[INFO] cloning repository MinusKelvin/sudoku-solver [INFO] running `"git" "clone" "--bare" "git://github.com/MinusKelvin/sudoku-solver.git" "work/cache/sources/gh/MinusKelvin/sudoku-solver"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/MinusKelvin/sudoku-solver'... [INFO] running `"git" "clone" "work/cache/sources/gh/MinusKelvin/sudoku-solver" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/MinusKelvin/sudoku-solver"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/MinusKelvin/sudoku-solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/MinusKelvin/sudoku-solver" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/MinusKelvin/sudoku-solver"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/MinusKelvin/sudoku-solver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f3074f4eae3ea967579ee5a9bc27db67754aef3 [INFO] sha for GitHub repo MinusKelvin/sudoku-solver: 3f3074f4eae3ea967579ee5a9bc27db67754aef3 [INFO] validating manifest of MinusKelvin/sudoku-solver on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of MinusKelvin/sudoku-solver on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing MinusKelvin/sudoku-solver [INFO] finished frobbing MinusKelvin/sudoku-solver [INFO] frobbed toml for MinusKelvin/sudoku-solver written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/MinusKelvin/sudoku-solver/Cargo.toml [INFO] started frobbing MinusKelvin/sudoku-solver [INFO] finished frobbing MinusKelvin/sudoku-solver [INFO] frobbed toml for MinusKelvin/sudoku-solver written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/MinusKelvin/sudoku-solver/Cargo.toml [INFO] crate MinusKelvin/sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing MinusKelvin/sudoku-solver against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/MinusKelvin/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 0d00fa03bfadbec73f990c94c530ed66fe1912485681851214c6b7564b2ae286 [INFO] running `"docker" "start" "-a" "0d00fa03bfadbec73f990c94c530ed66fe1912485681851214c6b7564b2ae286"` [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling enumset_derive v0.3.0 [INFO] [stderr] Compiling enumset v0.3.17 [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.03s [INFO] running `"docker" "inspect" "0d00fa03bfadbec73f990c94c530ed66fe1912485681851214c6b7564b2ae286"` [INFO] running `"docker" "rm" "-f" "0d00fa03bfadbec73f990c94c530ed66fe1912485681851214c6b7564b2ae286"` [INFO] [stdout] 0d00fa03bfadbec73f990c94c530ed66fe1912485681851214c6b7564b2ae286 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/MinusKelvin/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] d68649e3ab318f36d9d7e522accd70698a2a106aaade13e567714e64aedd76fe [INFO] running `"docker" "start" "-a" "d68649e3ab318f36d9d7e522accd70698a2a106aaade13e567714e64aedd76fe"` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `"docker" "inspect" "d68649e3ab318f36d9d7e522accd70698a2a106aaade13e567714e64aedd76fe"` [INFO] running `"docker" "rm" "-f" "d68649e3ab318f36d9d7e522accd70698a2a106aaade13e567714e64aedd76fe"` [INFO] [stdout] d68649e3ab318f36d9d7e522accd70698a2a106aaade13e567714e64aedd76fe [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/MinusKelvin/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 3a47512381b5c928d524cf441ad663920e6844194e2f9459e7b981af5478cee4 [INFO] running `"docker" "start" "-a" "3a47512381b5c928d524cf441ad663920e6844194e2f9459e7b981af5478cee4"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/sudoku-e461e4b49328ff53 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "3a47512381b5c928d524cf441ad663920e6844194e2f9459e7b981af5478cee4"` [INFO] running `"docker" "rm" "-f" "3a47512381b5c928d524cf441ad663920e6844194e2f9459e7b981af5478cee4"` [INFO] [stdout] 3a47512381b5c928d524cf441ad663920e6844194e2f9459e7b981af5478cee4