[INFO] updating cached repository https://github.com/Crimack/snake.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 642a100828cca72083fbf9643841fe9bac8bb6a3
[INFO] testing Crimack/snake.rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimack%2Fsnake.rs" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Crimack/snake.rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Crimack/snake.rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 32fab7d4ee2c138bb58aace8c00e5d644c215ac0cc73d5ba8bbe931a39062310
[INFO] running `"docker" "start" "-a" "32fab7d4ee2c138bb58aace8c00e5d644c215ac0cc73d5ba8bbe931a39062310"`
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling rand_core v0.1.0-pre.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling pistoncore-input v0.20.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling tempfile v3.0.0
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling rand v0.5.0-pre.0
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling pistoncore-window v0.31.0
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.36.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.52.0
[INFO] [stderr]    Compiling piston v0.36.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.45.3
[INFO] [stderr]    Compiling 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 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 32.70s
[INFO] running `"docker" "inspect" "32fab7d4ee2c138bb58aace8c00e5d644c215ac0cc73d5ba8bbe931a39062310"`
[INFO] running `"docker" "rm" "-f" "32fab7d4ee2c138bb58aace8c00e5d644c215ac0cc73d5ba8bbe931a39062310"`
[INFO] [stdout] 32fab7d4ee2c138bb58aace8c00e5d644c215ac0cc73d5ba8bbe931a39062310
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 71d004016bb063d0fbf457902211a74a0bc8e52f7e48dd477f6f6f3d4bafb451
[INFO] running `"docker" "start" "-a" "71d004016bb063d0fbf457902211a74a0bc8e52f7e48dd477f6f6f3d4bafb451"`
[INFO] [stderr]    Compiling 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 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 2.83s
[INFO] running `"docker" "inspect" "71d004016bb063d0fbf457902211a74a0bc8e52f7e48dd477f6f6f3d4bafb451"`
[INFO] running `"docker" "rm" "-f" "71d004016bb063d0fbf457902211a74a0bc8e52f7e48dd477f6f6f3d4bafb451"`
[INFO] [stdout] 71d004016bb063d0fbf457902211a74a0bc8e52f7e48dd477f6f6f3d4bafb451
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] dcfe581c36f9342075f431026abb6388c6893b29ce4d2a10a16e381a68d0a13c
[INFO] running `"docker" "start" "-a" "dcfe581c36f9342075f431026abb6388c6893b29ce4d2a10a16e381a68d0a13c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snake-7f6e234c5d4c7768
[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" "dcfe581c36f9342075f431026abb6388c6893b29ce4d2a10a16e381a68d0a13c"`
[INFO] running `"docker" "rm" "-f" "dcfe581c36f9342075f431026abb6388c6893b29ce4d2a10a16e381a68d0a13c"`
[INFO] [stdout] dcfe581c36f9342075f431026abb6388c6893b29ce4d2a10a16e381a68d0a13c