[INFO] fetching crate codetour_export_to_md 2020.605.1303...
[INFO] documenting codetour_export_to_md-2020.605.1303 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate codetour_export_to_md 2020.605.1303 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate codetour_export_to_md 2020.605.1303 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] started tweaking crates.io crate codetour_export_to_md 2020.605.1303
[INFO] finished tweaking crates.io crate codetour_export_to_md 2020.605.1303
[INFO] tweaked toml for crates.io crate codetour_export_to_md 2020.605.1303 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate codetour_export_to_md 2020.605.1303 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 60c8599ff9bd7656fc92d612a3a309a33118a29a1ff9c681ff65d7a35bf89c6e
[INFO] running `Command { std: "docker" "start" "-a" "60c8599ff9bd7656fc92d612a3a309a33118a29a1ff9c681ff65d7a35bf89c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c8599ff9bd7656fc92d612a3a309a33118a29a1ff9c681ff65d7a35bf89c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c8599ff9bd7656fc92d612a3a309a33118a29a1ff9c681ff65d7a35bf89c6e", kill_on_drop: false }`
[INFO] [stdout] 60c8599ff9bd7656fc92d612a3a309a33118a29a1ff9c681ff65d7a35bf89c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2a7e63337f4d6d9ec4601eaa194407a2ebff4e0028a09375162f67b0372f1cb7
[INFO] running `Command { std: "docker" "start" "-a" "2a7e63337f4d6d9ec4601eaa194407a2ebff4e0028a09375162f67b0372f1cb7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]  Documenting codetour_export_to_md v2020.605.1303 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `Command { std: "docker" "inspect" "2a7e63337f4d6d9ec4601eaa194407a2ebff4e0028a09375162f67b0372f1cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7e63337f4d6d9ec4601eaa194407a2ebff4e0028a09375162f67b0372f1cb7", kill_on_drop: false }`
[INFO] [stdout] 2a7e63337f4d6d9ec4601eaa194407a2ebff4e0028a09375162f67b0372f1cb7
