[INFO] updating cached repository Skipants/sudoku_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Skipants/sudoku_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Skipants/sudoku_solver" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Skipants/sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Skipants/sudoku_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Skipants/sudoku_solver" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Skipants/sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Skipants/sudoku_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2213d71b3e001dfb5997b07e26b3b21ccf97fd6
[INFO] sha for GitHub repo Skipants/sudoku_solver: e2213d71b3e001dfb5997b07e26b3b21ccf97fd6
[INFO] validating manifest of Skipants/sudoku_solver on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Skipants/sudoku_solver on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Skipants/sudoku_solver
[INFO] finished frobbing Skipants/sudoku_solver
[INFO] frobbed toml for Skipants/sudoku_solver written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Skipants/sudoku_solver/Cargo.toml
[INFO] started frobbing Skipants/sudoku_solver
[INFO] finished frobbing Skipants/sudoku_solver
[INFO] frobbed toml for Skipants/sudoku_solver written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Skipants/sudoku_solver/Cargo.toml
[INFO] crate Skipants/sudoku_solver has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Skipants/sudoku_solver against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-1/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Skipants/sudoku_solver:/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=forbid" "-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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6018a9cfc8f1524a575c9a89178ddb754f9ed0daaa6121eadc29c6f3d43224a7
[INFO] running `"docker" "start" "-a" "6018a9cfc8f1524a575c9a89178ddb754f9ed0daaa6121eadc29c6f3d43224a7"`
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `sole_candidate`
[INFO] [stderr]  --> src/strategies/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod sole_candidate;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either sole_candidate.rs or sole_candidate/mod.rs inside the directory "src/strategies"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `sudoku_solver`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0583]: file not found for module `sole_candidate`
[INFO] [stderr]  --> src/strategies/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod sole_candidate;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either sole_candidate.rs or sole_candidate/mod.rs inside the directory "src/strategies"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `sudoku_solver`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6018a9cfc8f1524a575c9a89178ddb754f9ed0daaa6121eadc29c6f3d43224a7"`
[INFO] running `"docker" "rm" "-f" "6018a9cfc8f1524a575c9a89178ddb754f9ed0daaa6121eadc29c6f3d43224a7"`
[INFO] [stdout] 6018a9cfc8f1524a575c9a89178ddb754f9ed0daaa6121eadc29c6f3d43224a7