[INFO] updating cached repository dosukoi-kdm/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dosukoi-kdm/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dosukoi-kdm/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/dosukoi-kdm/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dosukoi-kdm/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dosukoi-kdm/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dosukoi-kdm/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dosukoi-kdm/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e38eb332dca352515d57142d62be9ca99ee18e1d
[INFO] sha for GitHub repo dosukoi-kdm/guessing_game: e38eb332dca352515d57142d62be9ca99ee18e1d
[INFO] validating manifest of dosukoi-kdm/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 dosukoi-kdm/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 dosukoi-kdm/guessing_game
[INFO] finished frobbing dosukoi-kdm/guessing_game
[INFO] frobbed toml for dosukoi-kdm/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/dosukoi-kdm/guessing_game/Cargo.toml
[INFO] started frobbing dosukoi-kdm/guessing_game
[INFO] finished frobbing dosukoi-kdm/guessing_game
[INFO] frobbed toml for dosukoi-kdm/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dosukoi-kdm/guessing_game/Cargo.toml
[INFO] crate dosukoi-kdm/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 dosukoi-kdm/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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dosukoi-kdm/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] c13f4fe5c17e1fb596c55b041c680db305c6ff03d8c668f6d6f297d3a00748f4
[INFO] running `"docker" "start" "-a" "c13f4fe5c17e1fb596c55b041c680db305c6ff03d8c668f6d6f297d3a00748f4"`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `"docker" "inspect" "c13f4fe5c17e1fb596c55b041c680db305c6ff03d8c668f6d6f297d3a00748f4"`
[INFO] running `"docker" "rm" "-f" "c13f4fe5c17e1fb596c55b041c680db305c6ff03d8c668f6d6f297d3a00748f4"`
[INFO] [stdout] c13f4fe5c17e1fb596c55b041c680db305c6ff03d8c668f6d6f297d3a00748f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dosukoi-kdm/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] 68782b92e3178f8ab87c195c520fdcb0f720a0ed4bf3accbf8fd44b57bb8d2b8
[INFO] running `"docker" "start" "-a" "68782b92e3178f8ab87c195c520fdcb0f720a0ed4bf3accbf8fd44b57bb8d2b8"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "68782b92e3178f8ab87c195c520fdcb0f720a0ed4bf3accbf8fd44b57bb8d2b8"`
[INFO] running `"docker" "rm" "-f" "68782b92e3178f8ab87c195c520fdcb0f720a0ed4bf3accbf8fd44b57bb8d2b8"`
[INFO] [stdout] 68782b92e3178f8ab87c195c520fdcb0f720a0ed4bf3accbf8fd44b57bb8d2b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dosukoi-kdm/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] 297a0ae87226263df563e40bbc0dbbfd2ab6f3ae1173b3c6f27c9c0be61b055c
[INFO] running `"docker" "start" "-a" "297a0ae87226263df563e40bbc0dbbfd2ab6f3ae1173b3c6f27c9c0be61b055c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-335099187e7a7619
[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" "297a0ae87226263df563e40bbc0dbbfd2ab6f3ae1173b3c6f27c9c0be61b055c"`
[INFO] running `"docker" "rm" "-f" "297a0ae87226263df563e40bbc0dbbfd2ab6f3ae1173b3c6f27c9c0be61b055c"`
[INFO] [stdout] 297a0ae87226263df563e40bbc0dbbfd2ab6f3ae1173b3c6f27c9c0be61b055c