[INFO] cloning repository https://github.com/ncassie/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/ncassie/Rust_Guessing_Game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fncassie%2FRust_Guessing_Game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fncassie%2FRust_Guessing_Game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aaee59707f2afdd5d79e7c2381d888a4b5a3079
[INFO] testing ncassie/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%2Fncassie%2FRust_Guessing_Game" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ncassie/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/ncassie/Rust_Guessing_Game
[INFO] finished tweaking git repo https://github.com/ncassie/Rust_Guessing_Game
[INFO] tweaked toml for git repo https://github.com/ncassie/Rust_Guessing_Game written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ncassie/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d17ff80dd5b21ff1b58247e0007f9dcd6fcbe7db977d422ac4bd8bc26929b26d
[INFO] running `Command { std: "docker" "start" "-a" "d17ff80dd5b21ff1b58247e0007f9dcd6fcbe7db977d422ac4bd8bc26929b26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17ff80dd5b21ff1b58247e0007f9dcd6fcbe7db977d422ac4bd8bc26929b26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17ff80dd5b21ff1b58247e0007f9dcd6fcbe7db977d422ac4bd8bc26929b26d", kill_on_drop: false }`
[INFO] [stdout] d17ff80dd5b21ff1b58247e0007f9dcd6fcbe7db977d422ac4bd8bc26929b26d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c26786d61056dfdb977e2adeb040fbbcedca1bd8f06fb46506995fab0bdfab01
[INFO] running `Command { std: "docker" "start" "-a" "c26786d61056dfdb977e2adeb040fbbcedca1bd8f06fb46506995fab0bdfab01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "c26786d61056dfdb977e2adeb040fbbcedca1bd8f06fb46506995fab0bdfab01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26786d61056dfdb977e2adeb040fbbcedca1bd8f06fb46506995fab0bdfab01", kill_on_drop: false }`
[INFO] [stdout] c26786d61056dfdb977e2adeb040fbbcedca1bd8f06fb46506995fab0bdfab01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 97cd178967e851e90bfceddfec1b5cbe3c9feff564afb000d96710ca8cc5ff13
[INFO] running `Command { std: "docker" "start" "-a" "97cd178967e851e90bfceddfec1b5cbe3c9feff564afb000d96710ca8cc5ff13", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "97cd178967e851e90bfceddfec1b5cbe3c9feff564afb000d96710ca8cc5ff13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cd178967e851e90bfceddfec1b5cbe3c9feff564afb000d96710ca8cc5ff13", kill_on_drop: false }`
[INFO] [stdout] 97cd178967e851e90bfceddfec1b5cbe3c9feff564afb000d96710ca8cc5ff13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4ff8c59330cbd4931d34b3041b1b8102151e73ef716fe906919692a696d18471
[INFO] running `Command { std: "docker" "start" "-a" "4ff8c59330cbd4931d34b3041b1b8102151e73ef716fe906919692a696d18471", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-16d85c3b6b4c4d24)
[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" "4ff8c59330cbd4931d34b3041b1b8102151e73ef716fe906919692a696d18471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff8c59330cbd4931d34b3041b1b8102151e73ef716fe906919692a696d18471", kill_on_drop: false }`
[INFO] [stdout] 4ff8c59330cbd4931d34b3041b1b8102151e73ef716fe906919692a696d18471