[INFO] updating cached repository jnvsor/rusty-mines
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jnvsor/rusty-mines
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jnvsor/rusty-mines" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jnvsor/rusty-mines"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jnvsor/rusty-mines'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jnvsor/rusty-mines" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jnvsor/rusty-mines"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jnvsor/rusty-mines'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e881967645481fba983850c9ca27a30962ae7a1d
[INFO] sha for GitHub repo jnvsor/rusty-mines: e881967645481fba983850c9ca27a30962ae7a1d
[INFO] validating manifest of jnvsor/rusty-mines on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jnvsor/rusty-mines on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jnvsor/rusty-mines
[INFO] finished frobbing jnvsor/rusty-mines
[INFO] frobbed toml for jnvsor/rusty-mines written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jnvsor/rusty-mines/Cargo.toml
[INFO] started frobbing jnvsor/rusty-mines
[INFO] finished frobbing jnvsor/rusty-mines
[INFO] frobbed toml for jnvsor/rusty-mines written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jnvsor/rusty-mines/Cargo.toml
[INFO] crate jnvsor/rusty-mines has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jnvsor/rusty-mines against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jnvsor/rusty-mines:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 677bc990a9b9dca6d56eae851feeda99afda0aba5e2e813887a47f41ed585e54
[INFO] running `"docker" "start" "-a" "677bc990a9b9dca6d56eae851feeda99afda0aba5e2e813887a47f41ed585e54"`
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling structopt v0.1.6
[INFO] [stderr]    Compiling rusty-mines v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `"docker" "inspect" "677bc990a9b9dca6d56eae851feeda99afda0aba5e2e813887a47f41ed585e54"`
[INFO] running `"docker" "rm" "-f" "677bc990a9b9dca6d56eae851feeda99afda0aba5e2e813887a47f41ed585e54"`
[INFO] [stdout] 677bc990a9b9dca6d56eae851feeda99afda0aba5e2e813887a47f41ed585e54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jnvsor/rusty-mines:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 471653ce1e085a8e85d4cc4c2b1d847506aa232ca7352eb8b4d9c8ba01e2e528
[INFO] running `"docker" "start" "-a" "471653ce1e085a8e85d4cc4c2b1d847506aa232ca7352eb8b4d9c8ba01e2e528"`
[INFO] [stderr]    Compiling rusty-mines v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "471653ce1e085a8e85d4cc4c2b1d847506aa232ca7352eb8b4d9c8ba01e2e528"`
[INFO] running `"docker" "rm" "-f" "471653ce1e085a8e85d4cc4c2b1d847506aa232ca7352eb8b4d9c8ba01e2e528"`
[INFO] [stdout] 471653ce1e085a8e85d4cc4c2b1d847506aa232ca7352eb8b4d9c8ba01e2e528
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jnvsor/rusty-mines:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] ffcc4f148d30c4cbe6eac8468d39214a563b7d29bcc554c245e50f90a852601e
[INFO] running `"docker" "start" "-a" "ffcc4f148d30c4cbe6eac8468d39214a563b7d29bcc554c245e50f90a852601e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_mines-6e0565e35582b545
[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" "ffcc4f148d30c4cbe6eac8468d39214a563b7d29bcc554c245e50f90a852601e"`
[INFO] running `"docker" "rm" "-f" "ffcc4f148d30c4cbe6eac8468d39214a563b7d29bcc554c245e50f90a852601e"`
[INFO] [stdout] ffcc4f148d30c4cbe6eac8468d39214a563b7d29bcc554c245e50f90a852601e