[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 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-2/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 71f566740def31128e7f788b642236030e012b51625a29d788225cdd05a186dd
[INFO] running `"docker" "start" "-a" "71f566740def31128e7f788b642236030e012b51625a29d788225cdd05a186dd"`
[INFO] [stderr]    Compiling guessing_game_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "71f566740def31128e7f788b642236030e012b51625a29d788225cdd05a186dd"`
[INFO] running `"docker" "rm" "-f" "71f566740def31128e7f788b642236030e012b51625a29d788225cdd05a186dd"`
[INFO] [stdout] 71f566740def31128e7f788b642236030e012b51625a29d788225cdd05a186dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d232ac804fbe2e9ec214de80cedbf23d6d7d2f2a7426f417e1b1557dbc0f8359
[INFO] running `"docker" "start" "-a" "d232ac804fbe2e9ec214de80cedbf23d6d7d2f2a7426f417e1b1557dbc0f8359"`
[INFO] [stderr]    Compiling guessing_game_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "d232ac804fbe2e9ec214de80cedbf23d6d7d2f2a7426f417e1b1557dbc0f8359"`
[INFO] running `"docker" "rm" "-f" "d232ac804fbe2e9ec214de80cedbf23d6d7d2f2a7426f417e1b1557dbc0f8359"`
[INFO] [stdout] d232ac804fbe2e9ec214de80cedbf23d6d7d2f2a7426f417e1b1557dbc0f8359
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cfab412395fe8a5bb23e28b3da06e7bc9b8cb244d7b9be4e70ee6b7c7e81456c
[INFO] running `"docker" "start" "-a" "cfab412395fe8a5bb23e28b3da06e7bc9b8cb244d7b9be4e70ee6b7c7e81456c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game_solver-46cb2325cc43e63a
[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" "cfab412395fe8a5bb23e28b3da06e7bc9b8cb244d7b9be4e70ee6b7c7e81456c"`
[INFO] running `"docker" "rm" "-f" "cfab412395fe8a5bb23e28b3da06e7bc9b8cb244d7b9be4e70ee6b7c7e81456c"`
[INFO] [stdout] cfab412395fe8a5bb23e28b3da06e7bc9b8cb244d7b9be4e70ee6b7c7e81456c