[INFO] fetching crate ferrous-serialport 4.0.2...
[INFO] documenting ferrous-serialport-4.0.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate ferrous-serialport 4.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ferrous-serialport 4.0.2 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 ferrous-serialport 4.0.2
[INFO] finished tweaking crates.io crate ferrous-serialport 4.0.2
[INFO] tweaked toml for crates.io crate ferrous-serialport 4.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate ferrous-serialport 4.0.2 already has a lockfile, it will not be regenerated
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6ea1b5db678ee3ba4d727a02e18451f3eee7d3a0fdac9313957261974915216b
[INFO] running `Command { std: "docker" "start" "-a" "6ea1b5db678ee3ba4d727a02e18451f3eee7d3a0fdac9313957261974915216b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea1b5db678ee3ba4d727a02e18451f3eee7d3a0fdac9313957261974915216b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea1b5db678ee3ba4d727a02e18451f3eee7d3a0fdac9313957261974915216b", kill_on_drop: false }`
[INFO] [stdout] 6ea1b5db678ee3ba4d727a02e18451f3eee7d3a0fdac9313957261974915216b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7d3f9eac4f549aed75a29cd175db52a912525565bab4ee68e939af3ad7c24c7f
[INFO] running `Command { std: "docker" "start" "-a" "7d3f9eac4f549aed75a29cd175db52a912525565bab4ee68e939af3ad7c24c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.16.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]  Documenting ferrous-serialport v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "7d3f9eac4f549aed75a29cd175db52a912525565bab4ee68e939af3ad7c24c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3f9eac4f549aed75a29cd175db52a912525565bab4ee68e939af3ad7c24c7f", kill_on_drop: false }`
[INFO] [stdout] 7d3f9eac4f549aed75a29cd175db52a912525565bab4ee68e939af3ad7c24c7f
