[INFO] cloning repository https://github.com/amediantsev/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/amediantsev/rust_snake_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famediantsev%2Frust_snake_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famediantsev%2Frust_snake_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9a7886a84a1d4bbf54f0640969d5e20d6730d81
[INFO] testing amediantsev/rust_snake_game against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famediantsev%2Frust_snake_game" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/amediantsev/rust_snake_game
[INFO] finished tweaking git repo https://github.com/amediantsev/rust_snake_game
[INFO] tweaked toml for git repo https://github.com/amediantsev/rust_snake_game written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/amediantsev/rust_snake_game on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/amediantsev/rust_snake_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10442be73cd96c4caa135eb8b52ca17f0b1fb56c9c5240909099833abc03904e
[INFO] running `Command { std: "docker" "start" "-a" "10442be73cd96c4caa135eb8b52ca17f0b1fb56c9c5240909099833abc03904e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10442be73cd96c4caa135eb8b52ca17f0b1fb56c9c5240909099833abc03904e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10442be73cd96c4caa135eb8b52ca17f0b1fb56c9c5240909099833abc03904e", kill_on_drop: false }`
[INFO] [stdout] 10442be73cd96c4caa135eb8b52ca17f0b1fb56c9c5240909099833abc03904e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78146db9df10a5e65f159e7f7654c48ddc25fbe8ab5928e2fdf2f8c37393316f
[INFO] running `Command { std: "docker" "start" "-a" "78146db9df10a5e65f159e7f7654c48ddc25fbe8ab5928e2fdf2f8c37393316f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling zune-inflate v0.2.53
[INFO] [stderr]    Compiling glutin v0.30.7
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
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[INFO] [stderr]    Compiling qoi v0.4.1
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[INFO] [stderr]    Compiling rusttype v0.9.3
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[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling gfx v0.18.3
[INFO] [stderr]    Compiling glutin_egl_sys v0.4.0
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[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling piston2d-graphics v0.43.0
[INFO] [stderr]    Compiling gl v0.13.0
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[INFO] [stderr]    Compiling syn v2.0.13
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[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]    Compiling wayland-client v0.29.5
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[INFO] [stderr]    Compiling winit v0.28.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling calloop v0.10.5
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling pistoncore-input v1.0.1
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.6.3
[INFO] [stderr]    Compiling pistoncore-window v0.47.1
[INFO] [stderr]    Compiling pistoncore-event_loop v0.53.1
[INFO] [stderr]    Compiling piston v0.53.2
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling piston-gfx_texture v0.44.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.79.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling sctk-adwaita v0.5.4
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.71.0
[INFO] [stderr]    Compiling piston_window v0.128.0
[INFO] [stderr]    Compiling snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/snake.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut head = self.pieces.last_mut().unwrap();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "78146db9df10a5e65f159e7f7654c48ddc25fbe8ab5928e2fdf2f8c37393316f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78146db9df10a5e65f159e7f7654c48ddc25fbe8ab5928e2fdf2f8c37393316f", kill_on_drop: false }`
[INFO] [stdout] 78146db9df10a5e65f159e7f7654c48ddc25fbe8ab5928e2fdf2f8c37393316f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59d4c9d5a7039bf1c3bf8b9e070c3eecf8d43ad2419476542a51d4e7a1b0f92
[INFO] running `Command { std: "docker" "start" "-a" "a59d4c9d5a7039bf1c3bf8b9e070c3eecf8d43ad2419476542a51d4e7a1b0f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/snake.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut head = self.pieces.last_mut().unwrap();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "a59d4c9d5a7039bf1c3bf8b9e070c3eecf8d43ad2419476542a51d4e7a1b0f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59d4c9d5a7039bf1c3bf8b9e070c3eecf8d43ad2419476542a51d4e7a1b0f92", kill_on_drop: false }`
[INFO] [stdout] a59d4c9d5a7039bf1c3bf8b9e070c3eecf8d43ad2419476542a51d4e7a1b0f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f13a5b6903693cb75552970226c0c227acef4423b79dffd2609087b85a7186f
[INFO] running `Command { std: "docker" "start" "-a" "0f13a5b6903693cb75552970226c0c227acef4423b79dffd2609087b85a7186f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/snake.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut head = self.pieces.last_mut().unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `snake_game` (bin "snake_game" test) generated 1 warning (run `cargo fix --bin "snake_game" -p snake_game --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/snake_game-f385d317969d3a72)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f13a5b6903693cb75552970226c0c227acef4423b79dffd2609087b85a7186f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f13a5b6903693cb75552970226c0c227acef4423b79dffd2609087b85a7186f", kill_on_drop: false }`
[INFO] [stdout] 0f13a5b6903693cb75552970226c0c227acef4423b79dffd2609087b85a7186f
