[INFO] cloning repository https://github.com/michaelobi99/rustlang-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelobi99/rustlang-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelobi99%2Frustlang-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelobi99%2Frustlang-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4be12d7c782e14c056c23e447003236883c438ef
[INFO] testing michaelobi99/rustlang-exercises 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%2Fmichaelobi99%2Frustlang-exercises" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelobi99/rustlang-exercises 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/michaelobi99/rustlang-exercises
[INFO] finished tweaking git repo https://github.com/michaelobi99/rustlang-exercises
[INFO] tweaked toml for git repo https://github.com/michaelobi99/rustlang-exercises written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelobi99/rustlang-exercises 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] [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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 4f0047c56801c16d18429e40f0c6b2b57d56753b9aad6e17e475ae1c5092aede
[INFO] running `Command { std: "docker" "start" "-a" "4f0047c56801c16d18429e40f0c6b2b57d56753b9aad6e17e475ae1c5092aede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0047c56801c16d18429e40f0c6b2b57d56753b9aad6e17e475ae1c5092aede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0047c56801c16d18429e40f0c6b2b57d56753b9aad6e17e475ae1c5092aede", kill_on_drop: false }`
[INFO] [stdout] 4f0047c56801c16d18429e40f0c6b2b57d56753b9aad6e17e475ae1c5092aede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 2ea9286968680c1b36018654a6fbec8322258037df7ab4efee50c1ee31bdcc87
[INFO] running `Command { std: "docker" "start" "-a" "2ea9286968680c1b36018654a6fbec8322258037df7ab4efee50c1ee31bdcc87", 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 dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "2ea9286968680c1b36018654a6fbec8322258037df7ab4efee50c1ee31bdcc87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea9286968680c1b36018654a6fbec8322258037df7ab4efee50c1ee31bdcc87", kill_on_drop: false }`
[INFO] [stdout] 2ea9286968680c1b36018654a6fbec8322258037df7ab4efee50c1ee31bdcc87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 035a93e00145f2797184fbf043ae97df8d0fd03fa376a45d56e7f631691a9177
[INFO] running `Command { std: "docker" "start" "-a" "035a93e00145f2797184fbf043ae97df8d0fd03fa376a45d56e7f631691a9177", 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 1.06s
[INFO] running `Command { std: "docker" "inspect" "035a93e00145f2797184fbf043ae97df8d0fd03fa376a45d56e7f631691a9177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035a93e00145f2797184fbf043ae97df8d0fd03fa376a45d56e7f631691a9177", kill_on_drop: false }`
[INFO] [stdout] 035a93e00145f2797184fbf043ae97df8d0fd03fa376a45d56e7f631691a9177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 5e5b6b7939422b64a5c8a28894946462ea451dc7cf0bb739ebfb78d4969caa09
[INFO] running `Command { std: "docker" "start" "-a" "5e5b6b7939422b64a5c8a28894946462ea451dc7cf0bb739ebfb78d4969caa09", 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-cc11769815726503)
[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" "5e5b6b7939422b64a5c8a28894946462ea451dc7cf0bb739ebfb78d4969caa09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5b6b7939422b64a5c8a28894946462ea451dc7cf0bb739ebfb78d4969caa09", kill_on_drop: false }`
[INFO] [stdout] 5e5b6b7939422b64a5c8a28894946462ea451dc7cf0bb739ebfb78d4969caa09