[INFO] updating cached repository proudzhu/sudoku-brute-force [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/proudzhu/sudoku-brute-force [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/proudzhu/sudoku-brute-force" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/proudzhu/sudoku-brute-force"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/proudzhu/sudoku-brute-force'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/proudzhu/sudoku-brute-force" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/proudzhu/sudoku-brute-force"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/proudzhu/sudoku-brute-force'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a03ed5c59d6d49a04ad5f8dce6908a3473c97bb7 [INFO] sha for GitHub repo proudzhu/sudoku-brute-force: a03ed5c59d6d49a04ad5f8dce6908a3473c97bb7 [INFO] validating manifest of proudzhu/sudoku-brute-force on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of proudzhu/sudoku-brute-force on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing proudzhu/sudoku-brute-force [INFO] finished frobbing proudzhu/sudoku-brute-force [INFO] frobbed toml for proudzhu/sudoku-brute-force written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/proudzhu/sudoku-brute-force/Cargo.toml [INFO] started frobbing proudzhu/sudoku-brute-force [INFO] finished frobbing proudzhu/sudoku-brute-force [INFO] frobbed toml for proudzhu/sudoku-brute-force written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/proudzhu/sudoku-brute-force/Cargo.toml [INFO] crate proudzhu/sudoku-brute-force already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking proudzhu/sudoku-brute-force against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/proudzhu/sudoku-brute-force:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9ce5f9f4043ae2f71f2f7210a64e61c254bed002bfd8ddb0c04a6d99dc6c941d [INFO] running `"docker" "start" "-a" "9ce5f9f4043ae2f71f2f7210a64e61c254bed002bfd8ddb0c04a6d99dc6c941d"` [INFO] [stderr] Checking brute_force v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `"docker" "inspect" "9ce5f9f4043ae2f71f2f7210a64e61c254bed002bfd8ddb0c04a6d99dc6c941d"` [INFO] running `"docker" "rm" "-f" "9ce5f9f4043ae2f71f2f7210a64e61c254bed002bfd8ddb0c04a6d99dc6c941d"` [INFO] [stdout] 9ce5f9f4043ae2f71f2f7210a64e61c254bed002bfd8ddb0c04a6d99dc6c941d