Oct 13 04:59:38.342 INFO checking DomParfitt/copperhead against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 04:59:38.342 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 04:59:38.778 INFO blam! ff3dd52e3d824c2221dd81b1f89644ae0f0b51076230f736e9734cbbbb25a9d2
Oct 13 04:59:38.780 INFO running `"docker" "start" "-a" "ff3dd52e3d824c2221dd81b1f89644ae0f0b51076230f736e9734cbbbb25a9d2"`
Oct 13 04:59:40.091 INFO kablam! usermod: no changes
Oct 13 04:59:40.600 INFO kablam!    Compiling log v0.4.2
Oct 13 04:59:40.637 INFO kablam!     Checking tempfile v2.2.0
Oct 13 04:59:40.672 INFO kablam!     Checking gfx_core v0.7.2
Oct 13 04:59:40.674 INFO kablam!    Compiling target_build_utils v0.3.1
Oct 13 04:59:40.675 INFO kablam!    Compiling serde_json v0.9.10
Oct 13 04:59:40.684 INFO kablam!     Checking fs2 v0.2.5
Oct 13 04:59:40.686 INFO kablam!     Checking png v0.9.0
Oct 13 04:59:40.693 INFO kablam!     Checking pistoncore-input v0.19.0
Oct 13 04:59:44.590 INFO kablam!     Checking jpeg-decoder v0.1.15
Oct 13 04:59:46.056 INFO kablam!     Checking memmap v0.4.0
Oct 13 04:59:48.284 INFO kablam!    Compiling log v0.3.9
Oct 13 04:59:54.749 INFO kablam!    Compiling gl_generator v0.7.0
Oct 13 04:59:54.750 INFO kablam!    Compiling gl_generator v0.5.5
Oct 13 04:59:54.750 INFO kablam!    Compiling gl_generator v0.6.1
Oct 13 04:59:55.923 INFO kablam!     Checking image v0.15.0
Oct 13 05:00:13.596 INFO kablam!     Checking pistoncore-window v0.28.0
Oct 13 05:00:13.614 INFO kablam!    Compiling gfx_gl v0.4.0
Oct 13 05:00:13.639 INFO kablam!    Compiling glutin v0.9.2
Oct 13 05:00:13.830 INFO kablam!    Compiling gl v0.6.5
Oct 13 05:00:27.752 INFO kablam!     Checking pistoncore-event_loop v0.33.0
Oct 13 05:00:34.256 INFO kablam!     Checking piston v0.33.0
Oct 13 05:00:40.352 INFO kablam!    Compiling libloading v0.3.4
Oct 13 05:00:51.609 INFO kablam!     Checking dlib v0.3.1
Oct 13 05:00:54.121 INFO kablam!     Checking wayland-sys v0.9.10
Oct 13 05:00:56.959 INFO kablam!     Checking wayland-client v0.9.10
Oct 13 05:01:00.978 INFO kablam!     Checking wayland-protocols v0.9.10
Oct 13 05:01:00.978 INFO kablam!     Checking wayland-kbd v0.9.1
Oct 13 05:01:06.088 INFO kablam!     Checking wayland-window v0.7.0
Oct 13 05:01:07.909 INFO kablam!     Checking winit v0.7.6
Oct 13 05:01:15.848 INFO kablam!     Checking pistoncore-glutin_window v0.39.1
Oct 13 05:01:18.356 INFO kablam!     Checking gfx v0.16.3
Oct 13 05:01:18.356 INFO kablam!     Checking gfx_device_gl v0.14.6
Oct 13 05:01:25.396 INFO kablam!     Checking piston-gfx_texture v0.26.0
Oct 13 05:01:28.760 INFO kablam!     Checking piston2d-gfx_graphics v0.43.0
Oct 13 05:01:33.775 INFO kablam!     Checking piston_window v0.70.0
Oct 13 05:01:38.477 INFO kablam!     Checking snake v0.1.0 (/source)
Oct 13 05:01:45.700 INFO kablam! warning: constant item is never used: `BLUE`
Oct 13 05:01:45.701 INFO kablam!  --> src/color/mod.rs:3:1
Oct 13 05:01:45.701 INFO kablam!   |
Oct 13 05:01:45.701 INFO kablam! 3 | pub const BLUE:   [f32; 4] = [0.0, 0.0, 1.0, 1.0];
Oct 13 05:01:45.701 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.702 INFO kablam!   |
Oct 13 05:01:45.702 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 05:01:45.702 INFO kablam! 
