Dec 19 16:46:45.013 INFO checking fschutt/xlib-programming-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:46:45.013 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/fschutt/xlib-programming-rust:/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 16:46:45.241 INFO [stdout] b054a4d6b281dd8d84dd453a7458f9f54bb3e71d76d439c8190c8030055ef89d
Dec 19 16:46:45.246 INFO running `"docker" "start" "-a" "b054a4d6b281dd8d84dd453a7458f9f54bb3e71d76d439c8190c8030055ef89d"`
Dec 19 16:46:46.055 INFO [stderr]    Compiling metadeps v1.1.2
Dec 19 16:46:46.947 INFO [stderr]    Compiling dbus v0.5.3
Dec 19 16:46:50.749 INFO [stderr]     Checking xlibprogramming v0.1.0 (/opt/crater/workdir)
Dec 19 16:46:50.968 INFO [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
Dec 19 16:46:50.968 INFO [stderr]  --> src/main.rs:7:33
Dec 19 16:46:50.968 INFO [stderr]   |
Dec 19 16:46:50.968 INFO [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
Dec 19 16:46:50.968 INFO [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 19 16:46:50.968 INFO [stderr]   |
Dec 19 16:46:50.968 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:46:50.968 INFO [stderr] 
Dec 19 16:46:50.972 INFO [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
Dec 19 16:46:50.972 INFO [stderr]  --> src/main.rs:7:33
Dec 19 16:46:50.972 INFO [stderr]   |
Dec 19 16:46:50.972 INFO [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
Dec 19 16:46:50.972 INFO [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 19 16:46:50.972 INFO [stderr]   |
Dec 19 16:46:50.972 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:46:50.972 INFO [stderr] 
Dec 19 16:46:51.008 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:46:51.008 INFO [stderr]   --> examples/simple_opengl_window.rs:44:9
Dec 19 16:46:51.008 INFO [stderr]    |
Dec 19 16:46:51.008 INFO [stderr] 44 |     let mut display = {
Dec 19 16:46:51.008 INFO [stderr]    |         ----^^^^^^^
Dec 19 16:46:51.008 INFO [stderr]    |         |
Dec 19 16:46:51.008 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:46:51.008 INFO [stderr]    |
Dec 19 16:46:51.008 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 16:46:51.008 INFO [stderr] 
Dec 19 16:46:51.008 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:46:51.008 INFO [stderr]   --> examples/simple_opengl_window.rs:64:9
Dec 19 16:46:51.008 INFO [stderr]    |
Dec 19 16:46:51.008 INFO [stderr] 64 |     let mut visual_info = { if vi.is_null() {
Dec 19 16:46:51.008 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 19 16:46:51.008 INFO [stderr]    |         |
Dec 19 16:46:51.008 INFO [stderr]    |         help: remove this `mut`
Dec 19 16:46:51.008 INFO [stderr] 
Dec 19 16:46:51.118 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
Dec 19 16:46:51.432 INFO running `"docker" "inspect" "b054a4d6b281dd8d84dd453a7458f9f54bb3e71d76d439c8190c8030055ef89d"`
Dec 19 16:46:51.542 INFO running `"docker" "rm" "-f" "b054a4d6b281dd8d84dd453a7458f9f54bb3e71d76d439c8190c8030055ef89d"`
Dec 19 16:46:51.628 INFO [stdout] b054a4d6b281dd8d84dd453a7458f9f54bb3e71d76d439c8190c8030055ef89d