[INFO] fetching crate gaffer 0.0.1...
[INFO] documenting gaffer-0.0.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate gaffer 0.0.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate gaffer 0.0.1 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 gaffer 0.0.1
[INFO] finished tweaking crates.io crate gaffer 0.0.1
[INFO] tweaked toml for crates.io crate gaffer 0.0.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate crates.io crate gaffer 0.0.1 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] dcce37c9fb22b6a6778ba9251a0bdefe67b1b334c310733de8819b3a2fa0ffe0
[INFO] running `Command { std: "docker" "start" "-a" "dcce37c9fb22b6a6778ba9251a0bdefe67b1b334c310733de8819b3a2fa0ffe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcce37c9fb22b6a6778ba9251a0bdefe67b1b334c310733de8819b3a2fa0ffe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcce37c9fb22b6a6778ba9251a0bdefe67b1b334c310733de8819b3a2fa0ffe0", kill_on_drop: false }`
[INFO] [stdout] dcce37c9fb22b6a6778ba9251a0bdefe67b1b334c310733de8819b3a2fa0ffe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 1be56cc6df43e5ba47e74c243613d070a25041f8dcac20d8b2140b0d9d08a444
[INFO] running `Command { std: "docker" "start" "-a" "1be56cc6df43e5ba47e74c243613d070a25041f8dcac20d8b2140b0d9d08a444", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]  Documenting gaffer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "1be56cc6df43e5ba47e74c243613d070a25041f8dcac20d8b2140b0d9d08a444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be56cc6df43e5ba47e74c243613d070a25041f8dcac20d8b2140b0d9d08a444", kill_on_drop: false }`
[INFO] [stdout] 1be56cc6df43e5ba47e74c243613d070a25041f8dcac20d8b2140b0d9d08a444
