[INFO] updating cached repository coopersimon/RustSudokuSolver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/coopersimon/RustSudokuSolver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/coopersimon/RustSudokuSolver" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/coopersimon/RustSudokuSolver"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/coopersimon/RustSudokuSolver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/coopersimon/RustSudokuSolver" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/coopersimon/RustSudokuSolver"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/coopersimon/RustSudokuSolver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 625478f44e697554545f1298cc703089843a1cb1 [INFO] sha for GitHub repo coopersimon/RustSudokuSolver: 625478f44e697554545f1298cc703089843a1cb1 [INFO] validating manifest of coopersimon/RustSudokuSolver 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 coopersimon/RustSudokuSolver 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 coopersimon/RustSudokuSolver [INFO] finished frobbing coopersimon/RustSudokuSolver [INFO] frobbed toml for coopersimon/RustSudokuSolver written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/coopersimon/RustSudokuSolver/Cargo.toml [INFO] started frobbing coopersimon/RustSudokuSolver [INFO] finished frobbing coopersimon/RustSudokuSolver [INFO] frobbed toml for coopersimon/RustSudokuSolver written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/coopersimon/RustSudokuSolver/Cargo.toml [INFO] crate coopersimon/RustSudokuSolver 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking coopersimon/RustSudokuSolver against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/coopersimon/RustSudokuSolver:/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] 97b6a4dc3469f77e6edad99b0c6bc93245051f75a3990299d036aa9c49075f4b [INFO] running `"docker" "start" "-a" "97b6a4dc3469f77e6edad99b0c6bc93245051f75a3990299d036aa9c49075f4b"` [INFO] [stderr] Checking sudoku_solver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `"docker" "inspect" "97b6a4dc3469f77e6edad99b0c6bc93245051f75a3990299d036aa9c49075f4b"` [INFO] running `"docker" "rm" "-f" "97b6a4dc3469f77e6edad99b0c6bc93245051f75a3990299d036aa9c49075f4b"` [INFO] [stdout] 97b6a4dc3469f77e6edad99b0c6bc93245051f75a3990299d036aa9c49075f4b