[INFO] cloning repository https://github.com/MelvinSam2000/neural-networks-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MelvinSam2000/neural-networks-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvinSam2000%2Fneural-networks-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvinSam2000%2Fneural-networks-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b134245fc97446e5b07f59ad05f1541a55768022
[INFO] documenting MelvinSam2000/neural-networks-rs against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvinSam2000%2Fneural-networks-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MelvinSam2000/neural-networks-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MelvinSam2000/neural-networks-rs
[INFO] finished tweaking git repo https://github.com/MelvinSam2000/neural-networks-rs
[INFO] tweaked toml for git repo https://github.com/MelvinSam2000/neural-networks-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MelvinSam2000/neural-networks-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v4.2.0
[INFO] [stderr]   Downloaded mnist v0.6.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.16
[INFO] [stderr]   Downloaded reductive v0.9.0
[INFO] [stderr]   Downloaded memmap2 v0.9.1
[INFO] [stderr]   Downloaded finalfusion v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1fdab6e8c82eb03e158f6fdc6965c523f4926f2c0f377d0f041e6982c152a9a
[INFO] running `Command { std: "docker" "start" "-a" "f1fdab6e8c82eb03e158f6fdc6965c523f4926f2c0f377d0f041e6982c152a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fdab6e8c82eb03e158f6fdc6965c523f4926f2c0f377d0f041e6982c152a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fdab6e8c82eb03e158f6fdc6965c523f4926f2c0f377d0f041e6982c152a9a", kill_on_drop: false }`
[INFO] [stdout] f1fdab6e8c82eb03e158f6fdc6965c523f4926f2c0f377d0f041e6982c152a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8de459845c3927ccb2d24a9a489d0ddd71fd2ae99533d4e360fe1419c294494
[INFO] running `Command { std: "docker" "start" "-a" "f8de459845c3927ccb2d24a9a489d0ddd71fd2ae99533d4e360fe1419c294494", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking winnow v0.5.28
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling curl-sys v0.4.70+curl-8.5.0
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]     Checking ordered-float v4.2.0
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]     Checking memmap2 v0.9.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking murmur3 v0.5.2
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking mnist v0.6.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking reductive v0.9.0
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking finalfusion v0.18.0
[INFO] [stderr]  Documenting ann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_uninit_array, maybe_uninit_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_uninit_array, maybe_uninit_slice)]
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ann`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name ann src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=644ab2a9931ed912 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-407784efe10f3351.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-38bfcd46c0504dbe.rmeta --extern finalfusion=/opt/rustwide/target/debug/deps/libfinalfusion-1c6abda3f6fee93d.rmeta --extern mnist=/opt/rustwide/target/debug/deps/libmnist-c181fe80767f5768.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-73e8c21e91dbbc87.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-6edb781ef0ca558f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9a54c2de995c6911.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-237b8918fa447450.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-6d5992f2e66855d8.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-598f88fe5feb4d2b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f8de459845c3927ccb2d24a9a489d0ddd71fd2ae99533d4e360fe1419c294494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8de459845c3927ccb2d24a9a489d0ddd71fd2ae99533d4e360fe1419c294494", kill_on_drop: false }`
[INFO] [stdout] f8de459845c3927ccb2d24a9a489d0ddd71fd2ae99533d4e360fe1419c294494
