[INFO] updating cached repository gRastello/vsweep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gRastello/vsweep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gRastello/vsweep" "work/ex/beta-1.38-1/sources/1.37.0/gh/gRastello/vsweep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gRastello/vsweep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gRastello/vsweep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gRastello/vsweep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gRastello/vsweep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99a78f09f012c4e9cf97ffafdedd04ed32aeeb40
[INFO] sha for GitHub repo gRastello/vsweep: 99a78f09f012c4e9cf97ffafdedd04ed32aeeb40
[INFO] validating manifest of gRastello/vsweep 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 gRastello/vsweep 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 gRastello/vsweep
[INFO] finished frobbing gRastello/vsweep
[INFO] frobbed toml for gRastello/vsweep written to work/ex/beta-1.38-1/sources/1.37.0/gh/gRastello/vsweep/Cargo.toml
[INFO] started frobbing gRastello/vsweep
[INFO] finished frobbing gRastello/vsweep
[INFO] frobbed toml for gRastello/vsweep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gRastello/vsweep/Cargo.toml
[INFO] crate gRastello/vsweep 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 gRastello/vsweep 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/gRastello/vsweep:/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] 095b8a9585cea7a46aad2c649d65d6b8c7324a996bebdcc30681f25871de4b0f
[INFO] running `"docker" "start" "-a" "095b8a9585cea7a46aad2c649d65d6b8c7324a996bebdcc30681f25871de4b0f"`
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling vsweep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `generate_mock_field`
[INFO] [stderr]    --> src/field.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn generate_mock_field() -> Field {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.78s
[INFO] running `"docker" "inspect" "095b8a9585cea7a46aad2c649d65d6b8c7324a996bebdcc30681f25871de4b0f"`
[INFO] running `"docker" "rm" "-f" "095b8a9585cea7a46aad2c649d65d6b8c7324a996bebdcc30681f25871de4b0f"`
[INFO] [stdout] 095b8a9585cea7a46aad2c649d65d6b8c7324a996bebdcc30681f25871de4b0f
[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/gRastello/vsweep:/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] 3c1da37788150cbac1a8a3c07482a12569ae12305624b7a4830fb82aaed30de8
[INFO] running `"docker" "start" "-a" "3c1da37788150cbac1a8a3c07482a12569ae12305624b7a4830fb82aaed30de8"`
[INFO] [stderr]    Compiling vsweep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "3c1da37788150cbac1a8a3c07482a12569ae12305624b7a4830fb82aaed30de8"`
[INFO] running `"docker" "rm" "-f" "3c1da37788150cbac1a8a3c07482a12569ae12305624b7a4830fb82aaed30de8"`
[INFO] [stdout] 3c1da37788150cbac1a8a3c07482a12569ae12305624b7a4830fb82aaed30de8
[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/gRastello/vsweep:/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] 936ac8d5b7d1550df28727945960c65ee32be45168ae3286cbdb5aedb34e6ca2
[INFO] running `"docker" "start" "-a" "936ac8d5b7d1550df28727945960c65ee32be45168ae3286cbdb5aedb34e6ca2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vsweep-c991a5dd5afb2629
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test field::test::show_all_mines ... ok
[INFO] [stdout] test field::test::is_game_over ... ok
[INFO] [stdout] test field::test::get ... ok
[INFO] [stdout] test field::test::initialization ... ok
[INFO] [stdout] test field::test::get_neighborhood ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "936ac8d5b7d1550df28727945960c65ee32be45168ae3286cbdb5aedb34e6ca2"`
[INFO] running `"docker" "rm" "-f" "936ac8d5b7d1550df28727945960c65ee32be45168ae3286cbdb5aedb34e6ca2"`
[INFO] [stdout] 936ac8d5b7d1550df28727945960c65ee32be45168ae3286cbdb5aedb34e6ca2