85ad87ca2cd1523e8824a6766c6857e350c79e1ea7376fa042df1a0677fbccd9fdefa3d656aa752ec2abed72a6882af1141ae SHA512 a731bde7fac6d33575411cbdb14df72360855d014289bbc97fbf6d78cf41fec217bbf2e42733bedfcd234de7545fceb3d3d2ad9498747a6ea08367dd5dd439aa
+DIST rust-1.92.0-powerpc64le-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 63eaf91d14e4664fda093f25e1b450e0c513476d4df612f4f97168719c3c697e0d3c057165eb7ce8f0d968fe39c242da31ba7df6526162b3cddb1d2f5e6bb0e4 SHA512 ade94bec00188aacd8490ca05a3c3e9099f31bba8ba4fec74c1d3790422d1dc165b62977eb8894b8e72ec65936470dc52f08a0ec8fa43fa6ddf3c30d0acf2603
+DIST rust-1.92.0-riscv64gc-unknown-linux-gnu.tar.xz 248195844 BLAKE2B e9b200abbd0e294019cd99bb3c6768615ce0bbb7609b3c723a0a57a0d697bdc438c691523f8487b14a9c9397eff0f56b02662b0eb78e057d03100d1ab8d888d6 SHA512 f032be2d3da472a989fdd47dc8ac0d2327139efc2a1b06d53e2c9a3d56eaeb82c3017f8b01ab5ef577278e51236783274db3e1dd728b079acb685bb227a68eec
+DIST rust-1.92.0-riscv64gc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 9be219123b6ac03badc12b9f0da92179944158c7e9f7c993e14018dfb8d1b1098845a12590b70108f264dde00d91063a2c18593e6726316e4d719952687b2eea SHA512 d42936ebfc388c03006307d897cbf938cddba4cffecbb2974afe27867207956ad6b4480d93a2f3a1272dd5bca6fde62dbc881764c85e62262e855586f5cad897
+DIST rust-1.92.0-s390x-unknown-linux-gnu.tar.xz 239174100 BLAKE2B 4067b615e0ccd321e11f475f3773336420006cc670787d9aa69185cce029961b04b53bc5f8059d2b6ebf029353b5f9af45c8873c3d63a686d00ffcb820dc2eff SHA512 d94f7e6311dd22cd169b6f60ead6b651d4b9cabf81b4bc56d9e3a306909fa21327526272231726ab57208682915089486d7055776340f05b5626e45006bccc90
+DIST rust-1.92.0-s390x-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 3f9dbec921e6f5a2918a1f90983fd80a9fd67cb0630c66ee7cdf9dd02f9076cb3953653bd38037b31e2ad65f533d4794cc434dd503603601f239f66ce20c9445 SHA512 11be5cfd5dcf5cfee52fb7dbb7dd11eea4e4ffca534984d37b8b9aa4512917f39fcd2bc7fcbc71c8b6d406419721df39504b2af5ba551550b7d8de2105a6e3f4
+DIST rust-1.92.0-x86_64-unknown-linux-gnu.tar.xz 192171372 BLAKE2B a4d300f49db610ec30123c68f7b29ea72cf24e543e14f00d3ffafd7a41a25b699fef7b9d62be06a327d4aa08a191c3deca4b7472b7c0c99a0aefa16c7027a7de SHA512 cfef78f2a26fc5858120f5c56548bcbb720c0a25236ddba5470611e2b5c8e518e0a594b9f2a125e35e48def11c40a4f8116c21cc802a298c20e9b36773e7978e
+DIST rust-1.92.0-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 6b5705cee0a257eb54836da4c351bc3e5367938cdf8dc317137c13b88a52b63361b647602c5a2f087fc145c1d490e40513ee74e232f0f5c304d71c55c4f55dc0 SHA512 15a54c497a450211e09701e7c4158dff3b4a32ed4bbc5dc36e6920de1d2a42563b7bca69180b3456b088e5079b9d07d2bd0656f1a9491e4445a4aa9eeb45140a
+DIST rust-1.92.0-x86_64-unknown-linux-musl.tar.xz 295461400 BLAKE2B 9eb8a7ab9c3bbd4ab8f6bb1d6cec7c2f47461ec48144cb9bf3c6f71dc63e0db79d3fb9eddf5373626259e1bfc60a7c693d0dc7908ed651dea0478067985f9c32 SHA512 974e589f2f530b98cf378593a0b6a5fdcc39b6f163bb252ab8a7dec4270465830fd72b60b9d0bbcff44feb354a004fd2e2e2aef45dac51533a905a01e35a061a
+DIST rust-1.92.0-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B e23b48bf40fe709084f8792c563d47f1ede9e91e78d6e270b05dc58ac60ce71277ad8f72b2d67b81d7434c0f73df4d97f4eb5896c2d1864964344ab341b41125 SHA512 f427c992b45585b484fa6171d35bf56d47cdb05199ff8af35cee76e6ecb2138df31b383e3b4b786846cfdc38ebed370c4dec9573434d941c0a03ef16f9aa8945
 DIST rust-src-1.74.1.tar.xz 2544036 BLAKE2B d95431b69f102782f51878ff73ce8802cac6dab7909497c3231d1c479b95dc2a618cc6efd8bac9c6bd59a2b10dc6be05199f1e1bd74e45cc640ee52352c29268 SHA512 11467d0936193c5a5be8c2eba1aefe2b7028af48494698863de2c4057d68ce33dcee1fc66dc2d68b1d32f0202ce49e9b906727849de8f8d904dd07930e76d5a4
 DIST rust-src-1.75.0.tar.xz 2570256 BLAKE2B 9db7ccff07ffe6991233e9f530321fd6ba48c561dcf1226537afa70c7d045421d8e83c5300b0866ec6fccfaae96dd67b9f204e9e0e12108c0c766d467cd78909 SHA512 e7565cea2f1658a05237a698e38880df2544319b41b6d8b0805db5f1f94fd3bb4f986967d0440fcdfe3a135e33246f3c747665b964f57ff5942f56133af78cdd
 DIST rust-src-1.76.0.tar.xz 2590884 BLAKE2B d1a6215dab34d7b10c3177d2b248f997d3a846388f3442567572880aa5c5bc51b56398f5d4dc32727cee7c9dbef494430d6534a76b66c4ae5ac4fed07266644d SHA512 39d2fe58fae8c8c5a6cb3fb1ef2a1c7548c018fef6ccea531659fdfecd68a4aa77125299d2cbe5b58e500337b4d074928318fa9ebce358af500d0ef27260e3ca
@@ -721,3 +751,4 @@ DIST rust-src-1.88.0.tar.xz 3155272 BLAKE2B bca923d2264337366b8013c45f3a40cbdfc1
 DIST rust-src-1.89.0.tar.xz 3461444 BLAKE2B b1e43def4cc0f47f0e776d383954b339a62b3efa77d5db71180b7b7620a67bd2d2714afe0b08ae26a06d7d8c785eed03f545d91813d074cbe6641e883a2d40dd SHA512 055c09854e47d1bdfc7f393ac6f2783d35cb8cf13100deb227598ad91020f1d91e4cec1658d8e71db3c266dc6e267ab4172dc1007428cb05105dc4aac57bf89d
 DIST rust-src-1.90.0.tar.xz 3473408 BLAKE2B 09e9d17af7acb38b99e33874cd4b14ad7e0e15b0580846cc32bc78657432b13091bcbf3fe95494c520bcdbabd5491b9445cb3ce3177fa149d0b89991b67b06e3 SHA512 88dd1a5f1a69ab9e4586fee4a31d7dea51a664ac32b501cab771739b8127eb4ac873d2353e819ef057734522c1bcd64d664bda3d1ff957b1448b4653be766638
 DIST rust-src-1.91.0.tar.xz 3509292 BLAKE2B b1cf99db4cbd864fda34c2068a19e8b36c99f6bb5c2fa3c22ef7aa006d4c084bd706fff872a7f87a0ded3db3dead5927153183e4425ffd90e51af468a29db48e SHA512 8d7c5a3aa11b42d5b89b38d1167f6be64de49288738e0fd949d1fe9ac3312830301d578a13de2030b45a7c51179b5adb934deb52e1070afa76520944050baa2e
+DIST rust-src-1.92.0.tar.xz 3530724 BLAKE2B 1385e8cc8062dffa69829e4ffeee7daaaeddc35c20c5e841e5183952d2eb8e3c33fe64deff46a7017057723ac3623f1b918d6a61ba2efadc6501bae36241c161 SHA512 be31d704b936d421dae7774dd7243d2a2668c54eac07f3e8d6c289a994c9e238a6e775be2735c4b609e710d8bbb1afe9bf028375e573e5d16def58a53ebc4ba7
diff --git a/dev-lang/rust-bin/rust-bin-1.92.0.ebuild b/dev-lang/rust-bin/rust-bin-1.92.0.ebuild
new file mode 100644
index 0000000000000..ca8b61dafbfcd
--- /dev/null
+++ b/dev-lang/rust-bin/rust-bin-1.92.0.ebuild
@@ -0,0 +1,339 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_COMPAT=( 21 )
+LLVM_OPTIONAL="yes"
+
+inherit edo llvm-r1 multilib prefix rust-toolchain verify-sig multilib-minimal optfeature
+
+if [[ ${PV} == *9999* ]]; then
+	# We need to fetch a tarball in src_unpack
+	PROPERTIES+=" live"
+elif [[ ${PV} == *beta* ]]; then
+	# curl -Ls static.rust-lang.org/dist/channel-rust-beta.toml | grep "xz_url.*rust-src"
+	betaver=${PV//*beta}
+	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+	RUST_TOOLCHAIN_BASEURL=https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/
+	SRC_URI="$(rust_all_arch_uris rust-beta rust-${PV})
+		rust-src? ( ${RUST_TOOLCHAIN_BASEURL%/}/rust-src-beta.tar.xz -> rust-src-${PV}.tar.xz )
+	"
+else
+	# curl -Ls static.rust-lang.org/dist/channel-rust-${PV}.toml | grep "xz_url.*rust-src"
+	SRC_URI="$(rust_all_arch_uris "rust-${PV}")
+		rust-src? ( ${RUST_TOOLCHAIN_BASEURL%/}/2025-12-11/rust-src-${PV}.tar.xz )
+		ppc64? ( elibc_musl? ( !big-endian? (
+			$(rust_arch_uri powerpc64le-unknown-linux-musl rust-${PV})
+		) ) )
+	"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+fi
+
+GENTOO_BIN_BASEURI="https://github.com/projg2/rust-bootstrap/releases/download/${PVR}" # omit trailing slash
+
+DESCRIPTION="Systems programming language from Mozilla"
+HOMEPAGE="https://www.rust-lang.org/"
+
+if [[ ${PV} != *9999* && ${PV} != *beta* ]] && false; then
+	# Keep this separate to allow easy commenting out if not yet built
+	SRC_URI+=" sparc? ( ${GENTOO_BIN_BASEURI}/rust-${PVR}-sparc64-unknown-linux-gnu.tar.xz ) "
+	SRC_URI+=" mips? (
+		abi_mips_o32? (
+			big-endian?  ( ${GENTOO_BIN_BASEURI}/rust-${PVR}-mips-unknown-linux-gnu.tar.xz )
+			!big-endian? ( ${GENTOO_BIN_BASEURI}/rust-${PVR}-mipsel-unknown-linux-gnu.tar.xz )
+		)
+		abi_mips_n64? (
+			big-endian?  ( ${GENTOO_BIN_BASEURI}/rust-${PVR}-mips64-unknown-linux-gnuabi64.tar.xz )
+			!big-endian? ( ${GENTOO_BIN_BASEURI}/rust-${PVR}-mips64el-unknown-linux-gnuabi64.tar.xz )
+		)
+	)"
+	SRC_URI+=" riscv? (
+		elibc_musl? ( ${GENTOO_BIN_BASEURI}/rust-${PVR}-riscv64gc-unknown-linux-musl.tar.xz )
+	)"
+	SRC_URI+=" ppc64? ( elibc_musl? (
+		big-endian?  ( ${GENTOO_BIN_BASEURI}/rust-${PVR}-powerpc64-unknown-linux-musl.tar.xz )
+	) )"
+fi
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD BSD-1 BSD-2 BSD-4"
+SLOT="${PV%%_*}" # Beta releases get to share the same SLOT as the eventual stable
+IUSE="big-endian clippy cpu_flags_x86_sse2 doc prefix rust-analyzer rust-src rustfmt"
+
+# net-misc/curl is needed for our own bootstrapped rustc, since cross-compiling bundled curl is not supported
+RDEPEND="
+	>=app-eselect/eselect-rust-20190311
+	dev-libs/openssl
+	net-misc/curl
+	sys-apps/lsb-release
+	|| (
+		llvm-runtimes/libgcc
+		sys-devel/gcc:*
+	)
+	!dev-lang/rust:stable
+	!dev-lang/rust-bin:stable
+"
+BDEPEND="
+	prefix? ( dev-util/patchelf )
+	verify-sig? ( sec-keys/openpgp-keys-rust )
+"
+[[ ${PV} == *9999* ]] && BDEPEND+=" net-misc/curl"
+
+REQUIRED_USE="x86? ( cpu_flags_x86_sse2 )"
+
+# stripping rust may break it (at least on x86_64)
+# https://github.com/rust-lang/rust/issues/112286
+RESTRICT="strip"
+
+QA_PREBUILT="
+	opt/rust-bin-${SLOT}/bin/.*
+	opt/rust-bin-${SLOT}/lib/.*.so*
+	opt/rust-bin-${SLOT}/libexec/.*
+	opt/rust-bin-${SLOT}/lib/rustlib/.*/bin/.*
+	opt/rust-bin-${SLOT}/lib/rustlib/.*/lib/.*
+"
+
+# An rmeta file is custom binary format that contains the metadata for the crate.
