Dec 19 22:00:22.409 INFO checking SDRust/png-fabuloso against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:00:22.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:00:22.963 INFO [stdout] 75ad4adeb3396afdc909269f25ebaa19a9fa942b1be684629ba70a8a7cd978e6
Dec 19 22:00:22.965 INFO running `"docker" "start" "-a" "75ad4adeb3396afdc909269f25ebaa19a9fa942b1be684629ba70a8a7cd978e6"`
Dec 19 22:00:25.336 INFO [stderr]    Compiling miniz-sys v0.1.7
Dec 19 22:00:25.344 INFO [stderr]     Checking crc v1.3.0
Dec 19 22:00:27.662 INFO [stderr]     Checking flate2 v0.2.14
Dec 19 22:00:28.459 INFO [stderr]     Checking pngstogram v0.1.0 (/opt/crater/workdir)
Dec 19 22:00:28.844 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:00:28.844 INFO [stderr]   --> src/main.rs:86:13
Dec 19 22:00:28.844 INFO [stderr]    |
Dec 19 22:00:28.844 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 19 22:00:28.844 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 19 22:00:28.844 INFO [stderr]    |             |
Dec 19 22:00:28.844 INFO [stderr]    |             help: remove this `mut`
Dec 19 22:00:28.844 INFO [stderr]    |
Dec 19 22:00:28.844 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:00:28.844 INFO [stderr] 
Dec 19 22:00:28.959 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:00:28.959 INFO [stderr]   --> src/main.rs:86:13
Dec 19 22:00:28.960 INFO [stderr]    |
Dec 19 22:00:28.960 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Dec 19 22:00:28.960 INFO [stderr]    |             ----^^^^^^^^^^^
Dec 19 22:00:28.961 INFO [stderr]    |             |
Dec 19 22:00:28.961 INFO [stderr]    |             help: remove this `mut`
Dec 19 22:00:28.961 INFO [stderr]    |
Dec 19 22:00:28.962 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:00:28.962 INFO [stderr] 
Dec 19 22:00:29.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
Dec 19 22:00:29.933 INFO running `"docker" "inspect" "75ad4adeb3396afdc909269f25ebaa19a9fa942b1be684629ba70a8a7cd978e6"`
Dec 19 22:00:30.222 INFO running `"docker" "rm" "-f" "75ad4adeb3396afdc909269f25ebaa19a9fa942b1be684629ba70a8a7cd978e6"`
Dec 19 22:00:30.560 INFO [stdout] 75ad4adeb3396afdc909269f25ebaa19a9fa942b1be684629ba70a8a7cd978e6