[INFO] updating cached repository thiagoarrais/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thiagoarrais/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thiagoarrais/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/thiagoarrais/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/thiagoarrais/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thiagoarrais/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thiagoarrais/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thiagoarrais/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed14af311bc7196fcd9def6f15b7abf66c668265
[INFO] sha for GitHub repo thiagoarrais/guessing_game: ed14af311bc7196fcd9def6f15b7abf66c668265
[INFO] validating manifest of thiagoarrais/guessing_game on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thiagoarrais/guessing_game on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thiagoarrais/guessing_game
[INFO] finished frobbing thiagoarrais/guessing_game
[INFO] frobbed toml for thiagoarrais/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/thiagoarrais/guessing_game/Cargo.toml
[INFO] started frobbing thiagoarrais/guessing_game
[INFO] finished frobbing thiagoarrais/guessing_game
[INFO] frobbed toml for thiagoarrais/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thiagoarrais/guessing_game/Cargo.toml
[INFO] crate thiagoarrais/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing thiagoarrais/guessing_game against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thiagoarrais/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 68f773165577b05a5cfaa379ea79639aace233666b4ffff394dabb3a2916ad24
[INFO] running `"docker" "start" "-a" "68f773165577b05a5cfaa379ea79639aace233666b4ffff394dabb3a2916ad24"`
[INFO] [stderr]    Compiling sandbox_guessing_game v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "68f773165577b05a5cfaa379ea79639aace233666b4ffff394dabb3a2916ad24"`
[INFO] running `"docker" "rm" "-f" "68f773165577b05a5cfaa379ea79639aace233666b4ffff394dabb3a2916ad24"`
[INFO] [stdout] 68f773165577b05a5cfaa379ea79639aace233666b4ffff394dabb3a2916ad24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thiagoarrais/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 74cfe121eda5a1f046eca944e97afe62d331c49805043559140989a06e329f96
[INFO] running `"docker" "start" "-a" "74cfe121eda5a1f046eca944e97afe62d331c49805043559140989a06e329f96"`
[INFO] [stderr]    Compiling sandbox_guessing_game v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "74cfe121eda5a1f046eca944e97afe62d331c49805043559140989a06e329f96"`
[INFO] running `"docker" "rm" "-f" "74cfe121eda5a1f046eca944e97afe62d331c49805043559140989a06e329f96"`
[INFO] [stdout] 74cfe121eda5a1f046eca944e97afe62d331c49805043559140989a06e329f96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thiagoarrais/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2c9fab0323acde4feb3b56630f0d771a55a41ad84afeebcd6ad6a2c0f9e40df4
[INFO] running `"docker" "start" "-a" "2c9fab0323acde4feb3b56630f0d771a55a41ad84afeebcd6ad6a2c0f9e40df4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sandbox_guessing_game-3e95a90ef0ae42de
[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" "2c9fab0323acde4feb3b56630f0d771a55a41ad84afeebcd6ad6a2c0f9e40df4"`
[INFO] running `"docker" "rm" "-f" "2c9fab0323acde4feb3b56630f0d771a55a41ad84afeebcd6ad6a2c0f9e40df4"`
[INFO] [stdout] 2c9fab0323acde4feb3b56630f0d771a55a41ad84afeebcd6ad6a2c0f9e40df4