Dec 12 00:28:07.969 INFO checking SDRust/png-fabuloso against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:28:07.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 00:28:08.526 INFO [stdout] 203448625a6b0fa550dc650add964abbb555ce9d226745e9b1d9c4aa91af7018
Dec 12 00:28:08.528 INFO running `"docker" "start" "-a" "203448625a6b0fa550dc650add964abbb555ce9d226745e9b1d9c4aa91af7018"`
Dec 12 00:28:10.059 INFO [stderr] usermod: no changes
Dec 12 00:28:10.196 INFO [stderr]     Checking crc v1.3.0
Dec 12 00:28:10.806 INFO [stderr]     Checking pngstogram v0.1.0 (/source)
Dec 12 00:28:11.991 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:11.991 INFO [stderr]   --> src/main.rs:86:13
Dec 12 00:28:11.991 INFO [stderr]    |
Dec 12 00:28:11.991 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 12 00:28:11.991 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 12 00:28:11.991 INFO [stderr]    |             |
Dec 12 00:28:11.991 INFO [stderr]    |             help: remove this `mut`
Dec 12 00:28:11.991 INFO [stderr]    |
Dec 12 00:28:11.991 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:28:11.991 INFO [stderr] 
Dec 12 00:28:12.197 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:28:12.198 INFO [stderr]   --> src/main.rs:86:13
Dec 12 00:28:12.198 INFO [stderr]    |
Dec 12 00:28:12.198 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 12 00:28:12.198 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 12 00:28:12.198 INFO [stderr]    |             |
Dec 12 00:28:12.199 INFO [stderr]    |             help: remove this `mut`
Dec 12 00:28:12.199 INFO [stderr]    |
Dec 12 00:28:12.199 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:28:12.199 INFO [stderr] 
Dec 12 00:28:12.248 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
Dec 12 00:28:12.253 INFO [stderr] su: No module specific data is present
Dec 12 00:28:13.278 INFO running `"docker" "inspect" "203448625a6b0fa550dc650add964abbb555ce9d226745e9b1d9c4aa91af7018"`
Dec 12 00:28:13.704 INFO running `"docker" "rm" "-f" "203448625a6b0fa550dc650add964abbb555ce9d226745e9b1d9c4aa91af7018"`
Dec 12 00:28:14.048 INFO [stdout] 203448625a6b0fa550dc650add964abbb555ce9d226745e9b1d9c4aa91af7018