[INFO] updating cached repository UnHumbleBen/Guessing-Game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/UnHumbleBen/Guessing-Game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/UnHumbleBen/Guessing-Game" "work/ex/beta-1.38-1/sources/1.37.0/gh/UnHumbleBen/Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/UnHumbleBen/Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/UnHumbleBen/Guessing-Game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/UnHumbleBen/Guessing-Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/UnHumbleBen/Guessing-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2dd349aeb2e29f1e3d1020402c16ac0ce5dd3bd5
[INFO] sha for GitHub repo UnHumbleBen/Guessing-Game: 2dd349aeb2e29f1e3d1020402c16ac0ce5dd3bd5
[INFO] validating manifest of UnHumbleBen/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 UnHumbleBen/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 UnHumbleBen/Guessing-Game
[INFO] finished frobbing UnHumbleBen/Guessing-Game
[INFO] frobbed toml for UnHumbleBen/Guessing-Game written to work/ex/beta-1.38-1/sources/1.37.0/gh/UnHumbleBen/Guessing-Game/Cargo.toml
[INFO] started frobbing UnHumbleBen/Guessing-Game
[INFO] finished frobbing UnHumbleBen/Guessing-Game
[INFO] frobbed toml for UnHumbleBen/Guessing-Game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/UnHumbleBen/Guessing-Game/Cargo.toml
[INFO] crate UnHumbleBen/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 UnHumbleBen/Guessing-Game 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/UnHumbleBen/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 097e24118e17f1f680a54b723cb1436004cd3c29dfcb81754924e6fe43de6c1f
[INFO] running `"docker" "start" "-a" "097e24118e17f1f680a54b723cb1436004cd3c29dfcb81754924e6fe43de6c1f"`
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "097e24118e17f1f680a54b723cb1436004cd3c29dfcb81754924e6fe43de6c1f"`
[INFO] running `"docker" "rm" "-f" "097e24118e17f1f680a54b723cb1436004cd3c29dfcb81754924e6fe43de6c1f"`
[INFO] [stdout] 097e24118e17f1f680a54b723cb1436004cd3c29dfcb81754924e6fe43de6c1f
[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/UnHumbleBen/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c130a55bdf9ae6a32827ec0efff24bd57b5ce578e4a9fcd16d36d21e593ec2d8
[INFO] running `"docker" "start" "-a" "c130a55bdf9ae6a32827ec0efff24bd57b5ce578e4a9fcd16d36d21e593ec2d8"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "c130a55bdf9ae6a32827ec0efff24bd57b5ce578e4a9fcd16d36d21e593ec2d8"`
[INFO] running `"docker" "rm" "-f" "c130a55bdf9ae6a32827ec0efff24bd57b5ce578e4a9fcd16d36d21e593ec2d8"`
[INFO] [stdout] c130a55bdf9ae6a32827ec0efff24bd57b5ce578e4a9fcd16d36d21e593ec2d8
[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/UnHumbleBen/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] af244641c9f700674b16a7cfaf6b6ca4883e47cb3da40bcc6b83a93fb99bdfae
[INFO] running `"docker" "start" "-a" "af244641c9f700674b16a7cfaf6b6ca4883e47cb3da40bcc6b83a93fb99bdfae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-83f95de530eb3036
[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" "af244641c9f700674b16a7cfaf6b6ca4883e47cb3da40bcc6b83a93fb99bdfae"`
[INFO] running `"docker" "rm" "-f" "af244641c9f700674b16a7cfaf6b6ca4883e47cb3da40bcc6b83a93fb99bdfae"`
[INFO] [stdout] af244641c9f700674b16a7cfaf6b6ca4883e47cb3da40bcc6b83a93fb99bdfae