[INFO] cloning repository https://github.com/yutannihilation/learn-wgpu-2026
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yutannihilation/learn-wgpu-2026" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyutannihilation%2Flearn-wgpu-2026", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyutannihilation%2Flearn-wgpu-2026'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1867a15c97e2e031067db603d8d50af55f7d0a6
[INFO] checking yutannihilation/learn-wgpu-2026 against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyutannihilation%2Flearn-wgpu-2026" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yutannihilation/learn-wgpu-2026
[INFO] finished tweaking git repo https://github.com/yutannihilation/learn-wgpu-2026
[INFO] tweaked toml for git repo https://github.com/yutannihilation/learn-wgpu-2026 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yutannihilation/learn-wgpu-2026 on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yutannihilation/learn-wgpu-2026 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol_str v0.3.5
[INFO] [stderr]   Downloaded winit-core v0.31.0-beta.2
[INFO] [stderr]   Downloaded calloop-wayland-source v0.4.1
[INFO] [stderr]   Downloaded wgpu-core-deps-emscripten v28.0.0
[INFO] [stderr]   Downloaded wgpu-core-deps-apple v28.0.0
[INFO] [stderr]   Downloaded wgpu-core-deps-windows-linux-android v28.0.0
[INFO] [stderr]   Downloaded wayland-protocols-misc v0.3.10
[INFO] [stderr]   Downloaded wayland-protocols-experimental v20250721.0.1
[INFO] [stderr]   Downloaded winit-orbital v0.31.0-beta.2
[INFO] [stderr]   Downloaded calloop v0.14.3
[INFO] [stderr]   Downloaded tobj v4.0.3
[INFO] [stderr]   Downloaded gpu-allocator v0.28.0
[INFO] [stderr]   Downloaded wayland-protocols-plasma v0.3.10
[INFO] [stderr]   Downloaded winit-appkit v0.31.0-beta.2
[INFO] [stderr]   Downloaded cc v1.2.53
[INFO] [stderr]   Downloaded meshopt v0.6.2
[INFO] [stderr]   Downloaded wgpu-types v28.0.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.20.0
[INFO] [stderr]   Downloaded winit-win32 v0.31.0-beta.2
[INFO] [stderr]   Downloaded keyboard-types v0.8.3
[INFO] [stderr]   Downloaded wgpu v28.0.0
[INFO] [stderr]   Downloaded winit-x11 v0.31.0-beta.2
[INFO] [stderr]   Downloaded winit-web v0.31.0-beta.2
[INFO] [stderr]   Downloaded winit-android v0.31.0-beta.2
[INFO] [stderr]   Downloaded winit-uikit v0.31.0-beta.2
[INFO] [stderr]   Downloaded sctk-adwaita v0.11.0
[INFO] [stderr]   Downloaded wgpu-core v28.0.0
[INFO] [stderr]   Downloaded winit-wayland v0.31.0-beta.2
[INFO] [stderr]   Downloaded borsh v1.6.0
[INFO] [stderr]   Downloaded ordered-float v5.1.0
[INFO] [stderr]   Downloaded wgpu-hal v28.0.0
[INFO] [stderr]   Downloaded winit v0.31.0-beta.2
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.3.10
[INFO] [stderr]   Downloaded winit-common v0.31.0-beta.2
[INFO] [stderr]   Downloaded glam v0.30.10
[INFO] [stderr]   Downloaded naga v28.0.0
[INFO] [stderr]   Downloaded orbclient v0.3.50
[INFO] [stderr]   Downloaded metal v0.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d2d80553c13eb708192f7e77297b199b507dcf98301602cb2ab5bd4b8b46673
[INFO] running `Command { std: "docker" "start" "-a" "3d2d80553c13eb708192f7e77297b199b507dcf98301602cb2ab5bd4b8b46673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2d80553c13eb708192f7e77297b199b507dcf98301602cb2ab5bd4b8b46673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2d80553c13eb708192f7e77297b199b507dcf98301602cb2ab5bd4b8b46673", kill_on_drop: false }`
[INFO] [stdout] 3d2d80553c13eb708192f7e77297b199b507dcf98301602cb2ab5bd4b8b46673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8006adbdad265c53ec0c59def70d0d8a7f3c6c592c46c854adfe05e021b576f0
[INFO] running `Command { std: "docker" "start" "-a" "8006adbdad265c53ec0c59def70d0d8a7f3c6c592c46c854adfe05e021b576f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking raw-window-handle v0.6.2
[INFO] [stderr]     Checking wayland-sys v0.31.8
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking cursor-icon v1.2.0
[INFO] [stderr]     Checking xkeysym v0.2.1
[INFO] [stderr]     Checking xcursor v0.3.10
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling naga v28.0.0
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking codespan-reporting v0.12.0
[INFO] [stderr]    Compiling wgpu-hal v28.0.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.2.0
[INFO] [stderr]     Checking spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]     Checking keyboard-types v0.8.3
[INFO] [stderr]     Checking presser v0.3.1
