[INFO] fetching crate serial-io 0.3.0...
[INFO] checking serial-io-0.3.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate serial-io 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serial-io 0.3.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial-io 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serial-io 0.3.0
[INFO] tweaked toml for crates.io crate serial-io 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate serial-io 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f287f418c37e759461334c43a2d1f103954f7f0b9b7c3779f1e552df18b725b
[INFO] running `Command { std: "docker" "start" "-a" "1f287f418c37e759461334c43a2d1f103954f7f0b9b7c3779f1e552df18b725b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f287f418c37e759461334c43a2d1f103954f7f0b9b7c3779f1e552df18b725b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f287f418c37e759461334c43a2d1f103954f7f0b9b7c3779f1e552df18b725b", kill_on_drop: false }`
[INFO] [stdout] 1f287f418c37e759461334c43a2d1f103954f7f0b9b7c3779f1e552df18b725b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--cap-lints=forbid" "-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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c78850164b0e617b54a0e6f9aafd3837ef928393e4037b4064b8b691b76ff3b
[INFO] running `Command { std: "docker" "start" "-a" "4c78850164b0e617b54a0e6f9aafd3837ef928393e4037b4064b8b691b76ff3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.16.1
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking serial-io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.35s
[INFO] running `Command { std: "docker" "inspect" "4c78850164b0e617b54a0e6f9aafd3837ef928393e4037b4064b8b691b76ff3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c78850164b0e617b54a0e6f9aafd3837ef928393e4037b4064b8b691b76ff3b", kill_on_drop: false }`
[INFO] [stdout] 4c78850164b0e617b54a0e6f9aafd3837ef928393e4037b4064b8b691b76ff3b