[INFO] cloning repository https://github.com/flipdot/arduino-serial-send
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flipdot/arduino-serial-send" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflipdot%2Farduino-serial-send", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflipdot%2Farduino-serial-send'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dfbac54cdf258fb323064ed04baa937ba0d0dfa
[INFO] testing flipdot/arduino-serial-send against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflipdot%2Farduino-serial-send" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flipdot/arduino-serial-send 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 git repo https://github.com/flipdot/arduino-serial-send
[INFO] finished tweaking git repo https://github.com/flipdot/arduino-serial-send
[INFO] tweaked toml for git repo https://github.com/flipdot/arduino-serial-send written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/flipdot/arduino-serial-send 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-rs v0.1.5
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded serial v0.3.4
[INFO] [stderr]   Downloaded clap v2.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 5914b2e198f6f4cc7bc8f8d90fbed30850ffaa29fd5266a02f13336fcc6dcc23
[INFO] running `Command { std: "docker" "start" "-a" "5914b2e198f6f4cc7bc8f8d90fbed30850ffaa29fd5266a02f13336fcc6dcc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5914b2e198f6f4cc7bc8f8d90fbed30850ffaa29fd5266a02f13336fcc6dcc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5914b2e198f6f4cc7bc8f8d90fbed30850ffaa29fd5266a02f13336fcc6dcc23", kill_on_drop: false }`
[INFO] [stdout] 5914b2e198f6f4cc7bc8f8d90fbed30850ffaa29fd5266a02f13336fcc6dcc23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 08a325962aacf8a762abac191f6a5ef5427e978980262b7cf5926aedae0c8e61
[INFO] running `Command { std: "docker" "start" "-a" "08a325962aacf8a762abac191f6a5ef5427e978980262b7cf5926aedae0c8e61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.5
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling term_size v0.2.2
[INFO] [stderr]    Compiling clap v2.20.3
[INFO] [stderr]    Compiling serial v0.3.4
[INFO] [stderr]    Compiling arduino-serial-send v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.02s
[INFO] running `Command { std: "docker" "inspect" "08a325962aacf8a762abac191f6a5ef5427e978980262b7cf5926aedae0c8e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a325962aacf8a762abac191f6a5ef5427e978980262b7cf5926aedae0c8e61", kill_on_drop: false }`
[INFO] [stdout] 08a325962aacf8a762abac191f6a5ef5427e978980262b7cf5926aedae0c8e61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 11cf4281f740d3bf71b0f7d3d59017a629dd7dcefbc8f82250f4f1e6971ea790
[INFO] running `Command { std: "docker" "start" "-a" "11cf4281f740d3bf71b0f7d3d59017a629dd7dcefbc8f82250f4f1e6971ea790", kill_on_drop: false }`
[INFO] [stderr]    Compiling arduino-serial-send v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "11cf4281f740d3bf71b0f7d3d59017a629dd7dcefbc8f82250f4f1e6971ea790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11cf4281f740d3bf71b0f7d3d59017a629dd7dcefbc8f82250f4f1e6971ea790", kill_on_drop: false }`
[INFO] [stdout] 11cf4281f740d3bf71b0f7d3d59017a629dd7dcefbc8f82250f4f1e6971ea790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 5bcb6d0ce0206fa1f667b59e926899efad0e9ad806b0542a7d075feef8666aff
[INFO] running `Command { std: "docker" "start" "-a" "5bcb6d0ce0206fa1f667b59e926899efad0e9ad806b0542a7d075feef8666aff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arduino_serial_send-ebaecc6b711d2241)
[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" "5bcb6d0ce0206fa1f667b59e926899efad0e9ad806b0542a7d075feef8666aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bcb6d0ce0206fa1f667b59e926899efad0e9ad806b0542a7d075feef8666aff", kill_on_drop: false }`
[INFO] [stdout] 5bcb6d0ce0206fa1f667b59e926899efad0e9ad806b0542a7d075feef8666aff