Dec 18 11:47:48.181 INFO checking rust-cgui-0.1.11 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:47:48.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:47:48.355 INFO [stdout] 27b5f5cc7ab7d22abec01e1cd4c7963cafcec0dd47d5b29f6756366b00bfc441
Dec 18 11:47:48.355 INFO running `"docker" "start" "-a" "27b5f5cc7ab7d22abec01e1cd4c7963cafcec0dd47d5b29f6756366b00bfc441"`
Dec 18 11:47:48.984 INFO [stderr]     Checking tiff v0.2.1
Dec 18 11:47:48.985 INFO [stderr]     Checking scan_fmt v0.1.3
Dec 18 11:47:49.840 INFO [stderr]     Checking image v0.20.1
Dec 18 11:47:54.285 INFO [stderr]     Checking rust-cgui v0.1.11 (/opt/crater/workdir)
Dec 18 11:47:54.908 INFO [stderr] warning: unused import: `Pixel`
Dec 18 11:47:54.908 INFO [stderr]   --> src/lib.rs:41:31
Dec 18 11:47:54.908 INFO [stderr]    |
Dec 18 11:47:54.908 INFO [stderr] 41 | use image::{ImageBuffer, Rgb, Pixel};
Dec 18 11:47:54.908 INFO [stderr]    |                               ^^^^^
Dec 18 11:47:54.908 INFO [stderr]    |
Dec 18 11:47:54.908 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 11:47:54.908 INFO [stderr] 
Dec 18 11:47:55.019 INFO [stderr] warning: unused import: `Pixel`
Dec 18 11:47:55.020 INFO [stderr]   --> src/lib.rs:41:31
Dec 18 11:47:55.020 INFO [stderr]    |
Dec 18 11:47:55.020 INFO [stderr] 41 | use image::{ImageBuffer, Rgb, Pixel};
Dec 18 11:47:55.020 INFO [stderr]    |                               ^^^^^
Dec 18 11:47:55.020 INFO [stderr]    |
Dec 18 11:47:55.020 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 11:47:55.020 INFO [stderr] 
Dec 18 11:47:55.020 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:55.020 INFO [stderr]    --> src/lib.rs:120:21
Dec 18 11:47:55.020 INFO [stderr]     |
Dec 18 11:47:55.020 INFO [stderr] 120 |   pub fn to_ffi_ptr(mut self) -> *mut CWin {
Dec 18 11:47:55.020 INFO [stderr]     |                     ----^^^^
Dec 18 11:47:55.020 INFO [stderr]     |                     |
Dec 18 11:47:55.020 INFO [stderr]     |                     help: remove this `mut`
Dec 18 11:47:55.020 INFO [stderr]     |
Dec 18 11:47:55.020 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 11:47:55.020 INFO [stderr] 
Dec 18 11:47:55.124 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:55.124 INFO [stderr]    --> src/lib.rs:120:21
Dec 18 11:47:55.124 INFO [stderr]     |
Dec 18 11:47:55.124 INFO [stderr] 120 |   pub fn to_ffi_ptr(mut self) -> *mut CWin {
Dec 18 11:47:55.124 INFO [stderr]     |                     ----^^^^
Dec 18 11:47:55.124 INFO [stderr]     |                     |
Dec 18 11:47:55.124 INFO [stderr]     |                     help: remove this `mut`
Dec 18 11:47:55.124 INFO [stderr]     |
Dec 18 11:47:55.124 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 11:47:55.124 INFO [stderr] 
Dec 18 11:47:55.965 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
Dec 18 11:47:56.304 INFO running `"docker" "inspect" "27b5f5cc7ab7d22abec01e1cd4c7963cafcec0dd47d5b29f6756366b00bfc441"`
Dec 18 11:47:56.527 INFO running `"docker" "rm" "-f" "27b5f5cc7ab7d22abec01e1cd4c7963cafcec0dd47d5b29f6756366b00bfc441"`
Dec 18 11:47:56.728 INFO [stdout] 27b5f5cc7ab7d22abec01e1cd4c7963cafcec0dd47d5b29f6756366b00bfc441