[INFO] fetching crate lin-bus-driver-serial 0.3.0...
[INFO] testing lin-bus-driver-serial-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lin-bus-driver-serial 0.3.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate lin-bus-driver-serial 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lin-bus-driver-serial 0.3.0
[INFO] finished tweaking crates.io crate lin-bus-driver-serial 0.3.0
[INFO] tweaked toml for crates.io crate lin-bus-driver-serial 0.3.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded lin-bus v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ea0f957224c486c02d674aa2bb86bb348f181cb5887e984306f4d56c41bcfb3
[INFO] running `Command { std: "docker" "start" "-a" "6ea0f957224c486c02d674aa2bb86bb348f181cb5887e984306f4d56c41bcfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea0f957224c486c02d674aa2bb86bb348f181cb5887e984306f4d56c41bcfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea0f957224c486c02d674aa2bb86bb348f181cb5887e984306f4d56c41bcfb3", kill_on_drop: false }`
[INFO] [stdout] 6ea0f957224c486c02d674aa2bb86bb348f181cb5887e984306f4d56c41bcfb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41abed58b7062168e7e70816e5c942622344adeb751594e32d228d4cf5f16f7c
[INFO] running `Command { std: "docker" "start" "-a" "41abed58b7062168e7e70816e5c942622344adeb751594e32d228d4cf5f16f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling lin-bus v0.3.2
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling lin-bus-driver-serial v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "41abed58b7062168e7e70816e5c942622344adeb751594e32d228d4cf5f16f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41abed58b7062168e7e70816e5c942622344adeb751594e32d228d4cf5f16f7c", kill_on_drop: false }`
[INFO] [stdout] 41abed58b7062168e7e70816e5c942622344adeb751594e32d228d4cf5f16f7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d8ab631f92553c26c91a937f6908aa3a0fede58eac573b448402dbf54f652f8
[INFO] running `Command { std: "docker" "start" "-a" "1d8ab631f92553c26c91a937f6908aa3a0fede58eac573b448402dbf54f652f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lin-bus-driver-serial v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "1d8ab631f92553c26c91a937f6908aa3a0fede58eac573b448402dbf54f652f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8ab631f92553c26c91a937f6908aa3a0fede58eac573b448402dbf54f652f8", kill_on_drop: false }`
[INFO] [stdout] 1d8ab631f92553c26c91a937f6908aa3a0fede58eac573b448402dbf54f652f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c52901cd990236af3af2e3385aa9a73e68809f680ece3a3c4cd497275ebc93e
[INFO] running `Command { std: "docker" "start" "-a" "9c52901cd990236af3af2e3385aa9a73e68809f680ece3a3c4cd497275ebc93e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lin_bus_driver_serial-cb89c9342735c6cd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lin-bus-driver-serial
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "9c52901cd990236af3af2e3385aa9a73e68809f680ece3a3c4cd497275ebc93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c52901cd990236af3af2e3385aa9a73e68809f680ece3a3c4cd497275ebc93e", kill_on_drop: false }`
[INFO] [stdout] 9c52901cd990236af3af2e3385aa9a73e68809f680ece3a3c4cd497275ebc93e