[INFO] fetching crate ckb-channel 0.100.0-rc2...
[INFO] documenting ckb-channel-0.100.0-rc2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate ckb-channel 0.100.0-rc2 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate ckb-channel 0.100.0-rc2 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 ckb-channel 0.100.0-rc2
[INFO] finished tweaking crates.io crate ckb-channel 0.100.0-rc2
[INFO] tweaked toml for crates.io crate ckb-channel 0.100.0-rc2 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 1defc185ac527104654c660053ae45695ad07d8d0203e14dd1e137b2b26be306
[INFO] running `Command { std: "docker" "start" "-a" "1defc185ac527104654c660053ae45695ad07d8d0203e14dd1e137b2b26be306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1defc185ac527104654c660053ae45695ad07d8d0203e14dd1e137b2b26be306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1defc185ac527104654c660053ae45695ad07d8d0203e14dd1e137b2b26be306", kill_on_drop: false }`
[INFO] [stdout] 1defc185ac527104654c660053ae45695ad07d8d0203e14dd1e137b2b26be306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] ede4c135477209393fa8af3937532c0b4e8c6aa4c8d7cdedeb077d628e59d232
[INFO] running `Command { std: "docker" "start" "-a" "ede4c135477209393fa8af3937532c0b4e8c6aa4c8d7cdedeb077d628e59d232", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]  Documenting ckb-channel v0.100.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "ede4c135477209393fa8af3937532c0b4e8c6aa4c8d7cdedeb077d628e59d232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede4c135477209393fa8af3937532c0b4e8c6aa4c8d7cdedeb077d628e59d232", kill_on_drop: false }`
[INFO] [stdout] ede4c135477209393fa8af3937532c0b4e8c6aa4c8d7cdedeb077d628e59d232
