Dec 14 09:52:06.748 INFO testing H2CO3/sudoku against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 09:52:06.748 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 09:52:06.978 INFO [stdout] f62e1c86f4634738c8aa704f90b136df89811a4dce264f05a0a5d65e4ff5a002
Dec 14 09:52:06.979 INFO running `"docker" "start" "-a" "f62e1c86f4634738c8aa704f90b136df89811a4dce264f05a0a5d65e4ff5a002"`
Dec 14 09:52:07.397 INFO [stderr] usermod: no changes
Dec 14 09:52:07.432 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 14 09:52:07.879 INFO [stderr] warning: unused variable: `s2`
Dec 14 09:52:07.880 INFO [stderr]    --> src/main.rs:113:9
Dec 14 09:52:07.880 INFO [stderr]     |
Dec 14 09:52:07.880 INFO [stderr] 113 |     let s2 = Grid {
Dec 14 09:52:07.880 INFO [stderr]     |         ^^ help: consider using `_s2` instead
Dec 14 09:52:07.880 INFO [stderr]     |
Dec 14 09:52:07.880 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 09:52:07.880 INFO [stderr] 
Dec 14 09:52:08.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 14 09:52:08.395 INFO [stderr] su: No module specific data is present
Dec 14 09:52:08.771 INFO running `"docker" "inspect" "f62e1c86f4634738c8aa704f90b136df89811a4dce264f05a0a5d65e4ff5a002"`
Dec 14 09:52:09.003 INFO running `"docker" "rm" "-f" "f62e1c86f4634738c8aa704f90b136df89811a4dce264f05a0a5d65e4ff5a002"`
Dec 14 09:52:09.243 INFO [stdout] f62e1c86f4634738c8aa704f90b136df89811a4dce264f05a0a5d65e4ff5a002
Dec 14 09:52:09.243 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 09:52:09.598 INFO [stdout] 6233275ab3f34b3939897a9eca7a047f0611701388da358bf350e09101d05c9f
Dec 14 09:52:09.600 INFO running `"docker" "start" "-a" "6233275ab3f34b3939897a9eca7a047f0611701388da358bf350e09101d05c9f"`
Dec 14 09:52:10.058 INFO [stderr] usermod: no changes
Dec 14 09:52:10.099 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 14 09:52:10.615 INFO [stderr] warning: unused variable: `s2`
Dec 14 09:52:10.615 INFO [stderr]    --> src/main.rs:113:9
Dec 14 09:52:10.615 INFO [stderr]     |
Dec 14 09:52:10.615 INFO [stderr] 113 |     let s2 = Grid {
Dec 14 09:52:10.615 INFO [stderr]     |         ^^ help: consider using `_s2` instead
Dec 14 09:52:10.615 INFO [stderr]     |
Dec 14 09:52:10.615 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 09:52:10.615 INFO [stderr] 
Dec 14 09:52:10.914 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 14 09:52:10.917 INFO [stderr] su: No module specific data is present
Dec 14 09:52:11.173 INFO running `"docker" "inspect" "6233275ab3f34b3939897a9eca7a047f0611701388da358bf350e09101d05c9f"`
Dec 14 09:52:11.244 INFO running `"docker" "rm" "-f" "6233275ab3f34b3939897a9eca7a047f0611701388da358bf350e09101d05c9f"`
Dec 14 09:52:11.367 INFO [stdout] 6233275ab3f34b3939897a9eca7a047f0611701388da358bf350e09101d05c9f
Dec 14 09:52:11.375 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 09:52:11.617 INFO [stdout] e8d0ea858951a48e16f4ffa46f4de2de18ac5946f8612407461672515c5fc9b2
Dec 14 09:52:11.623 INFO running `"docker" "start" "-a" "e8d0ea858951a48e16f4ffa46f4de2de18ac5946f8612407461672515c5fc9b2"`
Dec 14 09:52:12.119 INFO [stderr] usermod: no changes
Dec 14 09:52:12.159 INFO [stdout] 
Dec 14 09:52:12.159 INFO [stdout] running 0 tests
Dec 14 09:52:12.159 INFO [stdout] 
Dec 14 09:52:12.159 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 09:52:12.159 INFO [stdout] 
Dec 14 09:52:12.159 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 09:52:12.159 INFO [stderr]      Running /target/debug/deps/sudoku-3a5d6d2560e89a6e
Dec 14 09:52:12.160 INFO [stderr] su: No module specific data is present
Dec 14 09:52:12.497 INFO running `"docker" "inspect" "e8d0ea858951a48e16f4ffa46f4de2de18ac5946f8612407461672515c5fc9b2"`
Dec 14 09:52:12.615 INFO running `"docker" "rm" "-f" "e8d0ea858951a48e16f4ffa46f4de2de18ac5946f8612407461672515c5fc9b2"`
Dec 14 09:52:12.802 INFO [stdout] e8d0ea858951a48e16f4ffa46f4de2de18ac5946f8612407461672515c5fc9b2