[INFO] updating cached repository stewart/ukodus-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stewart/ukodus-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stewart/ukodus-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/stewart/ukodus-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stewart/ukodus-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stewart/ukodus-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stewart/ukodus-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stewart/ukodus-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7e580ec4454b65dbe1108a46e37b43092226acc
[INFO] sha for GitHub repo stewart/ukodus-rs: f7e580ec4454b65dbe1108a46e37b43092226acc
[INFO] validating manifest of stewart/ukodus-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 stewart/ukodus-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 stewart/ukodus-rs
[INFO] finished frobbing stewart/ukodus-rs
[INFO] frobbed toml for stewart/ukodus-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/stewart/ukodus-rs/Cargo.toml
[INFO] started frobbing stewart/ukodus-rs
[INFO] finished frobbing stewart/ukodus-rs
[INFO] frobbed toml for stewart/ukodus-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stewart/ukodus-rs/Cargo.toml
[INFO] crate stewart/ukodus-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 stewart/ukodus-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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stewart/ukodus-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] c95cf1a052d046ec2388a3c638cfbcc321197952f81d5a4ddf174e798a7d3c0e
[INFO] running `"docker" "start" "-a" "c95cf1a052d046ec2388a3c638cfbcc321197952f81d5a4ddf174e798a7d3c0e"`
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling itertools v0.7.2
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling ukodus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `"docker" "inspect" "c95cf1a052d046ec2388a3c638cfbcc321197952f81d5a4ddf174e798a7d3c0e"`
[INFO] running `"docker" "rm" "-f" "c95cf1a052d046ec2388a3c638cfbcc321197952f81d5a4ddf174e798a7d3c0e"`
[INFO] [stdout] c95cf1a052d046ec2388a3c638cfbcc321197952f81d5a4ddf174e798a7d3c0e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stewart/ukodus-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] 0a27743e605f20ff3f64e50d4b172db292bb0910d80f70aa26a14e7b984c43d5
[INFO] running `"docker" "start" "-a" "0a27743e605f20ff3f64e50d4b172db292bb0910d80f70aa26a14e7b984c43d5"`
[INFO] [stderr]    Compiling ukodus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `"docker" "inspect" "0a27743e605f20ff3f64e50d4b172db292bb0910d80f70aa26a14e7b984c43d5"`
[INFO] running `"docker" "rm" "-f" "0a27743e605f20ff3f64e50d4b172db292bb0910d80f70aa26a14e7b984c43d5"`
[INFO] [stdout] 0a27743e605f20ff3f64e50d4b172db292bb0910d80f70aa26a14e7b984c43d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stewart/ukodus-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] 58109dfa12a3aad7a07dca7d0d33d386351c4d9b355c5743d6b1a953dd34a14e
[INFO] running `"docker" "start" "-a" "58109dfa12a3aad7a07dca7d0d33d386351c4d9b355c5743d6b1a953dd34a14e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ukodus-a863d0ea022fd3b0
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test puzzle::tests::test_col ... ok
[INFO] [stdout] test puzzle::tests::test_cols ... ok
[INFO] [stdout] test puzzle::tests::test_boxes ... ok
[INFO] [stdout] test puzzle::tests::test_count ... ok
[INFO] [stdout] test puzzle::tests::test_find_box ... ok
[INFO] [stdout] test puzzle::tests::test_get ... ok
[INFO] [stdout] test puzzle::tests::test_is_valid ... ok
[INFO] [stdout] test puzzle::tests::test_gaps ... ok
[INFO] [stdout] test puzzle::tests::test_row ... ok
[INFO] [stdout] test puzzle::tests::test_possibilities_for ... ok
[INFO] [stdout] test puzzle::tests::test_rows ... ok
[INFO] [stdout] test puzzle::tests::test_set ... ok
[INFO] [stdout] test solver::tests::test_solver_basic ... ok
[INFO] [stdout] test solver::tests::test_solver_hard ... ok
[INFO] [stdout] test solver::tests::test_solvable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ukodus-def26591b1ff01df
[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]    Doc-tests ukodus
[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" "58109dfa12a3aad7a07dca7d0d33d386351c4d9b355c5743d6b1a953dd34a14e"`
[INFO] running `"docker" "rm" "-f" "58109dfa12a3aad7a07dca7d0d33d386351c4d9b355c5743d6b1a953dd34a14e"`
[INFO] [stdout] 58109dfa12a3aad7a07dca7d0d33d386351c4d9b355c5743d6b1a953dd34a14e