[INFO] fetching crate crescent 0.0.1-alpha1...
[INFO] testing crescent-0.0.1-alpha1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate crescent 0.0.1-alpha1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate crescent 0.0.1-alpha1
[INFO] finished tweaking crates.io crate crescent 0.0.1-alpha1
[INFO] tweaked toml for crates.io crate crescent 0.0.1-alpha1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crescent 0.0.1-alpha1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crescent 0.0.1-alpha1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 832c17b062ae40024152fa6a1fadb46d90358b6f0cc3c91f2cc8cccac0097462
[INFO] running `Command { std: "docker" "start" "-a" "832c17b062ae40024152fa6a1fadb46d90358b6f0cc3c91f2cc8cccac0097462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "832c17b062ae40024152fa6a1fadb46d90358b6f0cc3c91f2cc8cccac0097462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832c17b062ae40024152fa6a1fadb46d90358b6f0cc3c91f2cc8cccac0097462", kill_on_drop: false }`
[INFO] [stdout] 832c17b062ae40024152fa6a1fadb46d90358b6f0cc3c91f2cc8cccac0097462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd1e6bc53b5f6bde09ce46c384def7da510eaee6bb5e192274e7d95a717cf7b4
[INFO] running `Command { std: "docker" "start" "-a" "fd1e6bc53b5f6bde09ce46c384def7da510eaee6bb5e192274e7d95a717cf7b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling fixed v1.23.0
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]    Compiling quick-xml v0.28.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling rust-format v0.3.4
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling linkify v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling runa-io-traits v0.0.1-alpha1
[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] [stderr]    Compiling crossbeam-epoch v0.9.13
[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" "fd1e6bc53b5f6bde09ce46c384def7da510eaee6bb5e192274e7d95a717cf7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1e6bc53b5f6bde09ce46c384def7da510eaee6bb5e192274e7d95a717cf7b4", kill_on_drop: false }`
[INFO] [stdout] fd1e6bc53b5f6bde09ce46c384def7da510eaee6bb5e192274e7d95a717cf7b4
