Hello! Rust packages, which are essentially empty, are not bit-reproducible:
--8<---------------cut here---------------start------------->8--- $ ./pre-inst-env guix challenge rust-rocket-codegen --substitute-urls='https://ci.guix.gnu.org https://bordeaux.guix.gnu.org' /gnu/store/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7 contents differ: no local build for '/gnu/store/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7' https://ci.guix.gnu.org/nar/lzip/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7: 0j6zf2afvc49jnp7i6z7yvbxm0bmw8yc65hz3lncgvw5lc6z1bc1 https://bordeaux.guix.gnu.org/nar/lzip/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7: 015kb637b56mqcsg3f6x1qggm2bybiszji2069gb913wxbj6rs7w differing file: /share/cargo/registry/rocket_codegen-0.4.7.crate 1 store items were analyzed: - 0 (0.0%) were identical - 1 (100.0%) differed - 0 (0.0%) were inconclusive ludo@ribbon ~/src/guix$ ./pre-inst-env guix challenge rust-rocket-codegen /gnu/store/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7 contents differ: no local build for '/gnu/store/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7' https://ci.guix.gnu.org/nar/lzip/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7: 0j6zf2afvc49jnp7i6z7yvbxm0bmw8yc65hz3lncgvw5lc6z1bc1 https://bordeaux.guix.gnu.org/nar/lzip/09hlac18bwl1kcnhdig7z1v2j8ly1czw-rust-rocket-codegen-0.4.7: 015kb637b56mqcsg3f6x1qggm2bybiszji2069gb913wxbj6rs7w differing file: /share/cargo/registry/rocket_codegen-0.4.7.crate 1 store items were analyzed: - 0 (0.0%) were identical - 1 (100.0%) differed - 0 (0.0%) were inconclusive $ git log |head -1 commit 973842acbc2d0dc1ab41738a534d4abda6d9efa7 --8<---------------cut here---------------end--------------->8--- The diffoscope output suggests it’s about timestamps on one file in the .crate archive: --8<---------------cut here---------------start------------->8--- │ │ │ │ --- /tmp/guix-directory.ii5wmv/share/cargo/registry/rocket_codegen-0.4.7.crate │ │ │ ├── +++ /tmp/guix-directory.uTTKSw/share/cargo/registry/rocket_codegen-0.4.7.crate │ │ │ │ ├── rocket_codegen-0.4.7.crate-content │ │ │ │ │ ├── file list │ │ │ │ │ │ @@ -1,67 +1,67 @@ │ │ │ │ │ │ --rw-r--r-- 0 0 0 1293 2021-07-27 15:22:18.000000 rocket_codegen-0.4.7/Cargo.toml […] │ │ │ │ │ │ +-rw-r--r-- 0 0 0 1293 2021-07-27 22:01:49.000000 rocket_codegen-0.4.7/Cargo.toml --8<---------------cut here---------------end--------------->8--- Does that ring a bell? Thanks, Ludo’. PS: I noticed this via <http://data.guix.gnu.org/revision/973842acbc2d0dc1ab41738a534d4abda6d9efa7/package-reproducibility> with help from Chris. Fixing this could noticeably improve our stats. :-)
