[INFO] cloning repository https://github.com/dsp56001/rust_guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dsp56001/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsp56001%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsp56001%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fab8b8d454be28c4aa08a7e382e5f5df2c580fd8
[INFO] testing dsp56001/rust_guessing_game against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsp56001%2Frust_guessing_game" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsp56001/rust_guessing_game 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/dsp56001/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/dsp56001/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/dsp56001/rust_guessing_game written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/dsp56001/rust_guessing_game 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ferris-says v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] eea1c9b09e2a7d3035b075efd1e27c865e9ca7f9981b1e9625005e885dc8fcb9
[INFO] running `Command { std: "docker" "start" "-a" "eea1c9b09e2a7d3035b075efd1e27c865e9ca7f9981b1e9625005e885dc8fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea1c9b09e2a7d3035b075efd1e27c865e9ca7f9981b1e9625005e885dc8fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea1c9b09e2a7d3035b075efd1e27c865e9ca7f9981b1e9625005e885dc8fcb9", kill_on_drop: false }`
[INFO] [stdout] eea1c9b09e2a7d3035b075efd1e27c865e9ca7f9981b1e9625005e885dc8fcb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 1acfd9aa9edf1b9ac3812af60f3a8787cffd63c6e43576269c2124ac132b5722
[INFO] running `Command { std: "docker" "start" "-a" "1acfd9aa9edf1b9ac3812af60f3a8787cffd63c6e43576269c2124ac132b5722", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.2
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.62s
[INFO] running `Command { std: "docker" "inspect" "1acfd9aa9edf1b9ac3812af60f3a8787cffd63c6e43576269c2124ac132b5722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1acfd9aa9edf1b9ac3812af60f3a8787cffd63c6e43576269c2124ac132b5722", kill_on_drop: false }`
[INFO] [stdout] 1acfd9aa9edf1b9ac3812af60f3a8787cffd63c6e43576269c2124ac132b5722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 87b63bde0e9184005108099fe0b17e9048292bdcfbb59da826918c921c9cad3d
[INFO] running `Command { std: "docker" "start" "-a" "87b63bde0e9184005108099fe0b17e9048292bdcfbb59da826918c921c9cad3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "87b63bde0e9184005108099fe0b17e9048292bdcfbb59da826918c921c9cad3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b63bde0e9184005108099fe0b17e9048292bdcfbb59da826918c921c9cad3d", kill_on_drop: false }`
[INFO] [stdout] 87b63bde0e9184005108099fe0b17e9048292bdcfbb59da826918c921c9cad3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 7fcc3c0e9c6d8b1aa12b22a9ec9eb44a93f26f629d9c2235d64a975fe0f94832
[INFO] running `Command { std: "docker" "start" "-a" "7fcc3c0e9c6d8b1aa12b22a9ec9eb44a93f26f629d9c2235d64a975fe0f94832", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-b3898837ac4b3165)
[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" "7fcc3c0e9c6d8b1aa12b22a9ec9eb44a93f26f629d9c2235d64a975fe0f94832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcc3c0e9c6d8b1aa12b22a9ec9eb44a93f26f629d9c2235d64a975fe0f94832", kill_on_drop: false }`
[INFO] [stdout] 7fcc3c0e9c6d8b1aa12b22a9ec9eb44a93f26f629d9c2235d64a975fe0f94832