Dec 04 18:26:46.097 INFO checking fschutt/xlib-programming-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 18:26:46.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 18:26:46.591 INFO [stdout] 8dc03461d8b9ba293380674e7c760dfeb441e1a82e6dc895ca86f54d1af5d5ef
Dec 04 18:26:46.593 INFO running `"docker" "start" "-a" "8dc03461d8b9ba293380674e7c760dfeb441e1a82e6dc895ca86f54d1af5d5ef"`
Dec 04 18:26:47.851 INFO [stderr] usermod: no changes
Dec 04 18:26:47.955 INFO [stderr]    Compiling metadeps v1.1.2
Dec 04 18:26:48.939 INFO [stderr]    Compiling dbus v0.5.3
Dec 04 18:26:52.839 INFO [stderr]     Checking xlibprogramming v0.1.0 (/source)
Dec 04 18:26:53.203 INFO [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
Dec 04 18:26:53.203 INFO [stderr]  --> src/main.rs:7:33
Dec 04 18:26:53.203 INFO [stderr]   |
Dec 04 18:26:53.203 INFO [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
Dec 04 18:26:53.203 INFO [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 04 18:26:53.203 INFO [stderr]   |
Dec 04 18:26:53.203 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:26:53.203 INFO [stderr] 
Dec 04 18:26:53.264 INFO [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
Dec 04 18:26:53.264 INFO [stderr]  --> src/main.rs:7:33
Dec 04 18:26:53.264 INFO [stderr]   |
Dec 04 18:26:53.264 INFO [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
Dec 04 18:26:53.264 INFO [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 04 18:26:53.264 INFO [stderr]   |
Dec 04 18:26:53.265 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:26:53.265 INFO [stderr] 
Dec 04 18:26:53.525 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:26:53.525 INFO [stderr]   --> examples/simple_opengl_window.rs:44:9
Dec 04 18:26:53.526 INFO [stderr]    |
Dec 04 18:26:53.526 INFO [stderr] 44 |     let mut display = {
Dec 04 18:26:53.526 INFO [stderr]    |         ----^^^^^^^
Dec 04 18:26:53.526 INFO [stderr]    |         |
Dec 04 18:26:53.526 INFO [stderr]    |         help: remove this `mut`
Dec 04 18:26:53.526 INFO [stderr]    |
Dec 04 18:26:53.526 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 18:26:53.526 INFO [stderr] 
Dec 04 18:26:53.526 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:26:53.526 INFO [stderr]   --> examples/simple_opengl_window.rs:64:9
Dec 04 18:26:53.526 INFO [stderr]    |
Dec 04 18:26:53.526 INFO [stderr] 64 |     let mut visual_info = { if vi.is_null() {
Dec 04 18:26:53.526 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 04 18:26:53.526 INFO [stderr]    |         |
Dec 04 18:26:53.526 INFO [stderr]    |         help: remove this `mut`
Dec 04 18:26:53.526 INFO [stderr] 
Dec 04 18:26:53.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
Dec 04 18:26:53.584 INFO [stderr] su: No module specific data is present
Dec 04 18:26:54.209 INFO running `"docker" "inspect" "8dc03461d8b9ba293380674e7c760dfeb441e1a82e6dc895ca86f54d1af5d5ef"`
Dec 04 18:26:54.331 INFO running `"docker" "rm" "-f" "8dc03461d8b9ba293380674e7c760dfeb441e1a82e6dc895ca86f54d1af5d5ef"`
Dec 04 18:26:54.488 INFO [stdout] 8dc03461d8b9ba293380674e7c760dfeb441e1a82e6dc895ca86f54d1af5d5ef