[INFO] cloning repository https://github.com/redox-os/extrautils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/extrautils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fextrautils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fextrautils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f9cf9c6ff8f06d53a0f803a744a49d931494adc
[INFO] documenting redox-os/extrautils against nightly for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fextrautils" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/extrautils on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/extrautils
[INFO] finished tweaking git repo https://github.com/redox-os/extrautils
[INFO] tweaked toml for git repo https://github.com/redox-os/extrautils written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/extrautils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/filetime.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/arg-parser.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/libextra.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/libpager.git`
[INFO] [stderr]     Updating git repository `https://github.com/aahancoc/tree_magic.git`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/termion.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[INFO] [stderr]   Downloaded raw-cpuid v10.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c156d647f2603d4dcccc69453f2bf8c53cc60e1da2c136e709b4ad0aab32ed3e
[INFO] running `Command { std: "docker" "start" "-a" "c156d647f2603d4dcccc69453f2bf8c53cc60e1da2c136e709b4ad0aab32ed3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c156d647f2603d4dcccc69453f2bf8c53cc60e1da2c136e709b4ad0aab32ed3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c156d647f2603d4dcccc69453f2bf8c53cc60e1da2c136e709b4ad0aab32ed3e", kill_on_drop: false }`
[INFO] [stdout] c156d647f2603d4dcccc69453f2bf8c53cc60e1da2c136e709b4ad0aab32ed3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f60686549343708bceb7e40ead3fa95bce7619d29f9aed35a5e938188e438a07
[INFO] running `Command { std: "docker" "start" "-a" "f60686549343708bceb7e40ead3fa95bce7619d29f9aed35a5e938188e438a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking redox_syscall v0.2.16
[INFO] [stderr]     Checking raw-cpuid v10.5.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking extra v0.1.0 (https://gitlab.redox-os.org/redox-os/libextra.git#cf213969)
[INFO] [stderr]     Checking arg_parser v0.1.0 (https://gitlab.redox-os.org/redox-os/arg-parser.git#1c434b55)
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling rust-lzma v0.5.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking filetime v0.2.14 (https://gitlab.redox-os.org/redox-os/filetime.git?branch=redox#5bcbaaed)
[INFO] [stderr]     Checking termion v1.5.6 (https://gitlab.redox-os.org/redox-os/termion.git#8054e082)
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking pager v0.1.0 (https://gitlab.redox-os.org/redox-os/libpager.git#d0ff9e28)
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking tree_magic v0.3.0 (https://github.com/aahancoc/tree_magic.git?rev=56fd014b4e4aefea7d1e37d4216595624511cefc#56fd014b)
[INFO] [stderr]  Documenting extrautils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "f60686549343708bceb7e40ead3fa95bce7619d29f9aed35a5e938188e438a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60686549343708bceb7e40ead3fa95bce7619d29f9aed35a5e938188e438a07", kill_on_drop: false }`
[INFO] [stdout] f60686549343708bceb7e40ead3fa95bce7619d29f9aed35a5e938188e438a07