[INFO] fetching crate serial-console 0.4.3...
[INFO] testing serial-console-0.4.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serial-console 0.4.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate serial-console 0.4.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial-console 0.4.3
[INFO] finished tweaking crates.io crate serial-console 0.4.3
[INFO] tweaked toml for crates.io crate serial-console 0.4.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate serial-console 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5641bc2121fbe7363974b1e1292958979731d7396d6db15a0bb0f5003ab205
[INFO] running `Command { std: "docker" "start" "-a" "9b5641bc2121fbe7363974b1e1292958979731d7396d6db15a0bb0f5003ab205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5641bc2121fbe7363974b1e1292958979731d7396d6db15a0bb0f5003ab205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5641bc2121fbe7363974b1e1292958979731d7396d6db15a0bb0f5003ab205", kill_on_drop: false }`
[INFO] [stdout] 9b5641bc2121fbe7363974b1e1292958979731d7396d6db15a0bb0f5003ab205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba21e08e8b9875a85a56e7fe0a36179fbe9f52e9feeadb6e8bb13a7b93551142
[INFO] running `Command { std: "docker" "start" "-a" "ba21e08e8b9875a85a56e7fe0a36179fbe9f52e9feeadb6e8bb13a7b93551142", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling serial-console v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "ba21e08e8b9875a85a56e7fe0a36179fbe9f52e9feeadb6e8bb13a7b93551142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba21e08e8b9875a85a56e7fe0a36179fbe9f52e9feeadb6e8bb13a7b93551142", kill_on_drop: false }`
[INFO] [stdout] ba21e08e8b9875a85a56e7fe0a36179fbe9f52e9feeadb6e8bb13a7b93551142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0c2b3d3072bc700f858cbc122f09503c28655691ed16250ed0f8138de9abe13
[INFO] running `Command { std: "docker" "start" "-a" "c0c2b3d3072bc700f858cbc122f09503c28655691ed16250ed0f8138de9abe13", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-console v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c0c2b3d3072bc700f858cbc122f09503c28655691ed16250ed0f8138de9abe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c2b3d3072bc700f858cbc122f09503c28655691ed16250ed0f8138de9abe13", kill_on_drop: false }`
[INFO] [stdout] c0c2b3d3072bc700f858cbc122f09503c28655691ed16250ed0f8138de9abe13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfa3f761cbd73ad4f8aea462a3e409f47e4ab3edea8319003fbbd25570b894c2
[INFO] running `Command { std: "docker" "start" "-a" "dfa3f761cbd73ad4f8aea462a3e409f47e4ab3edea8319003fbbd25570b894c2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sc-9b44ae730f6c56e4)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfa3f761cbd73ad4f8aea462a3e409f47e4ab3edea8319003fbbd25570b894c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa3f761cbd73ad4f8aea462a3e409f47e4ab3edea8319003fbbd25570b894c2", kill_on_drop: false }`
[INFO] [stdout] dfa3f761cbd73ad4f8aea462a3e409f47e4ab3edea8319003fbbd25570b894c2