Dec 03 12:03:13.344 INFO testing file_diff-1.0.0 against 1.30.1 for beta-1.31-5
Dec 03 12:03:13.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:03:13.614 INFO [stdout] 4e309e7bf35671e116e710f26587e8425ac0c9be770955a6ba534196372ad359
Dec 03 12:03:13.616 INFO running `"docker" "start" "-a" "4e309e7bf35671e116e710f26587e8425ac0c9be770955a6ba534196372ad359"`
Dec 03 12:03:14.171 INFO [stderr] usermod: no changes
Dec 03 12:03:14.200 INFO [stderr]    Compiling file_diff v1.0.0 (/source)
Dec 03 12:03:14.945 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:03:14.945 INFO [stderr]   --> src/lib.rs:49:9
Dec 03 12:03:14.945 INFO [stderr]    |
Dec 03 12:03:14.945 INFO [stderr] 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Dec 03 12:03:14.945 INFO [stderr]    |         ----^^^^^
Dec 03 12:03:14.945 INFO [stderr]    |         |
Dec 03 12:03:14.945 INFO [stderr]    |         help: remove this `mut`
Dec 03 12:03:14.945 INFO [stderr]    |
Dec 03 12:03:14.945 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 12:03:14.945 INFO [stderr] 
Dec 03 12:03:14.945 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:03:14.945 INFO [stderr]   --> src/lib.rs:50:9
Dec 03 12:03:14.945 INFO [stderr]    |
Dec 03 12:03:14.945 INFO [stderr] 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Dec 03 12:03:14.945 INFO [stderr]    |         ----^^^^^
Dec 03 12:03:14.945 INFO [stderr]    |         |
Dec 03 12:03:14.945 INFO [stderr]    |         help: remove this `mut`
Dec 03 12:03:14.945 INFO [stderr] 
Dec 03 12:03:15.018 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 03 12:03:15.022 INFO [stderr] su: No module specific data is present
Dec 03 12:03:16.176 INFO running `"docker" "inspect" "4e309e7bf35671e116e710f26587e8425ac0c9be770955a6ba534196372ad359"`
Dec 03 12:03:16.293 INFO running `"docker" "rm" "-f" "4e309e7bf35671e116e710f26587e8425ac0c9be770955a6ba534196372ad359"`
Dec 03 12:03:16.424 INFO [stdout] 4e309e7bf35671e116e710f26587e8425ac0c9be770955a6ba534196372ad359
Dec 03 12:03:16.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:03:17.042 INFO [stdout] e5b19ecff92d45b8161a7c24d46467023bec413402a85930868bb4c0b7381657
Dec 03 12:03:17.044 INFO running `"docker" "start" "-a" "e5b19ecff92d45b8161a7c24d46467023bec413402a85930868bb4c0b7381657"`
Dec 03 12:03:17.451 INFO [stderr] usermod: no changes
Dec 03 12:03:17.490 INFO [stderr]    Compiling file_diff v1.0.0 (/source)
Dec 03 12:03:18.359 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:03:18.359 INFO [stderr]   --> src/lib.rs:49:9
Dec 03 12:03:18.360 INFO [stderr]    |
Dec 03 12:03:18.360 INFO [stderr] 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Dec 03 12:03:18.360 INFO [stderr]    |         ----^^^^^
Dec 03 12:03:18.361 INFO [stderr]    |         |
Dec 03 12:03:18.361 INFO [stderr]    |         help: remove this `mut`
Dec 03 12:03:18.361 INFO [stderr]    |
Dec 03 12:03:18.362 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 03 12:03:18.362 INFO [stderr] 
Dec 03 12:03:18.362 INFO [stderr] warning: variable does not need to be mutable
Dec 03 12:03:18.362 INFO [stderr]   --> src/lib.rs:50:9
Dec 03 12:03:18.363 INFO [stderr]    |
Dec 03 12:03:18.363 INFO [stderr] 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Dec 03 12:03:18.363 INFO [stderr]    |         ----^^^^^
Dec 03 12:03:18.363 INFO [stderr]    |         |
Dec 03 12:03:18.364 INFO [stderr]    |         help: remove this `mut`
Dec 03 12:03:18.364 INFO [stderr] 
Dec 03 12:03:18.900 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Dec 03 12:03:18.903 INFO [stderr] su: No module specific data is present
Dec 03 12:03:19.188 INFO running `"docker" "inspect" "e5b19ecff92d45b8161a7c24d46467023bec413402a85930868bb4c0b7381657"`
Dec 03 12:03:19.283 INFO running `"docker" "rm" "-f" "e5b19ecff92d45b8161a7c24d46467023bec413402a85930868bb4c0b7381657"`
Dec 03 12:03:19.374 INFO [stdout] e5b19ecff92d45b8161a7c24d46467023bec413402a85930868bb4c0b7381657
Dec 03 12:03:19.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:03:19.995 INFO [stdout] 3a9a699fd7fe619a2dfdf2d23bca53391c2e2290af251d2c23333e3f0b8ef498
Dec 03 12:03:19.997 INFO running `"docker" "start" "-a" "3a9a699fd7fe619a2dfdf2d23bca53391c2e2290af251d2c23333e3f0b8ef498"`
Dec 03 12:03:20.381 INFO [stderr] usermod: no changes
Dec 03 12:03:20.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 03 12:03:20.412 INFO [stderr]      Running /target/debug/deps/file_diff-3a994afd492f20f8
Dec 03 12:03:20.413 INFO [stdout] 
Dec 03 12:03:20.413 INFO [stdout] running 5 tests
Dec 03 12:03:20.413 INFO [stdout] test tests::diff_different_binary_files ... ok
Dec 03 12:03:20.413 INFO [stdout] test tests::diff_different_text_files ... ok
Dec 03 12:03:20.413 INFO [stdout] test tests::diff_identical_binary_files ... ok
Dec 03 12:03:20.418 INFO [stdout] test tests::diff_the_same_text_file ... ok
Dec 03 12:03:20.418 INFO [stdout] test tests::diff_the_same_binary_file ... ok
Dec 03 12:03:20.418 INFO [stdout] 
Dec 03 12:03:20.418 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 03 12:03:20.418 INFO [stdout] 
Dec 03 12:03:20.427 INFO [stderr]    Doc-tests file_diff
Dec 03 12:03:21.630 INFO [stdout] 
Dec 03 12:03:21.630 INFO [stdout] running 2 tests
Dec 03 12:03:23.083 INFO [stdout] test src/lib.rs -  (line 14) ... ok
Dec 03 12:03:23.155 INFO [stdout] test src/lib.rs -  (line 33) ... ok
Dec 03 12:03:23.155 INFO [stdout] 
Dec 03 12:03:23.155 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 03 12:03:23.155 INFO [stdout] 
Dec 03 12:03:23.159 INFO [stderr] su: No module specific data is present
Dec 03 12:03:23.425 INFO running `"docker" "inspect" "3a9a699fd7fe619a2dfdf2d23bca53391c2e2290af251d2c23333e3f0b8ef498"`
Dec 03 12:03:23.595 INFO running `"docker" "rm" "-f" "3a9a699fd7fe619a2dfdf2d23bca53391c2e2290af251d2c23333e3f0b8ef498"`
Dec 03 12:03:23.839 INFO [stdout] 3a9a699fd7fe619a2dfdf2d23bca53391c2e2290af251d2c23333e3f0b8ef498
