Dec 18 05:33:38.986 INFO checking SDRust/png-fabuloso against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:33:38.987 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/SDRust/png-fabuloso:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:33:39.444 INFO [stdout] df5b48329cf72e0f9bb6bb5df55bf33d170d20e3a4a3e57a0719c7cc67cb6442
Dec 18 05:33:39.450 INFO running `"docker" "start" "-a" "df5b48329cf72e0f9bb6bb5df55bf33d170d20e3a4a3e57a0719c7cc67cb6442"`
Dec 18 05:33:41.514 INFO [stderr]     Checking crc v1.3.0
Dec 18 05:33:41.848 INFO [stderr]     Checking pngstogram v0.1.0 (/opt/crater/workdir)
Dec 18 05:33:42.500 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:33:42.500 INFO [stderr]   --> src/main.rs:86:13
Dec 18 05:33:42.501 INFO [stderr]    |
Dec 18 05:33:42.501 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 18 05:33:42.501 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 18 05:33:42.501 INFO [stderr]    |             |
Dec 18 05:33:42.501 INFO [stderr]    |             help: remove this `mut`
Dec 18 05:33:42.501 INFO [stderr]    |
Dec 18 05:33:42.501 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:33:42.501 INFO [stderr] 
Dec 18 05:33:42.524 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:33:42.524 INFO [stderr]   --> src/main.rs:86:13
Dec 18 05:33:42.524 INFO [stderr]    |
Dec 18 05:33:42.524 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 18 05:33:42.524 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 18 05:33:42.524 INFO [stderr]    |             |
Dec 18 05:33:42.525 INFO [stderr]    |             help: remove this `mut`
Dec 18 05:33:42.525 INFO [stderr]    |
Dec 18 05:33:42.525 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:33:42.525 INFO [stderr] 
Dec 18 05:33:42.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 18 05:33:43.736 INFO running `"docker" "inspect" "df5b48329cf72e0f9bb6bb5df55bf33d170d20e3a4a3e57a0719c7cc67cb6442"`
Dec 18 05:33:44.006 INFO running `"docker" "rm" "-f" "df5b48329cf72e0f9bb6bb5df55bf33d170d20e3a4a3e57a0719c7cc67cb6442"`
Dec 18 05:33:44.340 INFO [stdout] df5b48329cf72e0f9bb6bb5df55bf33d170d20e3a4a3e57a0719c7cc67cb6442