Dec 18 03:49:16.172 INFO checking asarode/piston-grok against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:49:16.173 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:49:16.586 INFO [stdout] 51e9197eb062e25087baa6593941c0bc5e908b26fb5bdf68f242e52d69ea2840
Dec 18 03:49:16.588 INFO running `"docker" "start" "-a" "51e9197eb062e25087baa6593941c0bc5e908b26fb5bdf68f242e52d69ea2840"`
Dec 18 03:49:18.788 INFO [stderr]     Checking piston2d-opengl_graphics v0.43.1
Dec 18 03:49:20.150 INFO [stderr]     Checking piston-grok v0.1.0 (/opt/crater/workdir)
Dec 18 03:49:21.578 INFO [stderr] warning: unused variable: `args`
Dec 18 03:49:21.579 INFO [stderr]   --> src/circles.rs:97:26
Dec 18 03:49:21.579 INFO [stderr]    |
Dec 18 03:49:21.579 INFO [stderr] 97 |     fn update(&mut self, args: &UpdateArgs) {
Dec 18 03:49:21.579 INFO [stderr]    |                          ^^^^ help: consider using `_args` instead
Dec 18 03:49:21.579 INFO [stderr]    |
Dec 18 03:49:21.579 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 03:49:21.579 INFO [stderr] 
Dec 18 03:49:21.587 INFO [stderr] warning: struct is never constructed: `App`
Dec 18 03:49:21.587 INFO [stderr]   --> src/spinning_box.rs:12:1
Dec 18 03:49:21.587 INFO [stderr]    |
Dec 18 03:49:21.587 INFO [stderr] 12 | pub struct App {
Dec 18 03:49:21.587 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 03:49:21.588 INFO [stderr]    |
Dec 18 03:49:21.588 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:49:21.588 INFO [stderr] 
Dec 18 03:49:21.588 INFO [stderr] warning: method is never used: `render`
Dec 18 03:49:21.588 INFO [stderr]   --> src/spinning_box.rs:18:5
Dec 18 03:49:21.588 INFO [stderr]    |
Dec 18 03:49:21.588 INFO [stderr] 18 |     fn render(&mut self, args: &RenderArgs) {
Dec 18 03:49:21.588 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.588 INFO [stderr] 
Dec 18 03:49:21.588 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 18 03:49:21.588 INFO [stderr]   --> src/spinning_box.rs:21:9
Dec 18 03:49:21.588 INFO [stderr]    |
Dec 18 03:49:21.588 INFO [stderr] 21 |         const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
Dec 18 03:49:21.588 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.588 INFO [stderr] 
Dec 18 03:49:21.588 INFO [stderr] warning: constant item is never used: `RED`
Dec 18 03:49:21.588 INFO [stderr]   --> src/spinning_box.rs:22:9
Dec 18 03:49:21.588 INFO [stderr]    |
Dec 18 03:49:21.588 INFO [stderr] 22 |         const RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
Dec 18 03:49:21.588 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.588 INFO [stderr] 
Dec 18 03:49:21.588 INFO [stderr] warning: method is never used: `update`
Dec 18 03:49:21.588 INFO [stderr]   --> src/spinning_box.rs:40:5
Dec 18 03:49:21.588 INFO [stderr]    |
Dec 18 03:49:21.588 INFO [stderr] 40 |     fn update(&mut self, args: &UpdateArgs) {
Dec 18 03:49:21.588 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.588 INFO [stderr] 
Dec 18 03:49:21.588 INFO [stderr] warning: function is never used: `start`
Dec 18 03:49:21.588 INFO [stderr]   --> src/spinning_box.rs:45:1
Dec 18 03:49:21.588 INFO [stderr]    |
Dec 18 03:49:21.588 INFO [stderr] 45 | pub fn start() {
Dec 18 03:49:21.588 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 03:49:21.588 INFO [stderr] 
Dec 18 03:49:21.632 INFO [stderr] warning: unused variable: `args`
Dec 18 03:49:21.632 INFO [stderr]   --> src/circles.rs:97:26
Dec 18 03:49:21.632 INFO [stderr]    |
Dec 18 03:49:21.632 INFO [stderr] 97 |     fn update(&mut self, args: &UpdateArgs) {
Dec 18 03:49:21.633 INFO [stderr]    |                          ^^^^ help: consider using `_args` instead
Dec 18 03:49:21.633 INFO [stderr]    |
Dec 18 03:49:21.633 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 03:49:21.633 INFO [stderr] 
Dec 18 03:49:21.643 INFO [stderr] warning: struct is never constructed: `App`
Dec 18 03:49:21.643 INFO [stderr]   --> src/spinning_box.rs:12:1
Dec 18 03:49:21.643 INFO [stderr]    |
Dec 18 03:49:21.643 INFO [stderr] 12 | pub struct App {
Dec 18 03:49:21.643 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 03:49:21.643 INFO [stderr]    |
Dec 18 03:49:21.643 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:49:21.643 INFO [stderr] 
Dec 18 03:49:21.644 INFO [stderr] warning: method is never used: `render`
Dec 18 03:49:21.644 INFO [stderr]   --> src/spinning_box.rs:18:5
Dec 18 03:49:21.644 INFO [stderr]    |
Dec 18 03:49:21.644 INFO [stderr] 18 |     fn render(&mut self, args: &RenderArgs) {
Dec 18 03:49:21.644 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.644 INFO [stderr] 
Dec 18 03:49:21.644 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 18 03:49:21.644 INFO [stderr]   --> src/spinning_box.rs:21:9
Dec 18 03:49:21.644 INFO [stderr]    |
Dec 18 03:49:21.644 INFO [stderr] 21 |         const GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
Dec 18 03:49:21.644 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.644 INFO [stderr] 
Dec 18 03:49:21.645 INFO [stderr] warning: constant item is never used: `RED`
Dec 18 03:49:21.645 INFO [stderr]   --> src/spinning_box.rs:22:9
Dec 18 03:49:21.645 INFO [stderr]    |
Dec 18 03:49:21.645 INFO [stderr] 22 |         const RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
Dec 18 03:49:21.645 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.645 INFO [stderr] 
Dec 18 03:49:21.645 INFO [stderr] warning: method is never used: `update`
Dec 18 03:49:21.645 INFO [stderr]   --> src/spinning_box.rs:40:5
Dec 18 03:49:21.646 INFO [stderr]    |
Dec 18 03:49:21.646 INFO [stderr] 40 |     fn update(&mut self, args: &UpdateArgs) {
Dec 18 03:49:21.646 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:21.646 INFO [stderr] 
Dec 18 03:49:21.646 INFO [stderr] warning: function is never used: `start`
Dec 18 03:49:21.646 INFO [stderr]   --> src/spinning_box.rs:45:1
Dec 18 03:49:21.646 INFO [stderr]    |
Dec 18 03:49:21.647 INFO [stderr] 45 | pub fn start() {
Dec 18 03:49:21.647 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 03:49:21.647 INFO [stderr] 
Dec 18 03:49:21.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
Dec 18 03:49:22.204 INFO running `"docker" "inspect" "51e9197eb062e25087baa6593941c0bc5e908b26fb5bdf68f242e52d69ea2840"`
Dec 18 03:49:22.370 INFO running `"docker" "rm" "-f" "51e9197eb062e25087baa6593941c0bc5e908b26fb5bdf68f242e52d69ea2840"`
Dec 18 03:49:22.612 INFO [stdout] 51e9197eb062e25087baa6593941c0bc5e908b26fb5bdf68f242e52d69ea2840