[INFO] cloning repository https://github.com/MartialGeek/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/MartialGeek/rust-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartialGeek%2Frust-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartialGeek%2Frust-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e1ca7566821a1d878f41a775afa0814e237b9c7
[INFO] testing MartialGeek/rust-guessing-game against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartialGeek%2Frust-guessing-game" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MartialGeek/rust-guessing-game on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MartialGeek/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/MartialGeek/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/MartialGeek/rust-guessing-game written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/MartialGeek/rust-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceb4e2b2c7c75546fc2644d5c3166581f1f006f6c603d9494bc1ff991d3d92fc
[INFO] running `Command { std: "docker" "start" "-a" "ceb4e2b2c7c75546fc2644d5c3166581f1f006f6c603d9494bc1ff991d3d92fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceb4e2b2c7c75546fc2644d5c3166581f1f006f6c603d9494bc1ff991d3d92fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb4e2b2c7c75546fc2644d5c3166581f1f006f6c603d9494bc1ff991d3d92fc", kill_on_drop: false }`
[INFO] [stdout] ceb4e2b2c7c75546fc2644d5c3166581f1f006f6c603d9494bc1ff991d3d92fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caaeea69231f31d2fb1dc82f829efa6cd8bb4cdb0ccc28488670307f6531d3aa
[INFO] running `Command { std: "docker" "start" "-a" "caaeea69231f31d2fb1dc82f829efa6cd8bb4cdb0ccc28488670307f6531d3aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "caaeea69231f31d2fb1dc82f829efa6cd8bb4cdb0ccc28488670307f6531d3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caaeea69231f31d2fb1dc82f829efa6cd8bb4cdb0ccc28488670307f6531d3aa", kill_on_drop: false }`
[INFO] [stdout] caaeea69231f31d2fb1dc82f829efa6cd8bb4cdb0ccc28488670307f6531d3aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b268024d746f4c5872a1b645567e20d7ffc83cecc30ae4db403d8b4c1b66b5
[INFO] running `Command { std: "docker" "start" "-a" "93b268024d746f4c5872a1b645567e20d7ffc83cecc30ae4db403d8b4c1b66b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "93b268024d746f4c5872a1b645567e20d7ffc83cecc30ae4db403d8b4c1b66b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b268024d746f4c5872a1b645567e20d7ffc83cecc30ae4db403d8b4c1b66b5", kill_on_drop: false }`
[INFO] [stdout] 93b268024d746f4c5872a1b645567e20d7ffc83cecc30ae4db403d8b4c1b66b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0816ac6c7a1117524c764f3151788cf90c16a7a389e80e30e539d36ab5f4e6a
[INFO] running `Command { std: "docker" "start" "-a" "f0816ac6c7a1117524c764f3151788cf90c16a7a389e80e30e539d36ab5f4e6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-a144cf1670908f58)
[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" "f0816ac6c7a1117524c764f3151788cf90c16a7a389e80e30e539d36ab5f4e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0816ac6c7a1117524c764f3151788cf90c16a7a389e80e30e539d36ab5f4e6a", kill_on_drop: false }`
[INFO] [stdout] f0816ac6c7a1117524c764f3151788cf90c16a7a389e80e30e539d36ab5f4e6a