[INFO] fetching crate serial2 0.1.6...
[INFO] testing serial2-0.1.6 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate serial2 0.1.6 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate serial2 0.1.6 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 serial2 0.1.6
[INFO] finished tweaking crates.io crate serial2 0.1.6
[INFO] tweaked toml for crates.io crate serial2 0.1.6 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate serial2 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 9abb8ac5ea4f9358cecf6828c881f9b9abfb276612ee4aeb31109cbdab583a62
[INFO] running `Command { std: "docker" "start" "-a" "9abb8ac5ea4f9358cecf6828c881f9b9abfb276612ee4aeb31109cbdab583a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9abb8ac5ea4f9358cecf6828c881f9b9abfb276612ee4aeb31109cbdab583a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9abb8ac5ea4f9358cecf6828c881f9b9abfb276612ee4aeb31109cbdab583a62", kill_on_drop: false }`
[INFO] [stdout] 9abb8ac5ea4f9358cecf6828c881f9b9abfb276612ee4aeb31109cbdab583a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 935a84ad81f18951080c23b650557ab1ddcd7eb0f01be7e2184c20c7db873537
[INFO] running `Command { std: "docker" "start" "-a" "935a84ad81f18951080c23b650557ab1ddcd7eb0f01be7e2184c20c7db873537", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serial2 v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "935a84ad81f18951080c23b650557ab1ddcd7eb0f01be7e2184c20c7db873537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935a84ad81f18951080c23b650557ab1ddcd7eb0f01be7e2184c20c7db873537", kill_on_drop: false }`
[INFO] [stdout] 935a84ad81f18951080c23b650557ab1ddcd7eb0f01be7e2184c20c7db873537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 31f871690c310aec74844847790d875e5b298887165f8081c25be4137e960cb4
[INFO] running `Command { std: "docker" "start" "-a" "31f871690c310aec74844847790d875e5b298887165f8081c25be4137e960cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial2 v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "31f871690c310aec74844847790d875e5b298887165f8081c25be4137e960cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f871690c310aec74844847790d875e5b298887165f8081c25be4137e960cb4", kill_on_drop: false }`
[INFO] [stdout] 31f871690c310aec74844847790d875e5b298887165f8081c25be4137e960cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 1997642d8930b2b57f06c4859410a8dd4897eb27f782fb1527eb49170de59ad1
[INFO] running `Command { std: "docker" "start" "-a" "1997642d8930b2b57f06c4859410a8dd4897eb27f782fb1527eb49170de59ad1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serial2-b33e56630fec63c7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial2
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/serial_port.rs - serial_port::SerialPort::open (line 23) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 36) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1997642d8930b2b57f06c4859410a8dd4897eb27f782fb1527eb49170de59ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1997642d8930b2b57f06c4859410a8dd4897eb27f782fb1527eb49170de59ad1", kill_on_drop: false }`
[INFO] [stdout] 1997642d8930b2b57f06c4859410a8dd4897eb27f782fb1527eb49170de59ad1