+# rmeta files do not support linking, since they do not contain compiled object files.
+# so we can safely silence the warning for this QA check.
+QA_EXECSTACK="opt/${PN}-${SLOT}/lib/rustlib/*/lib*.rlib:lib.rmeta"
+
+VERIFY_SIG_OPENPGP_KEY_PATH="/usr/share/openpgp-keys/rust.asc"
+
+src_unpack() {
+	if [[ ${PV} == *9999* ]]; then
+		# We need to fetch the latest nightly listing and get the apprapriate src_uri for our arch
+		local rust_bin_url rustc_src_url
+		# Cut down on webrequests by fetching the nightly toml once
+		curl -Ls static.rust-lang.org/dist/channel-rust-nightly.toml > "${WORKDIR}/channel-rust-nightly.toml" ||
+			die "Failed to fetch nightly revision info"
+		rustc_src_url=$(grep 'xz_url.*rust-src' "${WORKDIR}/channel-rust-nightly.toml" | cut -d '"' -f 2)
+
+		if use rust-src; then
+			einfo "Using nightly Rust-src from: ${rustc_src_url}"
+			# We need to fetch the rust-src tarball
+			einfo "Fetching nightly rust-src tarball ..."
+			curl --progress-bar -L "${rustc_src_url}" -o "${WORKDIR}/rust-src-${PV}.tar.xz" ||
+				die "Failed to fetch nightly rust-src tarball."
+			# no verify-sig here, just unpack it
+			tar -xf "${WORKDIR}/rust-src-${PV}.tar.xz" || die "Failed to unpack nightly rust-src tarball"
+		fi
+
+		local v
+		for v in $(multilib_get_enabled_abi_pairs); do
+			rust_target="$(rust_abi $(get_abi_CHOST ${v##*.}))"
+			rust_bin_url=$(grep "xz_url.*rust-nightly-${rust_target}" "${WORKDIR}/channel-rust-nightly.toml" | cut -d '"' -f 2)
+			einfo "Using nightly Rust from ${rust_bin_url} for ${rust_target}"
+
+			einfo "Fetching nightly Rust tarball for ${rust_target} ..."
+			curl --progress-bar -L "${rust_bin_url}" -O || die "Failed to fetch nightly tarball for ${rust_target}"
+			if use verify-sig; then
+				einfo "Fetching nightly signature for ${rust_target} ..."
+				curl --progress-bar -L "${rust_bin_url}.asc" -O || die "Failed to fetch nightly signature for ${rust_target}"
+				verify-sig_verify_detached "${WORKDIR}/rust-nightly-${rust_target}.tar.xz" \
+					"${WORKDIR}/rust-nightly-${rust_target}.tar.xz.asc"
+			fi
+
+			tar -xf "${WORKDIR}/rust-nightly-${rust_target}.tar.xz" || die "Failed to unpack nightly tarball for ${rust_target}"
+		done
+	else
+		# sadly rust-src tarball does not have corresponding .asc file
+		# so do partial verification
+		if use verify-sig; then
+			for f in ${A}; do
+				if [[ -f ${DISTDIR}/${f}.asc ]]; then
+					verify-sig_verify_detached "${DISTDIR}/${f}" "${DISTDIR}/${f}.asc"
+				fi
+			done
+		fi
+
+		default_src_unpack
+	fi
+
+	# We only want to do this for the native ABI. Non-native ABIs are
+	# handled differently in multilib_src_install.
+	case ${PV} in
+		*9999*)
+			mv "${WORKDIR}/rust-nightly-$(rust_abi)" "${S}" || die
+			;;
+		*beta*)
+			mv "${WORKDIR}/rust-beta-$(rust_abi)" "${S}" || die
+			;;
+		*)
+			mv "${WORKDIR}/rust-${PV}-$(rust_abi)" "${S}" || die
+			;;
+	esac
+}
+
+patchelf_for_bin() {
+	local filetype=$(file -b ${1})
+	if [[ ${filetype} == *ELF*interpreter* ]]; then
+		einfo "${1}'s interpreter changed"
+		patchelf ${1} --set-interpreter ${2} || die
+	elif [[ ${filetype} == *script* ]]; then
+		hprefixify ${1}
+	fi
+}
+
+rust_native_abi_install() {
+	pushd "${S}" >/dev/null || die
+	local std="$(grep 'std' ./components || die "std not found in components")"
+	local components=( "rustc" "cargo" "${std}" )
+	use doc && components+=( "rust-docs" )
+	use clippy && components+=( "clippy-preview" )
+	use rustfmt && components+=( "rustfmt-preview" )
+	if use rust-analyzer; then
+		local analysis="$(grep 'analysis' ./components || die "analysis not found in components")"
+		components+=( "rust-analyzer-preview" "${analysis}" )
+	fi
+	# Rust component 'rust-src' is extracted from separate archive
+	if use rust-src; then
+		einfo "Combining rust and rust-src installers"
+		case ${PV} in
+			*9999*)
+				mv -v "${WORKDIR}/rust-src-nightly/rust-src" "${S}" || die
+				;;
+			*beta*)
+				mv -v "${WORKDIR}/rust-src-beta/rust-src" "${S}" || die
+				;;
+			*)
+				mv -v "${WORKDIR}/rust-src-${PV}/rust-src" "${S}" || die
+				;;
+		esac
+		echo rust-src >> ./components || die
+		components+=( "rust-src" )
+	fi
+	edo ./install.sh \
+		--components="$(IFS=,; echo "${components[*]}")" \
+		--disable-verify \
+		--prefix="${ED}/opt/rust-bin-${SLOT}" \
+		--mandir="${ED}/opt/rust-bin-${SLOT}/man" \
+		--disable-ldconfig
+
+	docompress /opt/${P}/man/
+
+	if use prefix; then
+		local interpreter=$(patchelf --print-interpreter "${EPREFIX}"/bin/bash)
+		ebegin "Changing interpreter to ${interpreter} for Gentoo prefix at ${ED}/opt/rust-bin-${SLOT}/bin"
+		find "${ED}/opt/rust-bin-${SLOT}/bin" -type f -print0 | \
+			while IFS=  read -r -d '' filename; do
+				patchelf_for_bin ${filename} ${interpreter} \; || die
+			done
+		eend $?
+	fi
+
+	local symlinks=(
+		cargo
+		rustc
+		rustdoc
+		rust-gdb
+		rust-gdbgui
+		rust-lldb
+	)
+
+	use clippy && symlinks+=( clippy-driver cargo-clippy )
+	use rustfmt && symlinks+=( rustfmt cargo-fmt )
+	use rust-analyzer && symlinks+=( rust-analyzer )
+
+	einfo "installing eselect-rust symlinks and paths"
+	local i
+	for i in "${symlinks[@]}"; do
+		# we need realpath on /usr/bin/* symlink return version-appended binary path.
