[INFO] updating cached repository aochagavia/Rust-Sudoku-Solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aochagavia/Rust-Sudoku-Solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aochagavia/Rust-Sudoku-Solver" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/aochagavia/Rust-Sudoku-Solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/aochagavia/Rust-Sudoku-Solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aochagavia/Rust-Sudoku-Solver" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/aochagavia/Rust-Sudoku-Solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/aochagavia/Rust-Sudoku-Solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49f77dabb932987804b21e9a44945d359ab9ccfe
[INFO] sha for GitHub repo aochagavia/Rust-Sudoku-Solver: 49f77dabb932987804b21e9a44945d359ab9ccfe
[INFO] validating manifest of aochagavia/Rust-Sudoku-Solver on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aochagavia/Rust-Sudoku-Solver on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aochagavia/Rust-Sudoku-Solver
[INFO] finished frobbing aochagavia/Rust-Sudoku-Solver
[INFO] frobbed toml for aochagavia/Rust-Sudoku-Solver written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/aochagavia/Rust-Sudoku-Solver/Cargo.toml
[INFO] started frobbing aochagavia/Rust-Sudoku-Solver
[INFO] finished frobbing aochagavia/Rust-Sudoku-Solver
[INFO] frobbed toml for aochagavia/Rust-Sudoku-Solver written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/aochagavia/Rust-Sudoku-Solver/Cargo.toml
[INFO] crate aochagavia/Rust-Sudoku-Solver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/aochagavia/Rust-Sudoku-Solver/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aochagavia/Rust-Sudoku-Solver against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-0/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/aochagavia/Rust-Sudoku-Solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4b8f2777be30632e3ef27bc88487d5e8de2c1adbe5cf44a589596eb50b0bd576
[INFO] running `"docker" "start" "-a" "4b8f2777be30632e3ef27bc88487d5e8de2c1adbe5cf44a589596eb50b0bd576"`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking sudoku v0.7.0
[INFO] [stderr]     Checking ssolver v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no function or associated item named `from_reader` found for type `sudoku::Sudoku` in the current scope
[INFO] [stderr]   --> src/main.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut sudoku = Sudoku::from_reader(BufReader::new(file)).unwrap();
[INFO] [stderr]    |                              ^^^^^^^^^^^ function or associated item not found in `sudoku::Sudoku`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `ssolver`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no function or associated item named `from_reader` found for type `sudoku::Sudoku` in the current scope
[INFO] [stderr]   --> src/main.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut sudoku = Sudoku::from_reader(BufReader::new(file)).unwrap();
[INFO] [stderr]    |                              ^^^^^^^^^^^ function or associated item not found in `sudoku::Sudoku`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `ssolver`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4b8f2777be30632e3ef27bc88487d5e8de2c1adbe5cf44a589596eb50b0bd576"`
[INFO] running `"docker" "rm" "-f" "4b8f2777be30632e3ef27bc88487d5e8de2c1adbe5cf44a589596eb50b0bd576"`
[INFO] [stdout] 4b8f2777be30632e3ef27bc88487d5e8de2c1adbe5cf44a589596eb50b0bd576