[INFO] crate guessing_game 0.1.2 is already in cache
[INFO] extracting crate guessing_game 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/guessing_game/0.1.2
[INFO] extracting crate guessing_game 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/guessing_game/0.1.2
[INFO] validating manifest of guessing_game-0.1.2 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 guessing_game-0.1.2 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 guessing_game-0.1.2
[INFO] finished frobbing guessing_game-0.1.2
[INFO] frobbed toml for guessing_game-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/guessing_game/0.1.2/Cargo.toml
[INFO] started frobbing guessing_game-0.1.2
[INFO] finished frobbing guessing_game-0.1.2
[INFO] frobbed toml for guessing_game-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/guessing_game/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 guessing_game-0.1.2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/guessing_game/0.1.2:/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] e832a0bf24a51269981493a27654a33f21fe6e43288ad244aac48bb373d76042
[INFO] running `"docker" "start" "-a" "e832a0bf24a51269981493a27654a33f21fe6e43288ad244aac48bb373d76042"`
[INFO] [stderr]    Compiling guessing_game v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "e832a0bf24a51269981493a27654a33f21fe6e43288ad244aac48bb373d76042"`
[INFO] running `"docker" "rm" "-f" "e832a0bf24a51269981493a27654a33f21fe6e43288ad244aac48bb373d76042"`
[INFO] [stdout] e832a0bf24a51269981493a27654a33f21fe6e43288ad244aac48bb373d76042
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/guessing_game/0.1.2:/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] 54b09150976539d4317f56a8eae3700887cfc0efc9c77e6c95aff95a547c6f60
[INFO] running `"docker" "start" "-a" "54b09150976539d4317f56a8eae3700887cfc0efc9c77e6c95aff95a547c6f60"`
[INFO] [stderr]    Compiling guessing_game v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "54b09150976539d4317f56a8eae3700887cfc0efc9c77e6c95aff95a547c6f60"`
[INFO] running `"docker" "rm" "-f" "54b09150976539d4317f56a8eae3700887cfc0efc9c77e6c95aff95a547c6f60"`
[INFO] [stdout] 54b09150976539d4317f56a8eae3700887cfc0efc9c77e6c95aff95a547c6f60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/guessing_game/0.1.2:/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] df126cf7a3d95554656d11082e5a60a71e5ddcc16adfb5405917590933c339ca
[INFO] running `"docker" "start" "-a" "df126cf7a3d95554656d11082e5a60a71e5ddcc16adfb5405917590933c339ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-4aca3cdec4b5cf0d
[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" "df126cf7a3d95554656d11082e5a60a71e5ddcc16adfb5405917590933c339ca"`
[INFO] running `"docker" "rm" "-f" "df126cf7a3d95554656d11082e5a60a71e5ddcc16adfb5405917590933c339ca"`
[INFO] [stdout] df126cf7a3d95554656d11082e5a60a71e5ddcc16adfb5405917590933c339ca