[INFO] updating cached repository incyclum/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/incyclum/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/incyclum/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/incyclum/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/incyclum/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/incyclum/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/incyclum/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/incyclum/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56fb35876cf516bc9009b07e1ca871893c24c54f
[INFO] sha for GitHub repo incyclum/rust-guessing-game: 56fb35876cf516bc9009b07e1ca871893c24c54f
[INFO] validating manifest of incyclum/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 incyclum/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 incyclum/rust-guessing-game
[INFO] finished frobbing incyclum/rust-guessing-game
[INFO] frobbed toml for incyclum/rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/incyclum/rust-guessing-game/Cargo.toml
[INFO] started frobbing incyclum/rust-guessing-game
[INFO] finished frobbing incyclum/rust-guessing-game
[INFO] frobbed toml for incyclum/rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/incyclum/rust-guessing-game/Cargo.toml
[INFO] crate incyclum/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 incyclum/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/incyclum/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] a6d3026fe4642fc8516ee78925eeb79110f99fcb4fab218b4dfacc1deb3df12a
[INFO] running `"docker" "start" "-a" "a6d3026fe4642fc8516ee78925eeb79110f99fcb4fab218b4dfacc1deb3df12a"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `"docker" "inspect" "a6d3026fe4642fc8516ee78925eeb79110f99fcb4fab218b4dfacc1deb3df12a"`
[INFO] running `"docker" "rm" "-f" "a6d3026fe4642fc8516ee78925eeb79110f99fcb4fab218b4dfacc1deb3df12a"`
[INFO] [stdout] a6d3026fe4642fc8516ee78925eeb79110f99fcb4fab218b4dfacc1deb3df12a
[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/incyclum/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] 5bfda3e139c1af6aab56235746a954805443278c896174610e90bbe9de6c6f75
[INFO] running `"docker" "start" "-a" "5bfda3e139c1af6aab56235746a954805443278c896174610e90bbe9de6c6f75"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "5bfda3e139c1af6aab56235746a954805443278c896174610e90bbe9de6c6f75"`
[INFO] running `"docker" "rm" "-f" "5bfda3e139c1af6aab56235746a954805443278c896174610e90bbe9de6c6f75"`
[INFO] [stdout] 5bfda3e139c1af6aab56235746a954805443278c896174610e90bbe9de6c6f75
[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/incyclum/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] 4f01ed5fddfd92876190e122015602b9dfe31a8faa2d216a06c94cd27d655950
[INFO] running `"docker" "start" "-a" "4f01ed5fddfd92876190e122015602b9dfe31a8faa2d216a06c94cd27d655950"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-310a8a59cb3465c5
[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" "4f01ed5fddfd92876190e122015602b9dfe31a8faa2d216a06c94cd27d655950"`
[INFO] running `"docker" "rm" "-f" "4f01ed5fddfd92876190e122015602b9dfe31a8faa2d216a06c94cd27d655950"`
[INFO] [stdout] 4f01ed5fddfd92876190e122015602b9dfe31a8faa2d216a06c94cd27d655950