[INFO] updating cached repository h3nnn4n/anti-sheep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/h3nnn4n/anti-sheep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/h3nnn4n/anti-sheep" "work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/anti-sheep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/anti-sheep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/h3nnn4n/anti-sheep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/h3nnn4n/anti-sheep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/h3nnn4n/anti-sheep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a858d3b2d235f0d5e0312a8e9508b010abda448b
[INFO] sha for GitHub repo h3nnn4n/anti-sheep: a858d3b2d235f0d5e0312a8e9508b010abda448b
[INFO] validating manifest of h3nnn4n/anti-sheep 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 h3nnn4n/anti-sheep 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 h3nnn4n/anti-sheep
[INFO] finished frobbing h3nnn4n/anti-sheep
[INFO] frobbed toml for h3nnn4n/anti-sheep written to work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/anti-sheep/Cargo.toml
[INFO] started frobbing h3nnn4n/anti-sheep
[INFO] finished frobbing h3nnn4n/anti-sheep
[INFO] frobbed toml for h3nnn4n/anti-sheep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/h3nnn4n/anti-sheep/Cargo.toml
[INFO] crate h3nnn4n/anti-sheep 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 h3nnn4n/anti-sheep 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/anti-sheep:/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] 192a87d6e634c26d90901edaf19adb2f0c375fbbd7158fe9d6fbf95421fe958e
[INFO] running `"docker" "start" "-a" "192a87d6e634c26d90901edaf19adb2f0c375fbbd7158fe9d6fbf95421fe958e"`
[INFO] [stderr]    Compiling anti-sheep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "192a87d6e634c26d90901edaf19adb2f0c375fbbd7158fe9d6fbf95421fe958e"`
[INFO] running `"docker" "rm" "-f" "192a87d6e634c26d90901edaf19adb2f0c375fbbd7158fe9d6fbf95421fe958e"`
[INFO] [stdout] 192a87d6e634c26d90901edaf19adb2f0c375fbbd7158fe9d6fbf95421fe958e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/anti-sheep:/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] 25cd0379da5f614ba723dd80e722007ba0a3ccd6066a27b1aa2a046377d503d9
[INFO] running `"docker" "start" "-a" "25cd0379da5f614ba723dd80e722007ba0a3ccd6066a27b1aa2a046377d503d9"`
[INFO] [stderr]    Compiling anti-sheep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/defs.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 |             let mut reverse_solve_sequence =
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "25cd0379da5f614ba723dd80e722007ba0a3ccd6066a27b1aa2a046377d503d9"`
[INFO] running `"docker" "rm" "-f" "25cd0379da5f614ba723dd80e722007ba0a3ccd6066a27b1aa2a046377d503d9"`
[INFO] [stdout] 25cd0379da5f614ba723dd80e722007ba0a3ccd6066a27b1aa2a046377d503d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/h3nnn4n/anti-sheep:/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] e054ea984dca725c193b93ef879056ae29ac3d5e191deab8339f812b774c9571
[INFO] running `"docker" "start" "-a" "e054ea984dca725c193b93ef879056ae29ac3d5e191deab8339f812b774c9571"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/anti_sheep-61e2b50c0de065df
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test cube::tests::r_move ... ok
[INFO] [stdout] test cube::tests::seq_test ... ok
[INFO] [stdout] test cube::tests::random_shuffle ... ok
[INFO] [stdout] test cube::tests::encode_decode ... ok
[INFO] [stdout] test cube::tests::is_solved ... ok
[INFO] [stdout] test cube::tests::f_move ... ok
[INFO] [stdout] test cube::tests::solve_1 ... ok
[INFO] [stdout] test cube::tests::solve_3 ... ok
[INFO] [stdout] test cube::tests::solve_2 ... ok
[INFO] [stdout] test cube::tests::solve_6 ... ok
[INFO] [stdout] test cube::tests::solve_5 ... ok
[INFO] [stdout] test cube::tests::solve_4 ... ok
[INFO] [stdout] test cube::tests::u_move ... ok
[INFO] [stdout] test cube::tests::solve_7 ... ok
[INFO] [stdout] test cube::tests::solve_8 ... ok
[INFO] [stdout] test defs::tests::reverse ... ok
[INFO] [stdout] test cube::tests::solve_9 ... ok
[INFO] [stdout] test cube::tests::compare_solver_forward_double_headed ... ok
[INFO] [stdout] test cube::tests::compare_solver_reverse_double_headed ... ok
[INFO] [stdout] test cube::tests::solve_10 ... ok
[INFO] [stdout] test cube::tests::compare_solver_forward_reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e054ea984dca725c193b93ef879056ae29ac3d5e191deab8339f812b774c9571"`
[INFO] running `"docker" "rm" "-f" "e054ea984dca725c193b93ef879056ae29ac3d5e191deab8339f812b774c9571"`
[INFO] [stdout] e054ea984dca725c193b93ef879056ae29ac3d5e191deab8339f812b774c9571