Dec 19 20:19:07.679 INFO checking asarode/piston-grok against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:19:07.679 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/asarode/piston-grok:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:19:08.218 INFO [stdout] 1bca7afcbab7fe17a7f3b8e0f2663b077481909e714031a38aa31e737cf608f7
Dec 19 20:19:08.220 INFO running `"docker" "start" "-a" "1bca7afcbab7fe17a7f3b8e0f2663b077481909e714031a38aa31e737cf608f7"`
Dec 19 20:19:09.995 INFO [stderr]     Checking image v0.13.0
Dec 19 20:19:10.040 INFO [stderr]     Checking winit v0.6.4
Dec 19 20:19:12.624 INFO [stderr]     Checking glutin v0.8.1
Dec 19 20:19:14.758 INFO [stderr]     Checking pistoncore-glutin_window v0.37.0
Dec 19 20:19:16.335 INFO [stderr]     Checking piston2d-opengl_graphics v0.43.1
Dec 19 20:19:17.477 INFO [stderr]     Checking piston-grok v0.1.0 (/opt/crater/workdir)
Dec 19 20:19:19.091 INFO [stderr] warning: unused variable: `args`
Dec 19 20:19:19.091 INFO [stderr]   --> src/circles.rs:97:26
Dec 19 20:19:19.091 INFO [stderr]    |
Dec 19 20:19:19.091 INFO [stderr] 97 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:19.091 INFO [stderr]    |                          ^^^^ help: consider using `_args` instead
Dec 19 20:19:19.091 INFO [stderr] warning: unused variable: `args`
Dec 19 20:19:19.091 INFO [stderr]   --> src/circles.rs:97:26
Dec 19 20:19:19.091 INFO [stderr]    |
Dec 19 20:19:19.091 INFO [stderr] 97 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:19.091 INFO [stderr]    |                          ^^^^ help: consider using `_args` instead
Dec 19 20:19:19.091 INFO [stderr]    |
Dec 19 20:19:19.091 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:19:19.091 INFO [stderr] 
Dec 19 20:19:19.112 INFO [stderr] warning: struct is never constructed: `App`
Dec 19 20:19:19.112 INFO [stderr]   --> src/spinning_box.rs:12:1
Dec 19 20:19:19.112 INFO [stderr]    |
Dec 19 20:19:19.112 INFO [stderr] 12 | pub struct App {
Dec 19 20:19:19.112 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:19.112 INFO [stderr]    |
Dec 19 20:19:19.112 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:19:19.112 INFO [stderr] 
Dec 19 20:19:19.113 INFO [stderr]    |
Dec 19 20:19:19.113 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:19:19.113 INFO [stderr] 
Dec 19 20:19:19.113 INFO [stderr] warning: method is never used: `render`
Dec 19 20:19:19.113 INFO [stderr]   --> src/spinning_box.rs:18:5
Dec 19 20:19:19.114 INFO [stderr]    |
Dec 19 20:19:19.114 INFO [stderr] 18 |     fn render(&mut self, args: &RenderArgs) {
Dec 19 20:19:19.114 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.114 INFO [stderr] 
Dec 19 20:19:19.114 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 19 20:19:19.114 INFO [stderr]   --> src/spinning_box.rs:21:9
Dec 19 20:19:19.114 INFO [stderr]    |
Dec 19 20:19:19.114 INFO [stderr] 21 |         const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
Dec 19 20:19:19.114 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.114 INFO [stderr] 
Dec 19 20:19:19.114 INFO [stderr] warning: constant item is never used: `RED`
Dec 19 20:19:19.114 INFO [stderr]   --> src/spinning_box.rs:22:9
Dec 19 20:19:19.114 INFO [stderr]    |
Dec 19 20:19:19.114 INFO [stderr] 22 |         const RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
Dec 19 20:19:19.114 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.114 INFO [stderr] 
Dec 19 20:19:19.114 INFO [stderr] warning: method is never used: `update`
Dec 19 20:19:19.114 INFO [stderr]   --> src/spinning_box.rs:40:5
Dec 19 20:19:19.114 INFO [stderr]    |
Dec 19 20:19:19.114 INFO [stderr] 40 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:19.114 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.114 INFO [stderr] 
Dec 19 20:19:19.114 INFO [stderr] warning: function is never used: `start`
Dec 19 20:19:19.114 INFO [stderr]   --> src/spinning_box.rs:45:1
Dec 19 20:19:19.114 INFO [stderr]    |
Dec 19 20:19:19.114 INFO [stderr] 45 | pub fn start() {
Dec 19 20:19:19.114 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:19.114 INFO [stderr] 
Dec 19 20:19:19.117 INFO [stderr] warning: struct is never constructed: `App`
Dec 19 20:19:19.117 INFO [stderr]   --> src/spinning_box.rs:12:1
Dec 19 20:19:19.117 INFO [stderr]    |
Dec 19 20:19:19.117 INFO [stderr] 12 | pub struct App {
Dec 19 20:19:19.117 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:19.117 INFO [stderr]    |
Dec 19 20:19:19.117 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:19:19.117 INFO [stderr] 
Dec 19 20:19:19.117 INFO [stderr] warning: method is never used: `render`
Dec 19 20:19:19.117 INFO [stderr]   --> src/spinning_box.rs:18:5
Dec 19 20:19:19.117 INFO [stderr]    |
Dec 19 20:19:19.117 INFO [stderr] 18 |     fn render(&mut self, args: &RenderArgs) {
Dec 19 20:19:19.117 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.117 INFO [stderr] 
Dec 19 20:19:19.117 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 19 20:19:19.117 INFO [stderr]   --> src/spinning_box.rs:21:9
Dec 19 20:19:19.117 INFO [stderr]    |
Dec 19 20:19:19.117 INFO [stderr] 21 |         const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
Dec 19 20:19:19.117 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.117 INFO [stderr] 
Dec 19 20:19:19.117 INFO [stderr] warning: constant item is never used: `RED`
Dec 19 20:19:19.117 INFO [stderr]   --> src/spinning_box.rs:22:9
Dec 19 20:19:19.117 INFO [stderr]    |
Dec 19 20:19:19.117 INFO [stderr] 22 |         const RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
Dec 19 20:19:19.117 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.117 INFO [stderr] 
Dec 19 20:19:19.117 INFO [stderr] warning: method is never used: `update`
Dec 19 20:19:19.117 INFO [stderr]   --> src/spinning_box.rs:40:5
Dec 19 20:19:19.117 INFO [stderr]    |
Dec 19 20:19:19.117 INFO [stderr] 40 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:19.117 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:19.117 INFO [stderr] 
Dec 19 20:19:19.117 INFO [stderr] warning: function is never used: `start`
Dec 19 20:19:19.117 INFO [stderr]   --> src/spinning_box.rs:45:1
Dec 19 20:19:19.117 INFO [stderr]    |
Dec 19 20:19:19.117 INFO [stderr] 45 | pub fn start() {
Dec 19 20:19:19.117 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:19.117 INFO [stderr] 
Dec 19 20:19:19.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.51s
Dec 19 20:19:19.904 INFO running `"docker" "inspect" "1bca7afcbab7fe17a7f3b8e0f2663b077481909e714031a38aa31e737cf608f7"`
Dec 19 20:19:20.252 INFO running `"docker" "rm" "-f" "1bca7afcbab7fe17a7f3b8e0f2663b077481909e714031a38aa31e737cf608f7"`
Dec 19 20:19:20.596 INFO [stdout] 1bca7afcbab7fe17a7f3b8e0f2663b077481909e714031a38aa31e737cf608f7