Nov 29 01:38:26.723 INFO checking file_diff-1.0.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 29 01:38:26.723 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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 29 01:38:26.921 INFO [stdout] ba4cfd422aef77b682f0593c7e06aadedc6198adb78a8b2e42161635b1d3b902
Nov 29 01:38:26.923 INFO running `"docker" "start" "-a" "ba4cfd422aef77b682f0593c7e06aadedc6198adb78a8b2e42161635b1d3b902"`
Nov 29 01:38:27.496 INFO [stderr] usermod: no changes
Nov 29 01:38:27.521 INFO [stderr]     Checking file_diff v1.0.0 (/source)
Nov 29 01:38:28.044 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:38:28.044 INFO [stderr]   --> src/lib.rs:49:9
Nov 29 01:38:28.044 INFO [stderr]    |
Nov 29 01:38:28.044 INFO [stderr] 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Nov 29 01:38:28.044 INFO [stderr]    |         ----^^^^^
Nov 29 01:38:28.044 INFO [stderr]    |         |
Nov 29 01:38:28.044 INFO [stderr]    |         help: remove this `mut`
Nov 29 01:38:28.044 INFO [stderr]    |
Nov 29 01:38:28.044 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 01:38:28.044 INFO [stderr] 
Nov 29 01:38:28.044 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:38:28.044 INFO [stderr]   --> src/lib.rs:50:9
Nov 29 01:38:28.044 INFO [stderr]    |
Nov 29 01:38:28.044 INFO [stderr] 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Nov 29 01:38:28.044 INFO [stderr]    |         ----^^^^^
Nov 29 01:38:28.044 INFO [stderr]    |         |
Nov 29 01:38:28.044 INFO [stderr]    |         help: remove this `mut`
Nov 29 01:38:28.044 INFO [stderr] 
Nov 29 01:38:28.211 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:38:28.211 INFO [stderr]   --> src/lib.rs:49:9
Nov 29 01:38:28.211 INFO [stderr]    |
Nov 29 01:38:28.211 INFO [stderr] 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Nov 29 01:38:28.211 INFO [stderr]    |         ----^^^^^
Nov 29 01:38:28.211 INFO [stderr]    |         |
Nov 29 01:38:28.211 INFO [stderr]    |         help: remove this `mut`
Nov 29 01:38:28.211 INFO [stderr]    |
Nov 29 01:38:28.211 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 01:38:28.211 INFO [stderr] 
Nov 29 01:38:28.211 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:38:28.211 INFO [stderr]   --> src/lib.rs:50:9
Nov 29 01:38:28.211 INFO [stderr]    |
Nov 29 01:38:28.211 INFO [stderr] 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Nov 29 01:38:28.211 INFO [stderr]    |         ----^^^^^
Nov 29 01:38:28.211 INFO [stderr]    |         |
Nov 29 01:38:28.211 INFO [stderr]    |         help: remove this `mut`
Nov 29 01:38:28.211 INFO [stderr] 
Nov 29 01:38:28.228 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Nov 29 01:38:28.229 INFO [stderr] su: No module specific data is present
Nov 29 01:38:28.631 INFO running `"docker" "inspect" "ba4cfd422aef77b682f0593c7e06aadedc6198adb78a8b2e42161635b1d3b902"`
Nov 29 01:38:28.792 INFO running `"docker" "rm" "-f" "ba4cfd422aef77b682f0593c7e06aadedc6198adb78a8b2e42161635b1d3b902"`
Nov 29 01:38:28.950 INFO [stdout] ba4cfd422aef77b682f0593c7e06aadedc6198adb78a8b2e42161635b1d3b902