[INFO] cloning repository https://github.com/EricEisaman/guessing_game-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EricEisaman/guessing_game-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricEisaman%2Fguessing_game-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricEisaman%2Fguessing_game-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1163ba8acfdaf1bac88d30e78dfa86a8989a77cd
[INFO] testing EricEisaman/guessing_game-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricEisaman%2Fguessing_game-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EricEisaman/guessing_game-rust 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/EricEisaman/guessing_game-rust
[INFO] finished tweaking git repo https://github.com/EricEisaman/guessing_game-rust
[INFO] tweaked toml for git repo https://github.com/EricEisaman/guessing_game-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/EricEisaman/guessing_game-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 118c9b9b664cc5e2435b7d9f39c769beff879f3f9544f75fd0d89192dbdb9260
[INFO] running `Command { std: "docker" "start" "-a" "118c9b9b664cc5e2435b7d9f39c769beff879f3f9544f75fd0d89192dbdb9260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "118c9b9b664cc5e2435b7d9f39c769beff879f3f9544f75fd0d89192dbdb9260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118c9b9b664cc5e2435b7d9f39c769beff879f3f9544f75fd0d89192dbdb9260", kill_on_drop: false }`
[INFO] [stdout] 118c9b9b664cc5e2435b7d9f39c769beff879f3f9544f75fd0d89192dbdb9260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] daef506f02745ec3a503670fa5f53e4fe207d6fbb4f73211c3a5a1e414383b2a
[INFO] running `Command { std: "docker" "start" "-a" "daef506f02745ec3a503670fa5f53e4fe207d6fbb4f73211c3a5a1e414383b2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "daef506f02745ec3a503670fa5f53e4fe207d6fbb4f73211c3a5a1e414383b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daef506f02745ec3a503670fa5f53e4fe207d6fbb4f73211c3a5a1e414383b2a", kill_on_drop: false }`
[INFO] [stdout] daef506f02745ec3a503670fa5f53e4fe207d6fbb4f73211c3a5a1e414383b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 06c0560a7c3471a4c76b2607ae2821c8e8bc5bdbf968f9481981c153575bf539
[INFO] running `Command { std: "docker" "start" "-a" "06c0560a7c3471a4c76b2607ae2821c8e8bc5bdbf968f9481981c153575bf539", 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "06c0560a7c3471a4c76b2607ae2821c8e8bc5bdbf968f9481981c153575bf539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c0560a7c3471a4c76b2607ae2821c8e8bc5bdbf968f9481981c153575bf539", kill_on_drop: false }`
[INFO] [stdout] 06c0560a7c3471a4c76b2607ae2821c8e8bc5bdbf968f9481981c153575bf539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c8b5606259708c6b745718e565c0a8777b442097cf72d602e45488827a5afc94
[INFO] running `Command { std: "docker" "start" "-a" "c8b5606259708c6b745718e565c0a8777b442097cf72d602e45488827a5afc94", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-5a0c0e142f9344bd)
[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" "c8b5606259708c6b745718e565c0a8777b442097cf72d602e45488827a5afc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b5606259708c6b745718e565c0a8777b442097cf72d602e45488827a5afc94", kill_on_drop: false }`
[INFO] [stdout] c8b5606259708c6b745718e565c0a8777b442097cf72d602e45488827a5afc94