[INFO] updating cached repository jjmax75/rust-book-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jjmax75/rust-book-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jjmax75/rust-book-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/jjmax75/rust-book-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jjmax75/rust-book-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jjmax75/rust-book-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jjmax75/rust-book-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jjmax75/rust-book-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3cea4975dd10eb23c04aabec556b9ae0345745a1
[INFO] sha for GitHub repo jjmax75/rust-book-guessing-game: 3cea4975dd10eb23c04aabec556b9ae0345745a1
[INFO] validating manifest of jjmax75/rust-book-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 jjmax75/rust-book-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 jjmax75/rust-book-guessing-game
[INFO] finished frobbing jjmax75/rust-book-guessing-game
[INFO] frobbed toml for jjmax75/rust-book-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/jjmax75/rust-book-guessing-game/Cargo.toml
[INFO] started frobbing jjmax75/rust-book-guessing-game
[INFO] finished frobbing jjmax75/rust-book-guessing-game
[INFO] frobbed toml for jjmax75/rust-book-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jjmax75/rust-book-guessing-game/Cargo.toml
[INFO] crate jjmax75/rust-book-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 jjmax75/rust-book-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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jjmax75/rust-book-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] a8f014b4ddbe3aee9610d2be8e6aaf6d7c557633318a60734f2edd64bcf5d452
[INFO] running `"docker" "start" "-a" "a8f014b4ddbe3aee9610d2be8e6aaf6d7c557633318a60734f2edd64bcf5d452"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "a8f014b4ddbe3aee9610d2be8e6aaf6d7c557633318a60734f2edd64bcf5d452"`
[INFO] running `"docker" "rm" "-f" "a8f014b4ddbe3aee9610d2be8e6aaf6d7c557633318a60734f2edd64bcf5d452"`
[INFO] [stdout] a8f014b4ddbe3aee9610d2be8e6aaf6d7c557633318a60734f2edd64bcf5d452
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jjmax75/rust-book-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] 208ce2c64679744a1b7620ed4a50d0c98062a6c02aa6373ccf94bcb8b2620a85
[INFO] running `"docker" "start" "-a" "208ce2c64679744a1b7620ed4a50d0c98062a6c02aa6373ccf94bcb8b2620a85"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "208ce2c64679744a1b7620ed4a50d0c98062a6c02aa6373ccf94bcb8b2620a85"`
[INFO] running `"docker" "rm" "-f" "208ce2c64679744a1b7620ed4a50d0c98062a6c02aa6373ccf94bcb8b2620a85"`
[INFO] [stdout] 208ce2c64679744a1b7620ed4a50d0c98062a6c02aa6373ccf94bcb8b2620a85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jjmax75/rust-book-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] ae35a1733f24a3b4defdc8c61759aa63939f5d16ec8a97d184468d47c10dbeeb
[INFO] running `"docker" "start" "-a" "ae35a1733f24a3b4defdc8c61759aa63939f5d16ec8a97d184468d47c10dbeeb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-dc32467b8649315c
[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" "ae35a1733f24a3b4defdc8c61759aa63939f5d16ec8a97d184468d47c10dbeeb"`
[INFO] running `"docker" "rm" "-f" "ae35a1733f24a3b4defdc8c61759aa63939f5d16ec8a97d184468d47c10dbeeb"`
[INFO] [stdout] ae35a1733f24a3b4defdc8c61759aa63939f5d16ec8a97d184468d47c10dbeeb