[INFO] fetching crate rcut 0.0.52...
[INFO] documenting rcut-0.0.52 against master#051cab2b842113b18da28259f4b85d0a7556f7f1 for pr-104889
[INFO] extracting crate rcut 0.0.52 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rcut 0.0.52 on toolchain 051cab2b842113b18da28259f4b85d0a7556f7f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcut 0.0.52
[INFO] finished tweaking crates.io crate rcut 0.0.52
[INFO] tweaked toml for crates.io crate rcut 0.0.52 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rcut 0.0.52 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded rcut-lib v0.0.52
[INFO] [stderr]   Downloaded rtools-traits v0.0.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e17d4b97f6ee54afb6cf2e796051372150f7b7bc0cb90727f9f62a16f5ff400
[INFO] running `Command { std: "docker" "start" "-a" "7e17d4b97f6ee54afb6cf2e796051372150f7b7bc0cb90727f9f62a16f5ff400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e17d4b97f6ee54afb6cf2e796051372150f7b7bc0cb90727f9f62a16f5ff400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e17d4b97f6ee54afb6cf2e796051372150f7b7bc0cb90727f9f62a16f5ff400", kill_on_drop: false }`
[INFO] [stdout] 7e17d4b97f6ee54afb6cf2e796051372150f7b7bc0cb90727f9f62a16f5ff400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e2f608b914986580d7c00e5b69a38e830e56372617d8617d1a1ba7917508d44
[INFO] running `Command { std: "docker" "start" "-a" "0e2f608b914986580d7c00e5b69a38e830e56372617d8617d1a1ba7917508d44", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rtools-traits v0.0.52
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rcut-lib v0.0.52
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]  Documenting rcut v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "0e2f608b914986580d7c00e5b69a38e830e56372617d8617d1a1ba7917508d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2f608b914986580d7c00e5b69a38e830e56372617d8617d1a1ba7917508d44", kill_on_drop: false }`
[INFO] [stdout] 0e2f608b914986580d7c00e5b69a38e830e56372617d8617d1a1ba7917508d44