[INFO] cloning repository https://github.com/onasauri/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onasauri/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonasauri%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonasauri%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eedc7092f4b9830a3afe813eee0bdebafe788cf1
[INFO] checking onasauri/snake against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonasauri%2Fsnake" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onasauri/snake on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onasauri/snake
[INFO] finished tweaking git repo https://github.com/onasauri/snake
[INFO] tweaked toml for git repo https://github.com/onasauri/snake written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/onasauri/snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.9.12
[INFO] [stderr]   Downloaded matrixmultiply v0.1.13
[INFO] [stderr]   Downloaded num-complex v0.1.36
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded either v1.0.3
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] [stderr]   Downloaded serde_derive v0.9.12
[INFO] [stderr]   Downloaded ndarray v0.8.0
[INFO] [stderr]   Downloaded preferences v1.1.0
[INFO] [stderr]   Downloaded lazy_static v0.2.4
[INFO] [stderr]   Downloaded sdl2 v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dfe48af289f7c0d45e98fce5295679494e7c98513f44f53a05adce1a0744ff8
[INFO] running `Command { std: "docker" "start" "-a" "2dfe48af289f7c0d45e98fce5295679494e7c98513f44f53a05adce1a0744ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dfe48af289f7c0d45e98fce5295679494e7c98513f44f53a05adce1a0744ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfe48af289f7c0d45e98fce5295679494e7c98513f44f53a05adce1a0744ff8", kill_on_drop: false }`
[INFO] [stdout] 2dfe48af289f7c0d45e98fce5295679494e7c98513f44f53a05adce1a0744ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb62cfa19c2bda95b6a416e40ca01aae75a20584d655d4796fd5259df883bde
[INFO] running `Command { std: "docker" "start" "-a" "6cb62cfa19c2bda95b6a416e40ca01aae75a20584d655d4796fd5259df883bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking serde v0.9.12
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.8.0
[INFO] [stderr]     Checking either v1.0.3
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-complex v0.1.36
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking sdl2 v0.29.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine.rs:37:41
[INFO] [stdout]    |
[INFO] [stdout] 37 | ...                   let mut window = self.renderer.window_mut().unwrap();
[INFO] [stdout]    |                           ----^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine.rs:37:41
[INFO] [stdout]    |
[INFO] [stdout] 37 | ...                   let mut window = self.renderer.window_mut().unwrap();
[INFO] [stdout]    |                           ----^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "6cb62cfa19c2bda95b6a416e40ca01aae75a20584d655d4796fd5259df883bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb62cfa19c2bda95b6a416e40ca01aae75a20584d655d4796fd5259df883bde", kill_on_drop: false }`
[INFO] [stdout] 6cb62cfa19c2bda95b6a416e40ca01aae75a20584d655d4796fd5259df883bde