Dec 19 20:19:06.741 INFO checking asarode/piston-grok against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:19:06.741 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/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:19:07.244 INFO [stdout] 23d5c81e4e62886532624b0bc06ea7431e5cfd95c5d0acf75d1138cbf0931466
Dec 19 20:19:07.244 INFO running `"docker" "start" "-a" "23d5c81e4e62886532624b0bc06ea7431e5cfd95c5d0acf75d1138cbf0931466"`
Dec 19 20:19:09.272 INFO [stderr]     Checking image v0.13.0
Dec 19 20:19:09.280 INFO [stderr]     Checking winit v0.6.4
Dec 19 20:19:11.907 INFO [stderr]     Checking glutin v0.8.1
Dec 19 20:19:14.602 INFO [stderr]     Checking pistoncore-glutin_window v0.37.0
Dec 19 20:19:16.161 INFO [stderr]     Checking piston2d-opengl_graphics v0.43.1
Dec 19 20:19:17.256 INFO [stderr]     Checking piston-grok v0.1.0 (/opt/crater/workdir)
Dec 19 20:19:18.368 INFO [stderr] warning: unused variable: `args`
Dec 19 20:19:18.368 INFO [stderr]   --> src/circles.rs:97:26
Dec 19 20:19:18.368 INFO [stderr]    |
Dec 19 20:19:18.368 INFO [stderr] 97 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:18.368 INFO [stderr]    |                          ^^^^ help: consider using `_args` instead
Dec 19 20:19:18.368 INFO [stderr]    |
Dec 19 20:19:18.368 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:19:18.368 INFO [stderr] 
Dec 19 20:19:18.374 INFO [stderr] warning: struct is never constructed: `App`
Dec 19 20:19:18.375 INFO [stderr]   --> src/spinning_box.rs:12:1
Dec 19 20:19:18.375 INFO [stderr]    |
Dec 19 20:19:18.375 INFO [stderr] 12 | pub struct App {
Dec 19 20:19:18.375 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:18.375 INFO [stderr]    |
Dec 19 20:19:18.375 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:19:18.375 INFO [stderr] 
Dec 19 20:19:18.375 INFO [stderr] warning: method is never used: `render`
Dec 19 20:19:18.375 INFO [stderr]   --> src/spinning_box.rs:18:5
Dec 19 20:19:18.375 INFO [stderr]    |
Dec 19 20:19:18.375 INFO [stderr] 18 |     fn render(&mut self, args: &RenderArgs) {
Dec 19 20:19:18.375 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.375 INFO [stderr] 
Dec 19 20:19:18.375 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 19 20:19:18.375 INFO [stderr]   --> src/spinning_box.rs:21:9
Dec 19 20:19:18.375 INFO [stderr]    |
Dec 19 20:19:18.375 INFO [stderr] 21 |         const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
Dec 19 20:19:18.375 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.375 INFO [stderr] 
Dec 19 20:19:18.375 INFO [stderr] warning: constant item is never used: `RED`
Dec 19 20:19:18.375 INFO [stderr]   --> src/spinning_box.rs:22:9
Dec 19 20:19:18.375 INFO [stderr]    |
Dec 19 20:19:18.375 INFO [stderr] 22 |         const RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
Dec 19 20:19:18.375 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.375 INFO [stderr] 
Dec 19 20:19:18.375 INFO [stderr] warning: method is never used: `update`
Dec 19 20:19:18.375 INFO [stderr]   --> src/spinning_box.rs:40:5
Dec 19 20:19:18.375 INFO [stderr]    |
Dec 19 20:19:18.375 INFO [stderr] 40 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:18.375 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.375 INFO [stderr] 
Dec 19 20:19:18.375 INFO [stderr] warning: function is never used: `start`