+		# so /usr/bin/rustc should point to /opt/rust-bin-<ver>/bin/rustc-<ver>
+		local ver_i="${i}-bin-${SLOT}"
+		ln -v "${ED}/opt/rust-bin-${SLOT}/bin/${i}" "${ED}/opt/rust-bin-${SLOT}/bin/${ver_i}" || die
+		dosym -r "/opt/rust-bin-${SLOT}/bin/${ver_i}" "/usr/bin/${ver_i}"
+	done
+
+	# symlinks to switch components to active rust in eselect
+	dosym -r "/opt/rust-bin-${SLOT}/lib" "/usr/lib/rust/lib-bin-${SLOT}"
+	dosym -r "/opt/rust-bin-${SLOT}/man" "/usr/lib/rust/man-bin-${SLOT}"
+	dosym -r "/opt/rust-bin-${SLOT}/lib/rustlib" "/usr/lib/rustlib-bin-${SLOT}"
+	dosym -r "/opt/rust-bin-${SLOT}/share/doc/rust" "/usr/share/doc/rust-bin-${SLOT}"
+
+	# make all capital underscored variable
+	local CARGO_TRIPLET="$(rust_abi)"
+	CARGO_TRIPLET="${CARGO_TRIPLET//-/_}"
+	CARGO_TRIPLET="${CARGO_TRIPLET^^}"
+	cat <<-_EOF_ > "${T}/50${P}"
+		MANPATH="${EPREFIX}/usr/lib/rust/man-bin-${SLOT}"
+	$(usev elibc_musl "CARGO_TARGET_${CARGO_TRIPLET}_RUSTFLAGS=\"-C target-feature=-crt-static\"")
+	_EOF_
+	doenvd "${T}/50${P}"
+
+	# note: eselect-rust adds EROOT to all paths below
+	cat <<-_EOF_ > "${T}/provider-${PN}-${SLOT}"
+	/usr/bin/cargo
+	/usr/bin/rustdoc
+	/usr/bin/rust-gdb
+	/usr/bin/rust-gdbgui
+	/usr/bin/rust-lldb
+	/usr/lib/rustlib
+	/usr/lib/rust/lib
+	/usr/lib/rust/man
+	/usr/share/doc/rust
+	_EOF_
+
+	if use clippy; then
+		echo /usr/bin/clippy-driver >> "${T}/provider-${PN}-${SLOT}"
+		echo /usr/bin/cargo-clippy >> "${T}/provider-${PN}-${SLOT}"
+	fi
+	if use rustfmt; then
+		echo /usr/bin/rustfmt >> "${T}/provider-${PN}-${SLOT}"
+		echo /usr/bin/cargo-fmt >> "${T}/provider-${PN}-${SLOT}"
+	fi
+	if use rust-analyzer; then
+		echo /usr/bin/rust-analyzer >> "${T}/provider-${PN}-${SLOT}"
+	fi
+
+	insinto /etc/env.d/rust
+	doins "${T}/provider-${PN}-${SLOT}"
+	popd >/dev/null || die
+}
+
+multilib_src_install() {
+	if multilib_is_native_abi; then
+		rust_native_abi_install
+	else
+		local rust_target version
+		case ${PV} in
+			*9999*)
+				version=nightly
+				;;
+			*beta*)
+				version=beta
+				;;
+			*)
+				version=${PV}
+				;;
+		esac
+		rust_target="$(rust_abi $(get_abi_CHOST ${v##*.}))"
+		dodir "/opt/${P}/lib/rustlib"
+		cp -vr "${WORKDIR}/rust-${version}-${rust_target}/rust-std-${rust_target}/lib/rustlib/${rust_target}"\
+			"${ED}/opt/${P}/lib/rustlib" || die
+	fi
+
+	# BUG: installs x86_64 binary on other arches
+	rm -f "${ED}/opt/${P}/lib/rustlib/"*/bin/rust-llvm-dwp || die
+}
+
+pkg_postinst() {
+	eselect rust update
+
+	if has_version dev-debug/gdb || has_version llvm-core/lldb; then
+		elog "Rust installs helper scripts for calling GDB and LLDB,"
+		elog "for convenience they are installed under /usr/bin/rust-{gdb,lldb}-${PV}."
+	fi
+
+	if has_version app-editors/emacs; then
+		optfeature "emacs support for rust" app-emacs/rust-mode
+	fi
+
+	if has_version app-editors/gvim || has_version app-editors/vim; then
+		optfeature "vim support for rust" app-vim/rust-vim
+	fi
+}
+
+pkg_postrm() {
+	eselect rust cleanup
+}
diff --git a/dev-lang/rust-common/Manifest b/dev-lang/rust-common/Manifest
index 1ded4ec686c87..f52ff1998e5a9 100644
--- a/dev-lang/rust-common/Manifest
+++ b/dev-lang/rust-common/Manifest
@@ -20,3 +20,5 @@ DIST rustc-1.90.0-src.tar.xz 272348992 BLAKE2B 82dbbe3b5fe79f623c74fb81a4c4372b1
 DIST rustc-1.90.0-src.tar.xz.asc 801 BLAKE2B 1e84c6134c4fedbbd52610c259c1bdacb45bc97e8cce7a6b5a8c92827a072c88fcf8984893a5e6aa28c2d5d82bd849bb9d38390c783cfaa503a18c99bcaabcde SHA512 fc8f6dfbb4b50777ae8e499883f95b64861db0ca37119b34b3670b4adf51dd248b0b33daafee90e0f22f66b1d8bd8ae6a6107106e95e73f5c2c5a8dc29532e2e
 DIST rustc-1.91.0-src.tar.xz 270987196 BLAKE2B 18ea8075c288d1c2cc8c247120ae5fa157d0144f6dc8f0e30ce48eb068b2440604733b5230fcea6fcb9aa4630de03aa4af632227c5f3e62733254ee45e2a478d SHA512 1e4c7a2435dc5bccfc63f34f5d210f7cafb0113787a4b5069d61f03528a32cd0a29ac516673cbc0eb564089f1dc5e13b962e6c3714bd0109de664c22ed340fb3
 DIST rustc-1.91.0-src.tar.xz.asc 801 BLAKE2B 11b157fafcfa9887b591ffff8b87641f62e81e44d32d5c4ae99a410179905ae64fe760d6c3a6614bd479f51457542a57b171aaa53baad73d5030e496e62f1e67 SHA512 17c99b273d7e84c54b40817448cb7f543b61a5b262d2bfb1c2d1ff108ccf010295c42ae1ae74593fdab1d6caa3cd3f6713e9966a9a5057c01cd85ae3f24a6f89
+DIST rustc-1.92.0-src.tar.xz 271887480 BLAKE2B 765e0f216dde8d375e19ca5b1cd3e051b182cc058e16a1307e82e60bac06de6919d18b6506cb14b3ff5e29c2730ef7d1c6e0d86c3bbf6b8148bbf683048eb99b SHA512 a2c0b127933595b9bc2063d7b7c88d9af512c4664b18f29d44c9a6e2c68d194b87a3071717e8f1b7c858ae940baca888e10be95cd31e0201916d0bfc312a3b15
+DIST rustc-1.92.0-src.tar.xz.asc 801 BLAKE2B 0d223a763b4a3bf0583c4c2c19b2a30dfbe48b6b06c17a764c894ec29d1d0543201a78a263df3c1314c4ad9e050009e1cacb580633f8c2a8e6b2bf35d9a87fce SHA512 7355e5d641ac6f1d27decdf24dbf4af5640ae4f3177a678f8c040aa7288e660c87ed3de33efdcf4e881691b1c13cd9b2a0b6ff3067892aaed1649a4b73b610df
diff --git a/dev-lang/rust-common/rust-common-1.92.0.ebuild b/dev-lang/rust-common/rust-common-1.92.0.ebuild
new file mode 100644
index 0000000000000..26c4792d0fb57
--- /dev/null
+++ b/dev-lang/rust-common/rust-common-1.92.0.ebuild
@@ -0,0 +1,73 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/rust.asc
+inherit shell-completion verify-sig
+
+DESCRIPTION="Common files shared between multiple slots of Rust"
+HOMEPAGE="https://www.rust-lang.org/"
+
+if [[ ${PV} = *9999* ]]; then
+	inherit git-r3
+	# In case cargo is not in sync we'll fetch it as a submodule
+	# Nightly users will probably already have the repo cloned and up-to-date anyway.
+	EGIT_REPO_URI="https://github.com/rust-lang/rust.git"
+	EGIT_SUBMODULES=( "-*" "src/tools/cargo" )
+elif [[ ${PV} == *beta* ]]; then
+	# Identify the snapshot date of the beta release:
+	# curl -Ls static.rust-lang.org/dist/channel-rust-beta.toml | grep beta-src.tar.xz
+	MY_PV=beta
+	betaver=${PV//*beta}
+	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+	SRC_URI="https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz -> rustc-${PV}-src.tar.xz
+		verify-sig? ( https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz.asc
+			-> rustc-${PV}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/rustc-${MY_PV}-src"
+else
+	MY_PV=${PV}
+	SRC_URI="https://static.rust-lang.org/dist/rustc-${PV}-src.tar.xz
+		verify-sig? ( https://static.rust-lang.org/dist/rustc-${PV}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/rustc-${MY_PV}-src"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD BSD-1 BSD-2 BSD-4"
+SLOT="0"
+
+# Legacy non-slotted versions bash completions will collide.
