[INFO] fetching crate gib 0.2.4...
[INFO] documenting gib-0.2.4 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate gib 0.2.4 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate gib 0.2.4 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 gib 0.2.4
[INFO] finished tweaking crates.io crate gib 0.2.4
[INFO] tweaked toml for crates.io crate gib 0.2.4 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate crates.io crate gib 0.2.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 953684fc77b81650ff1f799b5d001993e17aa3fadc4cd9a4bc0358fa05d9f44a
[INFO] running `Command { std: "docker" "start" "-a" "953684fc77b81650ff1f799b5d001993e17aa3fadc4cd9a4bc0358fa05d9f44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953684fc77b81650ff1f799b5d001993e17aa3fadc4cd9a4bc0358fa05d9f44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953684fc77b81650ff1f799b5d001993e17aa3fadc4cd9a4bc0358fa05d9f44a", kill_on_drop: false }`
[INFO] [stdout] 953684fc77b81650ff1f799b5d001993e17aa3fadc4cd9a4bc0358fa05d9f44a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] d0b5cd268eb44b5100795ca431b72df4be16486609462ad063379132e1dc5ccf
[INFO] running `Command { std: "docker" "start" "-a" "d0b5cd268eb44b5100795ca431b72df4be16486609462ad063379132e1dc5ccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling gib v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]  Documenting gib v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.43s
[INFO] running `Command { std: "docker" "inspect" "d0b5cd268eb44b5100795ca431b72df4be16486609462ad063379132e1dc5ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b5cd268eb44b5100795ca431b72df4be16486609462ad063379132e1dc5ccf", kill_on_drop: false }`
[INFO] [stdout] d0b5cd268eb44b5100795ca431b72df4be16486609462ad063379132e1dc5ccf
