[INFO] cloning repository https://github.com/jjbel/learning-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjbel/learning-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjbel%2Flearning-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjbel%2Flearning-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b482f40f6b5afef5ea93aaa6fc7390e2b1e811f2
[INFO] testing jjbel/learning-wgpu 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%2Fjjbel%2Flearning-wgpu" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jjbel/learning-wgpu
[INFO] finished tweaking git repo https://github.com/jjbel/learning-wgpu
[INFO] tweaked toml for git repo https://github.com/jjbel/learning-wgpu written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jjbel/learning-wgpu 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/jjbel/learning-wgpu 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c215b6ea18f4f121896b0370f5231b595b3687ee82288c47c808ae43669c8655
[INFO] running `Command { std: "docker" "start" "-a" "c215b6ea18f4f121896b0370f5231b595b3687ee82288c47c808ae43669c8655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c215b6ea18f4f121896b0370f5231b595b3687ee82288c47c808ae43669c8655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c215b6ea18f4f121896b0370f5231b595b3687ee82288c47c808ae43669c8655", kill_on_drop: false }`
[INFO] [stdout] c215b6ea18f4f121896b0370f5231b595b3687ee82288c47c808ae43669c8655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fb5ac6c9dad77cd8d32e1dba26d07cac77e086f9a6931b38668194055e35a082
[INFO] running `Command { std: "docker" "start" "-a" "fb5ac6c9dad77cd8d32e1dba26d07cac77e086f9a6931b38668194055e35a082", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libloading v0.8.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling cc v1.0.105
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling wayland-client v0.31.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling quick-xml v0.34.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.2
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling wgpu-hal v0.19.4
[INFO] [stderr]    Compiling wayland-sys v0.31.3
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling xcursor v0.3.5
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.1
[INFO] [stderr]    Compiling ttf-parser v0.24.0
[INFO] [stderr]    Compiling bytemuck v1.16.1
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling wgpu-types v0.19.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling wgpu-core v0.19.4
[INFO] [stderr]    Compiling glow v0.13.1
[INFO] [stderr]    Compiling wayland-scanner v0.31.3
[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling tiny-skia v0.11.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling wgpu v0.19.4
[INFO] [stderr]    Compiling winit v0.29.15
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling xkbcommon-dl v0.4.2
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling wayland-backend v0.3.5
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling gpu-descriptor v0.2.4
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling pollster v0.3.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.24.0
[INFO] [stderr]    Compiling ab_glyph v0.2.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling naga v0.19.2
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling polling v3.7.2
[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling calloop v0.12.4
[INFO] [stderr]    Compiling wayland-csd-frame v0.3.0
[INFO] [stderr]    Compiling wayland-protocols v0.31.2
[INFO] [stderr]    Compiling wayland-cursor v0.31.4
[INFO] [stderr]    Compiling calloop-wayland-source v0.2.0
[INFO] [stderr]    Compiling wayland-protocols-wlr v0.2.0
[INFO] [stderr]    Compiling wayland-protocols-plasma v0.2.0
[INFO] [stderr]    Compiling sctk-adwaita v0.8.3
[INFO] [stderr]    Compiling wgpu_tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]    --> src/state.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout]  27 |   impl<'a> State<'a> {
[INFO] [stdout]     |        -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 163 |       pub fn render(&mut self) -> Result<(), wgpu::SurfaceError> {
[INFO] [stdout]     |                     - let's call the lifetime of this reference `'1`
[INFO] [stdout] ...
[INFO] [stdout] 202 | /         self.render_pass
[INFO] [stdout] 203 | |             .as_mut()
[INFO] [stdout]     | |_____________________^ argument requires that `'1` must outlive `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: requirement occurs because of a mutable reference to `Option<wgpu::RenderPass<'_>>`
[INFO] [stdout]     = note: mutable references are invariant over their type parameter
[INFO] [stdout]     = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `self.render_encoder` as mutable more than once at a time
[INFO] [stdout]    --> src/state.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl<'a> State<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 180 |         self.render_pass = Some(self.render_encoder.as_mut().unwrap().begin_render_pass(
[INFO] [stdout]     |         ----------------        ------------------- first mutable borrow occurs here
[INFO] [stdout]     |         |
[INFO] [stdout]     |         assignment requires that `self.render_encoder` is borrowed for `'a`
[INFO] [stdout] ...
[INFO] [stdout] 213 |             self.render_encoder.as_mut().unwrap().finish(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of a mutable reference
[INFO] [stdout]     --> src/state.rs:213:13
[INFO] [stdout]      |
[INFO] [stdout]  213 |             self.render_encoder.as_mut().unwrap().finish(),
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -------- value moved due to this method call
[INFO] [stdout]      |             |
[INFO] [stdout]      |             move occurs because value has type `wgpu::CommandEncoder`, which does not implement the `Copy` trait
[INFO] [stdout]      |
[INFO] [stdout] note: `wgpu::CommandEncoder::finish` takes ownership of the receiver `self`, which moves value
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/wgpu-0.19.4/src/lib.rs:3262:23
[INFO] [stdout]      |
[INFO] [stdout] 3262 |     pub fn finish(mut self) -> CommandBuffer {
[INFO] [stdout]      |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0499, E0507.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wgpu_tut` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fb5ac6c9dad77cd8d32e1dba26d07cac77e086f9a6931b38668194055e35a082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5ac6c9dad77cd8d32e1dba26d07cac77e086f9a6931b38668194055e35a082", kill_on_drop: false }`
[INFO] [stdout] fb5ac6c9dad77cd8d32e1dba26d07cac77e086f9a6931b38668194055e35a082