Oct 13 05:01:45.702 INFO kablam! warning: constant item is never used: `YELLOW`
Oct 13 05:01:45.703 INFO kablam!  --> src/color/mod.rs:4:1
Oct 13 05:01:45.703 INFO kablam!   |
Oct 13 05:01:45.703 INFO kablam! 4 | pub const YELLOW: [f32; 4] = [1.0, 1.0, 0.0, 1.0];
Oct 13 05:01:45.703 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.704 INFO kablam! 
Oct 13 05:01:45.704 INFO kablam! warning: constant item is never used: `PURPLE`
Oct 13 05:01:45.704 INFO kablam!  --> src/color/mod.rs:5:1
Oct 13 05:01:45.704 INFO kablam!   |
Oct 13 05:01:45.705 INFO kablam! 5 | pub const PURPLE: [f32; 4] = [1.0, 0.0, 1.0, 1.0];
Oct 13 05:01:45.705 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.705 INFO kablam! 
Oct 13 05:01:45.706 INFO kablam! warning: constant item is never used: `CYAN`
Oct 13 05:01:45.706 INFO kablam!  --> src/color/mod.rs:6:1
Oct 13 05:01:45.706 INFO kablam!   |
Oct 13 05:01:45.706 INFO kablam! 6 | pub const CYAN:   [f32; 4] = [0.0, 1.0, 1.0, 1.0];
Oct 13 05:01:45.706 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.707 INFO kablam! 
Oct 13 05:01:45.707 INFO kablam! warning: struct is never constructed: `Controller`
Oct 13 05:01:45.707 INFO kablam!  --> src/controller/mod.rs:5:1
Oct 13 05:01:45.707 INFO kablam!   |
Oct 13 05:01:45.708 INFO kablam! 5 | pub struct Controller<'a> {
Oct 13 05:01:45.708 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.708 INFO kablam! 
Oct 13 05:01:45.708 INFO kablam! warning: method is never used: `new`
Oct 13 05:01:45.709 INFO kablam!   --> src/controller/mod.rs:10:5
Oct 13 05:01:45.709 INFO kablam!    |
Oct 13 05:01:45.709 INFO kablam! 10 |     pub fn new(snake: &'a mut Snake) -> Self {
Oct 13 05:01:45.709 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.709 INFO kablam! 
Oct 13 05:01:45.710 INFO kablam! warning: method is never used: `process`
Oct 13 05:01:45.710 INFO kablam!   --> src/controller/mod.rs:16:5
Oct 13 05:01:45.710 INFO kablam!    |
Oct 13 05:01:45.710 INFO kablam! 16 |     pub fn process(&mut self, key: Key) {
Oct 13 05:01:45.711 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.711 INFO kablam! 
Oct 13 05:01:45.711 INFO kablam! warning: method is never used: `key_binding`
Oct 13 05:01:45.711 INFO kablam!   --> src/controller/mod.rs:23:5
Oct 13 05:01:45.712 INFO kablam!    |
Oct 13 05:01:45.712 INFO kablam! 23 |     fn key_binding(key: Key) -> Direction {
Oct 13 05:01:45.712 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:45.712 INFO kablam! 
