Dec 05 00:15:25.838 INFO checking SDRust/png-fabuloso against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:15:25.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 00:15:26.315 INFO [stdout] 343bb347f4555b3c5d7a1bbc9209c2946b0e0b30fdae69cfa4ca5212d1a578da
Dec 05 00:15:26.317 INFO running `"docker" "start" "-a" "343bb347f4555b3c5d7a1bbc9209c2946b0e0b30fdae69cfa4ca5212d1a578da"`
Dec 05 00:15:28.258 INFO [stderr] usermod: no changes
Dec 05 00:15:28.395 INFO [stderr]     Checking crc v1.3.0
Dec 05 00:15:29.032 INFO [stderr]     Checking pngstogram v0.1.0 (/source)
Dec 05 00:15:30.103 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:15:30.103 INFO [stderr]   --> src/main.rs:86:13
Dec 05 00:15:30.103 INFO [stderr]    |
Dec 05 00:15:30.103 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 05 00:15:30.103 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 00:15:30.103 INFO [stderr]    |             |
Dec 05 00:15:30.103 INFO [stderr]    |             help: remove this `mut`
Dec 05 00:15:30.103 INFO [stderr]    |
Dec 05 00:15:30.103 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:15:30.103 INFO [stderr] 
Dec 05 00:15:30.309 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:15:30.309 INFO [stderr]   --> src/main.rs:86:13
Dec 05 00:15:30.309 INFO [stderr]    |
Dec 05 00:15:30.309 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 05 00:15:30.309 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 05 00:15:30.309 INFO [stderr]    |             |
Dec 05 00:15:30.309 INFO [stderr]    |             help: remove this `mut`
Dec 05 00:15:30.309 INFO [stderr]    |
Dec 05 00:15:30.309 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:15:30.309 INFO [stderr] 
Dec 05 00:15:30.342 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Dec 05 00:15:30.358 INFO [stderr] su: No module specific data is present
Dec 05 00:15:31.081 INFO running `"docker" "inspect" "343bb347f4555b3c5d7a1bbc9209c2946b0e0b30fdae69cfa4ca5212d1a578da"`
Dec 05 00:15:31.395 INFO running `"docker" "rm" "-f" "343bb347f4555b3c5d7a1bbc9209c2946b0e0b30fdae69cfa4ca5212d1a578da"`
Dec 05 00:15:31.830 INFO [stdout] 343bb347f4555b3c5d7a1bbc9209c2946b0e0b30fdae69cfa4ca5212d1a578da