[INFO] fetching crate serial-io 0.3.0...
[INFO] checking serial-io-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate serial-io 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate serial-io 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded futures-executor v0.3.15
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] [stderr]   Downloaded libc v0.2.96
[INFO] [stderr]   Downloaded tokio v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbf9d9311b2990a0ae4bd58b6568a961249842974b8a01436fafd9b53154279
[INFO] running `Command { std: "docker" "start" "-a" "efbf9d9311b2990a0ae4bd58b6568a961249842974b8a01436fafd9b53154279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbf9d9311b2990a0ae4bd58b6568a961249842974b8a01436fafd9b53154279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbf9d9311b2990a0ae4bd58b6568a961249842974b8a01436fafd9b53154279", kill_on_drop: false }`
[INFO] [stdout] efbf9d9311b2990a0ae4bd58b6568a961249842974b8a01436fafd9b53154279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 192d7ad1f864c3a9328391b7d8ab9932ff90dc1c04a9b2d45c830e73ae1071c1
[INFO] running `Command { std: "docker" "start" "-a" "192d7ad1f864c3a9328391b7d8ab9932ff90dc1c04a9b2d45c830e73ae1071c1", 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]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bytes v1.0.1
[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 mio v0.7.11
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking serial-io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "192d7ad1f864c3a9328391b7d8ab9932ff90dc1c04a9b2d45c830e73ae1071c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192d7ad1f864c3a9328391b7d8ab9932ff90dc1c04a9b2d45c830e73ae1071c1", kill_on_drop: false }`
[INFO] [stdout] 192d7ad1f864c3a9328391b7d8ab9932ff90dc1c04a9b2d45c830e73ae1071c1