[INFO] updating cached repository kumaranvpl/guessing_game_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kumaranvpl/guessing_game_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kumaranvpl/guessing_game_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/kumaranvpl/guessing_game_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kumaranvpl/guessing_game_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kumaranvpl/guessing_game_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kumaranvpl/guessing_game_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kumaranvpl/guessing_game_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f23f301896baff42b767eafe0d8dd9a81d938ea
[INFO] sha for GitHub repo kumaranvpl/guessing_game_rust: 7f23f301896baff42b767eafe0d8dd9a81d938ea
[INFO] validating manifest of kumaranvpl/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 kumaranvpl/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 kumaranvpl/guessing_game_rust
[INFO] finished frobbing kumaranvpl/guessing_game_rust
[INFO] frobbed toml for kumaranvpl/guessing_game_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/kumaranvpl/guessing_game_rust/Cargo.toml
[INFO] started frobbing kumaranvpl/guessing_game_rust
[INFO] finished frobbing kumaranvpl/guessing_game_rust
[INFO] frobbed toml for kumaranvpl/guessing_game_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kumaranvpl/guessing_game_rust/Cargo.toml
[INFO] crate kumaranvpl/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 kumaranvpl/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/kumaranvpl/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] b2e1824af09aa9a6c1d07d4c0dc15a62b0e5bb6dc8e87b33c724ac2ab9232bfc
[INFO] running `"docker" "start" "-a" "b2e1824af09aa9a6c1d07d4c0dc15a62b0e5bb6dc8e87b33c724ac2ab9232bfc"`
[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" "b2e1824af09aa9a6c1d07d4c0dc15a62b0e5bb6dc8e87b33c724ac2ab9232bfc"`
[INFO] running `"docker" "rm" "-f" "b2e1824af09aa9a6c1d07d4c0dc15a62b0e5bb6dc8e87b33c724ac2ab9232bfc"`
[INFO] [stdout] b2e1824af09aa9a6c1d07d4c0dc15a62b0e5bb6dc8e87b33c724ac2ab9232bfc
[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/kumaranvpl/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] b48c9ec77653337dcc6b8f44625061050625f5c5501cadc3e431f6bbf7805cb6
[INFO] running `"docker" "start" "-a" "b48c9ec77653337dcc6b8f44625061050625f5c5501cadc3e431f6bbf7805cb6"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "b48c9ec77653337dcc6b8f44625061050625f5c5501cadc3e431f6bbf7805cb6"`
[INFO] running `"docker" "rm" "-f" "b48c9ec77653337dcc6b8f44625061050625f5c5501cadc3e431f6bbf7805cb6"`
[INFO] [stdout] b48c9ec77653337dcc6b8f44625061050625f5c5501cadc3e431f6bbf7805cb6
[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/kumaranvpl/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] 60a403f597dea7a82eb14ba1f2e0d6f3a4beab118532daadc659708e4d609a8a
[INFO] running `"docker" "start" "-a" "60a403f597dea7a82eb14ba1f2e0d6f3a4beab118532daadc659708e4d609a8a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-cf0bf514fd7c5659
[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" "60a403f597dea7a82eb14ba1f2e0d6f3a4beab118532daadc659708e4d609a8a"`
[INFO] running `"docker" "rm" "-f" "60a403f597dea7a82eb14ba1f2e0d6f3a4beab118532daadc659708e4d609a8a"`
[INFO] [stdout] 60a403f597dea7a82eb14ba1f2e0d6f3a4beab118532daadc659708e4d609a8a