[INFO] fetching crate fft_bench 0.1.1...
[INFO] documenting fft_bench-0.1.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate fft_bench 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fft_bench 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking crates.io crate fft_bench 0.1.1
[INFO] finished tweaking crates.io crate fft_bench 0.1.1
[INFO] tweaked toml for crates.io crate fft_bench 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate fft_bench 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded chfft v0.3.4
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e509940911da47738f661bd90029055fe35e570e6386602a371267f5d1b25b73
[INFO] running `Command { std: "docker" "start" "-a" "e509940911da47738f661bd90029055fe35e570e6386602a371267f5d1b25b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e509940911da47738f661bd90029055fe35e570e6386602a371267f5d1b25b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e509940911da47738f661bd90029055fe35e570e6386602a371267f5d1b25b73", kill_on_drop: false }`
[INFO] [stdout] e509940911da47738f661bd90029055fe35e570e6386602a371267f5d1b25b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d592ddbeeeb9374ca98c385aa2e9eeb31f40fcb62c83bdbffc3f1fbbda4c9fc
[INFO] running `Command { std: "docker" "start" "-a" "6d592ddbeeeb9374ca98c385aa2e9eeb31f40fcb62c83bdbffc3f1fbbda4c9fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking chfft v0.3.4
[INFO] [stderr]  Documenting fft_bench v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "6d592ddbeeeb9374ca98c385aa2e9eeb31f40fcb62c83bdbffc3f1fbbda4c9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d592ddbeeeb9374ca98c385aa2e9eeb31f40fcb62c83bdbffc3f1fbbda4c9fc", kill_on_drop: false }`
[INFO] [stdout] 6d592ddbeeeb9374ca98c385aa2e9eeb31f40fcb62c83bdbffc3f1fbbda4c9fc
