[INFO] updating cached repository luizgzn/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luizgzn/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luizgzn/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/luizgzn/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luizgzn/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luizgzn/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luizgzn/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luizgzn/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] baff236b8536c57b8e2ae22fd3eef9ef6d4f609e
[INFO] sha for GitHub repo luizgzn/guessing_game: baff236b8536c57b8e2ae22fd3eef9ef6d4f609e
[INFO] validating manifest of luizgzn/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 luizgzn/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 luizgzn/guessing_game
[INFO] finished frobbing luizgzn/guessing_game
[INFO] frobbed toml for luizgzn/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/luizgzn/guessing_game/Cargo.toml
[INFO] started frobbing luizgzn/guessing_game
[INFO] finished frobbing luizgzn/guessing_game
[INFO] frobbed toml for luizgzn/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luizgzn/guessing_game/Cargo.toml
[INFO] crate luizgzn/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 luizgzn/guessing_game 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luizgzn/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f41c1614739f8355809e01301e0e048eb3d6455cb6c4b2bda2f4c5ba109e7b98
[INFO] running `"docker" "start" "-a" "f41c1614739f8355809e01301e0e048eb3d6455cb6c4b2bda2f4c5ba109e7b98"`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `"docker" "inspect" "f41c1614739f8355809e01301e0e048eb3d6455cb6c4b2bda2f4c5ba109e7b98"`
[INFO] running `"docker" "rm" "-f" "f41c1614739f8355809e01301e0e048eb3d6455cb6c4b2bda2f4c5ba109e7b98"`
[INFO] [stdout] f41c1614739f8355809e01301e0e048eb3d6455cb6c4b2bda2f4c5ba109e7b98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luizgzn/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a8b80e999c557628174d3884eea7af43b0a1a11cc848a7857f2e3d6b34697a1
[INFO] running `"docker" "start" "-a" "9a8b80e999c557628174d3884eea7af43b0a1a11cc848a7857f2e3d6b34697a1"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "9a8b80e999c557628174d3884eea7af43b0a1a11cc848a7857f2e3d6b34697a1"`
[INFO] running `"docker" "rm" "-f" "9a8b80e999c557628174d3884eea7af43b0a1a11cc848a7857f2e3d6b34697a1"`
[INFO] [stdout] 9a8b80e999c557628174d3884eea7af43b0a1a11cc848a7857f2e3d6b34697a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luizgzn/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f6781fbf5d86f032aa1b440239bf37b5fc4bc73338835732d2048eae23da7a28
[INFO] running `"docker" "start" "-a" "f6781fbf5d86f032aa1b440239bf37b5fc4bc73338835732d2048eae23da7a28"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-b9867c6b63faa826
[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" "f6781fbf5d86f032aa1b440239bf37b5fc4bc73338835732d2048eae23da7a28"`
[INFO] running `"docker" "rm" "-f" "f6781fbf5d86f032aa1b440239bf37b5fc4bc73338835732d2048eae23da7a28"`
[INFO] [stdout] f6781fbf5d86f032aa1b440239bf37b5fc4bc73338835732d2048eae23da7a28