[INFO] fetching crate cargo-concat 0.4.2...
[INFO] documenting cargo-concat-0.4.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-concat 0.4.2 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate cargo-concat 0.4.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-concat 0.4.2
[INFO] finished tweaking crates.io crate cargo-concat 0.4.2
[INFO] tweaked toml for crates.io crate cargo-concat 0.4.2 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate crates.io crate cargo-concat 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 223575a7323a36941bec5c12901bb718d8e27fc35f02adcf7c4c9bcc863a11f8
[INFO] running `Command { std: "docker" "start" "-a" "223575a7323a36941bec5c12901bb718d8e27fc35f02adcf7c4c9bcc863a11f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "223575a7323a36941bec5c12901bb718d8e27fc35f02adcf7c4c9bcc863a11f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223575a7323a36941bec5c12901bb718d8e27fc35f02adcf7c4c9bcc863a11f8", kill_on_drop: false }`
[INFO] [stdout] 223575a7323a36941bec5c12901bb718d8e27fc35f02adcf7c4c9bcc863a11f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35387dd1377854d67e425a7e638d142d7b18be0a8bb782f75e37dc331e7e698a
[INFO] running `Command { std: "docker" "start" "-a" "35387dd1377854d67e425a7e638d142d7b18be0a8bb782f75e37dc331e7e698a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking cargo_metadata v0.11.2
[INFO] [stderr]  Documenting cargo-concat v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.77s
[INFO] running `Command { std: "docker" "inspect" "35387dd1377854d67e425a7e638d142d7b18be0a8bb782f75e37dc331e7e698a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35387dd1377854d67e425a7e638d142d7b18be0a8bb782f75e37dc331e7e698a", kill_on_drop: false }`
[INFO] [stdout] 35387dd1377854d67e425a7e638d142d7b18be0a8bb782f75e37dc331e7e698a
