[INFO] cloning repository https://github.com/lucascaro/rust-snake-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucascaro/rust-snake-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucascaro%2Frust-snake-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucascaro%2Frust-snake-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b649cd4766e0fd28c1fddbaf67b586f0bae05068
[INFO] checking lucascaro/rust-snake-game against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucascaro%2Frust-snake-game" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucascaro/rust-snake-game on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucascaro/rust-snake-game
[INFO] finished tweaking git repo https://github.com/lucascaro/rust-snake-game
[INFO] tweaked toml for git repo https://github.com/lucascaro/rust-snake-game written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lucascaro/rust-snake-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl v0.13.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.68.0
[INFO] [stderr]   Downloaded piston_window v0.117.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d5935c4e966a276923e6f7c1817d24ad969718889af2e5d7057801381490b3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d5935c4e966a276923e6f7c1817d24ad969718889af2e5d7057801381490b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5935c4e966a276923e6f7c1817d24ad969718889af2e5d7057801381490b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5935c4e966a276923e6f7c1817d24ad969718889af2e5d7057801381490b3f", kill_on_drop: false }`
[INFO] [stdout] 8d5935c4e966a276923e6f7c1817d24ad969718889af2e5d7057801381490b3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4992699648c912853cb65d8010a1ba2f7b09a1b678349fdb1aabb3be2105679a
[INFO] running `Command { std: "docker" "start" "-a" "4992699648c912853cb65d8010a1ba2f7b09a1b678349fdb1aabb3be2105679a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
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[INFO] [stderr]     Checking lock_api v0.4.2
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking shared_library v0.1.9
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[INFO] [stderr]     Checking piston2d-graphics v0.39.0
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[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]    Compiling nom v6.1.0
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[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
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[INFO] [stderr]     Checking draw_state v0.8.0
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[INFO] [stderr]     Checking parking_lot v0.11.1
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[INFO] [stderr]    Compiling quote v1.0.8
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[INFO] [stderr]    Compiling wayland-scanner v0.28.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
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[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling wayland-client v0.28.3
[INFO] [stderr]    Compiling wayland-protocols v0.28.3
[INFO] [stderr]     Checking wayland-commons v0.28.3
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.21
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[INFO] [stderr]     Checking wayland-egl v0.28.3
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.72.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.2
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.52.0
[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking piston v0.52.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.68.0
[INFO] [stderr]     Checking piston_window v0.117.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/score.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn from(file_name: &str) -> Score {
[INFO] [stdout]    |               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/score.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn from(file_name: &str) -> Score {
[INFO] [stdout]    |               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Score`
[INFO] [stdout]  --> src/score.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Score {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/score.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   pub fn new() -> Score {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/score.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn from(file_name: &str) -> Score {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_score`
[INFO] [stdout]   --> src/score.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub fn set_score(&mut self, score: u32) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Score`
[INFO] [stdout]  --> src/score.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Score {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/score.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   pub fn new() -> Score {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/score.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn from(file_name: &str) -> Score {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_score`
[INFO] [stdout]   --> src/score.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub fn set_score(&mut self, score: u32) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.91s
[INFO] running `Command { std: "docker" "inspect" "4992699648c912853cb65d8010a1ba2f7b09a1b678349fdb1aabb3be2105679a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4992699648c912853cb65d8010a1ba2f7b09a1b678349fdb1aabb3be2105679a", kill_on_drop: false }`
[INFO] [stdout] 4992699648c912853cb65d8010a1ba2f7b09a1b678349fdb1aabb3be2105679a