[INFO] updating cached repository alexandrebodin/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexandrebodin/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandrebodin/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexandrebodin/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexandrebodin/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandrebodin/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandrebodin/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandrebodin/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 307865a78e2d8fd7ace6e5a01c6bdf5f68adf112
[INFO] sha for GitHub repo alexandrebodin/guessing_game: 307865a78e2d8fd7ace6e5a01c6bdf5f68adf112
[INFO] validating manifest of alexandrebodin/guessing_game on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alexandrebodin/guessing_game on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alexandrebodin/guessing_game
[INFO] finished frobbing alexandrebodin/guessing_game
[INFO] frobbed toml for alexandrebodin/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexandrebodin/guessing_game/Cargo.toml
[INFO] started frobbing alexandrebodin/guessing_game
[INFO] finished frobbing alexandrebodin/guessing_game
[INFO] frobbed toml for alexandrebodin/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandrebodin/guessing_game/Cargo.toml
[INFO] crate alexandrebodin/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexandrebodin/guessing_game against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandrebodin/guessing_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4dd06c3603d524efa3dbc3ef7474d9e7d66d43587a0caf5f45a0b3e72efee632
[INFO] running `"docker" "start" "-a" "4dd06c3603d524efa3dbc3ef7474d9e7d66d43587a0caf5f45a0b3e72efee632"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "4dd06c3603d524efa3dbc3ef7474d9e7d66d43587a0caf5f45a0b3e72efee632"`
[INFO] running `"docker" "rm" "-f" "4dd06c3603d524efa3dbc3ef7474d9e7d66d43587a0caf5f45a0b3e72efee632"`
[INFO] [stdout] 4dd06c3603d524efa3dbc3ef7474d9e7d66d43587a0caf5f45a0b3e72efee632
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandrebodin/guessing_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cbc7243787dfe0832c5f5b7a3e0cc0dde1a4f2e93786cc75725fd6bbbf79d899
[INFO] running `"docker" "start" "-a" "cbc7243787dfe0832c5f5b7a3e0cc0dde1a4f2e93786cc75725fd6bbbf79d899"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "cbc7243787dfe0832c5f5b7a3e0cc0dde1a4f2e93786cc75725fd6bbbf79d899"`
[INFO] running `"docker" "rm" "-f" "cbc7243787dfe0832c5f5b7a3e0cc0dde1a4f2e93786cc75725fd6bbbf79d899"`
[INFO] [stdout] cbc7243787dfe0832c5f5b7a3e0cc0dde1a4f2e93786cc75725fd6bbbf79d899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandrebodin/guessing_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ec209e16bf3629a85cf8e4bd81ac2edf41ed5a85ada559b70c0994e14c24deb5
[INFO] running `"docker" "start" "-a" "ec209e16bf3629a85cf8e4bd81ac2edf41ed5a85ada559b70c0994e14c24deb5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-c1cadecb983ba676
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ec209e16bf3629a85cf8e4bd81ac2edf41ed5a85ada559b70c0994e14c24deb5"`
[INFO] running `"docker" "rm" "-f" "ec209e16bf3629a85cf8e4bd81ac2edf41ed5a85ada559b70c0994e14c24deb5"`
[INFO] [stdout] ec209e16bf3629a85cf8e4bd81ac2edf41ed5a85ada559b70c0994e14c24deb5