[INFO] updating cached repository MuhammadAliKhan1/guessing-game-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MuhammadAliKhan1/guessing-game-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MuhammadAliKhan1/guessing-game-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MuhammadAliKhan1/guessing-game-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MuhammadAliKhan1/guessing-game-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MuhammadAliKhan1/guessing-game-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d88d80819ac32e163e610155febd9cfdcb63551
[INFO] sha for GitHub repo MuhammadAliKhan1/guessing-game-rust: 1d88d80819ac32e163e610155febd9cfdcb63551
[INFO] validating manifest of MuhammadAliKhan1/guessing-game-rust 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 MuhammadAliKhan1/guessing-game-rust 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 MuhammadAliKhan1/guessing-game-rust
[INFO] finished frobbing MuhammadAliKhan1/guessing-game-rust
[INFO] frobbed toml for MuhammadAliKhan1/guessing-game-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/guessing-game-rust/Cargo.toml
[INFO] started frobbing MuhammadAliKhan1/guessing-game-rust
[INFO] finished frobbing MuhammadAliKhan1/guessing-game-rust
[INFO] frobbed toml for MuhammadAliKhan1/guessing-game-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MuhammadAliKhan1/guessing-game-rust/Cargo.toml
[INFO] crate MuhammadAliKhan1/guessing-game-rust 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 MuhammadAliKhan1/guessing-game-rust 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-0/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/MuhammadAliKhan1/guessing-game-rust:/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] 96ae9a5fd58dcecaa2a516154fa37d720d00198c3f0e6c109eb580b9d666841f
[INFO] running `"docker" "start" "-a" "96ae9a5fd58dcecaa2a516154fa37d720d00198c3f0e6c109eb580b9d666841f"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "96ae9a5fd58dcecaa2a516154fa37d720d00198c3f0e6c109eb580b9d666841f"`
[INFO] running `"docker" "rm" "-f" "96ae9a5fd58dcecaa2a516154fa37d720d00198c3f0e6c109eb580b9d666841f"`
[INFO] [stdout] 96ae9a5fd58dcecaa2a516154fa37d720d00198c3f0e6c109eb580b9d666841f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/MuhammadAliKhan1/guessing-game-rust:/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] da068f9f080b0719e83b8311e136287aee2e3a3bb43ca6cdfc4362621f983a33
[INFO] running `"docker" "start" "-a" "da068f9f080b0719e83b8311e136287aee2e3a3bb43ca6cdfc4362621f983a33"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "da068f9f080b0719e83b8311e136287aee2e3a3bb43ca6cdfc4362621f983a33"`
[INFO] running `"docker" "rm" "-f" "da068f9f080b0719e83b8311e136287aee2e3a3bb43ca6cdfc4362621f983a33"`
[INFO] [stdout] da068f9f080b0719e83b8311e136287aee2e3a3bb43ca6cdfc4362621f983a33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/MuhammadAliKhan1/guessing-game-rust:/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] c9b91bbf7e0743e9b3932f8d55689ff324b4faf02bba552d72a51abc6c531b77
[INFO] running `"docker" "start" "-a" "c9b91bbf7e0743e9b3932f8d55689ff324b4faf02bba552d72a51abc6c531b77"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-c497fdf8a0382e32
[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" "c9b91bbf7e0743e9b3932f8d55689ff324b4faf02bba552d72a51abc6c531b77"`
[INFO] running `"docker" "rm" "-f" "c9b91bbf7e0743e9b3932f8d55689ff324b4faf02bba552d72a51abc6c531b77"`
[INFO] [stdout] c9b91bbf7e0743e9b3932f8d55689ff324b4faf02bba552d72a51abc6c531b77