[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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/aochagavia/Rust-Sudoku-Solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/aochagavia/Rust-Sudoku-Solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aochagavia/Rust-Sudoku-Solver" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/aochagavia/Rust-Sudoku-Solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aochagavia/Rust-Sudoku-Solver on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sudoku v0.7.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aochagavia/Rust-Sudoku-Solver against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/aochagavia/Rust-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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1929f3d440b088939190667775332b3e91fb143e08bd002ba39af28e794c1c0
[INFO] running `"docker" "start" "-a" "a1929f3d440b088939190667775332b3e91fb143e08bd002ba39af28e794c1c0"`
[INFO] [stderr]    Compiling crunchy v0.2.1
[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]    |                      --------^^^^^^^^^^^
[INFO] [stderr]    |                      |
[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]    |                      --------^^^^^^^^^^^
[INFO] [stderr]    |                      |
[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" "a1929f3d440b088939190667775332b3e91fb143e08bd002ba39af28e794c1c0"`
[INFO] running `"docker" "rm" "-f" "a1929f3d440b088939190667775332b3e91fb143e08bd002ba39af28e794c1c0"`
[INFO] [stdout] a1929f3d440b088939190667775332b3e91fb143e08bd002ba39af28e794c1c0