[INFO] updating cached repository tfrench15/rust-learn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tfrench15/rust-learn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tfrench15/rust-learn" "work/ex/beta-1.38-1/sources/1.37.0/gh/tfrench15/rust-learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tfrench15/rust-learn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tfrench15/rust-learn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tfrench15/rust-learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tfrench15/rust-learn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1172266d169010ffeae8da78d9b4119371d86675
[INFO] sha for GitHub repo tfrench15/rust-learn: 1172266d169010ffeae8da78d9b4119371d86675
[INFO] validating manifest of tfrench15/rust-learn 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 tfrench15/rust-learn 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 tfrench15/rust-learn
[INFO] finished frobbing tfrench15/rust-learn
[INFO] frobbed toml for tfrench15/rust-learn written to work/ex/beta-1.38-1/sources/1.37.0/gh/tfrench15/rust-learn/Cargo.toml
[INFO] started frobbing tfrench15/rust-learn
[INFO] finished frobbing tfrench15/rust-learn
[INFO] frobbed toml for tfrench15/rust-learn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tfrench15/rust-learn/Cargo.toml
[INFO] crate tfrench15/rust-learn 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 tfrench15/rust-learn against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tfrench15/rust-learn:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2dce13435443d357a3e9e91b1254dd481e4aafbaf5c12fc65a587f336c9fd5d0
[INFO] running `"docker" "start" "-a" "2dce13435443d357a3e9e91b1254dd481e4aafbaf5c12fc65a587f336c9fd5d0"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "2dce13435443d357a3e9e91b1254dd481e4aafbaf5c12fc65a587f336c9fd5d0"`
[INFO] running `"docker" "rm" "-f" "2dce13435443d357a3e9e91b1254dd481e4aafbaf5c12fc65a587f336c9fd5d0"`
[INFO] [stdout] 2dce13435443d357a3e9e91b1254dd481e4aafbaf5c12fc65a587f336c9fd5d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tfrench15/rust-learn:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 79318adf1ed9bc52713c339ef0a53662d9e25d4db69796428a200b4f7fd7932b
[INFO] running `"docker" "start" "-a" "79318adf1ed9bc52713c339ef0a53662d9e25d4db69796428a200b4f7fd7932b"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "79318adf1ed9bc52713c339ef0a53662d9e25d4db69796428a200b4f7fd7932b"`
[INFO] running `"docker" "rm" "-f" "79318adf1ed9bc52713c339ef0a53662d9e25d4db69796428a200b4f7fd7932b"`
[INFO] [stdout] 79318adf1ed9bc52713c339ef0a53662d9e25d4db69796428a200b4f7fd7932b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tfrench15/rust-learn:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f56f45c3e205ec77485c3f8b52f2f2ef2ce264fe1670b7b5dd979a14f2329a2b
[INFO] running `"docker" "start" "-a" "f56f45c3e205ec77485c3f8b52f2f2ef2ce264fe1670b7b5dd979a14f2329a2b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-0b40dc66160f992c
[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" "f56f45c3e205ec77485c3f8b52f2f2ef2ce264fe1670b7b5dd979a14f2329a2b"`
[INFO] running `"docker" "rm" "-f" "f56f45c3e205ec77485c3f8b52f2f2ef2ce264fe1670b7b5dd979a14f2329a2b"`
[INFO] [stdout] f56f45c3e205ec77485c3f8b52f2f2ef2ce264fe1670b7b5dd979a14f2329a2b