+RDEPEND="
+	!dev-lang/rust:stable
+	!dev-lang/rust-bin:stable
+"
+BDEPEND="verify-sig? ( sec-keys/openpgp-keys-rust )"
+
+src_unpack() {
+	if [[ ${PV} == *9999* ]]; then
+		git-r3_src_unpack
+	else
+		if use verify-sig ; then
+			verify-sig_verify_detached "${DISTDIR}"/rustc-${PV}-src.tar.xz "${DISTDIR}"/rustc-${PV}-src.tar.xz.asc
+		fi
+
+		# Avoid unpacking the whole tarball which would need check-reqs
+		tar -xf "${DISTDIR}"/rustc-${PV}-src.tar.xz \
+			"rustc-${MY_PV}-src/src/tools/cargo/src/etc/"{_cargo,cargo.bashcomp.sh} || die
+	fi
+}
+
+src_configure() {
+	:
+}
+
+src_compile() {
+	:
+}
+
+src_install() {
+	newbashcomp src/tools/cargo/src/etc/cargo.bashcomp.sh cargo
+	dozshcomp src/tools/cargo/src/etc/_cargo
+}
diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index a4fda1e1b772c..2497ea69628e8 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -18,6 +18,7 @@ DIST rust-patches-1.88.0.tar.bz2 4062 BLAKE2B 64168ffa608f2edf2e0b3d079152c3b5dd
 DIST rust-patches-1.89.0.tar.bz2 4091 BLAKE2B 0fea3488a39d2b00627084f6b192dfbd7ed49bdceabbb1141d1a849ba053f786e31115e00365679b1b6fb5b0ccdf5dc0dc0803057cbffbcf0ae3d75ae9830d94 SHA512 de6c9b693bdd719d06605b5da730ee5d9cf9a1d88d58194a0ba48bd378a951c66723f561e39181222d28abb38e974a2921e14ea1f40156caf7b903778cf65790
 DIST rust-patches-1.90.0_p1.tar.bz2 6095 BLAKE2B d94899021a2ad0bd2de00c15a04b6a5437fa156f7a1b0b18d31e9487312004dfb2d9cb487eacd30592066ef168e088608bd4fc0c7e383c2fe5ec0a8bfd666b0b SHA512 351ea7dcdea3767b7affe40dc3d2684b7fc56cd0dcd06a6feb86ecb5d62d0451083fae20f878eb1a04c0f8cb31c6f7c96cb5bc84fc22844328fbcfcdf0ae03fb
 DIST rust-patches-1.91.0.tar.bz2 6041 BLAKE2B 7ebc846e0ae7b496b4ed89a8b0a5c397923e4dd6c83a1289e0b98f57477feea35978224b9c4ae19a129282a8c53bdd68f8ab615821f62e4bb5fda8e39b03eeb9 SHA512 fee179ec4e4c90aacfc7f8de2b4d41c80472e1fee17dbfc5ebf384d0fb8ec5afb3f8110a429abaf5a74a924fd1926ab69b29d1b2bafd3b5014b2ad360ca24cce
+DIST rust-patches-1.92.0.tar.bz2 5953 BLAKE2B 972fcdcbdbdd02a1891fb5ac599a1248b7b12fe124d4f9763091acf515c12a4c0859a876516b8a348ea106bb8a84d748032ceec5f4a8a7b657b3a81a45ccdfff SHA512 1e7625a721e92caf2e3af924db449aa737f8802dbab3c50c50c56e55f59fe88bc67de4578a6e7acfd468d5d183b1b0b296d8f16d1ff16b5da4d7d61c1e0bf3b3
 DIST rustc-1.74.1-src.tar.xz 155968724 BLAKE2B e05f2379ac94b286f85791a138e1928e5b5b5a7749f0981d82c40c2a12860f55bf96bb2f0e924e35a0f8b2447b13052d38adea909aaa3199105787bb5a4861b3 SHA512 14c7e7ed2f38ab60299d8c7d41d78f042b6b57ef822d577b5138e60bdde31cf141eccd4332a25bc5da3d58eb5313d63c1448b5dfe9e11b8055bb8ea133a9038d
 DIST rustc-1.74.1-src.tar.xz.asc 801 BLAKE2B ddf73175b164233babf31ca3a381b03e20c0f36d017c1d5f85d6ab11f0986d861ab23b11c061e6b2444ced70c3d6a494cc3de4ec86f0deb221a805491bd75420 SHA512 9a96ff9ba9a4e2af4e267b2ec126fc0675c78d0eb767703daa2f28491c3d85c2ab00fbd8584390bf658812ec6c4ab6c57e43b386db59fd505bd3134a8873a09e
 DIST rustc-1.75.0-src.tar.xz 159624388 BLAKE2B 8937b80585eddaa3e1f1ef948899d14a170308518c6fef9fe569560cdd870053776956743f796055f2119399b9ca6c0df12fedd789ae46324d071e5126c4e495 SHA512 7b0f25d91b1b5c317980fc88e059200bd43b56a70b445fbc72fb9b96e09775bfd3a98e9bd9d662af80f0ce3aef527c777ee82777e96ca876f47a972d63da8606
@@ -58,3 +59,5 @@ DIST rustc-1.90.0-src.tar.xz 272348992 BLAKE2B 82dbbe3b5fe79f623c74fb81a4c4372b1
 DIST rustc-1.90.0-src.tar.xz.asc 801 BLAKE2B 1e84c6134c4fedbbd52610c259c1bdacb45bc97e8cce7a6b5a8c92827a072c88fcf8984893a5e6aa28c2d5d82bd849bb9d38390c783cfaa503a18c99bcaabcde SHA512 fc8f6dfbb4b50777ae8e499883f95b64861db0ca37119b34b3670b4adf51dd248b0b33daafee90e0f22f66b1d8bd8ae6a6107106e95e73f5c2c5a8dc29532e2e
 DIST rustc-1.91.0-src.tar.xz 270987196 BLAKE2B 18ea8075c288d1c2cc8c247120ae5fa157d0144f6dc8f0e30ce48eb068b2440604733b5230fcea6fcb9aa4630de03aa4af632227c5f3e62733254ee45e2a478d SHA512 1e4c7a2435dc5bccfc63f34f5d210f7cafb0113787a4b5069d61f03528a32cd0a29ac516673cbc0eb564089f1dc5e13b962e6c3714bd0109de664c22ed340fb3
 DIST rustc-1.91.0-src.tar.xz.asc 801 BLAKE2B 11b157fafcfa9887b591ffff8b87641f62e81e44d32d5c4ae99a410179905ae64fe760d6c3a6614bd479f51457542a57b171aaa53baad73d5030e496e62f1e67 SHA512 17c99b273d7e84c54b40817448cb7f543b61a5b262d2bfb1c2d1ff108ccf010295c42ae1ae74593fdab1d6caa3cd3f6713e9966a9a5057c01cd85ae3f24a6f89
+DIST rustc-1.92.0-src.tar.xz 271887480 BLAKE2B 765e0f216dde8d375e19ca5b1cd3e051b182cc058e16a1307e82e60bac06de6919d18b6506cb14b3ff5e29c2730ef7d1c6e0d86c3bbf6b8148bbf683048eb99b SHA512 a2c0b127933595b9bc2063d7b7c88d9af512c4664b18f29d44c9a6e2c68d194b87a3071717e8f1b7c858ae940baca888e10be95cd31e0201916d0bfc312a3b15
+DIST rustc-1.92.0-src.tar.xz.asc 801 BLAKE2B 0d223a763b4a3bf0583c4c2c19b2a30dfbe48b6b06c17a764c894ec29d1d0543201a78a263df3c1314c4ad9e050009e1cacb580633f8c2a8e6b2bf35d9a87fce SHA512 7355e5d641ac6f1d27decdf24dbf4af5640ae4f3177a678f8c040aa7288e660c87ed3de33efdcf4e881691b1c13cd9b2a0b6ff3067892aaed1649a4b73b610df
diff --git a/dev-lang/rust/rust-1.92.0.ebuild b/dev-lang/rust/rust-1.92.0.ebuild
new file mode 100644
index 0000000000000..4f3736670cae9
--- /dev/null
+++ b/dev-lang/rust/rust-1.92.0.ebuild
@@ -0,0 +1,853 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Bump notes: https://wiki.gentoo.org/wiki/Project:Rust/Rust_bump
+
+LLVM_COMPAT=( 21 )
+PYTHON_COMPAT=( python3_{11..14} )
+
+RUST_PATCH_VER=${PV#*_p}
+RUST_MAX_VER=${PV%%_*}
+
+if [[ ${PV} == *9999* ]]; then
+	RUST_MIN_VER="1.88.0" # Update this as new `beta` releases come out.
+elif [[ ${PV} == *beta* ]]; then
+	RUST_MAX_VER="$(ver_cut 1).$(ver_cut 2).0"
+	RUST_MIN_VER="$(ver_cut 1).$(($(ver_cut 2) - 1)).0"
+else
+	RUST_MIN_VER="$(ver_cut 1).$(($(ver_cut 2) - 1)).0"
+fi
+
+inherit check-reqs estack flag-o-matic llvm-r1 multiprocessing optfeature \
+	multilib multilib-build python-any-r1 rust rust-toolchain toolchain-funcs verify-sig
+
+if [[ ${PV} = *9999* ]]; then
+	inherit git-r3
+elif [[ ${PV} == *beta* ]]; then
+	# Identify the snapshot date of the beta release:
+	# curl -Ls static.rust-lang.org/dist/channel-rust-beta.toml | grep beta-src.tar.xz
+	betaver=${PV//*beta}
+	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+	MY_P="rustc-beta"
+	SRC_URI="https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz -> rustc-${PV}-src.tar.xz
+		https://gitweb.gentoo.org/proj/rust-patches.git/snapshot/rust-patches-${RUST_PATCH_VER}.tar.bz2
+		verify-sig? ( https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz.asc
+			-> rustc-${PV}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/${MY_P}-src"
+else
+	MY_P="rustc-${PV}"
+	SRC_URI="https://static.rust-lang.org/dist/${MY_P}-src.tar.xz
+		https://gitweb.gentoo.org/proj/rust-patches.git/snapshot/rust-patches-${RUST_PATCH_VER}.tar.bz2
+		verify-sig? ( https://static.rust-lang.org/dist/${MY_P}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/${MY_P}-src"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+DESCRIPTION="Systems programming language originally developed by Mozilla"
+HOMEPAGE="https://www.rust-lang.org/"
+
+# keep in sync with llvm ebuild of the same version as bundled one.
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARC ARM AVR BPF CSKY DirectX Hexagon Lanai
+	LoongArch M68k Mips MSP430 NVPTX PowerPC RISCV Sparc SPIRV SystemZ VE
+	WebAssembly X86 XCore Xtensa )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/(-)?}
+
+# https://github.com/rust-lang/llvm-project/blob/rustc-1.87.0/llvm/CMakeLists.txt
+_ALL_RUST_EXPERIMENTAL_TARGETS=( ARC CSKY DirectX M68k Xtensa )
+declare -A ALL_RUST_EXPERIMENTAL_TARGETS
+for _x in "${_ALL_RUST_EXPERIMENTAL_TARGETS[@]}"; do
+	ALL_RUST_EXPERIMENTAL_TARGETS["llvm_targets_${_x}"]=0
+done
+
+# Bare metal targets which can be built on the host system and have no
+# dependency on compiler runtime, libc and unwinder.
