[INFO] updating cached repository shdblowers/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shdblowers/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shdblowers/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/shdblowers/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shdblowers/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shdblowers/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shdblowers/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shdblowers/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b134f742c2ea1794f4ae53fd2ee6e5fd490f3486
[INFO] sha for GitHub repo shdblowers/guessing_game: b134f742c2ea1794f4ae53fd2ee6e5fd490f3486
[INFO] validating manifest of shdblowers/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 shdblowers/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 shdblowers/guessing_game
[INFO] finished frobbing shdblowers/guessing_game
[INFO] frobbed toml for shdblowers/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/shdblowers/guessing_game/Cargo.toml
[INFO] started frobbing shdblowers/guessing_game
[INFO] finished frobbing shdblowers/guessing_game
[INFO] frobbed toml for shdblowers/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shdblowers/guessing_game/Cargo.toml
[INFO] crate shdblowers/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 shdblowers/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/shdblowers/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] e8bd7f5152785a9bdad298f13fffc6126123df7bb5c7c6dc3e26acbc99ad8b5f
[INFO] running `"docker" "start" "-a" "e8bd7f5152785a9bdad298f13fffc6126123df7bb5c7c6dc3e26acbc99ad8b5f"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "e8bd7f5152785a9bdad298f13fffc6126123df7bb5c7c6dc3e26acbc99ad8b5f"`
[INFO] running `"docker" "rm" "-f" "e8bd7f5152785a9bdad298f13fffc6126123df7bb5c7c6dc3e26acbc99ad8b5f"`
[INFO] [stdout] e8bd7f5152785a9bdad298f13fffc6126123df7bb5c7c6dc3e26acbc99ad8b5f
[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/shdblowers/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] 4084a750577c4d21ff588a870c3ad1721a7cfd1ff200a15d014d6e62bbc46e5e
[INFO] running `"docker" "start" "-a" "4084a750577c4d21ff588a870c3ad1721a7cfd1ff200a15d014d6e62bbc46e5e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "4084a750577c4d21ff588a870c3ad1721a7cfd1ff200a15d014d6e62bbc46e5e"`
[INFO] running `"docker" "rm" "-f" "4084a750577c4d21ff588a870c3ad1721a7cfd1ff200a15d014d6e62bbc46e5e"`
[INFO] [stdout] 4084a750577c4d21ff588a870c3ad1721a7cfd1ff200a15d014d6e62bbc46e5e
[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/shdblowers/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] f8ad394f762024f068c5c50c7fe1609b8c7116910301171d978d64b8f2e3311e
[INFO] running `"docker" "start" "-a" "f8ad394f762024f068c5c50c7fe1609b8c7116910301171d978d64b8f2e3311e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-83f95de530eb3036
[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" "f8ad394f762024f068c5c50c7fe1609b8c7116910301171d978d64b8f2e3311e"`
[INFO] running `"docker" "rm" "-f" "f8ad394f762024f068c5c50c7fe1609b8c7116910301171d978d64b8f2e3311e"`
[INFO] [stdout] f8ad394f762024f068c5c50c7fe1609b8c7116910301171d978d64b8f2e3311e