[INFO] cloning repository https://github.com/tomfbailey/rust-book-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/tomfbailey/rust-book-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomfbailey%2Frust-book-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomfbailey%2Frust-book-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 373101821a3c9926210c9244262619722ec193d4
[INFO] testing tomfbailey/rust-book-guessing-game against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomfbailey%2Frust-book-guessing-game" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomfbailey/rust-book-guessing-game on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomfbailey/rust-book-guessing-game
[INFO] finished tweaking git repo https://github.com/tomfbailey/rust-book-guessing-game
[INFO] tweaked toml for git repo https://github.com/tomfbailey/rust-book-guessing-game written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/tomfbailey/rust-book-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9fc50fc4a52f41b13b9c1cea8f9800021275e5baad91a6b0ec01db360558ee5
[INFO] running `Command { std: "docker" "start" "-a" "b9fc50fc4a52f41b13b9c1cea8f9800021275e5baad91a6b0ec01db360558ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9fc50fc4a52f41b13b9c1cea8f9800021275e5baad91a6b0ec01db360558ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fc50fc4a52f41b13b9c1cea8f9800021275e5baad91a6b0ec01db360558ee5", kill_on_drop: false }`
[INFO] [stdout] b9fc50fc4a52f41b13b9c1cea8f9800021275e5baad91a6b0ec01db360558ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21c565e59ff488fc12b75e4041d5b7f836ebcbf0e6cf853d8b6132460812d38
[INFO] running `Command { std: "docker" "start" "-a" "f21c565e59ff488fc12b75e4041d5b7f836ebcbf0e6cf853d8b6132460812d38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "f21c565e59ff488fc12b75e4041d5b7f836ebcbf0e6cf853d8b6132460812d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21c565e59ff488fc12b75e4041d5b7f836ebcbf0e6cf853d8b6132460812d38", kill_on_drop: false }`
[INFO] [stdout] f21c565e59ff488fc12b75e4041d5b7f836ebcbf0e6cf853d8b6132460812d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0283341721d17024e6f50c886a98a1ce088d01e46d2e7170346c4902bb99197d
[INFO] running `Command { std: "docker" "start" "-a" "0283341721d17024e6f50c886a98a1ce088d01e46d2e7170346c4902bb99197d", 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 34.46s
[INFO] running `Command { std: "docker" "inspect" "0283341721d17024e6f50c886a98a1ce088d01e46d2e7170346c4902bb99197d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0283341721d17024e6f50c886a98a1ce088d01e46d2e7170346c4902bb99197d", kill_on_drop: false }`
[INFO] [stdout] 0283341721d17024e6f50c886a98a1ce088d01e46d2e7170346c4902bb99197d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84c25fefac73161b7974db02c0dc4018dfcc3563b2c9eda8e440f5ac1c22cdb0
[INFO] running `Command { std: "docker" "start" "-a" "84c25fefac73161b7974db02c0dc4018dfcc3563b2c9eda8e440f5ac1c22cdb0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-bb891284e83dfef6)
[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" "84c25fefac73161b7974db02c0dc4018dfcc3563b2c9eda8e440f5ac1c22cdb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c25fefac73161b7974db02c0dc4018dfcc3563b2c9eda8e440f5ac1c22cdb0", kill_on_drop: false }`
[INFO] [stdout] 84c25fefac73161b7974db02c0dc4018dfcc3563b2c9eda8e440f5ac1c22cdb0