[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-1.38-1/sources/1.37.0/gh/CamilleDrapier/sudoku-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CamilleDrapier/sudoku-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CamilleDrapier/sudoku-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CamilleDrapier/sudoku-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CamilleDrapier/sudoku-rs 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 CamilleDrapier/sudoku-rs
[INFO] finished frobbing CamilleDrapier/sudoku-rs
[INFO] frobbed toml for CamilleDrapier/sudoku-rs written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 CamilleDrapier/sudoku-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 100e437c11aa64cfe41b96f5ce85bf19bba26ef1b194afced0501b416a5e6e56
[INFO] running `"docker" "start" "-a" "100e437c11aa64cfe41b96f5ce85bf19bba26ef1b194afced0501b416a5e6e56"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "100e437c11aa64cfe41b96f5ce85bf19bba26ef1b194afced0501b416a5e6e56"`
[INFO] running `"docker" "rm" "-f" "100e437c11aa64cfe41b96f5ce85bf19bba26ef1b194afced0501b416a5e6e56"`
[INFO] [stdout] 100e437c11aa64cfe41b96f5ce85bf19bba26ef1b194afced0501b416a5e6e56
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 88eb0bacc808c451cb5ca255ab782f80d43ce5f36379e40e3030671c6ff4550f
[INFO] running `"docker" "start" "-a" "88eb0bacc808c451cb5ca255ab782f80d43ce5f36379e40e3030671c6ff4550f"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "88eb0bacc808c451cb5ca255ab782f80d43ce5f36379e40e3030671c6ff4550f"`
[INFO] running `"docker" "rm" "-f" "88eb0bacc808c451cb5ca255ab782f80d43ce5f36379e40e3030671c6ff4550f"`
[INFO] [stdout] 88eb0bacc808c451cb5ca255ab782f80d43ce5f36379e40e3030671c6ff4550f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c68550d249010d3879b5a79f5e741a4e218d33025c1d739fd4c8a59671657ac7
[INFO] running `"docker" "start" "-a" "c68550d249010d3879b5a79f5e741a4e218d33025c1d739fd4c8a59671657ac7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-fea1510a804a115f
[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-24df64fe72ef1315
[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-789e14cd8cb89afe
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test it_checks_impossible ... ok
[INFO] [stdout] test it_finds_no_potentials_in_a_cell ... ok
[INFO] [stdout] test it_gets_values ... ok
[INFO] [stdout] test it_finds_potentials_in_a_cell ... ok
[INFO] [stdout] test it_inits_all_none ... ok
[INFO] [stdout] test it_finds_potentials_in_an_empty_cell ... ok
[INFO] [stdout] test it_returns_a_solved_grid ... 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" "c68550d249010d3879b5a79f5e741a4e218d33025c1d739fd4c8a59671657ac7"`
[INFO] running `"docker" "rm" "-f" "c68550d249010d3879b5a79f5e741a4e218d33025c1d739fd4c8a59671657ac7"`
[INFO] [stdout] c68550d249010d3879b5a79f5e741a4e218d33025c1d739fd4c8a59671657ac7