+ALL_RUST_SYSROOTS=( bpf wasm )
+ALL_RUST_SYSROOTS=( "${ALL_RUST_SYSROOTS[@]/#/rust_sysroots_}" )
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD BSD-1 BSD-2 BSD-4"
+SLOT="${PV%%_*}" # Beta releases get to share the same SLOT as the eventual stable
+
+IUSE="big-endian clippy cpu_flags_x86_sse2 debug dist doc llvm-libunwind lto rustfmt rust-analyzer rust-src +system-llvm test ${ALL_LLVM_TARGETS[*]} ${ALL_RUST_SYSROOTS[*]}"
+
+if [[ ${PV} = *9999* ]]; then
+	# These USE flags require nightly rust
+	IUSE+=" miri"
+fi
+
+LLVM_DEPEND=()
+# splitting usedeps needed to avoid CI/pkgcheck's UncheckableDep limitation
+for _x in "${ALL_LLVM_TARGETS[@]}"; do
+	LLVM_DEPEND+=( "	${_x}? ( $(llvm_gen_dep "llvm-core/llvm:\${LLVM_SLOT}[${_x}=]") )" )
+	if [[ -v ALL_RUST_EXPERIMENTAL_TARGETS["${_x}"] ]] ; then
+		ALL_RUST_EXPERIMENTAL_TARGETS["${_x}"]=1
+	fi
+done
+LLVM_DEPEND+=( "	rust_sysroots_wasm? ( $(llvm_gen_dep 'llvm-core/lld:${LLVM_SLOT}') )" )
+LLVM_DEPEND+=( "	$(llvm_gen_dep 'llvm-core/llvm:${LLVM_SLOT}')" )
+
+# dev-libs/oniguruma is used for documentation
+BDEPEND="${PYTHON_DEPS}
+	app-eselect/eselect-rust
+	dev-libs/oniguruma
+	|| (
+		>=sys-devel/gcc-4.7[cxx]
+		>=llvm-core/clang-3.5
+	)
+	lto? ( system-llvm? (
+		|| (
+			$(llvm_gen_dep 'llvm-core/lld:${LLVM_SLOT}')
+			sys-devel/mold
+		)
+	) )
+	!system-llvm? (
+		>=dev-build/cmake-3.13.4
+		app-alternatives/ninja
+	)
+	test? ( dev-debug/gdb )
+	verify-sig? ( sec-keys/openpgp-keys-rust )
+"
+
+DEPEND="
+	>=app-arch/xz-utils-5.2
+	net-misc/curl:=[http2,ssl]
+	virtual/zlib:=
+	dev-libs/openssl:0=
+	system-llvm? (
+		${LLVM_DEPEND[*]}
+		llvm-libunwind? ( llvm-runtimes/libunwind:= )
+	)
+	!system-llvm? (
+		!llvm-libunwind? (
+			elibc_musl? ( sys-libs/libunwind:= )
+		)
+	)
+"
+
+RDEPEND="${DEPEND}
+	app-eselect/eselect-rust
+	dev-lang/rust-common
+	sys-apps/lsb-release
+	!dev-lang/rust:stable
+	!dev-lang/rust-bin:stable
+"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+	rust-analyzer? ( rust-src )
+	test? ( ${ALL_LLVM_TARGETS[*]} )
+	rust_sysroots_bpf? ( llvm_targets_BPF )
+	rust_sysroots_wasm? ( llvm_targets_WebAssembly )
+	x86? ( cpu_flags_x86_sse2 )
+"
+
+# we don't use cmake.eclass, but can get a warning
+CMAKE_WARN_UNUSED_CLI=no
+
+QA_FLAGS_IGNORED="
+	usr/lib/${PN}/${SLOT}/bin/.*
+	usr/lib/${PN}/${SLOT}/libexec/.*
+	usr/lib/${PN}/${SLOT}/lib/lib.*.so
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/bin/.*
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_SONAME="
+	usr/lib/${PN}/${SLOT}/lib/lib.*.so.*
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_PRESTRIPPED="
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/bin/rust-llvm-dwp
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/lib/self-contained/crtn.o
+"
+
+# An rmeta file is custom binary format that contains the metadata for the crate.
+# rmeta files do not support linking, since they do not contain compiled object files.
+# so we can safely silence the warning for this QA check.
+QA_EXECSTACK="usr/lib/${PN}/${SLOT}/lib/rustlib/*/lib*.rlib:lib.rmeta"
+
+# causes double bootstrap
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/rust.asc
+
+clear_vendor_checksums() {
+	sed -i 's/\("files":{\)[^}]*/\1/' "vendor/${1}/.cargo-checksum.json" || die
+}
+
+toml_usex() {
+	usex "${1}" true false
+}
+
+pre_build_checks() {
+	local M=9216
+	# multiply requirements by 1.3 if we are doing x86-multilib
+	if use amd64; then
+		M=$(( $(usex abi_x86_32 13 10) * ${M} / 10 ))
+	fi
+	M=$(( $(usex clippy 128 0) + ${M} ))
+	if [[ ${PV} == *9999* ]]; then
+		M=$(( $(usex miri 128 0) + ${M} ))
+	fi
+	M=$(( $(usex rustfmt 256 0) + ${M} ))
+	# add 2G if we compile llvm and 256M per llvm_target
+	if ! use system-llvm; then
+		M=$(( 2048 + ${M} ))
+		local ltarget
+		for ltarget in ${ALL_LLVM_TARGETS[@]}; do
+			M=$(( $(usex ${ltarget} 256 0) + ${M} ))
+		done
+	fi
+	M=$(( $(usex rust_sysroots_bpf 256 0) + ${M} ))
+	M=$(( $(usex rust_sysroots_wasm 256 0) + ${M} ))
+	M=$(( $(usex debug 2 1) * ${M} ))
+	eshopts_push -s extglob
+	if is-flagq '-g?(gdb)?([1-9])'; then
+		M=$(( 15 * ${M} / 10 ))
+	fi
+	eshopts_pop
+	M=$(( $(usex doc 256 0) + ${M} ))
+	CHECKREQS_DISK_BUILD=${M}M check-reqs_pkg_${EBUILD_PHASE}
+}
+
+llvm_check_deps() {
+	has_version -r "llvm-core/llvm:${LLVM_SLOT}[${LLVM_TARGET_USEDEPS// /,}]"
+}
+
+# Is LLVM being linked against libc++?
+is_libcxx_linked() {
+	local code='#include <ciso646>
+#if defined(_LIBCPP_VERSION)
+	HAVE_LIBCXX
+#endif
+'
+	local out=$($(tc-getCXX) ${CXXFLAGS} ${CPPFLAGS} -x c++ -E -P - <<<"${code}") || return 1
+	[[ ${out} == *HAVE_LIBCXX* ]]
+}
+
+pkg_pretend() {
+	pre_build_checks
+}
+
+pkg_setup() {
+	pre_build_checks
+	python-any-r1_pkg_setup
+
+	export LIBGIT2_NO_PKG_CONFIG=1 #749381
+	if tc-is-cross-compiler; then
+		use system-llvm && die "USE=system-llvm not allowed when cross-compiling"
+		local cross_llvm_target="$(llvm_tuple_to_target "${CBUILD}")"
+		use "llvm_targets_${cross_llvm_target}" || \
+			die "Must enable LLVM_TARGETS=${cross_llvm_target} matching CBUILD=${CBUILD} when cross-compiling"
+	fi
+
+	rust_pkg_setup
+
+	if use system-llvm; then
+		llvm-r1_pkg_setup
+
+		local llvm_config="$(get_llvm_prefix)/bin/llvm-config"
+		export LLVM_LINK_SHARED=1
+		export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}" --libdir)"
+	fi
+}
+
+rust_live_get_sources() {
+	EGIT_REPO_URI="
+		https://anongit.gentoo.org/git/proj/rust-patches.git
+	"
+	EGIT_CHECKOUT_DIR="${WORKDIR}/rust-patches-${RUST_PATCH_VER}"
+	git-r3_src_unpack
+
+	EGIT_REPO_URI="
+		https://github.com/rust-lang/rust.git
+	"
+	EGIT_SUBMODULES=(
+		"*"
+		"-src/gcc"
+	)
+	S="${WORKDIR}/rust"
+	EGIT_CHECKOUT_DIR="${S}"
+	git-r3_src_unpack
+}
+
+src_unpack() {
+	if [[ ${PV} == *9999* ]] ; then
+		rust_live_get_sources
+
+		# Vendor dependencies
+		mkdir "${S}/.cargo" || die # The vendor script has a check for .cargo/config{,.toml}
+		touch "${S}/.cargo/bootstrap.toml" || die
+		local rust_stage0_root="$(${RUSTC} --print sysroot || die "Can't determine rust's sysroot")"
+		# Configure vendor to use the portage-provided toolchain. This prevents it from
+		# attempting to fetch a `beta` toolchain from the internet.
+		cat <<- _EOF_ > "${T}/vendor-bootstrap.toml"
+			# Suppresses a warning about tracking changes which we don't care about.
+			change-id = "ignore"
+			[build]
+			build = "$(rust_abi "${CBUILD}")"
+			host = ["$(rust_abi "${CHOST}")"]
+			target = ["$(rust_abi "${CHOST}")"]
+			cargo = "${rust_stage0_root}/bin/cargo"
+			rustc = "${rust_stage0_root}/bin/rustc"
+			rustfmt = "${rust_stage0_root}/bin/rustfmt"
+		_EOF_
+		# We're using git sources so we need to run the Vendor script
+		# to ensure that all dependencies are present and up-to-date
+		mkdir "${S}/vendor" || die
+		# This also compiles the 'build helper', there's no way to avoid this.
+		${EPYTHON} "${S}"/x.py vendor -v --config="${T}"/vendor-bootstrap.toml -j$(makeopts_jobs) ||
+			die "Failed to vendor dependencies"
+		# TODO: This has to be generated somehow, this is from a 1.84.x tarball I had lying around.
+		cat <<- _EOF_ > "${S}/.cargo/config.toml"
+			[source.crates-io]
+			replace-with = "vendored-sources"
+
+			[source."git+https://github.com/rust-lang/team"]
+			git = "https://github.com/rust-lang/team"
+			replace-with = "vendored-sources"
+
+			[source.vendored-sources]
+			directory = "vendor"
+		_EOF_
+	elif use verify-sig ; then
+		# Patch tarballs are not signed (but we trust Gentoo infra)
+		verify-sig_verify_detached "${DISTDIR}"/rustc-${PV}-src.tar.xz{,.asc}
+		default
+	else
+		default
+	fi
+}
+
+src_prepare() {
+	if [[ ${PV} = *9999* ]]; then
+		# We need to update / generate lockfiles for the workspace
+		${CARGO} generate-lockfile --offline || die "Failed to generate lockfiles"
+	fi
+
+	# Commit patches to the appropriate branch in proj/rust-patches.git
+	# then cut a new tag / tarball. Don't add patches to ${FILESDIR}
+	PATCHES=(
+		"${WORKDIR}/rust-patches-${RUST_PATCH_VER}/"
+	)
+
+	if use lto && tc-is-clang && ! tc-ld-is-lld && ! tc-ld-is-mold; then
+		export RUSTFLAGS+=" -C link-arg=-fuse-ld=lld"
+	fi
+
+	default
+}
+
+src_configure() {
+	if tc-is-cross-compiler; then
+		export PKG_CONFIG_ALLOW_CROSS=1
+		export PKG_CONFIG_PATH="${ESYSROOT}/usr/$(get_libdir)/pkgconfig"
+		export OPENSSL_INCLUDE_DIR="${ESYSROOT}/usr/include"
+		export OPENSSL_LIB_DIR="${ESYSROOT}/usr/$(get_libdir)"
+	fi
+
+	# Avoid bundled copies of libraries
+	export RUSTONIG_SYSTEM_LIBONIG=1
+	# Need to check if these can be optional
+	#export LIBSQLITE3_SYS_USE_PKG_CONFIG=1
+	#export LIBSSH2_SYS_USE_PKG_CONFIG=1
+
+	filter-lto # https://bugs.gentoo.org/862109 https://bugs.gentoo.org/866231
+
+	local rust_target="" rust_targets="" arch_cflags
+
+	# Collect rust target names to compile standard libs for all ABIs.
