[INFO] updating cached repository neverthegreat/guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neverthegreat/guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neverthegreat/guessing-game" "work/ex/beta-1.37-6/sources/1.36.0/gh/neverthegreat/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/neverthegreat/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neverthegreat/guessing-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neverthegreat/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neverthegreat/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79fb925fcb3c2d8316d992804e142199ab2089f2
[INFO] sha for GitHub repo neverthegreat/guessing-game: 79fb925fcb3c2d8316d992804e142199ab2089f2
[INFO] validating manifest of neverthegreat/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 neverthegreat/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 neverthegreat/guessing-game
[INFO] finished frobbing neverthegreat/guessing-game
[INFO] frobbed toml for neverthegreat/guessing-game written to work/ex/beta-1.37-6/sources/1.36.0/gh/neverthegreat/guessing-game/Cargo.toml
[INFO] started frobbing neverthegreat/guessing-game
[INFO] finished frobbing neverthegreat/guessing-game
[INFO] frobbed toml for neverthegreat/guessing-game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neverthegreat/guessing-game/Cargo.toml
[INFO] crate neverthegreat/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 neverthegreat/guessing-game against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neverthegreat/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] deffea20d84a86cbf7f39845ca54fb63e0a4526a71559702a7d73d709fb42dc9
[INFO] running `"docker" "start" "-a" "deffea20d84a86cbf7f39845ca54fb63e0a4526a71559702a7d73d709fb42dc9"`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `"docker" "inspect" "deffea20d84a86cbf7f39845ca54fb63e0a4526a71559702a7d73d709fb42dc9"`
[INFO] running `"docker" "rm" "-f" "deffea20d84a86cbf7f39845ca54fb63e0a4526a71559702a7d73d709fb42dc9"`
[INFO] [stdout] deffea20d84a86cbf7f39845ca54fb63e0a4526a71559702a7d73d709fb42dc9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neverthegreat/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 401ef30b375b47f4d17ac92bb142beb7932b902a6ebbe526a128a470d5c6a7fc
[INFO] running `"docker" "start" "-a" "401ef30b375b47f4d17ac92bb142beb7932b902a6ebbe526a128a470d5c6a7fc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "401ef30b375b47f4d17ac92bb142beb7932b902a6ebbe526a128a470d5c6a7fc"`
[INFO] running `"docker" "rm" "-f" "401ef30b375b47f4d17ac92bb142beb7932b902a6ebbe526a128a470d5c6a7fc"`
[INFO] [stdout] 401ef30b375b47f4d17ac92bb142beb7932b902a6ebbe526a128a470d5c6a7fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/neverthegreat/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0186ad8c4f0dcfc880fe23d3e03415f1f436330c82add6e0559ecb84cf0bb5ef
[INFO] running `"docker" "start" "-a" "0186ad8c4f0dcfc880fe23d3e03415f1f436330c82add6e0559ecb84cf0bb5ef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-06854dbf981ef610
[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" "0186ad8c4f0dcfc880fe23d3e03415f1f436330c82add6e0559ecb84cf0bb5ef"`
[INFO] running `"docker" "rm" "-f" "0186ad8c4f0dcfc880fe23d3e03415f1f436330c82add6e0559ecb84cf0bb5ef"`
[INFO] [stdout] 0186ad8c4f0dcfc880fe23d3e03415f1f436330c82add6e0559ecb84cf0bb5ef