[INFO] updating cached repository drewvolz/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drewvolz/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drewvolz/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/drewvolz/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/drewvolz/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drewvolz/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drewvolz/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drewvolz/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6d386a61c7837710e34cd42412ca016b66b7597
[INFO] sha for GitHub repo drewvolz/guessing_game: e6d386a61c7837710e34cd42412ca016b66b7597
[INFO] validating manifest of drewvolz/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 drewvolz/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 drewvolz/guessing_game
[INFO] finished frobbing drewvolz/guessing_game
[INFO] frobbed toml for drewvolz/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/drewvolz/guessing_game/Cargo.toml
[INFO] started frobbing drewvolz/guessing_game
[INFO] finished frobbing drewvolz/guessing_game
[INFO] frobbed toml for drewvolz/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drewvolz/guessing_game/Cargo.toml
[INFO] crate drewvolz/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 drewvolz/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/drewvolz/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] 722de207c5f761766f7587843fb475986e7c0fa3e85d2e08010b06826c7b2037
[INFO] running `"docker" "start" "-a" "722de207c5f761766f7587843fb475986e7c0fa3e85d2e08010b06826c7b2037"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "722de207c5f761766f7587843fb475986e7c0fa3e85d2e08010b06826c7b2037"`
[INFO] running `"docker" "rm" "-f" "722de207c5f761766f7587843fb475986e7c0fa3e85d2e08010b06826c7b2037"`
[INFO] [stdout] 722de207c5f761766f7587843fb475986e7c0fa3e85d2e08010b06826c7b2037
[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/drewvolz/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] 6815b1ca5e47671e6df1cd47ecce8d96112a9db6b10ab3f83bf460f37efda3aa
[INFO] running `"docker" "start" "-a" "6815b1ca5e47671e6df1cd47ecce8d96112a9db6b10ab3f83bf460f37efda3aa"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "6815b1ca5e47671e6df1cd47ecce8d96112a9db6b10ab3f83bf460f37efda3aa"`
[INFO] running `"docker" "rm" "-f" "6815b1ca5e47671e6df1cd47ecce8d96112a9db6b10ab3f83bf460f37efda3aa"`
[INFO] [stdout] 6815b1ca5e47671e6df1cd47ecce8d96112a9db6b10ab3f83bf460f37efda3aa
[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/drewvolz/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] 258430fedd9da90c42491f310c7c2e22d4c0eaa09e0c32353bfb921db0e3d37e
[INFO] running `"docker" "start" "-a" "258430fedd9da90c42491f310c7c2e22d4c0eaa09e0c32353bfb921db0e3d37e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-f541d9417730ddce
[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" "258430fedd9da90c42491f310c7c2e22d4c0eaa09e0c32353bfb921db0e3d37e"`
[INFO] running `"docker" "rm" "-f" "258430fedd9da90c42491f310c7c2e22d4c0eaa09e0c32353bfb921db0e3d37e"`
[INFO] [stdout] 258430fedd9da90c42491f310c7c2e22d4c0eaa09e0c32353bfb921db0e3d37e