[INFO] updating cached repository DeltaCoding/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DeltaCoding/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DeltaCoding/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/DeltaCoding/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DeltaCoding/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DeltaCoding/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DeltaCoding/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DeltaCoding/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 743d9df6a00ea649b7f2decd898cbe2512277cc8
[INFO] sha for GitHub repo DeltaCoding/guessing_game: 743d9df6a00ea649b7f2decd898cbe2512277cc8
[INFO] validating manifest of DeltaCoding/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 DeltaCoding/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 DeltaCoding/guessing_game
[INFO] finished frobbing DeltaCoding/guessing_game
[INFO] frobbed toml for DeltaCoding/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/DeltaCoding/guessing_game/Cargo.toml
[INFO] started frobbing DeltaCoding/guessing_game
[INFO] finished frobbing DeltaCoding/guessing_game
[INFO] frobbed toml for DeltaCoding/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DeltaCoding/guessing_game/Cargo.toml
[INFO] crate DeltaCoding/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing DeltaCoding/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/DeltaCoding/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] 041db20ed6ab3fae9df799d56f7f7400bd1a5c0f8a9652f8032b5dd3d4704136
[INFO] running `"docker" "start" "-a" "041db20ed6ab3fae9df799d56f7f7400bd1a5c0f8a9652f8032b5dd3d4704136"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "041db20ed6ab3fae9df799d56f7f7400bd1a5c0f8a9652f8032b5dd3d4704136"`
[INFO] running `"docker" "rm" "-f" "041db20ed6ab3fae9df799d56f7f7400bd1a5c0f8a9652f8032b5dd3d4704136"`
[INFO] [stdout] 041db20ed6ab3fae9df799d56f7f7400bd1a5c0f8a9652f8032b5dd3d4704136
[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/DeltaCoding/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] c965531b10b5958dc5b774cfdc04f078d7e1b106da84084e7d08cd7558fc123b
[INFO] running `"docker" "start" "-a" "c965531b10b5958dc5b774cfdc04f078d7e1b106da84084e7d08cd7558fc123b"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "c965531b10b5958dc5b774cfdc04f078d7e1b106da84084e7d08cd7558fc123b"`
[INFO] running `"docker" "rm" "-f" "c965531b10b5958dc5b774cfdc04f078d7e1b106da84084e7d08cd7558fc123b"`
[INFO] [stdout] c965531b10b5958dc5b774cfdc04f078d7e1b106da84084e7d08cd7558fc123b
[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/DeltaCoding/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] a99a82a9af2f0e4573b3935937bcf4b4c90361db3f65270e7a6e9085ba501f11
[INFO] running `"docker" "start" "-a" "a99a82a9af2f0e4573b3935937bcf4b4c90361db3f65270e7a6e9085ba501f11"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-2b104e578dd1ef61
[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" "a99a82a9af2f0e4573b3935937bcf4b4c90361db3f65270e7a6e9085ba501f11"`
[INFO] running `"docker" "rm" "-f" "a99a82a9af2f0e4573b3935937bcf4b4c90361db3f65270e7a6e9085ba501f11"`
[INFO] [stdout] a99a82a9af2f0e4573b3935937bcf4b4c90361db3f65270e7a6e9085ba501f11