Oct 13 05:01:46.076 INFO kablam! warning: constant item is never used: `BLUE`
Oct 13 05:01:46.076 INFO kablam!  --> src/color/mod.rs:3:1
Oct 13 05:01:46.076 INFO kablam!   |
Oct 13 05:01:46.076 INFO kablam! 3 | pub const BLUE:   [f32; 4] = [0.0, 0.0, 1.0, 1.0];
Oct 13 05:01:46.076 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.076 INFO kablam!   |
Oct 13 05:01:46.076 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 05:01:46.076 INFO kablam! 
Oct 13 05:01:46.076 INFO kablam! warning: constant item is never used: `YELLOW`
Oct 13 05:01:46.076 INFO kablam!  --> src/color/mod.rs:4:1
Oct 13 05:01:46.076 INFO kablam!   |
Oct 13 05:01:46.076 INFO kablam! 4 | pub const YELLOW: [f32; 4] = [1.0, 1.0, 0.0, 1.0];
Oct 13 05:01:46.076 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.076 INFO kablam! 
Oct 13 05:01:46.076 INFO kablam! warning: constant item is never used: `PURPLE`
Oct 13 05:01:46.076 INFO kablam!  --> src/color/mod.rs:5:1
Oct 13 05:01:46.076 INFO kablam!   |
Oct 13 05:01:46.076 INFO kablam! 5 | pub const PURPLE: [f32; 4] = [1.0, 0.0, 1.0, 1.0];
Oct 13 05:01:46.076 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.076 INFO kablam! 
Oct 13 05:01:46.080 INFO kablam! warning: constant item is never used: `CYAN`
Oct 13 05:01:46.080 INFO kablam!  --> src/color/mod.rs:6:1
Oct 13 05:01:46.080 INFO kablam!   |
Oct 13 05:01:46.080 INFO kablam! 6 | pub const CYAN:   [f32; 4] = [0.0, 1.0, 1.0, 1.0];
Oct 13 05:01:46.080 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.080 INFO kablam! 
Oct 13 05:01:46.080 INFO kablam! warning: struct is never constructed: `Controller`
Oct 13 05:01:46.080 INFO kablam!  --> src/controller/mod.rs:5:1
Oct 13 05:01:46.080 INFO kablam!   |
Oct 13 05:01:46.080 INFO kablam! 5 | pub struct Controller<'a> {
Oct 13 05:01:46.080 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.080 INFO kablam! 
Oct 13 05:01:46.080 INFO kablam! warning: method is never used: `new`
Oct 13 05:01:46.080 INFO kablam!   --> src/controller/mod.rs:10:5
Oct 13 05:01:46.080 INFO kablam!    |
Oct 13 05:01:46.080 INFO kablam! 10 |     pub fn new(snake: &'a mut Snake) -> Self {
Oct 13 05:01:46.080 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.080 INFO kablam! 
Oct 13 05:01:46.080 INFO kablam! warning: method is never used: `process`
Oct 13 05:01:46.080 INFO kablam!   --> src/controller/mod.rs:16:5
Oct 13 05:01:46.080 INFO kablam!    |
Oct 13 05:01:46.080 INFO kablam! 16 |     pub fn process(&mut self, key: Key) {
Oct 13 05:01:46.080 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.080 INFO kablam! 
Oct 13 05:01:46.080 INFO kablam! warning: method is never used: `key_binding`
Oct 13 05:01:46.080 INFO kablam!   --> src/controller/mod.rs:23:5
Oct 13 05:01:46.080 INFO kablam!    |
Oct 13 05:01:46.080 INFO kablam! 23 |     fn key_binding(key: Key) -> Direction {
Oct 13 05:01:46.080 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 05:01:46.080 INFO kablam! 
Oct 13 05:01:46.128 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
Oct 13 05:01:46.148 INFO kablam! su: No module specific data is present
Oct 13 05:01:46.865 INFO running `"docker" "rm" "-f" "ff3dd52e3d824c2221dd81b1f89644ae0f0b51076230f736e9734cbbbb25a9d2"`
Oct 13 05:01:47.192 INFO blam! ff3dd52e3d824c2221dd81b1f89644ae0f0b51076230f736e9734cbbbb25a9d2