[INFO] updating cached repository pckilgore/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pckilgore/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pckilgore/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/pckilgore/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pckilgore/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pckilgore/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pckilgore/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pckilgore/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0f48b496e21c32a4c5142edeb6399a0e9bed901
[INFO] sha for GitHub repo pckilgore/guessing_game: e0f48b496e21c32a4c5142edeb6399a0e9bed901
[INFO] validating manifest of pckilgore/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 pckilgore/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 pckilgore/guessing_game
[INFO] finished frobbing pckilgore/guessing_game
[INFO] frobbed toml for pckilgore/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/pckilgore/guessing_game/Cargo.toml
[INFO] started frobbing pckilgore/guessing_game
[INFO] finished frobbing pckilgore/guessing_game
[INFO] frobbed toml for pckilgore/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pckilgore/guessing_game/Cargo.toml
[INFO] crate pckilgore/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 pckilgore/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pckilgore/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] d6012c3d642579503c7a0913401a34cab1fc6c29d597b805f0db3b2918950a79
[INFO] running `"docker" "start" "-a" "d6012c3d642579503c7a0913401a34cab1fc6c29d597b805f0db3b2918950a79"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "d6012c3d642579503c7a0913401a34cab1fc6c29d597b805f0db3b2918950a79"`
[INFO] running `"docker" "rm" "-f" "d6012c3d642579503c7a0913401a34cab1fc6c29d597b805f0db3b2918950a79"`
[INFO] [stdout] d6012c3d642579503c7a0913401a34cab1fc6c29d597b805f0db3b2918950a79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pckilgore/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] a7437b641cad3567432e68a854c9ca82c8064c76102f3d11e08cabb5599098bf
[INFO] running `"docker" "start" "-a" "a7437b641cad3567432e68a854c9ca82c8064c76102f3d11e08cabb5599098bf"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "a7437b641cad3567432e68a854c9ca82c8064c76102f3d11e08cabb5599098bf"`
[INFO] running `"docker" "rm" "-f" "a7437b641cad3567432e68a854c9ca82c8064c76102f3d11e08cabb5599098bf"`
[INFO] [stdout] a7437b641cad3567432e68a854c9ca82c8064c76102f3d11e08cabb5599098bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pckilgore/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] 13f54fb11c470833992b8489c2da8f738f971f2a3933edfd73fa260da84d3bb9
[INFO] running `"docker" "start" "-a" "13f54fb11c470833992b8489c2da8f738f971f2a3933edfd73fa260da84d3bb9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-601cf04a682f7c93
[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" "13f54fb11c470833992b8489c2da8f738f971f2a3933edfd73fa260da84d3bb9"`
[INFO] running `"docker" "rm" "-f" "13f54fb11c470833992b8489c2da8f738f971f2a3933edfd73fa260da84d3bb9"`
[INFO] [stdout] 13f54fb11c470833992b8489c2da8f738f971f2a3933edfd73fa260da84d3bb9