[INFO] updating cached repository CamilleDrapier/sudoku-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CamilleDrapier/sudoku-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CamilleDrapier/sudoku-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/CamilleDrapier/sudoku-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/CamilleDrapier/sudoku-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CamilleDrapier/sudoku-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CamilleDrapier/sudoku-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CamilleDrapier/sudoku-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34486daf948ab0c3d5b7486e46f0b93a47d43209
[INFO] sha for GitHub repo CamilleDrapier/sudoku-rs: 34486daf948ab0c3d5b7486e46f0b93a47d43209
[INFO] validating manifest of CamilleDrapier/sudoku-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CamilleDrapier/sudoku-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CamilleDrapier/sudoku-rs
[INFO] finished frobbing CamilleDrapier/sudoku-rs
[INFO] frobbed toml for CamilleDrapier/sudoku-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/CamilleDrapier/sudoku-rs/Cargo.toml
[INFO] started frobbing CamilleDrapier/sudoku-rs
[INFO] finished frobbing CamilleDrapier/sudoku-rs
[INFO] frobbed toml for CamilleDrapier/sudoku-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CamilleDrapier/sudoku-rs/Cargo.toml
[INFO] crate CamilleDrapier/sudoku-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing CamilleDrapier/sudoku-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CamilleDrapier/sudoku-rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6058755e571db74a1cda1dbb05d9ea24f475f27a0d22a9dd0a5216bb2eb52900
[INFO] running `"docker" "start" "-a" "6058755e571db74a1cda1dbb05d9ea24f475f27a0d22a9dd0a5216bb2eb52900"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "6058755e571db74a1cda1dbb05d9ea24f475f27a0d22a9dd0a5216bb2eb52900"`
[INFO] running `"docker" "rm" "-f" "6058755e571db74a1cda1dbb05d9ea24f475f27a0d22a9dd0a5216bb2eb52900"`
[INFO] [stdout] 6058755e571db74a1cda1dbb05d9ea24f475f27a0d22a9dd0a5216bb2eb52900
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CamilleDrapier/sudoku-rs:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d6b00d0bdd7846225874c78793330d4420515b085b53f50f79de5f95967dbefc
[INFO] running `"docker" "start" "-a" "d6b00d0bdd7846225874c78793330d4420515b085b53f50f79de5f95967dbefc"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "d6b00d0bdd7846225874c78793330d4420515b085b53f50f79de5f95967dbefc"`
[INFO] running `"docker" "rm" "-f" "d6b00d0bdd7846225874c78793330d4420515b085b53f50f79de5f95967dbefc"`
[INFO] [stdout] d6b00d0bdd7846225874c78793330d4420515b085b53f50f79de5f95967dbefc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CamilleDrapier/sudoku-rs:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e74b33c49976d51e175ac6aa1ca9d526482edba717c675857380d001f5e55526
[INFO] running `"docker" "start" "-a" "e74b33c49976d51e175ac6aa1ca9d526482edba717c675857380d001f5e55526"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-fceddd2866279d43
[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] [stderr]      Running /opt/crater/target/debug/deps/sudoku-b55141105f043d35
[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] [stderr]      Running /opt/crater/target/debug/deps/soduku-a6d61277698a98f6
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test it_finds_no_potentials_in_a_cell ... ok
[INFO] [stdout] test it_returns_a_solved_grid ... ok
[INFO] [stdout] test it_inits_all_none ... ok
[INFO] [stdout] test it_gets_values ... ok
[INFO] [stdout] test it_finds_potentials_in_a_cell ... ok
[INFO] [stdout] test it_finds_potentials_in_an_empty_cell ... ok
[INFO] [stdout] test it_checks_impossible ... ok
[INFO] [stdout] test it_solves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[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" "e74b33c49976d51e175ac6aa1ca9d526482edba717c675857380d001f5e55526"`
[INFO] running `"docker" "rm" "-f" "e74b33c49976d51e175ac6aa1ca9d526482edba717c675857380d001f5e55526"`
[INFO] [stdout] e74b33c49976d51e175ac6aa1ca9d526482edba717c675857380d001f5e55526