[INFO] cloning repository https://github.com/Crimack/snake.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Crimack/snake.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimack%2Fsnake.rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimack%2Fsnake.rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 642a100828cca72083fbf9643841fe9bac8bb6a3
[INFO] checking Crimack/snake.rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimack%2Fsnake.rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Crimack/snake.rs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Crimack/snake.rs
[INFO] finished tweaking git repo https://github.com/Crimack/snake.rs
[INFO] tweaked toml for git repo https://github.com/Crimack/snake.rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Crimack/snake.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5b0cf37f9ff4ebe6f5869052ed30deac540c948fdbf7cee861a8b9c97ac091f
[INFO] running `"docker" "start" "-a" "e5b0cf37f9ff4ebe6f5869052ed30deac540c948fdbf7cee861a8b9c97ac091f"`
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]     Checking serde v1.0.36
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking x11-dl v2.17.3
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]     Checking tempfile v3.0.0
[INFO] [stderr]     Checking rand v0.5.0-pre.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling serde_derive_internals v0.22.2
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.36
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.52.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.3
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `snake::Snake`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use snake::Snake;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `snake::Snake`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use snake::Snake;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/app.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snake`
[INFO] [stderr]   --> src/edibles.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn eat(&mut self, snake: &mut Snake) {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_snake`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snake`
[INFO] [stderr]   --> src/edibles.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn eat(&mut self, snake: &mut Snake) {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_snake`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/app.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         for mut f in &mut self.food {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/app.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         for mut p in &mut self.poison {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/app.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snake`
[INFO] [stderr]   --> src/edibles.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn eat(&mut self, snake: &mut Snake) {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_snake`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snake`
[INFO] [stderr]   --> src/edibles.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn eat(&mut self, snake: &mut Snake) {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_snake`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/app.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         for mut f in &mut self.food {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/app.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         for mut p in &mut self.poison {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "e5b0cf37f9ff4ebe6f5869052ed30deac540c948fdbf7cee861a8b9c97ac091f"`
[INFO] running `"docker" "rm" "-f" "e5b0cf37f9ff4ebe6f5869052ed30deac540c948fdbf7cee861a8b9c97ac091f"`
[INFO] [stdout] e5b0cf37f9ff4ebe6f5869052ed30deac540c948fdbf7cee861a8b9c97ac091f