Dec 19 20:19:18.375 INFO [stderr]   --> src/spinning_box.rs:45:1
Dec 19 20:19:18.375 INFO [stderr]    |
Dec 19 20:19:18.375 INFO [stderr] 45 | pub fn start() {
Dec 19 20:19:18.375 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:18.375 INFO [stderr] 
Dec 19 20:19:18.604 INFO [stderr] warning: unused variable: `args`
Dec 19 20:19:18.604 INFO [stderr]   --> src/circles.rs:97:26
Dec 19 20:19:18.604 INFO [stderr]    |
Dec 19 20:19:18.604 INFO [stderr] 97 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:18.604 INFO [stderr]    |                          ^^^^ help: consider using `_args` instead
Dec 19 20:19:18.604 INFO [stderr]    |
Dec 19 20:19:18.604 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:19:18.604 INFO [stderr] 
Dec 19 20:19:18.608 INFO [stderr] warning: struct is never constructed: `App`
Dec 19 20:19:18.608 INFO [stderr]   --> src/spinning_box.rs:12:1
Dec 19 20:19:18.608 INFO [stderr]    |
Dec 19 20:19:18.608 INFO [stderr] 12 | pub struct App {
Dec 19 20:19:18.608 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:18.608 INFO [stderr]    |
Dec 19 20:19:18.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:19:18.608 INFO [stderr] 
Dec 19 20:19:18.608 INFO [stderr] warning: method is never used: `render`
Dec 19 20:19:18.608 INFO [stderr]   --> src/spinning_box.rs:18:5
Dec 19 20:19:18.608 INFO [stderr]    |
Dec 19 20:19:18.608 INFO [stderr] 18 |     fn render(&mut self, args: &RenderArgs) {
Dec 19 20:19:18.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.608 INFO [stderr] 
Dec 19 20:19:18.608 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 19 20:19:18.608 INFO [stderr]   --> src/spinning_box.rs:21:9
Dec 19 20:19:18.608 INFO [stderr]    |
Dec 19 20:19:18.608 INFO [stderr] 21 |         const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
Dec 19 20:19:18.608 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.608 INFO [stderr] 
Dec 19 20:19:18.608 INFO [stderr] warning: constant item is never used: `RED`
Dec 19 20:19:18.608 INFO [stderr]   --> src/spinning_box.rs:22:9
Dec 19 20:19:18.608 INFO [stderr]    |
Dec 19 20:19:18.608 INFO [stderr] 22 |         const RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
Dec 19 20:19:18.608 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.608 INFO [stderr] 
Dec 19 20:19:18.608 INFO [stderr] warning: method is never used: `update`
Dec 19 20:19:18.608 INFO [stderr]   --> src/spinning_box.rs:40:5
Dec 19 20:19:18.608 INFO [stderr]    |
Dec 19 20:19:18.608 INFO [stderr] 40 |     fn update(&mut self, args: &UpdateArgs) {
Dec 19 20:19:18.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:19:18.608 INFO [stderr] 
Dec 19 20:19:18.608 INFO [stderr] warning: function is never used: `start`
Dec 19 20:19:18.608 INFO [stderr]   --> src/spinning_box.rs:45:1
Dec 19 20:19:18.608 INFO [stderr]    |
Dec 19 20:19:18.608 INFO [stderr] 45 | pub fn start() {
Dec 19 20:19:18.608 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 20:19:18.608 INFO [stderr] 
Dec 19 20:19:18.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.63s
Dec 19 20:19:19.452 INFO running `"docker" "inspect" "23d5c81e4e62886532624b0bc06ea7431e5cfd95c5d0acf75d1138cbf0931466"`
Dec 19 20:19:19.814 INFO running `"docker" "rm" "-f" "23d5c81e4e62886532624b0bc06ea7431e5cfd95c5d0acf75d1138cbf0931466"`
Dec 19 20:19:20.208 INFO [stdout] 23d5c81e4e62886532624b0bc06ea7431e5cfd95c5d0acf75d1138cbf0931466