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_targets+=",\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
+	done
+	if use rust_sysroots_bpf; then
+		rust_targets+=",\"bpfeb-unknown-none\",\"bpfel-unknown-none\""
+	fi
+	if use rust_sysroots_wasm; then
+		rust_targets+=",\"wasm32-unknown-unknown\""
+		if use system-llvm; then
+			# un-hardcode rust-lld linker for this target
+			# https://bugs.gentoo.org/715348
+			sed -i '/linker:/ s/rust-lld/wasm-ld/' compiler/rustc_target/src/spec/base/wasm.rs || die
+		fi
+	fi
+	rust_targets="${rust_targets#,}"
+
+	# cargo and rustdoc are mandatory and should always be included
+	local tools='"cargo","rustdoc"'
+	use clippy && tools+=',"clippy"'
+	use rustfmt && tools+=',"rustfmt"'
+	use rust-analyzer && tools+=',"rust-analyzer","rust-analyzer-proc-macro-srv"'
+	use rust-src && tools+=',"src"'
+
+	if [[ ${PV} == *9999* ]]; then
+		use miri && tools+=',"miri"'
+	fi
+
+	local rust_stage0_root="$(${RUSTC} --print sysroot || die "Can't determine rust's sysroot")"
+	# in case of prefix it will be already prefixed, as --print sysroot returns full path
+	[[ -d ${rust_stage0_root} ]] || die "${rust_stage0_root} is not a directory"
+
+	rust_target="$(rust_abi)"
+	rust_build="$(rust_abi "${CBUILD}")"
+	rust_host="$(rust_abi "${CHOST}")"
+
+	RUST_EXPERIMENTAL_TARGETS=()
+	for _x in "${!ALL_RUST_EXPERIMENTAL_TARGETS[@]}"; do
+		if [[ ${ALL_RUST_EXPERIMENTAL_TARGETS[${_x}]} == 1 ]] && use ${_x} ; then
+			RUST_EXPERIMENTAL_TARGETS+=( ${_x#llvm_targets_} )
+		fi
+	done
+	RUST_EXPERIMENTAL_TARGETS=${RUST_EXPERIMENTAL_TARGETS[@]}
+
+	local cm_btype="$(usex debug DEBUG RELEASE)"
+	local build_channel
+	local build_miri="false"
+	case "${PV}" in
+		*9999*)
+			build_channel="nightly"
+			;;
+		*beta*)
+			build_channel="beta"
+			;;
+		*)
+			build_channel="stable"
+			;;
+	esac
+
+	# TODO: Add optimized-compiler-builtins for system-llvm to avoid
+	# building bundled compiler-rt.
+	cat <<- _EOF_ > "${S}"/bootstrap.toml
+		# Suppresses a warning about tracking changes which we don't care about.
+		change-id = "ignore"
+		# https://github.com/rust-lang/rust/issues/135358 (bug #947897)
+		profile = "dist"
+		[llvm]
+		download-ci-llvm = false
+		optimize = $(toml_usex !debug)
+		release-debuginfo = $(toml_usex debug)
+		assertions = $(toml_usex debug)
+		ninja = true
+		targets = "${LLVM_TARGETS// /;}"
+		experimental-targets = "${RUST_EXPERIMENTAL_TARGETS// /;}"
+		link-shared = $(toml_usex system-llvm)
+		$(if is_libcxx_linked; then
+			# https://bugs.gentoo.org/732632
+			echo "use-libcxx = true"
+			echo "static-libstdcpp = false"
+		fi)
+		$(case "${rust_target}" in
+			i586-*-linux-*)
+				# https://github.com/rust-lang/rust/issues/93059
+				echo 'cflags = "-fcf-protection=none"'
+				echo 'cxxflags = "-fcf-protection=none"'
+				echo 'ldflags = "-fcf-protection=none"'
+				;;
+			*)
+				;;
+		esac)
+		enable-warnings = false
+		[llvm.build-config]
+		CMAKE_VERBOSE_MAKEFILE = "ON"
+		$(if ! tc-is-cross-compiler; then
+			# When cross-compiling, LLVM is compiled twice, once for host and
+			# once for target.  Unfortunately, this build configuration applies
+			# to both, which means any flags applicable to one target but not
+			# the other will break.  Conditionally disable respecting user
+			# flags when cross-compiling.
+			echo "CMAKE_C_FLAGS_${cm_btype} = \"${CFLAGS}\""
+			echo "CMAKE_CXX_FLAGS_${cm_btype} = \"${CXXFLAGS}\""
+			echo "CMAKE_EXE_LINKER_FLAGS_${cm_btype} = \"${LDFLAGS}\""
+			echo "CMAKE_MODULE_LINKER_FLAGS_${cm_btype} = \"${LDFLAGS}\""
+			echo "CMAKE_SHARED_LINKER_FLAGS_${cm_btype} = \"${LDFLAGS}\""
+			echo "CMAKE_STATIC_LINKER_FLAGS_${cm_btype} = \"${ARFLAGS}\""
+		fi)
+		[build]
+		build-stage = 2
+		test-stage = 2
+		build = "${rust_build}"
+		host = ["${rust_host}"]
+		target = [${rust_targets}]
+		cargo = "${rust_stage0_root}/bin/cargo"
+		rustc = "${rust_stage0_root}/bin/rustc"
+		rustfmt = "${rust_stage0_root}/bin/rustfmt"
+		description = "gentoo"
+		docs = $(toml_usex doc)
+		compiler-docs = false
+		submodules = false
+		python = "${EPYTHON}"
+		locked-deps = true
+		vendor = true
+		extended = true
+		tools = [${tools}]
+		verbose = 2
+		sanitizers = false
+		profiler = true
+		cargo-native-static = false
+		[install]
+		prefix = "${EPREFIX}/usr/lib/${PN}/${SLOT}"
+		sysconfdir = "etc"
+		docdir = "share/doc/rust"
+		bindir = "bin"
+		libdir = "lib"
+		mandir = "share/man"
+		[rust]
+		# https://github.com/rust-lang/rust/issues/54872
+		codegen-units-std = 1
+		optimize = true
+		debug = $(toml_usex debug)
+		debug-assertions = $(toml_usex debug)
+		debug-assertions-std = $(toml_usex debug)
+		debuginfo-level = $(usex debug 2 0)
+		debuginfo-level-rustc = $(usex debug 2 0)
+		debuginfo-level-std = $(usex debug 2 0)
+		debuginfo-level-tools = $(usex debug 2 0)
+		debuginfo-level-tests = 0
+		backtrace = true
+		incremental = false
+		$(if ! tc-is-cross-compiler; then
+			echo "default-linker = \"${CHOST}-cc\""
+		fi)
+		channel = "${build_channel}"
+		rpath = true
+		verbose-tests = true
+		optimize-tests = $(toml_usex !debug)
+		codegen-tests = true
+		omit-git-hash = false
+		dist-src = false
+		remap-debuginfo = true
+		lld = $(usex system-llvm false $(toml_usex rust_sysroots_wasm))
+		$(if use lto && tc-is-clang && ! tc-ld-is-mold; then
+			echo "use-lld = true"
+		fi)
+		# only deny warnings if doc+wasm are NOT requested, documenting stage0 wasm std fails without it
+		# https://github.com/rust-lang/rust/issues/74976
+		# https://github.com/rust-lang/rust/issues/76526
+		deny-warnings = $(usex rust_sysroots_wasm $(usex doc false true) true)
+		backtrace-on-ice = true
+		jemalloc = false
+		# See https://github.com/rust-lang/rust/issues/121124
+		lto = "$(usex lto thin off)"
+		[dist]
+		src-tarball = false
+		compression-formats = ["xz"]
+		compression-profile = "balanced"
+	_EOF_
+
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
+		arch_cflags="$(get_abi_CFLAGS ${v##*.})"
+
+		export CFLAGS_${rust_target//-/_}="${arch_cflags}"
+
+		cat <<- _EOF_ >> "${S}"/bootstrap.toml
+			[target.${rust_target}]
+			ar = "$(tc-getAR)"
+			cc = "$(tc-getCC)"
+			cxx = "$(tc-getCXX)"
+			linker = "$(tc-getCC)"
+			ranlib = "$(tc-getRANLIB)"
+			llvm-libunwind = "$(usex llvm-libunwind $(usex system-llvm system in-tree) no)"
+		_EOF_
+		if use system-llvm; then
+			cat <<- _EOF_ >> "${S}"/bootstrap.toml
+				llvm-config = "$(get_llvm_prefix)/bin/llvm-config"
+			_EOF_
+		fi
+		# by default librustc_target/spec/linux_musl_base.rs sets base.crt_static_default = true;
+		# but we patch it and set to false here as well
+		if use elibc_musl; then
+			cat <<- _EOF_ >> "${S}"/bootstrap.toml
+				crt-static = false
+				musl-root = "$($(tc-getCC) -print-sysroot)/usr"
+			_EOF_
+		fi
+	done
+	if use rust_sysroots_wasm; then
+		wasm_target="wasm32-unknown-unknown"
+		export CFLAGS_${wasm_target//-/_}="$(filter-flags '-mcpu*' '-march*' '-mtune*'; echo "$CFLAGS")"
+		cat <<- _EOF_ >> "${S}"/bootstrap.toml
+			[target.wasm32-unknown-unknown]
+			linker = "$(usex system-llvm lld rust-lld)"
+			# wasm target does not have profiler_builtins https://bugs.gentoo.org/848483
+			profiler = false
+		_EOF_
+	fi
+
+	if [[ -n ${I_KNOW_WHAT_I_AM_DOING_CROSS} ]]; then # whitespace intentionally shifted below
+	# experimental cross support
+	# discussion: https://bugs.gentoo.org/679878
+	# TODO: c*flags, clang, system-llvm, cargo.eclass target support
+	# it would be much better if we could split out stdlib
+	# complilation to separate ebuild and abuse CATEGORY to
+	# just install to /usr/lib/rustlib/<target>
+
+	# extra targets defined as a bash array
+	# spec format:  <LLVM target>:<rust-target>:<CTARGET>
+	# best place would be /etc/portage/env/dev-lang/rust
+	# Example:
+	# RUST_CROSS_TARGETS=(
+	#	"AArch64:aarch64-unknown-linux-gnu:aarch64-unknown-linux-gnu"
+	# )
+	# no extra hand holding is done, no target transformations, all
+	# values are passed as-is with just basic checks, so it's up to user to supply correct values
+	# valid rust targets can be obtained with
+	# 	rustc --print target-list
+	# matching cross toolchain has to be installed
+	# matching LLVM_TARGET has to be enabled for both rust and llvm (if using system one)
+	# only gcc toolchains installed with crossdev are checked for now.
+
+	# BUG: we can't pass host flags to cross compiler, so just filter for now
+	# BUG: this should be more fine-grained.
