Dec 14 09:52:07.716 INFO testing H2CO3/sudoku against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 09:52:07.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 09:52:07.937 INFO [stdout] 1ae0e2b74b9bf8e34324098346b7ff7dc0af06e204268f827650b212c566f0c6
Dec 14 09:52:07.939 INFO running `"docker" "start" "-a" "1ae0e2b74b9bf8e34324098346b7ff7dc0af06e204268f827650b212c566f0c6"`
Dec 14 09:52:08.703 INFO [stderr] usermod: no changes
Dec 14 09:52:08.723 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 14 09:52:09.162 INFO [stderr] warning: unused variable: `s2`
Dec 14 09:52:09.162 INFO [stderr]    --> src/main.rs:113:9
Dec 14 09:52:09.162 INFO [stderr]     |
Dec 14 09:52:09.162 INFO [stderr] 113 |     let s2 = Grid {
Dec 14 09:52:09.162 INFO [stderr]     |         ^^ help: consider using `_s2` instead
Dec 14 09:52:09.162 INFO [stderr]     |
Dec 14 09:52:09.162 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 09:52:09.162 INFO [stderr] 
Dec 14 09:52:09.686 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 14 09:52:09.689 INFO [stderr] su: No module specific data is present
Dec 14 09:52:10.067 INFO running `"docker" "inspect" "1ae0e2b74b9bf8e34324098346b7ff7dc0af06e204268f827650b212c566f0c6"`
Dec 14 09:52:10.197 INFO running `"docker" "rm" "-f" "1ae0e2b74b9bf8e34324098346b7ff7dc0af06e204268f827650b212c566f0c6"`
Dec 14 09:52:10.331 INFO [stdout] 1ae0e2b74b9bf8e34324098346b7ff7dc0af06e204268f827650b212c566f0c6
Dec 14 09:52:10.337 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 09:52:10.564 INFO [stdout] 0709899e338ea0e95683057e8f218b55a154b0e28938c8cd35b390b3fc62fd84
Dec 14 09:52:10.569 INFO running `"docker" "start" "-a" "0709899e338ea0e95683057e8f218b55a154b0e28938c8cd35b390b3fc62fd84"`
Dec 14 09:52:11.094 INFO [stderr] usermod: no changes
Dec 14 09:52:11.131 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 14 09:52:11.672 INFO [stderr] warning: unused variable: `s2`
Dec 14 09:52:11.672 INFO [stderr]    --> src/main.rs:113:9
Dec 14 09:52:11.672 INFO [stderr]     |
Dec 14 09:52:11.672 INFO [stderr] 113 |     let s2 = Grid {
Dec 14 09:52:11.672 INFO [stderr]     |         ^^ help: consider using `_s2` instead
Dec 14 09:52:11.672 INFO [stderr]     |
Dec 14 09:52:11.672 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 09:52:11.672 INFO [stderr] 
Dec 14 09:52:11.967 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 14 09:52:11.967 INFO [stderr] su: No module specific data is present
Dec 14 09:52:12.330 INFO running `"docker" "inspect" "0709899e338ea0e95683057e8f218b55a154b0e28938c8cd35b390b3fc62fd84"`
Dec 14 09:52:12.445 INFO running `"docker" "rm" "-f" "0709899e338ea0e95683057e8f218b55a154b0e28938c8cd35b390b3fc62fd84"`
Dec 14 09:52:12.579 INFO [stdout] 0709899e338ea0e95683057e8f218b55a154b0e28938c8cd35b390b3fc62fd84
Dec 14 09:52:12.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 09:52:12.851 INFO [stdout] b3033aa57a01eae1f164efc082121244226023cb487b1ac9a7f7f40160377da1
Dec 14 09:52:12.853 INFO running `"docker" "start" "-a" "b3033aa57a01eae1f164efc082121244226023cb487b1ac9a7f7f40160377da1"`
Dec 14 09:52:13.315 INFO [stderr] usermod: no changes
Dec 14 09:52:13.342 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 09:52:13.347 INFO [stderr]      Running /target/debug/deps/sudoku-1ea0b7e0ef7e7b77
Dec 14 09:52:13.351 INFO [stdout] 
Dec 14 09:52:13.351 INFO [stdout] running 0 tests
Dec 14 09:52:13.351 INFO [stdout] 
Dec 14 09:52:13.351 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 09:52:13.351 INFO [stdout] 
Dec 14 09:52:13.352 INFO [stderr] su: No module specific data is present
Dec 14 09:52:13.619 INFO running `"docker" "inspect" "b3033aa57a01eae1f164efc082121244226023cb487b1ac9a7f7f40160377da1"`
Dec 14 09:52:13.716 INFO running `"docker" "rm" "-f" "b3033aa57a01eae1f164efc082121244226023cb487b1ac9a7f7f40160377da1"`
Dec 14 09:52:13.864 INFO [stdout] b3033aa57a01eae1f164efc082121244226023cb487b1ac9a7f7f40160377da1