[INFO] updating cached repository ggirtsou/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ggirtsou/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ggirtsou/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/ggirtsou/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ggirtsou/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ggirtsou/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ggirtsou/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ggirtsou/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e13a165bce1df3cf9b2ce8428db36856ab3405c8
[INFO] sha for GitHub repo ggirtsou/guessing_game: e13a165bce1df3cf9b2ce8428db36856ab3405c8
[INFO] validating manifest of ggirtsou/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 ggirtsou/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 ggirtsou/guessing_game
[INFO] finished frobbing ggirtsou/guessing_game
[INFO] frobbed toml for ggirtsou/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/ggirtsou/guessing_game/Cargo.toml
[INFO] started frobbing ggirtsou/guessing_game
[INFO] finished frobbing ggirtsou/guessing_game
[INFO] frobbed toml for ggirtsou/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ggirtsou/guessing_game/Cargo.toml
[INFO] crate ggirtsou/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 ggirtsou/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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ggirtsou/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] 708cf847a6a4bad7c2c2f1411cc3522f0afa6fcddebb8e74d2892d2a7935a3cc
[INFO] running `"docker" "start" "-a" "708cf847a6a4bad7c2c2f1411cc3522f0afa6fcddebb8e74d2892d2a7935a3cc"`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `"docker" "inspect" "708cf847a6a4bad7c2c2f1411cc3522f0afa6fcddebb8e74d2892d2a7935a3cc"`
[INFO] running `"docker" "rm" "-f" "708cf847a6a4bad7c2c2f1411cc3522f0afa6fcddebb8e74d2892d2a7935a3cc"`
[INFO] [stdout] 708cf847a6a4bad7c2c2f1411cc3522f0afa6fcddebb8e74d2892d2a7935a3cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ggirtsou/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] 83f0b1491d1115cb484e3629d4a4a804ca2ecbb83223dcb4809cf654c1356c33
[INFO] running `"docker" "start" "-a" "83f0b1491d1115cb484e3629d4a4a804ca2ecbb83223dcb4809cf654c1356c33"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "83f0b1491d1115cb484e3629d4a4a804ca2ecbb83223dcb4809cf654c1356c33"`
[INFO] running `"docker" "rm" "-f" "83f0b1491d1115cb484e3629d4a4a804ca2ecbb83223dcb4809cf654c1356c33"`
[INFO] [stdout] 83f0b1491d1115cb484e3629d4a4a804ca2ecbb83223dcb4809cf654c1356c33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ggirtsou/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] c19223e0070d9cb94c03309429cce175905abc52c6e5fd565bafd860434efcdc
[INFO] running `"docker" "start" "-a" "c19223e0070d9cb94c03309429cce175905abc52c6e5fd565bafd860434efcdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-d9170ca0d10c5dc3
[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" "c19223e0070d9cb94c03309429cce175905abc52c6e5fd565bafd860434efcdc"`
[INFO] running `"docker" "rm" "-f" "c19223e0070d9cb94c03309429cce175905abc52c6e5fd565bafd860434efcdc"`
[INFO] [stdout] c19223e0070d9cb94c03309429cce175905abc52c6e5fd565bafd860434efcdc