+	filter-flags '-mcpu=*' '-march=*' '-mtune=*'
+
+	local cross_target_spec
+	for cross_target_spec in "${RUST_CROSS_TARGETS[@]}";do
+		# extracts first element form <LLVM target>:<rust-target>:<CTARGET>
+		local cross_llvm_target="${cross_target_spec%%:*}"
+		# extracts toolchain triples, <rust-target>:<CTARGET>
+		local cross_triples="${cross_target_spec#*:}"
+		# extracts first element after before : separator
+		local cross_rust_target="${cross_triples%%:*}"
+		# extracts last element after : separator
+		local cross_toolchain="${cross_triples##*:}"
+		use llvm_targets_${cross_llvm_target} || die "need llvm_targets_${cross_llvm_target} target enabled"
+		command -v ${cross_toolchain}-gcc > /dev/null 2>&1 || die "need ${cross_toolchain} cross toolchain"
+
+		cat <<- _EOF_ >> "${S}"/bootstrap.toml
+			[target.${cross_rust_target}]
+			ar = "${cross_toolchain}-ar"
+			cc = "${cross_toolchain}-gcc"
+			cxx = "${cross_toolchain}-g++"
+			linker = "${cross_toolchain}-gcc"
+			ranlib = "${cross_toolchain}-ranlib"
+		_EOF_
+		if use system-llvm; then
+			cat <<- _EOF_ >> "${S}"/bootstrap.toml
+				llvm-config = "$(get_llvm_prefix)/bin/llvm-config"
+			_EOF_
+		fi
+		if [[ "${cross_toolchain}" == *-musl* ]]; then
+			cat <<- _EOF_ >> "${S}"/bootstrap.toml
+				musl-root = "$(${cross_toolchain}-gcc -print-sysroot)/usr"
+			_EOF_
+		fi
+
+		# append cross target to "normal" target list
+		# example 'target = ["powerpc64le-unknown-linux-gnu"]'
+		# becomes 'target = ["powerpc64le-unknown-linux-gnu","aarch64-unknown-linux-gnu"]'
+
+		rust_targets="${rust_targets},\"${cross_rust_target}\""
+		sed -i "/^target = \[/ s#\[.*\]#\[${rust_targets}\]#" bootstrap.toml || die
+
+		ewarn
+		ewarn "Enabled ${cross_rust_target} rust target"
+		ewarn "Using ${cross_toolchain} cross toolchain"
+		ewarn
+		if ! has_version -b 'sys-devel/binutils[multitarget]' ; then
+			ewarn "'sys-devel/binutils[multitarget]' is not installed"
+			ewarn "'strip' will be unable to strip cross libraries"
+			ewarn "cross targets will be installed with full debug information"
+			ewarn "enable 'multitarget' USE flag for binutils to be able to strip object files"
+			ewarn
+			ewarn "Alternatively llvm-strip can be used, it supports stripping any target"
+			ewarn "define STRIP=\"llvm-strip\" to use it (experimental)"
+			ewarn
+		fi
+	done
+	fi # I_KNOW_WHAT_I_AM_DOING_CROSS
+
+	einfo "Rust configured with the following flags:"
+	echo
+	echo RUSTFLAGS="\"${RUSTFLAGS}\""
+	echo RUSTFLAGS_BOOTSTRAP="\"${RUSTFLAGS_BOOTSTRAP}\""
+	echo RUSTFLAGS_NOT_BOOTSTRAP="\"${RUSTFLAGS_NOT_BOOTSTRAP}\""
+	echo MAGIC_EXTRA_RUSTFLAGS="\"${MAGIC_EXTRA_RUSTFLAGS}\""
+	env | grep "CARGO_TARGET_.*_RUSTFLAGS="
+	env | grep "CFLAGS_.*"
+	echo
+	einfo "bootstrap.toml contents:"
+	cat "${S}"/bootstrap.toml || die
+	echo
+}
+
+src_compile() {
+	# -v will show invocations, -vv "very verbose" is overkill, -vvv "very very verbose" is insane
+	RUST_BACKTRACE=1 "${EPYTHON}" ./x.py build -v --config="${S}"/bootstrap.toml -j$(makeopts_jobs) || die
+}
+
+src_test() {
+	# https://rustc-dev-guide.rust-lang.org/tests/intro.html
+
+	# those are basic and codegen tests.
+	local tests=(
+		codegen
+		codegen-units
+		compile-fail
+		incremental
+		mir-opt
+		pretty
+		run-make
+	)
+
+	# fails if llvm is not built with ALL targets.
+	# and known to fail with system llvm sometimes.
+	use system-llvm || tests+=( assembly )
+
+	# fragile/expensive/less important tests
+	# or tests that require extra builds
+	# TODO: instead of skipping, just make some nonfatal.
+	if [[ ${ERUST_RUN_EXTRA_TESTS:-no} != no ]]; then
+		tests+=(
+			rustdoc
+			rustdoc-js
+			rustdoc-js-std
+			rustdoc-ui
+			run-make-fulldeps
+			ui
+			ui-fulldeps
+		)
+	fi
+
+	local i failed=()
+	einfo "rust_src_test: enabled tests ${tests[@]/#/src/test/}"
+	for i in "${tests[@]}"; do
+		local t="src/test/${i}"
+		einfo "rust_src_test: running ${t}"
+		if ! RUST_BACKTRACE=1 "${EPYTHON}" ./x.py test -vv --config="${S}"/bootstrap.toml \
+				-j$(makeopts_jobs) --no-doc --no-fail-fast "${t}"
+		then
+				failed+=( "${t}" )
+				eerror "rust_src_test: ${t} failed"
+		fi
+	done
+
+	if [[ ${#failed[@]} -ne 0 ]]; then
+		eerror "rust_src_test: failure summary: ${failed[@]}"
+		die "aborting due to test failures"
+	fi
+}
+
+src_install() {
+	DESTDIR="${D}" "${EPYTHON}" ./x.py install -v --config="${S}"/bootstrap.toml -j$(makeopts_jobs) || die
+
+	docompress /usr/lib/${PN}/${SLOT}/share/man/
+
+	# bash-completion files are installed by dev-lang/rust-common instead
+	# bug #689562, #689160.
+	rm -v "${ED}/usr/lib/${PN}/${SLOT}/etc/bash_completion.d/cargo" || die
+	rmdir -v "${ED}/usr/lib/${PN}/${SLOT}/etc/bash_completion.d" || die
+
+	local symlinks=(
+		cargo
+		rustc
+		rustdoc
+		rust-gdb
+		rust-gdbgui
+		rust-lldb
+	)
+
+	use clippy && symlinks+=( clippy-driver cargo-clippy )
+	if [[ ${PV} = *9999* ]]; then
+		use miri && symlinks+=( miri cargo-miri )
+	fi
+	use rustfmt && symlinks+=( rustfmt cargo-fmt )
+	use rust-analyzer && symlinks+=( rust-analyzer )
+
+	einfo "installing eselect-rust symlinks and paths: ${symlinks[@]}"
+	local i
+	for i in "${symlinks[@]}"; do
+		# we need realpath on /usr/bin/* symlink return version-appended binary path.
+		# so /usr/bin/rustc should point to /usr/lib/rust/<ver>/bin/rustc-<ver>
+		# need to fix eselect-rust to remove this hack.
+		local ver_i="${i}-${PV%%_*}"
+		if [[ -f "${ED}/usr/lib/${PN}/${SLOT}/bin/${i}" ]]; then
+			einfo "Installing ${i} symlink"
+			ln -v "${ED}/usr/lib/${PN}/${SLOT}/bin/${i}" "${ED}/usr/lib/${PN}/${SLOT}/bin/${ver_i}" || die
+		else
+			ewarn "${i} symlink requested, but source file not found"
+			ewarn "please report this"
+		fi
+		dosym "../lib/${PN}/${SLOT}/bin/${ver_i}" "/usr/bin/${ver_i}"
+	done
+
+	# symlinks to switch components to active rust in eselect
+	dosym "${SLOT}/lib" "/usr/lib/${PN}/lib-${SLOT}"
+	use rust-analyzer && dosym "${SLOT}/libexec" "/usr/lib/${PN}/libexec-${SLOT}"
+	dosym "${SLOT}/share/man" "/usr/lib/${PN}/man-${SLOT}"
+	dosym "rust/${SLOT}/lib/rustlib" "/usr/lib/rustlib-${SLOT}"
+	dosym "../../lib/${PN}/${SLOT}/share/doc/rust" "/usr/share/doc/${P}"
+
+	newenvd - "50${P}" <<-_EOF_
+		MANPATH="${EPREFIX}/usr/lib/rust/man-${SLOT}"
+	_EOF_
+
+	rm -rf "${ED}/usr/lib/${PN}/${SLOT}"/*.old || die
+	rm -rf "${ED}/usr/lib/${PN}/${SLOT}/bin"/*.old || die
+	rm -rf "${ED}/usr/lib/${PN}/${SLOT}/doc"/*.old || die
+
+	# note: eselect-rust adds EROOT to all paths below
+	cat <<-_EOF_ > "${T}/provider-${PN}-${SLOT}"
+		/usr/bin/cargo
+		/usr/bin/rustdoc
+		/usr/bin/rust-gdb
+		/usr/bin/rust-gdbgui
+		/usr/bin/rust-lldb
+		/usr/lib/rustlib
+		/usr/lib/rust/lib
+		/usr/lib/rust/man
+		/usr/share/doc/rust
+	_EOF_
+
+	if use clippy; then
+		echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
+	fi
+	if [[ ${SLOT} == *9999* ]] && use miri; then
+		echo /usr/bin/miri >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-miri >> "${T}/provider-${P}"
+	fi
+	if use rustfmt; then
+		echo /usr/bin/rustfmt >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
+	fi
+	if use rust-analyzer; then
+		echo /usr/lib/rust/libexec >> "${T}/provider-${P}"
+		echo /usr/bin/rust-analyzer >> "${T}/provider-${P}"
+	fi
+
+	insinto /etc/env.d/rust
+	doins "${T}/provider-${PN}-${SLOT}"
+
+	if use dist; then
+		"${EPYTHON}" ./x.py dist -v --config="${S}"/bootstrap.toml -j$(makeopts_jobs) || die
+		insinto "/usr/lib/${PN}/${SLOT}/dist"
+		doins -r "${S}/build/dist/."
+	fi
+}
+
+pkg_postinst() {
+
+	eselect rust update
+
+	if has_version dev-debug/gdb || has_version llvm-core/lldb; then
+		elog "Rust installs helper scripts for calling GDB and LLDB,"
+		elog "for convenience they are installed under /usr/bin/rust-{gdb,lldb}-${PV}."
