[INFO] cloning repository https://github.com/IanWorley/guess_game.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IanWorley/guess_game.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanWorley%2Fguess_game.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanWorley%2Fguess_game.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a0254a8b991c0da00ecf32e50943f3939960c04
[INFO] testing IanWorley/guess_game.rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanWorley%2Fguess_game.rs" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IanWorley/guess_game.rs 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/IanWorley/guess_game.rs
[INFO] finished tweaking git repo https://github.com/IanWorley/guess_game.rs
[INFO] tweaked toml for git repo https://github.com/IanWorley/guess_game.rs written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/IanWorley/guess_game.rs 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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 9a0b8853cf27a25dc018ffcb5b5b2e6a653bf9141b04159b1246b4d1f6155be1
[INFO] running `Command { std: "docker" "start" "-a" "9a0b8853cf27a25dc018ffcb5b5b2e6a653bf9141b04159b1246b4d1f6155be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0b8853cf27a25dc018ffcb5b5b2e6a653bf9141b04159b1246b4d1f6155be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0b8853cf27a25dc018ffcb5b5b2e6a653bf9141b04159b1246b4d1f6155be1", kill_on_drop: false }`
[INFO] [stdout] 9a0b8853cf27a25dc018ffcb5b5b2e6a653bf9141b04159b1246b4d1f6155be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] e3444197703db9a760da5510bacbceb787383b9a098c1df87f230fd30b4cca15
[INFO] running `Command { std: "docker" "start" "-a" "e3444197703db9a760da5510bacbceb787383b9a098c1df87f230fd30b4cca15", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling guess_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.72s
[INFO] running `Command { std: "docker" "inspect" "e3444197703db9a760da5510bacbceb787383b9a098c1df87f230fd30b4cca15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3444197703db9a760da5510bacbceb787383b9a098c1df87f230fd30b4cca15", kill_on_drop: false }`
[INFO] [stdout] e3444197703db9a760da5510bacbceb787383b9a098c1df87f230fd30b4cca15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 7ecf2f717e3c601aaf526775b76a204ba7241e5fbc65d7b5feb31a7ecd877d44
[INFO] running `Command { std: "docker" "start" "-a" "7ecf2f717e3c601aaf526775b76a204ba7241e5fbc65d7b5feb31a7ecd877d44", kill_on_drop: false }`
[INFO] [stderr]    Compiling guess_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "7ecf2f717e3c601aaf526775b76a204ba7241e5fbc65d7b5feb31a7ecd877d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecf2f717e3c601aaf526775b76a204ba7241e5fbc65d7b5feb31a7ecd877d44", kill_on_drop: false }`
[INFO] [stdout] 7ecf2f717e3c601aaf526775b76a204ba7241e5fbc65d7b5feb31a7ecd877d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] b78ad4acf083ab900cebf430cbe30194d8fa1c0a4567d7ebf04d09eb5cdf70a0
[INFO] running `Command { std: "docker" "start" "-a" "b78ad4acf083ab900cebf430cbe30194d8fa1c0a4567d7ebf04d09eb5cdf70a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.80s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guess_game-78882ac62201b6e1)
[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" "b78ad4acf083ab900cebf430cbe30194d8fa1c0a4567d7ebf04d09eb5cdf70a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78ad4acf083ab900cebf430cbe30194d8fa1c0a4567d7ebf04d09eb5cdf70a0", kill_on_drop: false }`
[INFO] [stdout] b78ad4acf083ab900cebf430cbe30194d8fa1c0a4567d7ebf04d09eb5cdf70a0