[INFO] updating cached repository nareshganduri/sudoku-solver-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nareshganduri/sudoku-solver-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nareshganduri/sudoku-solver-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/nareshganduri/sudoku-solver-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nareshganduri/sudoku-solver-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nareshganduri/sudoku-solver-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nareshganduri/sudoku-solver-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nareshganduri/sudoku-solver-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebf9087b4385681872ff45b23a837486c10bc4a9
[INFO] sha for GitHub repo nareshganduri/sudoku-solver-rs: ebf9087b4385681872ff45b23a837486c10bc4a9
[INFO] validating manifest of nareshganduri/sudoku-solver-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 nareshganduri/sudoku-solver-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 nareshganduri/sudoku-solver-rs
[INFO] finished frobbing nareshganduri/sudoku-solver-rs
[INFO] frobbed toml for nareshganduri/sudoku-solver-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/nareshganduri/sudoku-solver-rs/Cargo.toml
[INFO] started frobbing nareshganduri/sudoku-solver-rs
[INFO] finished frobbing nareshganduri/sudoku-solver-rs
[INFO] frobbed toml for nareshganduri/sudoku-solver-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nareshganduri/sudoku-solver-rs/Cargo.toml
[INFO] crate nareshganduri/sudoku-solver-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 nareshganduri/sudoku-solver-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/nareshganduri/sudoku-solver-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] a85edcb927b2d23b4d3b8537d2188c81d40a856c1d420496dbcca8995d3759d7
[INFO] running `"docker" "start" "-a" "a85edcb927b2d23b4d3b8537d2188c81d40a856c1d420496dbcca8995d3759d7"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "a85edcb927b2d23b4d3b8537d2188c81d40a856c1d420496dbcca8995d3759d7"`
[INFO] running `"docker" "rm" "-f" "a85edcb927b2d23b4d3b8537d2188c81d40a856c1d420496dbcca8995d3759d7"`
[INFO] [stdout] a85edcb927b2d23b4d3b8537d2188c81d40a856c1d420496dbcca8995d3759d7
[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/nareshganduri/sudoku-solver-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] 2e5df8cdfba179c817f04a2492b65f5c0e89470c530ac5bf45244af6e0eb37d6
[INFO] running `"docker" "start" "-a" "2e5df8cdfba179c817f04a2492b65f5c0e89470c530ac5bf45244af6e0eb37d6"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "2e5df8cdfba179c817f04a2492b65f5c0e89470c530ac5bf45244af6e0eb37d6"`
[INFO] running `"docker" "rm" "-f" "2e5df8cdfba179c817f04a2492b65f5c0e89470c530ac5bf45244af6e0eb37d6"`
[INFO] [stdout] 2e5df8cdfba179c817f04a2492b65f5c0e89470c530ac5bf45244af6e0eb37d6
[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/nareshganduri/sudoku-solver-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] e8e0508c83fcf1ca656755b04f68aac13fa0ca9842ff06472cface5e2c962296
[INFO] running `"docker" "start" "-a" "e8e0508c83fcf1ca656755b04f68aac13fa0ca9842ff06472cface5e2c962296"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-f0cb718e9a1dc890
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sudoku::tests::test_parse ... ok
[INFO] [stdout] test tests::test_solve ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-e44aff9100f5e43d
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 sudoku-solver
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - solve (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e8e0508c83fcf1ca656755b04f68aac13fa0ca9842ff06472cface5e2c962296"`
[INFO] running `"docker" "rm" "-f" "e8e0508c83fcf1ca656755b04f68aac13fa0ca9842ff06472cface5e2c962296"`
[INFO] [stdout] e8e0508c83fcf1ca656755b04f68aac13fa0ca9842ff06472cface5e2c962296