Dec 18 06:28:19.209 INFO checking McGittyHub/cubes-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:28:19.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/McGittyHub/cubes-rs:/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 06:28:19.668 INFO [stdout] f020cc04a92a459a5d7cf3fd54d603d8a5411e8096f4265c00ee55e0330da80f
Dec 18 06:28:19.670 INFO running `"docker" "start" "-a" "f020cc04a92a459a5d7cf3fd54d603d8a5411e8096f4265c00ee55e0330da80f"`
Dec 18 06:28:21.292 INFO [stderr]     Checking memmap v0.6.2
Dec 18 06:28:21.292 INFO [stderr]     Checking shared_library v0.1.8
Dec 18 06:28:21.304 INFO [stderr]     Checking rand v0.4.2
Dec 18 06:28:21.336 INFO [stderr]     Checking tempfile v2.2.0
Dec 18 06:28:21.336 INFO [stderr]     Checking noise v0.4.1
Dec 18 06:28:21.336 INFO [stderr]     Checking num-bigint v0.1.41
Dec 18 06:28:21.336 INFO [stderr]     Checking x11-dl v2.17.2
Dec 18 06:28:21.336 INFO [stderr]     Checking gfx_core v0.8.0
Dec 18 06:28:22.468 INFO [stderr]    Compiling glutin v0.12.0
Dec 18 06:28:22.496 INFO [stderr]     Checking wayland-client v0.12.5
Dec 18 06:28:22.515 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 18 06:28:25.980 INFO [stderr]     Checking cgmath v0.16.0
Dec 18 06:28:29.097 INFO [stderr]     Checking num-rational v0.1.40
Dec 18 06:28:30.634 INFO [stderr]     Checking num v0.1.41
Dec 18 06:28:30.672 INFO [stderr]     Checking wayland-protocols v0.12.5
Dec 18 06:28:30.672 INFO [stderr]     Checking wayland-kbd v0.13.1
Dec 18 06:28:42.445 INFO [stderr]     Checking collision v0.14.0
Dec 18 06:28:44.198 INFO [stderr]     Checking wayland-window v0.13.2
Dec 18 06:28:45.072 INFO [stderr]     Checking winit v0.10.0
Dec 18 06:29:03.876 INFO [stderr]     Checking gfx_device_gl v0.15.0
Dec 18 06:29:03.876 INFO [stderr]     Checking gfx v0.17.1
Dec 18 06:29:06.788 INFO [stderr]     Checking gfx_window_glutin v0.20.0
Dec 18 06:29:11.036 INFO [stderr]     Checking gfx_glyph v0.8.0
Dec 18 06:29:13.461 INFO [stderr]     Checking cubes-rs v0.1.0 (/opt/crater/workdir)
Dec 18 06:29:15.260 INFO [stderr] warning: unused variable: `cube_count`
Dec 18 06:29:15.261 INFO [stderr]    --> src/main.rs:368:13
Dec 18 06:29:15.261 INFO [stderr]     |
Dec 18 06:29:15.261 INFO [stderr] 368 |     let mut cube_count = 0;
Dec 18 06:29:15.261 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_cube_count` instead
Dec 18 06:29:15.261 INFO [stderr]     |
Dec 18 06:29:15.261 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:29:15.261 INFO [stderr] 
Dec 18 06:29:15.296 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:29:15.296 INFO [stderr]    --> src/main.rs:368:9
Dec 18 06:29:15.296 INFO [stderr]     |
Dec 18 06:29:15.296 INFO [stderr] 368 |     let mut cube_count = 0;
Dec 18 06:29:15.296 INFO [stderr]     |         ----^^^^^^^^^^
Dec 18 06:29:15.296 INFO [stderr]     |         |
Dec 18 06:29:15.296 INFO [stderr]     |         help: remove this `mut`
Dec 18 06:29:15.296 INFO [stderr]     |
Dec 18 06:29:15.296 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 06:29:15.296 INFO [stderr] 
Dec 18 06:29:15.420 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 06:29:15.420 INFO [stderr]  --> src/main.rs:1:12
Dec 18 06:29:15.420 INFO [stderr]   |
Dec 18 06:29:15.420 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 18 06:29:15.420 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:29:15.420 INFO [stderr]   |
Dec 18 06:29:15.420 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 06:29:15.420 INFO [stderr] 
Dec 18 06:29:15.420 INFO [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 06:29:15.420 INFO [stderr]  --> src/main.rs:2:12
Dec 18 06:29:15.420 INFO [stderr]   |
Dec 18 06:29:15.420 INFO [stderr] 2 | #![feature(entry_and_modify)]
Dec 18 06:29:15.420 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 06:29:15.420 INFO [stderr] 
Dec 18 06:29:15.676 INFO [stderr] warning: unused variable: `cube_count`
Dec 18 06:29:15.676 INFO [stderr]    --> src/main.rs:368:13
Dec 18 06:29:15.676 INFO [stderr]     |
Dec 18 06:29:15.676 INFO [stderr] 368 |     let mut cube_count = 0;
Dec 18 06:29:15.676 INFO [stderr]     |             ^^^^^^^^^^ help: consider using `_cube_count` instead
Dec 18 06:29:15.676 INFO [stderr]     |
Dec 18 06:29:15.676 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:29:15.676 INFO [stderr] 
Dec 18 06:29:15.712 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:29:15.712 INFO [stderr]    --> src/main.rs:368:9
Dec 18 06:29:15.712 INFO [stderr]     |
Dec 18 06:29:15.712 INFO [stderr] 368 |     let mut cube_count = 0;
Dec 18 06:29:15.712 INFO [stderr]     |         ----^^^^^^^^^^
Dec 18 06:29:15.712 INFO [stderr]     |         |
Dec 18 06:29:15.712 INFO [stderr]     |         help: remove this `mut`
Dec 18 06:29:15.712 INFO [stderr]     |
Dec 18 06:29:15.712 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 06:29:15.712 INFO [stderr] 
Dec 18 06:29:15.824 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 06:29:15.824 INFO [stderr]  --> src/main.rs:1:12
Dec 18 06:29:15.824 INFO [stderr]   |
Dec 18 06:29:15.824 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 18 06:29:15.824 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:29:15.824 INFO [stderr]   |
Dec 18 06:29:15.824 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 06:29:15.824 INFO [stderr] 
Dec 18 06:29:15.824 INFO [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 06:29:15.824 INFO [stderr]  --> src/main.rs:2:12
Dec 18 06:29:15.824 INFO [stderr]   |
Dec 18 06:29:15.824 INFO [stderr] 2 | #![feature(entry_and_modify)]
Dec 18 06:29:15.824 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 06:29:15.824 INFO [stderr] 
Dec 18 06:29:15.886 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.81s
Dec 18 06:29:17.194 INFO running `"docker" "inspect" "f020cc04a92a459a5d7cf3fd54d603d8a5411e8096f4265c00ee55e0330da80f"`
Dec 18 06:29:17.626 INFO running `"docker" "rm" "-f" "f020cc04a92a459a5d7cf3fd54d603d8a5411e8096f4265c00ee55e0330da80f"`
Dec 18 06:29:17.964 INFO [stdout] f020cc04a92a459a5d7cf3fd54d603d8a5411e8096f4265c00ee55e0330da80f