[INFO] cloning repository https://github.com/nfatkhiyev/test_serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nfatkhiyev/test_serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfatkhiyev%2Ftest_serial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfatkhiyev%2Ftest_serial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdf8e7ec652821a25f5ae00ba17af1494665fdb6
[INFO] testing nfatkhiyev/test_serial against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnfatkhiyev%2Ftest_serial" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nfatkhiyev/test_serial on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nfatkhiyev/test_serial
[INFO] finished tweaking git repo https://github.com/nfatkhiyev/test_serial
[INFO] tweaked toml for git repo https://github.com/nfatkhiyev/test_serial written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/nfatkhiyev/test_serial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1388b029fe813cd7b4355979bca4e7b27f86aa578aef64a9f3ce3e5599528828
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1388b029fe813cd7b4355979bca4e7b27f86aa578aef64a9f3ce3e5599528828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1388b029fe813cd7b4355979bca4e7b27f86aa578aef64a9f3ce3e5599528828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1388b029fe813cd7b4355979bca4e7b27f86aa578aef64a9f3ce3e5599528828", kill_on_drop: false }`
[INFO] [stdout] 1388b029fe813cd7b4355979bca4e7b27f86aa578aef64a9f3ce3e5599528828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e256e6c2627792c5ac0db60509704d669114ca79fa7cff85687487e586058d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e256e6c2627792c5ac0db60509704d669114ca79fa7cff85687487e586058d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling test_serial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SerialPortSettings`
[INFO] [stdout]  --> src/main.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serialport::{DataBits, FlowControl, Parity, SerialPortSettings, StopBits};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `Command { std: "docker" "inspect" "0e256e6c2627792c5ac0db60509704d669114ca79fa7cff85687487e586058d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e256e6c2627792c5ac0db60509704d669114ca79fa7cff85687487e586058d6", kill_on_drop: false }`
[INFO] [stdout] 0e256e6c2627792c5ac0db60509704d669114ca79fa7cff85687487e586058d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2db6418c65e4d7e077d8ac84ae50c4d66ef1c55d16aec9e9b6240fbf42074b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2db6418c65e4d7e077d8ac84ae50c4d66ef1c55d16aec9e9b6240fbf42074b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_serial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SerialPortSettings`
[INFO] [stdout]  --> src/main.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serialport::{DataBits, FlowControl, Parity, SerialPortSettings, StopBits};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "b2db6418c65e4d7e077d8ac84ae50c4d66ef1c55d16aec9e9b6240fbf42074b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2db6418c65e4d7e077d8ac84ae50c4d66ef1c55d16aec9e9b6240fbf42074b4", kill_on_drop: false }`
[INFO] [stdout] b2db6418c65e4d7e077d8ac84ae50c4d66ef1c55d16aec9e9b6240fbf42074b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49acf0b216ddffc2c7e4265519898e8b72f3498bd3bc5d3f8c4afa6637e2b2d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49acf0b216ddffc2c7e4265519898e8b72f3498bd3bc5d3f8c4afa6637e2b2d6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SerialPortSettings`
[INFO] [stderr]  --> src/main.rs:1:49
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serialport::{DataBits, FlowControl, Parity, SerialPortSettings, StopBits};
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_serial-3de3ff05a7444e46
[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" "49acf0b216ddffc2c7e4265519898e8b72f3498bd3bc5d3f8c4afa6637e2b2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49acf0b216ddffc2c7e4265519898e8b72f3498bd3bc5d3f8c4afa6637e2b2d6", kill_on_drop: false }`
[INFO] [stdout] 49acf0b216ddffc2c7e4265519898e8b72f3498bd3bc5d3f8c4afa6637e2b2d6