Nov 18 14:23:16.114 INFO testing file_diff-1.0.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 14:23:16.114 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 14:23:16.633 INFO [stdout] 30e440c224efddc33520c40b8eb480a468e3b8f2d61157162e5e41e38b7be25a
Nov 18 14:23:16.640 INFO running `"docker" "start" "-a" "30e440c224efddc33520c40b8eb480a468e3b8f2d61157162e5e41e38b7be25a"`
Nov 18 14:23:17.071 INFO [stderr] usermod: no changes
Nov 18 14:23:17.097 INFO [stderr]    Compiling file_diff v1.0.0 (/source)
Nov 18 14:23:17.587 INFO [stderr] warning: variable does not need to be mutable
Nov 18 14:23:17.587 INFO [stderr]   --> src/lib.rs:49:9
Nov 18 14:23:17.587 INFO [stderr]    |
Nov 18 14:23:17.587 INFO [stderr] 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Nov 18 14:23:17.587 INFO [stderr]    |         ----^^^^^
Nov 18 14:23:17.587 INFO [stderr]    |         |
Nov 18 14:23:17.587 INFO [stderr]    |         help: remove this `mut`
Nov 18 14:23:17.587 INFO [stderr]    |
Nov 18 14:23:17.587 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 18 14:23:17.587 INFO [stderr] 
Nov 18 14:23:17.587 INFO [stderr] warning: variable does not need to be mutable
Nov 18 14:23:17.587 INFO [stderr]   --> src/lib.rs:50:9
Nov 18 14:23:17.587 INFO [stderr]    |
Nov 18 14:23:17.587 INFO [stderr] 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Nov 18 14:23:17.587 INFO [stderr]    |         ----^^^^^
Nov 18 14:23:17.587 INFO [stderr]    |         |
Nov 18 14:23:17.587 INFO [stderr]    |         help: remove this `mut`
Nov 18 14:23:17.587 INFO [stderr] 
Nov 18 14:23:17.772 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Nov 18 14:23:17.774 INFO [stderr] su: No module specific data is present
Nov 18 14:23:18.158 INFO running `"docker" "inspect" "30e440c224efddc33520c40b8eb480a468e3b8f2d61157162e5e41e38b7be25a"`
Nov 18 14:23:18.261 INFO running `"docker" "rm" "-f" "30e440c224efddc33520c40b8eb480a468e3b8f2d61157162e5e41e38b7be25a"`
Nov 18 14:23:18.405 INFO [stdout] 30e440c224efddc33520c40b8eb480a468e3b8f2d61157162e5e41e38b7be25a
Nov 18 14:23:18.412 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 14:23:18.685 INFO [stdout] 0cfc001d0232a9cfeb106d3317bea258625fa43be43e7f3cbae4f154f077dd6f
Nov 18 14:23:18.687 INFO running `"docker" "start" "-a" "0cfc001d0232a9cfeb106d3317bea258625fa43be43e7f3cbae4f154f077dd6f"`
Nov 18 14:23:19.044 INFO [stderr] usermod: no changes
Nov 18 14:23:19.075 INFO [stderr]    Compiling file_diff v1.0.0 (/source)
Nov 18 14:23:19.617 INFO [stderr] warning: variable does not need to be mutable
Nov 18 14:23:19.617 INFO [stderr]   --> src/lib.rs:49:9
Nov 18 14:23:19.617 INFO [stderr]    |
Nov 18 14:23:19.617 INFO [stderr] 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Nov 18 14:23:19.617 INFO [stderr]    |         ----^^^^^
Nov 18 14:23:19.617 INFO [stderr]    |         |
Nov 18 14:23:19.617 INFO [stderr]    |         help: remove this `mut`
Nov 18 14:23:19.617 INFO [stderr]    |
