[INFO] cloning repository drew-wallace/sudoku-solver-rust [INFO] running `"git" "clone" "--bare" "git://github.com/drew-wallace/sudoku-solver-rust.git" "work/cache/sources/gh/drew-wallace/sudoku-solver-rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/drew-wallace/sudoku-solver-rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/drew-wallace/sudoku-solver-rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/drew-wallace/sudoku-solver-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/drew-wallace/sudoku-solver-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/drew-wallace/sudoku-solver-rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/drew-wallace/sudoku-solver-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/drew-wallace/sudoku-solver-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e34672316843f53dd4c955efd5cc2ad71f67c0cc [INFO] sha for GitHub repo drew-wallace/sudoku-solver-rust: e34672316843f53dd4c955efd5cc2ad71f67c0cc [INFO] validating manifest of drew-wallace/sudoku-solver-rust 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 drew-wallace/sudoku-solver-rust 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 drew-wallace/sudoku-solver-rust [INFO] finished frobbing drew-wallace/sudoku-solver-rust [INFO] frobbed toml for drew-wallace/sudoku-solver-rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/drew-wallace/sudoku-solver-rust/Cargo.toml [INFO] started frobbing drew-wallace/sudoku-solver-rust [INFO] finished frobbing drew-wallace/sudoku-solver-rust [INFO] frobbed toml for drew-wallace/sudoku-solver-rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/drew-wallace/sudoku-solver-rust/Cargo.toml [INFO] crate drew-wallace/sudoku-solver-rust 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] testing drew-wallace/sudoku-solver-rust against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/drew-wallace/sudoku-solver-rust:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 4f0fef0bbacd8358c2eeecd7a00d1c02a561f1ca2f6d3ebe4ecde189d02f7d4a [INFO] running `"docker" "start" "-a" "4f0fef0bbacd8358c2eeecd7a00d1c02a561f1ca2f6d3ebe4ecde189d02f7d4a"` [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling sudoku-solver-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.85s [INFO] running `"docker" "inspect" "4f0fef0bbacd8358c2eeecd7a00d1c02a561f1ca2f6d3ebe4ecde189d02f7d4a"` [INFO] running `"docker" "rm" "-f" "4f0fef0bbacd8358c2eeecd7a00d1c02a561f1ca2f6d3ebe4ecde189d02f7d4a"` [INFO] [stdout] 4f0fef0bbacd8358c2eeecd7a00d1c02a561f1ca2f6d3ebe4ecde189d02f7d4a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/drew-wallace/sudoku-solver-rust:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 256f4d912a3a8861c3c0e3f4af7953148e4aee9ac6022098dc1a638d483d206b [INFO] running `"docker" "start" "-a" "256f4d912a3a8861c3c0e3f4af7953148e4aee9ac6022098dc1a638d483d206b"` [INFO] [stderr] Compiling sudoku-solver-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `"docker" "inspect" "256f4d912a3a8861c3c0e3f4af7953148e4aee9ac6022098dc1a638d483d206b"` [INFO] running `"docker" "rm" "-f" "256f4d912a3a8861c3c0e3f4af7953148e4aee9ac6022098dc1a638d483d206b"` [INFO] [stdout] 256f4d912a3a8861c3c0e3f4af7953148e4aee9ac6022098dc1a638d483d206b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/drew-wallace/sudoku-solver-rust:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 0b58b53d3f1e42443d780511d5561271bca3bee7da436dfb45a4071846b36f2c [INFO] running `"docker" "start" "-a" "0b58b53d3f1e42443d780511d5561271bca3bee7da436dfb45a4071846b36f2c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/sudoku_puzzle-e534373c71276daf [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] [stderr] Running /opt/crater/target/debug/deps/sudoku_puzzle-a81f2eb3105a2d95 [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] [stderr] Doc-tests sudoku_puzzle [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" "0b58b53d3f1e42443d780511d5561271bca3bee7da436dfb45a4071846b36f2c"` [INFO] running `"docker" "rm" "-f" "0b58b53d3f1e42443d780511d5561271bca3bee7da436dfb45a4071846b36f2c"` [INFO] [stdout] 0b58b53d3f1e42443d780511d5561271bca3bee7da436dfb45a4071846b36f2c