+	fi
+
+	if has_version app-editors/emacs; then
+		optfeature "emacs support for rust" app-emacs/rust-mode
+	fi
+
+	if has_version app-editors/gvim || has_version app-editors/vim; then
+		optfeature "vim support for rust" app-vim/rust-vim
+	fi
+}
+
+pkg_postrm() {
+	eselect rust cleanup
+}
diff --git a/eclass/rust.eclass b/eclass/rust.eclass
index 0365a7640594d..a13ea067dba32 100644
--- a/eclass/rust.eclass
+++ b/eclass/rust.eclass
@@ -68,6 +68,7 @@ fi
 # Definitive list of Rust slots and the associated LLVM slot, newest first.
 declare -A -g -r _RUST_LLVM_MAP=(
 	["9999"]=21
+	["1.92.0"]=21
 	["1.91.0"]=21
 	["1.90.0"]=20
 	["1.89.0"]=20
@@ -98,6 +99,7 @@ declare -A -g -r _RUST_LLVM_MAP=(
 # this array is used to store the Rust slots in a more convenient order for iteration.
 declare -a -g -r _RUST_SLOTS_ORDERED=(
 	"9999"
+	"1.92.0"
 	"1.91.0"
 	"1.90.0"
 	"1.89.0"
diff --git a/profiles/base/package.use.force b/profiles/base/package.use.force
index 2d55857ecd146..dce7a40bb97ab 100644
--- a/profiles/base/package.use.force
+++ b/profiles/base/package.use.force
@@ -82,6 +82,8 @@ llvm-runtimes/libcxxabi clang
 #    echo "dev-lang/rust:${slot} llvm_slot_${_RUST_LLVM_MAP[${slot}]}"
 #    echo "dev-lang/rust-bin:${slot} llvm_slot_${_RUST_LLVM_MAP[${slot}]}"
 # done
+dev-lang/rust:1.92.0 llvm_slot_21
+dev-lang/rust-bin:1.92.0 llvm_slot_21
 dev-lang/rust:1.91.0 llvm_slot_21
 dev-lang/rust-bin:1.91.0 llvm_slot_21
 dev-lang/rust:1.90.0 llvm_slot_20
diff --git a/sys-devel/rust-std/Manifest b/sys-devel/rust-std/Manifest
index d2ff9b063fa00..a9cac895c4f91 100644
--- a/sys-devel/rust-std/Manifest
+++ b/sys-devel/rust-std/Manifest
@@ -20,3 +20,5 @@ DIST rustc-1.90.0-src.tar.xz 272348992 BLAKE2B 82dbbe3b5fe79f623c74fb81a4c4372b1
 DIST rustc-1.90.0-src.tar.xz.asc 801 BLAKE2B 1e84c6134c4fedbbd52610c259c1bdacb45bc97e8cce7a6b5a8c92827a072c88fcf8984893a5e6aa28c2d5d82bd849bb9d38390c783cfaa503a18c99bcaabcde SHA512 fc8f6dfbb4b50777ae8e499883f95b64861db0ca37119b34b3670b4adf51dd248b0b33daafee90e0f22f66b1d8bd8ae6a6107106e95e73f5c2c5a8dc29532e2e
 DIST rustc-1.91.0-src.tar.xz 270987196 BLAKE2B 18ea8075c288d1c2cc8c247120ae5fa157d0144f6dc8f0e30ce48eb068b2440604733b5230fcea6fcb9aa4630de03aa4af632227c5f3e62733254ee45e2a478d SHA512 1e4c7a2435dc5bccfc63f34f5d210f7cafb0113787a4b5069d61f03528a32cd0a29ac516673cbc0eb564089f1dc5e13b962e6c3714bd0109de664c22ed340fb3
 DIST rustc-1.91.0-src.tar.xz.asc 801 BLAKE2B 11b157fafcfa9887b591ffff8b87641f62e81e44d32d5c4ae99a410179905ae64fe760d6c3a6614bd479f51457542a57b171aaa53baad73d5030e496e62f1e67 SHA512 17c99b273d7e84c54b40817448cb7f543b61a5b262d2bfb1c2d1ff108ccf010295c42ae1ae74593fdab1d6caa3cd3f6713e9966a9a5057c01cd85ae3f24a6f89
+DIST rustc-1.92.0-src.tar.xz 271887480 BLAKE2B 765e0f216dde8d375e19ca5b1cd3e051b182cc058e16a1307e82e60bac06de6919d18b6506cb14b3ff5e29c2730ef7d1c6e0d86c3bbf6b8148bbf683048eb99b SHA512 a2c0b127933595b9bc2063d7b7c88d9af512c4664b18f29d44c9a6e2c68d194b87a3071717e8f1b7c858ae940baca888e10be95cd31e0201916d0bfc312a3b15
+DIST rustc-1.92.0-src.tar.xz.asc 801 BLAKE2B 0d223a763b4a3bf0583c4c2c19b2a30dfbe48b6b06c17a764c894ec29d1d0543201a78a263df3c1314c4ad9e050009e1cacb580633f8c2a8e6b2bf35d9a87fce SHA512 7355e5d641ac6f1d27decdf24dbf4af5640ae4f3177a678f8c040aa7288e660c87ed3de33efdcf4e881691b1c13cd9b2a0b6ff3067892aaed1649a4b73b610df
diff --git a/sys-devel/rust-std/rust-std-1.92.0.ebuild b/sys-devel/rust-std/rust-std-1.92.0.ebuild
new file mode 100644
index 0000000000000..d3494b3678466
--- /dev/null
+++ b/sys-devel/rust-std/rust-std-1.92.0.ebuild
@@ -0,0 +1,179 @@
+# Copyright 2020-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit edo flag-o-matic multiprocessing python-any-r1 rust-toolchain toolchain-funcs verify-sig
+
+DESCRIPTION="Rust standard library, standalone (for crossdev)"
+HOMEPAGE="https://www.rust-lang.org"
+
+if [[ ${PV} = *9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/rust-lang/rust.git"
+	EGIT_SUBMODULES=(
+			"*"
+			"-src/gcc"
+	)
+elif [[ ${PV} == *beta* ]]; then
+	# Identify the snapshot date of the beta release:
+	# curl -Ls static.rust-lang.org/dist/channel-rust-beta.toml | grep beta-src.tar.xz
+	betaver=${PV//*beta}
+	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+	MY_P="rustc-beta"
+	SRC_URI="https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz -> rustc-${PV}-src.tar.xz
+			verify-sig? ( https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz.asc
+					-> rustc-${PV}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/${MY_P}-src"
+else
+	MY_P="rustc-${PV}"
+	SRC_URI="https://static.rust-lang.org/dist/${MY_P}-src.tar.xz
+			verify-sig? ( https://static.rust-lang.org/dist/${MY_P}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/${MY_P}-src"
+fi
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4"
+SLOT="stable/$(ver_cut 1-2)"
+# please do not keyword
+#KEYWORDS="" #nowarn
+IUSE="debug"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	~dev-lang/rust-${PV}:=
+	verify-sig? ( sec-keys/openpgp-keys-rust )
+"
+DEPEND="||
+	(
+		>="${CATEGORY}"/gcc-4.7:*
+		>="${CATEGORY/sys-devel/llvm-core}"/clang-3.5:*
+	)
+"
+RDEPEND="${DEPEND}"
+
+# need full compiler to run tests
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/rust.asc
+
+QA_FLAGS_IGNORED="usr/lib/rust/${PV}/rustlib/.*/lib/lib.*.so"
+
+#
+# The cross magic
+#
+export CTARGET=${CTARGET:-${CHOST}}
+if [[ ${CTARGET} == ${CHOST} ]] ; then
+	if [[ ${CATEGORY} == cross-* ]] ; then
+		export CTARGET=${CATEGORY#cross-}
+	fi
+fi
+
+is_cross() {
+	[[ ${CHOST} != ${CTARGET} ]]
+}
+
+toml_usex() {
+	usex "$1" true false
+}
+
+pkg_pretend() {
+	is_cross || die "${PN} should only be used for cross"
+}
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+}
+
+src_configure() {
+	# do the great cleanup
+	strip-flags
+	filter-flags '-mcpu=*' '-march=*' '-mtune=*' '-m32' '-m64'
+	strip-unsupported-flags
+
+	local rust_root x
+	rust_root="$(rustc --print sysroot)"
+	rtarget="$(rust_abi ${CTARGET})"
+	rtarget="${ERUST_STD_RTARGET:-${rtarget}}" # some targets need to be custom.
+	rbuild="$(rust_abi ${CBUILD})"
+	rhost="$(rust_abi ${CHOST})"
+
+	echo
+	for x in CATEGORY rust_root rbuild rhost rtarget RUSTFLAGS CFLAGS CXXFLAGS LDFLAGS; do
+		einfo "$(printf '%10s' ${x^^}:) ${!x}"
+	done
+
+	cat <<- EOF > "${S}"/bootstrap.toml
+		[build]
+		build = "${rbuild}"
+		host = ["${rhost}"]
+		target = ["${rtarget}"]
+		cargo = "${rust_root}/bin/cargo"
+		rustc = "${rust_root}/bin/rustc"
+		submodules = false
+		python = "${EPYTHON}"
+		locked-deps = true
+		vendor = true
+		extended = true
+		verbose = 2
+		cargo-native-static = false
+		[install]
+		prefix = "${EPREFIX}/usr/lib/${PN}/${PV}"
+		sysconfdir = "etc"
+		docdir = "share/doc/rust"
+		bindir = "bin"
+		libdir = "lib"
+		mandir = "share/man"
+		[rust]
+		# https://github.com/rust-lang/rust/issues/54872
+		codegen-units-std = 1
+		optimize = true
+		debug = $(toml_usex debug)
+		debug-assertions = $(toml_usex debug)
+		debuginfo-level-rustc = 0
+		backtrace = true
+		incremental = false
+		default-linker = "$(tc-getCC)"
+		rpath = false
+		dist-src = false
+		remap-debuginfo = true
+		jemalloc = false
+		[dist]
+		src-tarball = false
+		[target.${rtarget}]
+		ar = "$(tc-getAR ${CTARGET})"
+		cc = "$(tc-getCC ${CTARGET})"
+		cxx = "$(tc-getCXX ${CTARGET})"
+		linker = "$(tc-getCC ${CTARGET})"
+		ranlib = "$(tc-getRANLIB ${CTARGET})"
+		$(usev elibc_musl 'crt-static = false')
+	EOF
+
+	einfo "${PN^} configured with the following settings:"
+	cat "${S}"/bootstrap.toml || die
+}
+
+src_compile() {
+	edo env RUST_BACKTRACE=1 \
+		"${EPYTHON}" ./x.py build -vv --config="${S}"/bootstrap.toml -j$(makeopts_jobs) \
+		library/std --stage 0
+}
+
+src_test() {
+	ewarn "${PN} can't run tests"
+}
+
+src_install() {
+	local rustlib="lib/rust/${PV}/lib/rustlib"
+	dodir "/usr/${rustlib}"
+	pushd "build/${rhost}/stage0-sysroot/lib/rustlib" > /dev/null || die
+	cp -pPRv "${rtarget}" "${ED}/usr/${rustlib}" || die
+	popd > /dev/null || die
+}