[INFO] updating cached repository cGuille/guessing_game_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cGuille/guessing_game_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cGuille/guessing_game_solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/cGuille/guessing_game_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cGuille/guessing_game_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cGuille/guessing_game_solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cGuille/guessing_game_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cGuille/guessing_game_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 029289cd80f86eef167da79f56ded4a525321c03
[INFO] sha for GitHub repo cGuille/guessing_game_solver: 029289cd80f86eef167da79f56ded4a525321c03
[INFO] validating manifest of cGuille/guessing_game_solver 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 cGuille/guessing_game_solver 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 cGuille/guessing_game_solver
[INFO] finished frobbing cGuille/guessing_game_solver
[INFO] frobbed toml for cGuille/guessing_game_solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/cGuille/guessing_game_solver/Cargo.toml
[INFO] started frobbing cGuille/guessing_game_solver
[INFO] finished frobbing cGuille/guessing_game_solver
[INFO] frobbed toml for cGuille/guessing_game_solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cGuille/guessing_game_solver/Cargo.toml
[INFO] crate cGuille/guessing_game_solver 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 cGuille/guessing_game_solver 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/cGuille/guessing_game_solver:/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] 7a40fa4ff9af850d41a5fa9bdb8c3c3e1a92ad798f47900cb3119d7619baf0fa
[INFO] running `"docker" "start" "-a" "7a40fa4ff9af850d41a5fa9bdb8c3c3e1a92ad798f47900cb3119d7619baf0fa"`
[INFO] [stderr]    Compiling guessing_game_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "7a40fa4ff9af850d41a5fa9bdb8c3c3e1a92ad798f47900cb3119d7619baf0fa"`
[INFO] running `"docker" "rm" "-f" "7a40fa4ff9af850d41a5fa9bdb8c3c3e1a92ad798f47900cb3119d7619baf0fa"`
[INFO] [stdout] 7a40fa4ff9af850d41a5fa9bdb8c3c3e1a92ad798f47900cb3119d7619baf0fa
[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/cGuille/guessing_game_solver:/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] ae89e6472f3ea9d9d3bb1e8b338fb88e330af484fe7f8d513041ef434dd1d81c
[INFO] running `"docker" "start" "-a" "ae89e6472f3ea9d9d3bb1e8b338fb88e330af484fe7f8d513041ef434dd1d81c"`
[INFO] [stderr]    Compiling guessing_game_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "ae89e6472f3ea9d9d3bb1e8b338fb88e330af484fe7f8d513041ef434dd1d81c"`
[INFO] running `"docker" "rm" "-f" "ae89e6472f3ea9d9d3bb1e8b338fb88e330af484fe7f8d513041ef434dd1d81c"`
[INFO] [stdout] ae89e6472f3ea9d9d3bb1e8b338fb88e330af484fe7f8d513041ef434dd1d81c
[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/cGuille/guessing_game_solver:/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] d065de3f844418f54ff34c75225def9e229d6f8a493206d6de380fd924ad4b5d
[INFO] running `"docker" "start" "-a" "d065de3f844418f54ff34c75225def9e229d6f8a493206d6de380fd924ad4b5d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game_solver-14e1888a9868e9da
[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" "d065de3f844418f54ff34c75225def9e229d6f8a493206d6de380fd924ad4b5d"`
[INFO] running `"docker" "rm" "-f" "d065de3f844418f54ff34c75225def9e229d6f8a493206d6de380fd924ad4b5d"`
[INFO] [stdout] d065de3f844418f54ff34c75225def9e229d6f8a493206d6de380fd924ad4b5d