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling smithay-client-toolkit v0.20.0
[INFO] [stderr]     Checking smol_str v0.3.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking dpi v0.1.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking xkbcommon-dl v0.4.2
[INFO] [stderr]     Checking renderdoc-sys v1.1.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]    Compiling wayland-scanner v0.31.8
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking glow v0.16.0
[INFO] [stderr]     Checking winit-core v0.31.0-beta.2
[INFO] [stderr]    Compiling wgpu-core v28.0.0
[INFO] [stderr]     Checking as-raw-xcb-connection v1.0.1
[INFO] [stderr]     Checking x11rb-protocol v0.13.2
[INFO] [stderr]     Checking gpu-descriptor v0.3.2
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking pxfm v0.1.27
[INFO] [stderr]    Compiling winit v0.31.0-beta.2
[INFO] [stderr]    Compiling wgpu v28.0.0
[INFO] [stderr]     Checking zune-core v0.5.1
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking jiff v0.2.18
[INFO] [stderr]     Checking zune-jpeg v0.5.11
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking pollster v0.4.0
[INFO] [stderr]    Compiling wayland-backend v0.3.12
[INFO] [stderr]    Compiling meshopt v0.6.2
[INFO] [stderr]     Checking owned_ttf_parser v0.25.1
[INFO] [stderr]     Checking ab_glyph v0.2.32
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking moxcms v0.7.11
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking gethostname v1.1.0
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking calloop v0.14.3
[INFO] [stderr]     Checking tiny-skia-path v0.11.4
[INFO] [stderr]     Checking wgpu-types v28.0.0
[INFO] [stderr]     Checking glam v0.30.10
[INFO] [stderr]     Checking wayland-client v0.31.12
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]     Checking winit-common v0.31.0-beta.2
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking gpu-allocator v0.28.0
[INFO] [stderr]     Checking tiny-skia v0.11.4
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking wayland-protocols v0.32.10
[INFO] [stderr]     Checking calloop-wayland-source v0.4.1
[INFO] [stderr]     Checking wayland-cursor v0.31.12
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking tobj v4.0.3
[INFO] [stderr]     Checking image v0.25.9
[INFO] [stderr]     Checking wayland-protocols-misc v0.3.10
[INFO] [stderr]     Checking wayland-protocols-experimental v20250721.0.1
[INFO] [stderr]     Checking wayland-protocols-wlr v0.3.10
[INFO] [stderr]     Checking wayland-protocols-plasma v0.3.10
[INFO] [stderr]     Checking sctk-adwaita v0.11.0
[INFO] [stderr]     Checking winit-wayland v0.31.0-beta.2
[INFO] [stderr]     Checking x11rb v0.13.2
[INFO] [stderr]     Checking winit-x11 v0.31.0-beta.2
[INFO] [stderr]     Checking wgpu-core-deps-windows-linux-android v28.0.0
[INFO] [stderr]     Checking learn-wgpu-2026 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `event_loop`
[INFO] [stdout]    --> src/main.rs:948:33
[INFO] [stdout]     |
[INFO] [stdout] 948 |     fn proxy_wake_up(&mut self, event_loop: &dyn ActiveEventLoop) {
[INFO] [stdout]     |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:955:9
[INFO] [stdout]     |
[INFO] [stdout] 955 |         window_id: winit::window::WindowId,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:975:25
[INFO] [stdout]     |
[INFO] [stdout] 975 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/main.rs:997:10
[INFO] [stdout]     |
[INFO] [stdout] 997 |     let (sender, receiver) = mpsc::channel();
[INFO] [stdout]     |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_loop`
[INFO] [stdout]    --> src/main.rs:948:33
[INFO] [stdout]     |
[INFO] [stdout] 948 |     fn proxy_wake_up(&mut self, event_loop: &dyn ActiveEventLoop) {
[INFO] [stdout]     |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]    --> src/main.rs:955:9
[INFO] [stdout]     |
[INFO] [stdout] 955 |         window_id: winit::window::WindowId,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:975:25
[INFO] [stdout]     |
[INFO] [stdout] 975 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/main.rs:997:10
[INFO] [stdout]     |
[INFO] [stdout] 997 |     let (sender, receiver) = mpsc::channel();
[INFO] [stdout]     |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "8006adbdad265c53ec0c59def70d0d8a7f3c6c592c46c854adfe05e021b576f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8006adbdad265c53ec0c59def70d0d8a7f3c6c592c46c854adfe05e021b576f0", kill_on_drop: false }`
[INFO] [stdout] 8006adbdad265c53ec0c59def70d0d8a7f3c6c592c46c854adfe05e021b576f0