[INFO] cloning repository https://github.com/mindriot101/tailers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindriot101/tailers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindriot101%2Ftailers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindriot101%2Ftailers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f11774cc86f4e8b66c008f7ea36c62755ff07059
[INFO] testing mindriot101/tailers against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindriot101%2Ftailers" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mindriot101/tailers 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/mindriot101/tailers
[INFO] finished tweaking git repo https://github.com/mindriot101/tailers
[INFO] tweaked toml for git repo https://github.com/mindriot101/tailers written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/mindriot101/tailers 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] d6ee924ee014c5259c2e45e790a89e94d1d5de2029c9a04cf038067bba42c386
[INFO] running `Command { std: "docker" "start" "-a" "d6ee924ee014c5259c2e45e790a89e94d1d5de2029c9a04cf038067bba42c386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6ee924ee014c5259c2e45e790a89e94d1d5de2029c9a04cf038067bba42c386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ee924ee014c5259c2e45e790a89e94d1d5de2029c9a04cf038067bba42c386", kill_on_drop: false }`
[INFO] [stdout] d6ee924ee014c5259c2e45e790a89e94d1d5de2029c9a04cf038067bba42c386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 4379879830fa5d314f3d09b43b364b8cd28f54e664d2d4ca9826b421ad5fdd8d
[INFO] running `Command { std: "docker" "start" "-a" "4379879830fa5d314f3d09b43b364b8cd28f54e664d2d4ca9826b421ad5fdd8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling random_color v0.4.4
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling notify v4.0.14
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.1.6
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling tracing v0.1.10
[INFO] [stderr]    Compiling structopt v0.3.5
[INFO] [stderr]    Compiling tailers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.92s
[INFO] running `Command { std: "docker" "inspect" "4379879830fa5d314f3d09b43b364b8cd28f54e664d2d4ca9826b421ad5fdd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4379879830fa5d314f3d09b43b364b8cd28f54e664d2d4ca9826b421ad5fdd8d", kill_on_drop: false }`
[INFO] [stdout] 4379879830fa5d314f3d09b43b364b8cd28f54e664d2d4ca9826b421ad5fdd8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 0de4a7d006eb4dcbae108fa0a3941a279a32e95204e18e5da758e38a3d7fc450
[INFO] running `Command { std: "docker" "start" "-a" "0de4a7d006eb4dcbae108fa0a3941a279a32e95204e18e5da758e38a3d7fc450", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tailers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "0de4a7d006eb4dcbae108fa0a3941a279a32e95204e18e5da758e38a3d7fc450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de4a7d006eb4dcbae108fa0a3941a279a32e95204e18e5da758e38a3d7fc450", kill_on_drop: false }`
[INFO] [stdout] 0de4a7d006eb4dcbae108fa0a3941a279a32e95204e18e5da758e38a3d7fc450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] a542f3e1f79f63a308bb436cebd6ccba77cad3e3b1620ce36f412f5f74e939ed
[INFO] running `Command { std: "docker" "start" "-a" "a542f3e1f79f63a308bb436cebd6ccba77cad3e3b1620ce36f412f5f74e939ed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tailers-333aca734c5d7d93)
[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" "a542f3e1f79f63a308bb436cebd6ccba77cad3e3b1620ce36f412f5f74e939ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a542f3e1f79f63a308bb436cebd6ccba77cad3e3b1620ce36f412f5f74e939ed", kill_on_drop: false }`
[INFO] [stdout] a542f3e1f79f63a308bb436cebd6ccba77cad3e3b1620ce36f412f5f74e939ed