Dec 14 04:57:18.352 INFO testing VaclavStebra/rust-book-references-and-borrowing against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 04:57:18.352 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 04:57:18.648 INFO [stdout] 506595813a39c52a328a026c86923ec1741e23fb9e5218fb6afc97dc23ab5fd4
Dec 14 04:57:18.650 INFO running `"docker" "start" "-a" "506595813a39c52a328a026c86923ec1741e23fb9e5218fb6afc97dc23ab5fd4"`
Dec 14 04:57:19.220 INFO [stderr] usermod: no changes
Dec 14 04:57:19.240 INFO [stderr]    Compiling rust-book-references-and-borrowing v0.1.0 (/source)
Dec 14 04:57:19.537 INFO [stderr] warning: unused variable: `r1`
Dec 14 04:57:19.537 INFO [stderr]   --> src/main.rs:20:9
Dec 14 04:57:19.537 INFO [stderr]    |
Dec 14 04:57:19.537 INFO [stderr] 20 |     let r1 = &mut s2;
Dec 14 04:57:19.537 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 14 04:57:19.537 INFO [stderr]    |
Dec 14 04:57:19.537 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:57:19.537 INFO [stderr] 
Dec 14 04:57:19.813 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 14 04:57:19.816 INFO [stderr] su: No module specific data is present
Dec 14 04:57:20.015 INFO running `"docker" "inspect" "506595813a39c52a328a026c86923ec1741e23fb9e5218fb6afc97dc23ab5fd4"`
Dec 14 04:57:20.127 INFO running `"docker" "rm" "-f" "506595813a39c52a328a026c86923ec1741e23fb9e5218fb6afc97dc23ab5fd4"`
Dec 14 04:57:20.258 INFO [stdout] 506595813a39c52a328a026c86923ec1741e23fb9e5218fb6afc97dc23ab5fd4
Dec 14 04:57:20.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 04:57:20.405 INFO [stdout] 6a441de61122b5c17d433048f13664900502f83bbd3c1b3df56dc4c63673ac4b
Dec 14 04:57:20.407 INFO running `"docker" "start" "-a" "6a441de61122b5c17d433048f13664900502f83bbd3c1b3df56dc4c63673ac4b"`
Dec 14 04:57:20.868 INFO [stderr] usermod: no changes
Dec 14 04:57:20.902 INFO [stderr]    Compiling rust-book-references-and-borrowing v0.1.0 (/source)
Dec 14 04:57:21.310 INFO [stderr] warning: unused variable: `r1`
Dec 14 04:57:21.310 INFO [stderr]   --> src/main.rs:20:9
Dec 14 04:57:21.310 INFO [stderr]    |
Dec 14 04:57:21.310 INFO [stderr] 20 |     let r1 = &mut s2;
Dec 14 04:57:21.310 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 14 04:57:21.310 INFO [stderr]    |
Dec 14 04:57:21.310 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:57:21.310 INFO [stderr] 
Dec 14 04:57:21.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 14 04:57:21.530 INFO [stderr] su: No module specific data is present
Dec 14 04:57:21.752 INFO running `"docker" "inspect" "6a441de61122b5c17d433048f13664900502f83bbd3c1b3df56dc4c63673ac4b"`
Dec 14 04:57:21.828 INFO running `"docker" "rm" "-f" "6a441de61122b5c17d433048f13664900502f83bbd3c1b3df56dc4c63673ac4b"`
Dec 14 04:57:21.909 INFO [stdout] 6a441de61122b5c17d433048f13664900502f83bbd3c1b3df56dc4c63673ac4b
Dec 14 04:57:21.910 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 04:57:22.062 INFO [stdout] ab50d10293be813332a7f9a728e3bd374ef1a6684640d47fc662169049b6b2b8
Dec 14 04:57:22.064 INFO running `"docker" "start" "-a" "ab50d10293be813332a7f9a728e3bd374ef1a6684640d47fc662169049b6b2b8"`
Dec 14 04:57:22.405 INFO [stderr] usermod: no changes
Dec 14 04:57:22.428 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Dec 14 04:57:22.428 INFO [stderr]      Running /target/debug/deps/rust_book_references_and_borrowing-e50d31cd0f8a6c42
Dec 14 04:57:22.430 INFO [stdout] 
Dec 14 04:57:22.430 INFO [stdout] running 0 tests
Dec 14 04:57:22.430 INFO [stdout] 
Dec 14 04:57:22.430 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:57:22.430 INFO [stdout] 
Dec 14 04:57:22.431 INFO [stderr] su: No module specific data is present
Dec 14 04:57:22.855 INFO running `"docker" "inspect" "ab50d10293be813332a7f9a728e3bd374ef1a6684640d47fc662169049b6b2b8"`
Dec 14 04:57:22.954 INFO running `"docker" "rm" "-f" "ab50d10293be813332a7f9a728e3bd374ef1a6684640d47fc662169049b6b2b8"`
Dec 14 04:57:23.038 INFO [stdout] ab50d10293be813332a7f9a728e3bd374ef1a6684640d47fc662169049b6b2b8