Nov 18 14:23:19.617 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 18 14:23:19.617 INFO [stderr] 
Nov 18 14:23:19.617 INFO [stderr] warning: variable does not need to be mutable
Nov 18 14:23:19.617 INFO [stderr]   --> src/lib.rs:50:9
Nov 18 14:23:19.617 INFO [stderr]    |
Nov 18 14:23:19.617 INFO [stderr] 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Nov 18 14:23:19.617 INFO [stderr]    |         ----^^^^^
Nov 18 14:23:19.617 INFO [stderr]    |         |
Nov 18 14:23:19.617 INFO [stderr]    |         help: remove this `mut`
Nov 18 14:23:19.617 INFO [stderr] 
Nov 18 14:23:19.926 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Nov 18 14:23:19.928 INFO [stderr] su: No module specific data is present
Nov 18 14:23:20.170 INFO running `"docker" "inspect" "0cfc001d0232a9cfeb106d3317bea258625fa43be43e7f3cbae4f154f077dd6f"`
Nov 18 14:23:20.277 INFO running `"docker" "rm" "-f" "0cfc001d0232a9cfeb106d3317bea258625fa43be43e7f3cbae4f154f077dd6f"`
Nov 18 14:23:20.414 INFO [stdout] 0cfc001d0232a9cfeb106d3317bea258625fa43be43e7f3cbae4f154f077dd6f
Nov 18 14:23:20.416 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 14:23:20.603 INFO [stdout] 2d1607d0adc4b655ebe82aece3a06dec3cff43da800bab5b1deb9a5c8f6eee6c
Nov 18 14:23:20.603 INFO running `"docker" "start" "-a" "2d1607d0adc4b655ebe82aece3a06dec3cff43da800bab5b1deb9a5c8f6eee6c"`
Nov 18 14:23:21.094 INFO [stderr] usermod: no changes
Nov 18 14:23:21.121 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Nov 18 14:23:21.121 INFO [stderr]      Running /target/debug/deps/file_diff-f0a418a5cbd70e7a
Nov 18 14:23:21.123 INFO [stdout] 
Nov 18 14:23:21.123 INFO [stdout] running 5 tests
Nov 18 14:23:21.124 INFO [stdout] test tests::diff_different_text_files ... ok
Nov 18 14:23:21.124 INFO [stdout] test tests::diff_identical_binary_files ... ok
Nov 18 14:23:21.124 INFO [stdout] test tests::diff_the_same_text_file ... ok
Nov 18 14:23:21.125 INFO [stderr]    Doc-tests file_diff
Nov 18 14:23:21.125 INFO [stdout] test tests::diff_the_same_binary_file ... ok
Nov 18 14:23:21.125 INFO [stdout] test tests::diff_different_binary_files ... ok
Nov 18 14:23:21.125 INFO [stdout] 
Nov 18 14:23:21.125 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:23:21.125 INFO [stdout] 
Nov 18 14:23:21.715 INFO [stdout] 
Nov 18 14:23:21.715 INFO [stdout] running 2 tests
Nov 18 14:23:22.631 INFO [stdout] test src/lib.rs -  (line 14) ... ok
Nov 18 14:23:22.702 INFO [stdout] test src/lib.rs -  (line 33) ... ok
Nov 18 14:23:22.702 INFO [stdout] 
Nov 18 14:23:22.702 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:23:22.702 INFO [stdout] 
Nov 18 14:23:22.714 INFO [stderr] su: No module specific data is present
Nov 18 14:23:23.117 INFO running `"docker" "inspect" "2d1607d0adc4b655ebe82aece3a06dec3cff43da800bab5b1deb9a5c8f6eee6c"`
Nov 18 14:23:23.232 INFO running `"docker" "rm" "-f" "2d1607d0adc4b655ebe82aece3a06dec3cff43da800bab5b1deb9a5c8f6eee6c"`
Nov 18 14:23:23.331 INFO [stdout] 2d1607d0adc4b655ebe82aece3a06dec3cff43da800bab5b1deb9a5c8f6eee6c