Dec 11 18:16:56.052 INFO checking fschutt/xlib-programming-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 18:16:56.052 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 18:16:56.358 INFO [stdout] 008c45bbbb7945a1ace53bc943c02383c1fe3ef6c6f9d68bc900ca2a1bf51ed2
Dec 11 18:16:56.364 INFO running `"docker" "start" "-a" "008c45bbbb7945a1ace53bc943c02383c1fe3ef6c6f9d68bc900ca2a1bf51ed2"`
Dec 11 18:16:57.452 INFO [stderr] usermod: no changes
Dec 11 18:16:57.532 INFO [stderr]    Compiling error-chain v0.10.0
Dec 11 18:16:57.549 INFO [stderr]     Checking x11-dl v2.14.0
Dec 11 18:16:58.360 INFO [stderr]    Compiling metadeps v1.1.2
Dec 11 18:16:59.604 INFO [stderr]    Compiling dbus v0.5.3
Dec 11 18:17:04.338 INFO [stderr]     Checking xlibprogramming v0.1.0 (/source)
Dec 11 18:17:04.708 INFO [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
Dec 11 18:17:04.708 INFO [stderr]  --> src/main.rs:7:33
Dec 11 18:17:04.708 INFO [stderr]   |
Dec 11 18:17:04.708 INFO [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
Dec 11 18:17:04.708 INFO [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 11 18:17:04.708 INFO [stderr]   |
Dec 11 18:17:04.708 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 18:17:04.708 INFO [stderr] 
Dec 11 18:17:04.841 INFO [stderr] warning: unused imports: `CurrentTime`, `GrabModeAsync`
Dec 11 18:17:04.841 INFO [stderr]  --> src/main.rs:7:33
Dec 11 18:17:04.841 INFO [stderr]   |
Dec 11 18:17:04.841 INFO [stderr] 7 | use x11_dl::xlib::{True, False, GrabModeAsync, CurrentTime, XEvent};
Dec 11 18:17:04.841 INFO [stderr]   |                                 ^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 11 18:17:04.848 INFO [stderr]   |
Dec 11 18:17:04.848 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 18:17:04.848 INFO [stderr] 
Dec 11 18:17:05.152 INFO [stderr] warning: variable does not need to be mutable
Dec 11 18:17:05.152 INFO [stderr]   --> examples/simple_opengl_window.rs:44:9
Dec 11 18:17:05.152 INFO [stderr]    |
Dec 11 18:17:05.152 INFO [stderr] 44 |     let mut display = {
Dec 11 18:17:05.152 INFO [stderr]    |         ----^^^^^^^
Dec 11 18:17:05.152 INFO [stderr]    |         |
Dec 11 18:17:05.152 INFO [stderr]    |         help: remove this `mut`
Dec 11 18:17:05.152 INFO [stderr]    |
Dec 11 18:17:05.152 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 18:17:05.152 INFO [stderr] 
Dec 11 18:17:05.152 INFO [stderr] warning: variable does not need to be mutable
Dec 11 18:17:05.152 INFO [stderr]   --> examples/simple_opengl_window.rs:64:9
Dec 11 18:17:05.152 INFO [stderr]    |
Dec 11 18:17:05.152 INFO [stderr] 64 |     let mut visual_info = { if vi.is_null() {
Dec 11 18:17:05.152 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 11 18:17:05.152 INFO [stderr]    |         |
Dec 11 18:17:05.152 INFO [stderr]    |         help: remove this `mut`
Dec 11 18:17:05.152 INFO [stderr] 
Dec 11 18:17:05.190 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.70s
Dec 11 18:17:05.204 INFO [stderr] su: No module specific data is present
Dec 11 18:17:05.785 INFO running `"docker" "inspect" "008c45bbbb7945a1ace53bc943c02383c1fe3ef6c6f9d68bc900ca2a1bf51ed2"`
Dec 11 18:17:06.068 INFO running `"docker" "rm" "-f" "008c45bbbb7945a1ace53bc943c02383c1fe3ef6c6f9d68bc900ca2a1bf51ed2"`
Dec 11 18:17:06.387 INFO [stdout] 008c45bbbb7945a1ace53bc943c02383c1fe3ef6c6f9d68bc900ca2a1bf51ed2