[INFO] updating cached repository kristianwilson/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kristianwilson/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kristianwilson/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/kristianwilson/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kristianwilson/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kristianwilson/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kristianwilson/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kristianwilson/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc5967925c5e6ede8ee8e6fcaacca6c07de45347
[INFO] sha for GitHub repo kristianwilson/guessing_game: cc5967925c5e6ede8ee8e6fcaacca6c07de45347
[INFO] validating manifest of kristianwilson/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 kristianwilson/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 kristianwilson/guessing_game
[INFO] finished frobbing kristianwilson/guessing_game
[INFO] frobbed toml for kristianwilson/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/kristianwilson/guessing_game/Cargo.toml
[INFO] started frobbing kristianwilson/guessing_game
[INFO] finished frobbing kristianwilson/guessing_game
[INFO] frobbed toml for kristianwilson/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kristianwilson/guessing_game/Cargo.toml
[INFO] crate kristianwilson/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 kristianwilson/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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kristianwilson/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] 2230ba49f6f57f5947f356225aa707d2568b3a91b68c75e2c77e2a1b03fe097f
[INFO] running `"docker" "start" "-a" "2230ba49f6f57f5947f356225aa707d2568b3a91b68c75e2c77e2a1b03fe097f"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `"docker" "inspect" "2230ba49f6f57f5947f356225aa707d2568b3a91b68c75e2c77e2a1b03fe097f"`
[INFO] running `"docker" "rm" "-f" "2230ba49f6f57f5947f356225aa707d2568b3a91b68c75e2c77e2a1b03fe097f"`
[INFO] [stdout] 2230ba49f6f57f5947f356225aa707d2568b3a91b68c75e2c77e2a1b03fe097f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kristianwilson/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] afaa42f43c6d89aeb90b8d2065ef6d14825624277ef6c139fc6e9d5286d0bd35
[INFO] running `"docker" "start" "-a" "afaa42f43c6d89aeb90b8d2065ef6d14825624277ef6c139fc6e9d5286d0bd35"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "afaa42f43c6d89aeb90b8d2065ef6d14825624277ef6c139fc6e9d5286d0bd35"`
[INFO] running `"docker" "rm" "-f" "afaa42f43c6d89aeb90b8d2065ef6d14825624277ef6c139fc6e9d5286d0bd35"`
[INFO] [stdout] afaa42f43c6d89aeb90b8d2065ef6d14825624277ef6c139fc6e9d5286d0bd35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kristianwilson/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] b5d1dd2ae63a4c8098e998ec20fe810ac0c7c5ce5f8643374d1cf66f69bad842
[INFO] running `"docker" "start" "-a" "b5d1dd2ae63a4c8098e998ec20fe810ac0c7c5ce5f8643374d1cf66f69bad842"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-5d4c308c95ca6848
[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" "b5d1dd2ae63a4c8098e998ec20fe810ac0c7c5ce5f8643374d1cf66f69bad842"`
[INFO] running `"docker" "rm" "-f" "b5d1dd2ae63a4c8098e998ec20fe810ac0c7c5ce5f8643374d1cf66f69bad842"`
[INFO] [stdout] b5d1dd2ae63a4c8098e998ec20fe810ac0c7c5ce5f8643374d1cf66f69bad842