[INFO] updating cached repository cesare/learning-rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cesare/learning-rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/learning-rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/learning-rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/learning-rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/learning-rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/learning-rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/learning-rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 650115b470b5c6fa1ac89f904421dbf6d72c2dd0
[INFO] sha for GitHub repo cesare/learning-rust-guessing-game: 650115b470b5c6fa1ac89f904421dbf6d72c2dd0
[INFO] validating manifest of cesare/learning-rust-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 cesare/learning-rust-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 cesare/learning-rust-guessing-game
[INFO] finished frobbing cesare/learning-rust-guessing-game
[INFO] frobbed toml for cesare/learning-rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/cesare/learning-rust-guessing-game/Cargo.toml
[INFO] started frobbing cesare/learning-rust-guessing-game
[INFO] finished frobbing cesare/learning-rust-guessing-game
[INFO] frobbed toml for cesare/learning-rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cesare/learning-rust-guessing-game/Cargo.toml
[INFO] crate cesare/learning-rust-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 cesare/learning-rust-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-1/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/cesare/learning-rust-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] 2bdfc8c84d7c4c2be66ee61f4d21dabc359f733576f3b8218f0ba6fbeb93b49d
[INFO] running `"docker" "start" "-a" "2bdfc8c84d7c4c2be66ee61f4d21dabc359f733576f3b8218f0ba6fbeb93b49d"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "2bdfc8c84d7c4c2be66ee61f4d21dabc359f733576f3b8218f0ba6fbeb93b49d"`
[INFO] running `"docker" "rm" "-f" "2bdfc8c84d7c4c2be66ee61f4d21dabc359f733576f3b8218f0ba6fbeb93b49d"`
[INFO] [stdout] 2bdfc8c84d7c4c2be66ee61f4d21dabc359f733576f3b8218f0ba6fbeb93b49d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/cesare/learning-rust-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] 357e5183aa0fddcea793c7e7c022223d67908c85a4e60bcc32ad35582e2b97d3
[INFO] running `"docker" "start" "-a" "357e5183aa0fddcea793c7e7c022223d67908c85a4e60bcc32ad35582e2b97d3"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "357e5183aa0fddcea793c7e7c022223d67908c85a4e60bcc32ad35582e2b97d3"`
[INFO] running `"docker" "rm" "-f" "357e5183aa0fddcea793c7e7c022223d67908c85a4e60bcc32ad35582e2b97d3"`
[INFO] [stdout] 357e5183aa0fddcea793c7e7c022223d67908c85a4e60bcc32ad35582e2b97d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/cesare/learning-rust-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] c4a0fddacfa777c93be66ca344aa79d760eb315d3feb4b0b7f875aaa925ab205
[INFO] running `"docker" "start" "-a" "c4a0fddacfa777c93be66ca344aa79d760eb315d3feb4b0b7f875aaa925ab205"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-b81e8ba9aa5ffa1b
[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" "c4a0fddacfa777c93be66ca344aa79d760eb315d3feb4b0b7f875aaa925ab205"`
[INFO] running `"docker" "rm" "-f" "c4a0fddacfa777c93be66ca344aa79d760eb315d3feb4b0b7f875aaa925ab205"`
[INFO] [stdout] c4a0fddacfa777c93be66ca344aa79d760eb315d3feb4b0b7f875aaa925ab205