[INFO] cloning repository https://github.com/kevinquillen/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/kevinquillen/guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinquillen%2Fguessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinquillen%2Fguessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 948698cb39a7547f5f08bfc19731b1fd3b211e49
[INFO] testing kevinquillen/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%2Fkevinquillen%2Fguessing-game" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinquillen/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/kevinquillen/guessing-game
[INFO] finished tweaking git repo https://github.com/kevinquillen/guessing-game
[INFO] tweaked toml for git repo https://github.com/kevinquillen/guessing-game written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinquillen/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bc27c25414bc5dd0fc3238d909f1db042ab42ce07ae810927a6603f0922017a8
[INFO] running `Command { std: "docker" "start" "-a" "bc27c25414bc5dd0fc3238d909f1db042ab42ce07ae810927a6603f0922017a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc27c25414bc5dd0fc3238d909f1db042ab42ce07ae810927a6603f0922017a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc27c25414bc5dd0fc3238d909f1db042ab42ce07ae810927a6603f0922017a8", kill_on_drop: false }`
[INFO] [stdout] bc27c25414bc5dd0fc3238d909f1db042ab42ce07ae810927a6603f0922017a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4cc4e8b3b4abf9887f7ac211bd65cc4a3ef190f9de45fe5f7be9ae60a3a86c49
[INFO] running `Command { std: "docker" "start" "-a" "4cc4e8b3b4abf9887f7ac211bd65cc4a3ef190f9de45fe5f7be9ae60a3a86c49", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "4cc4e8b3b4abf9887f7ac211bd65cc4a3ef190f9de45fe5f7be9ae60a3a86c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc4e8b3b4abf9887f7ac211bd65cc4a3ef190f9de45fe5f7be9ae60a3a86c49", kill_on_drop: false }`
[INFO] [stdout] 4cc4e8b3b4abf9887f7ac211bd65cc4a3ef190f9de45fe5f7be9ae60a3a86c49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3de505717a4b4bed2b00116d73b195b4e5219e30ad55cfa7d1a8c8f9d3e988c1
[INFO] running `Command { std: "docker" "start" "-a" "3de505717a4b4bed2b00116d73b195b4e5219e30ad55cfa7d1a8c8f9d3e988c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "3de505717a4b4bed2b00116d73b195b4e5219e30ad55cfa7d1a8c8f9d3e988c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de505717a4b4bed2b00116d73b195b4e5219e30ad55cfa7d1a8c8f9d3e988c1", kill_on_drop: false }`
[INFO] [stdout] 3de505717a4b4bed2b00116d73b195b4e5219e30ad55cfa7d1a8c8f9d3e988c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 466795e4a5e1796211f0fdcf0a5ed5560afdb3bffea1a08713d0b670c4c022b1
[INFO] running `Command { std: "docker" "start" "-a" "466795e4a5e1796211f0fdcf0a5ed5560afdb3bffea1a08713d0b670c4c022b1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-8200f7facf8f7c4e)
[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" "466795e4a5e1796211f0fdcf0a5ed5560afdb3bffea1a08713d0b670c4c022b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466795e4a5e1796211f0fdcf0a5ed5560afdb3bffea1a08713d0b670c4c022b1", kill_on_drop: false }`
[INFO] [stdout] 466795e4a5e1796211f0fdcf0a5ed5560afdb3bffea1a08713d0b670c4c022b1