[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 beta-2026-04-21 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/amediantsev/rust_snake_game on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2690508da50c63d0829d3df13c67bff36043e43f4b3b7a3425a93764cfd4ff6
[INFO] running `Command { std: "docker" "start" "-a" "d2690508da50c63d0829d3df13c67bff36043e43f4b3b7a3425a93764cfd4ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2690508da50c63d0829d3df13c67bff36043e43f4b3b7a3425a93764cfd4ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2690508da50c63d0829d3df13c67bff36043e43f4b3b7a3425a93764cfd4ff6", kill_on_drop: false }`
[INFO] [stdout] d2690508da50c63d0829d3df13c67bff36043e43f4b3b7a3425a93764cfd4ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df293f58dbda26f5eb8ac3363e6020020f3925efc2cd0a83c80b28d2001e7715
[INFO] running `Command { std: "docker" "start" "-a" "df293f58dbda26f5eb8ac3363e6020020f3925efc2cd0a83c80b28d2001e7715", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[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 syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling tiny-skia-path v0.8.3
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[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 gl_generator v0.13.1
[INFO] [stderr]    Compiling glutin v0.30.7
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.4.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]    Compiling piston-texture v0.9.0
[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling gfx v0.18.3
[INFO] [stderr]    Compiling png v0.17.8
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling piston2d-graphics v0.43.0
[INFO] [stderr]    Compiling tiny-skia v0.8.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling winit v0.28.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling calloop v0.10.5
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[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] error[E0432]: unresolved import `piston_window::Glyphs`
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use piston_window::Glyphs::{self};
[INFO] [stdout]   |                    ^^^^^^ `Glyphs` is a type alias, not a module
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snake_game` (bin "snake_game") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "df293f58dbda26f5eb8ac3363e6020020f3925efc2cd0a83c80b28d2001e7715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df293f58dbda26f5eb8ac3363e6020020f3925efc2cd0a83c80b28d2001e7715", kill_on_drop: false }`
[INFO] [stdout] df293f58dbda26f5eb8ac3363e6020020f3925efc2cd0a83c80b28d2001e7715
