[INFO] fetching crate hex 0.4.3...
[INFO] documenting hex-0.4.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate hex 0.4.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate hex 0.4.3 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 hex 0.4.3
[INFO] finished tweaking crates.io crate hex 0.4.3
[INFO] tweaked toml for crates.io crate hex 0.4.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded faster-hex v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 874b38a300b396d7f5cabfbff09021eecd019725d9127d0889207f1ffd7ce0fa
[INFO] running `Command { std: "docker" "start" "-a" "874b38a300b396d7f5cabfbff09021eecd019725d9127d0889207f1ffd7ce0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "874b38a300b396d7f5cabfbff09021eecd019725d9127d0889207f1ffd7ce0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874b38a300b396d7f5cabfbff09021eecd019725d9127d0889207f1ffd7ce0fa", kill_on_drop: false }`
[INFO] [stdout] 874b38a300b396d7f5cabfbff09021eecd019725d9127d0889207f1ffd7ce0fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d442e6b449282e2821aadc1a41b376f52bef51c6391854e64c3bf63b5a21f90a
[INFO] running `Command { std: "docker" "start" "-a" "d442e6b449282e2821aadc1a41b376f52bef51c6391854e64c3bf63b5a21f90a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting hex v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "d442e6b449282e2821aadc1a41b376f52bef51c6391854e64c3bf63b5a21f90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d442e6b449282e2821aadc1a41b376f52bef51c6391854e64c3bf63b5a21f90a", kill_on_drop: false }`
[INFO] [stdout] d442e6b449282e2821aadc1a41b376f52bef51c6391854e64c3bf63b5a21f90a
