[INFO] cloning repository https://github.com/JoaoNevesSoares/NPB-RUST-UFPEL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoaoNevesSoares/NPB-RUST-UFPEL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoaoNevesSoares%2FNPB-RUST-UFPEL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoaoNevesSoares%2FNPB-RUST-UFPEL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d2537e014099d3fb31436800e01416c87a2bacd
[INFO] documenting JoaoNevesSoares/NPB-RUST-UFPEL 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%2FJoaoNevesSoares%2FNPB-RUST-UFPEL" "/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/JoaoNevesSoares/NPB-RUST-UFPEL 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/JoaoNevesSoares/NPB-RUST-UFPEL
[INFO] finished tweaking git repo https://github.com/JoaoNevesSoares/NPB-RUST-UFPEL
[INFO] tweaked toml for git repo https://github.com/JoaoNevesSoares/NPB-RUST-UFPEL written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JoaoNevesSoares/NPB-RUST-UFPEL 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 fma v0.1.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.3
[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] 624fb5809e9264bf664e73adf5c23f7a3568505dcbbd2c4cec85b77aa4828ed9
[INFO] running `Command { std: "docker" "start" "-a" "624fb5809e9264bf664e73adf5c23f7a3568505dcbbd2c4cec85b77aa4828ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "624fb5809e9264bf664e73adf5c23f7a3568505dcbbd2c4cec85b77aa4828ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624fb5809e9264bf664e73adf5c23f7a3568505dcbbd2c4cec85b77aa4828ed9", kill_on_drop: false }`
[INFO] [stdout] 624fb5809e9264bf664e73adf5c23f7a3568505dcbbd2c4cec85b77aa4828ed9
[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] 6b49932e874dd99bd1264332c794933f57aefdadbfc68f07bf5ee65be06a0bc0
[INFO] running `Command { std: "docker" "start" "-a" "6b49932e874dd99bd1264332c794933f57aefdadbfc68f07bf5ee65be06a0bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking matrixmultiply v0.3.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking fma v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fma-0.1.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fma` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6b49932e874dd99bd1264332c794933f57aefdadbfc68f07bf5ee65be06a0bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b49932e874dd99bd1264332c794933f57aefdadbfc68f07bf5ee65be06a0bc0", kill_on_drop: false }`
[INFO] [stdout] 6b49932e874dd99bd1264332c794933f57aefdadbfc68f07bf5ee65be06a0bc0
