[INFO] updating cached repository krishan147/rust_guessinggame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krishan147/rust_guessinggame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krishan147/rust_guessinggame" "work/ex/beta-1.38-1/sources/1.37.0/gh/krishan147/rust_guessinggame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/krishan147/rust_guessinggame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krishan147/rust_guessinggame" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/krishan147/rust_guessinggame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/krishan147/rust_guessinggame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ec0d932eeddd2f1e560987a08970aad8fa855e2
[INFO] sha for GitHub repo krishan147/rust_guessinggame: 5ec0d932eeddd2f1e560987a08970aad8fa855e2
[INFO] validating manifest of krishan147/rust_guessinggame 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 krishan147/rust_guessinggame 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 krishan147/rust_guessinggame
[INFO] finished frobbing krishan147/rust_guessinggame
[INFO] frobbed toml for krishan147/rust_guessinggame written to work/ex/beta-1.38-1/sources/1.37.0/gh/krishan147/rust_guessinggame/Cargo.toml
[INFO] started frobbing krishan147/rust_guessinggame
[INFO] finished frobbing krishan147/rust_guessinggame
[INFO] frobbed toml for krishan147/rust_guessinggame written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/krishan147/rust_guessinggame/Cargo.toml
[INFO] crate krishan147/rust_guessinggame 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 krishan147/rust_guessinggame 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/krishan147/rust_guessinggame:/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] cda9ddeab24053432526787fe7d2ada945d99987126c9ad1501c95e696d49370
[INFO] running `"docker" "start" "-a" "cda9ddeab24053432526787fe7d2ada945d99987126c9ad1501c95e696d49370"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessinggame v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `"docker" "inspect" "cda9ddeab24053432526787fe7d2ada945d99987126c9ad1501c95e696d49370"`
[INFO] running `"docker" "rm" "-f" "cda9ddeab24053432526787fe7d2ada945d99987126c9ad1501c95e696d49370"`
[INFO] [stdout] cda9ddeab24053432526787fe7d2ada945d99987126c9ad1501c95e696d49370
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/krishan147/rust_guessinggame:/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] f715d4e91f53a3fb70762be5808ea271d4c9a6c88ffee4a179c4d2bcbf0839e5
[INFO] running `"docker" "start" "-a" "f715d4e91f53a3fb70762be5808ea271d4c9a6c88ffee4a179c4d2bcbf0839e5"`
[INFO] [stderr]    Compiling guessinggame v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "f715d4e91f53a3fb70762be5808ea271d4c9a6c88ffee4a179c4d2bcbf0839e5"`
[INFO] running `"docker" "rm" "-f" "f715d4e91f53a3fb70762be5808ea271d4c9a6c88ffee4a179c4d2bcbf0839e5"`
[INFO] [stdout] f715d4e91f53a3fb70762be5808ea271d4c9a6c88ffee4a179c4d2bcbf0839e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/krishan147/rust_guessinggame:/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] f220a1c2787222e9c9f6a9c086632851ff7e52b9eb7bd12f36f0c6b58fb3fa4c
[INFO] running `"docker" "start" "-a" "f220a1c2787222e9c9f6a9c086632851ff7e52b9eb7bd12f36f0c6b58fb3fa4c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessinggame-6594e8659d013622
[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" "f220a1c2787222e9c9f6a9c086632851ff7e52b9eb7bd12f36f0c6b58fb3fa4c"`
[INFO] running `"docker" "rm" "-f" "f220a1c2787222e9c9f6a9c086632851ff7e52b9eb7bd12f36f0c6b58fb3fa4c"`
[INFO] [stdout] f220a1c2787222e9c9f6a9c086632851ff7e52b9eb7bd12f36f0c6b58fb3fa4c