Dec 18 11:47:48.160 INFO checking rust-cgui-0.1.11 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:47:48.160 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rust-cgui/0.1.11:/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 11:47:48.315 INFO [stdout] 47a1a978be1627b8301cc3c468145063c58aa24d08615ff90c9bd3033ed8cce4
Dec 18 11:47:48.319 INFO running `"docker" "start" "-a" "47a1a978be1627b8301cc3c468145063c58aa24d08615ff90c9bd3033ed8cce4"`
Dec 18 11:47:48.877 INFO [stderr]     Checking rust-cgui v0.1.11 (/opt/crater/workdir)
Dec 18 11:47:49.744 INFO [stderr] warning: unused import: `Pixel`
Dec 18 11:47:49.744 INFO [stderr]   --> src/lib.rs:41:31
Dec 18 11:47:49.744 INFO [stderr]    |
Dec 18 11:47:49.744 INFO [stderr] 41 | use image::{ImageBuffer, Rgb, Pixel};
Dec 18 11:47:49.744 INFO [stderr]    |                               ^^^^^
Dec 18 11:47:49.744 INFO [stderr]    |
Dec 18 11:47:49.744 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 11:47:49.744 INFO [stderr] 
Dec 18 11:47:49.768 INFO [stderr] warning: unused import: `Pixel`
Dec 18 11:47:49.768 INFO [stderr]   --> src/lib.rs:41:31
Dec 18 11:47:49.768 INFO [stderr]    |
Dec 18 11:47:49.768 INFO [stderr] 41 | use image::{ImageBuffer, Rgb, Pixel};
Dec 18 11:47:49.768 INFO [stderr]    |                               ^^^^^
Dec 18 11:47:49.768 INFO [stderr]    |
Dec 18 11:47:49.768 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 11:47:49.768 INFO [stderr] 
Dec 18 11:47:49.854 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:49.854 INFO [stderr]    --> src/lib.rs:120:21
Dec 18 11:47:49.854 INFO [stderr]     |
Dec 18 11:47:49.854 INFO [stderr] 120 |   pub fn to_ffi_ptr(mut self) -> *mut CWin {
Dec 18 11:47:49.854 INFO [stderr]     |                     ----^^^^
Dec 18 11:47:49.854 INFO [stderr]     |                     |
Dec 18 11:47:49.854 INFO [stderr]     |                     help: remove this `mut`
Dec 18 11:47:49.854 INFO [stderr]     |
Dec 18 11:47:49.854 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 11:47:49.854 INFO [stderr] 
Dec 18 11:47:49.904 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:49.904 INFO [stderr]    --> src/lib.rs:120:21
Dec 18 11:47:49.904 INFO [stderr]     |
Dec 18 11:47:49.904 INFO [stderr] 120 |   pub fn to_ffi_ptr(mut self) -> *mut CWin {
Dec 18 11:47:49.904 INFO [stderr]     |                     ----^^^^
Dec 18 11:47:49.904 INFO [stderr]     |                     |
Dec 18 11:47:49.904 INFO [stderr]     |                     help: remove this `mut`
Dec 18 11:47:49.904 INFO [stderr]     |
Dec 18 11:47:49.904 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 11:47:49.904 INFO [stderr] 
Dec 18 11:47:50.808 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
Dec 18 11:47:51.142 INFO running `"docker" "inspect" "47a1a978be1627b8301cc3c468145063c58aa24d08615ff90c9bd3033ed8cce4"`
Dec 18 11:47:51.265 INFO running `"docker" "rm" "-f" "47a1a978be1627b8301cc3c468145063c58aa24d08615ff90c9bd3033ed8cce4"`
Dec 18 11:47:51.512 INFO [stdout] 47a1a978be1627b8301cc3c468145063c58aa24d08615ff90c9bd3033ed8cce4