[INFO] updating cached repository DomParfitt/copperhead
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DomParfitt/copperhead
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DomParfitt/copperhead" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/DomParfitt/copperhead"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/DomParfitt/copperhead'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DomParfitt/copperhead" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DomParfitt/copperhead"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DomParfitt/copperhead'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f04d3fe1bc5f1dac1b22b8834e61b60c174572f
[INFO] sha for GitHub repo DomParfitt/copperhead: 3f04d3fe1bc5f1dac1b22b8834e61b60c174572f
[INFO] validating manifest of DomParfitt/copperhead on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DomParfitt/copperhead on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DomParfitt/copperhead
[INFO] finished frobbing DomParfitt/copperhead
[INFO] frobbed toml for DomParfitt/copperhead written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/DomParfitt/copperhead/Cargo.toml
[INFO] started frobbing DomParfitt/copperhead
[INFO] finished frobbing DomParfitt/copperhead
[INFO] frobbed toml for DomParfitt/copperhead written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DomParfitt/copperhead/Cargo.toml
[INFO] crate DomParfitt/copperhead has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing DomParfitt/copperhead against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DomParfitt/copperhead:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 94d360914c06d28512dba53dca31f120b4a6579d6d1712dd5b615a1968436ca0
[INFO] running `"docker" "start" "-a" "94d360914c06d28512dba53dca31f120b4a6579d6d1712dd5b615a1968436ca0"`
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling rusttype v0.2.3
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling pistoncore-input v0.19.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling gfx_core v0.7.2
[INFO] [stderr]    Compiling pistoncore-window v0.28.0
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling image v0.15.0
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling pistoncore-event_loop v0.33.0
[INFO] [stderr]    Compiling piston v0.33.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.7.0
[INFO] [stderr]    Compiling winit v0.7.6
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.39.1
[INFO] [stderr]    Compiling gfx v0.16.3
[INFO] [stderr]    Compiling gfx_device_gl v0.14.6
[INFO] [stderr]    Compiling piston-gfx_texture v0.26.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.43.0
[INFO] [stderr]    Compiling piston_window v0.70.0
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `BLUE`
[INFO] [stderr]  --> src/color/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const BLUE:   [f32; 4] = [0.0, 0.0, 1.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `YELLOW`
[INFO] [stderr]  --> src/color/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const YELLOW: [f32; 4] = [1.0, 1.0, 0.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PURPLE`
[INFO] [stderr]  --> src/color/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const PURPLE: [f32; 4] = [1.0, 0.0, 1.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CYAN`
[INFO] [stderr]  --> src/color/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const CYAN:   [f32; 4] = [0.0, 1.0, 1.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Controller`
[INFO] [stderr]  --> src/controller/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Controller<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/controller/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(snake: &'a mut Snake) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process`
[INFO] [stderr]   --> src/controller/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn process(&mut self, key: Key) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_binding`
[INFO] [stderr]   --> src/controller/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn key_binding(key: Key) -> Direction {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `"docker" "inspect" "94d360914c06d28512dba53dca31f120b4a6579d6d1712dd5b615a1968436ca0"`
[INFO] running `"docker" "rm" "-f" "94d360914c06d28512dba53dca31f120b4a6579d6d1712dd5b615a1968436ca0"`
[INFO] [stdout] 94d360914c06d28512dba53dca31f120b4a6579d6d1712dd5b615a1968436ca0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DomParfitt/copperhead:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f17a43d7db39519b36a77f0a8a86727cd4e7752358842a7193c0d78e98fefad7
[INFO] running `"docker" "start" "-a" "f17a43d7db39519b36a77f0a8a86727cd4e7752358842a7193c0d78e98fefad7"`
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `BLUE`
[INFO] [stderr]  --> src/color/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const BLUE:   [f32; 4] = [0.0, 0.0, 1.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `YELLOW`
[INFO] [stderr]  --> src/color/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const YELLOW: [f32; 4] = [1.0, 1.0, 0.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PURPLE`
[INFO] [stderr]  --> src/color/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const PURPLE: [f32; 4] = [1.0, 0.0, 1.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CYAN`
[INFO] [stderr]  --> src/color/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const CYAN:   [f32; 4] = [0.0, 1.0, 1.0, 1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Controller`
[INFO] [stderr]  --> src/controller/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Controller<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/controller/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(snake: &'a mut Snake) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process`
[INFO] [stderr]   --> src/controller/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn process(&mut self, key: Key) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_binding`
[INFO] [stderr]   --> src/controller/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn key_binding(key: Key) -> Direction {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "f17a43d7db39519b36a77f0a8a86727cd4e7752358842a7193c0d78e98fefad7"`
[INFO] running `"docker" "rm" "-f" "f17a43d7db39519b36a77f0a8a86727cd4e7752358842a7193c0d78e98fefad7"`
[INFO] [stdout] f17a43d7db39519b36a77f0a8a86727cd4e7752358842a7193c0d78e98fefad7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DomParfitt/copperhead:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 30cb031322ca66ccb5af49141bb8124fd905b81dfa30dc042f2c8ec55b3d79be
[INFO] running `"docker" "start" "-a" "30cb031322ca66ccb5af49141bb8124fd905b81dfa30dc042f2c8ec55b3d79be"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake-4c4d62b8d5d75937
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "30cb031322ca66ccb5af49141bb8124fd905b81dfa30dc042f2c8ec55b3d79be"`
[INFO] running `"docker" "rm" "-f" "30cb031322ca66ccb5af49141bb8124fd905b81dfa30dc042f2c8ec55b3d79be"`
[INFO] [stdout] 30cb031322ca66ccb5af49141bb8124fd905b81dfa30dc042f2c8ec55b3d79be