[INFO] fetching crate mio-serial 5.0.1...
[INFO] checking mio-serial-5.0.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mio-serial 5.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mio-serial 5.0.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio-serial 5.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio-serial 5.0.1
[INFO] tweaked toml for crates.io crate mio-serial 5.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mio-serial 5.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aaa4ebfc983f50db6525ce010a46056641188c954220616aa56a1d0897d3c81
[INFO] running `Command { std: "docker" "start" "-a" "6aaa4ebfc983f50db6525ce010a46056641188c954220616aa56a1d0897d3c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aaa4ebfc983f50db6525ce010a46056641188c954220616aa56a1d0897d3c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaa4ebfc983f50db6525ce010a46056641188c954220616aa56a1d0897d3c81", kill_on_drop: false }`
[INFO] [stdout] 6aaa4ebfc983f50db6525ce010a46056641188c954220616aa56a1d0897d3c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b89d061887d36de480a47066b8a0a0bd24cf59b6d282df91023a533b1b02d0a
[INFO] running `Command { std: "docker" "start" "-a" "0b89d061887d36de480a47066b8a0a0bd24cf59b6d282df91023a533b1b02d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking mio-serial v5.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "0b89d061887d36de480a47066b8a0a0bd24cf59b6d282df91023a533b1b02d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b89d061887d36de480a47066b8a0a0bd24cf59b6d282df91023a533b1b02d0a", kill_on_drop: false }`
[INFO] [stdout] 0b89d061887d36de480a47066b8a0a0bd24cf59b6d282df91023a533b1b02d0a