[INFO] fetching crate runa-wayland-protocols 0.1.0...
[INFO] testing runa-wayland-protocols-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate runa-wayland-protocols 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate runa-wayland-protocols 0.1.0
[INFO] finished tweaking crates.io crate runa-wayland-protocols 0.1.0
[INFO] tweaked toml for crates.io crate runa-wayland-protocols 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate runa-wayland-protocols 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.6)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 34a4fb984355c21f3239035701c00f7944d5ecf49163c442dc91bc768f01cecb
[INFO] running `Command { std: "docker" "start" "-a" "34a4fb984355c21f3239035701c00f7944d5ecf49163c442dc91bc768f01cecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a4fb984355c21f3239035701c00f7944d5ecf49163c442dc91bc768f01cecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a4fb984355c21f3239035701c00f7944d5ecf49163c442dc91bc768f01cecb", kill_on_drop: false }`
[INFO] [stdout] 34a4fb984355c21f3239035701c00f7944d5ecf49163c442dc91bc768f01cecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f53940de25f1eca9e41ef16c2a019b11fcc66ee81d0d5a33b20e23778ecfd355
[INFO] running `Command { std: "docker" "start" "-a" "f53940de25f1eca9e41ef16c2a019b11fcc66ee81d0d5a33b20e23778ecfd355", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling quick-xml v0.28.2
[INFO] [stderr]    Compiling rust-format v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling linkify v0.9.0
[INFO] [stderr]    Compiling fixed v1.31.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling az v1.3.0
[INFO] [stderr]    Compiling runa-io-traits v0.0.1-alpha1
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runa-io-traits-0.0.1-alpha1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runa-io-traits-0.0.1-alpha1/src/lib.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         impl Future<Output = Result<Message<'a>>> + 'a;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NextMessageFut` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runa-io-traits-0.0.1-alpha1/src/lib.rs:414:13
[INFO] [stdout]     |
[INFO] [stdout] 385 |         fn next_message<'a>(self: Pin<&'a mut Self>) -> NextMessageFut<'a, Self>
[INFO] [stdout]     |                                                         ------------------------ expected `NextMessageFut<'a, Self>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 414 |             NextMessage(Some(self))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ expected future, found `NextMessage<'_, Self>`
[INFO] [stdout] ...
[INFO] [stdout] 438 |         impl Future<Output = Result<Message<'a>>> + 'a;
[INFO] [stdout]     |         ---------------------------------------------- the expected future
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected opaque type `NextMessageFut<'a, Self>`
[INFO] [stdout]                     found struct `NextMessage<'_, Self>`
[INFO] [stdout] note: this item must have a `#[define_opaque(NextMessageFut)]` attribute to be able to define hidden types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/runa-io-traits-0.0.1-alpha1/src/lib.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 |         fn next_message<'a>(self: Pin<&'a mut Self>) -> NextMessageFut<'a, Self>
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runa-io-traits` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f53940de25f1eca9e41ef16c2a019b11fcc66ee81d0d5a33b20e23778ecfd355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53940de25f1eca9e41ef16c2a019b11fcc66ee81d0d5a33b20e23778ecfd355", kill_on_drop: false }`
[INFO] [stdout] f53940de25f1eca9e41ef16c2a019b11fcc66ee81d0d5a33b20e23778ecfd355
