[INFO] fetching crate yew-route-breadcrumbs 0.1.2...
[INFO] testing yew-route-breadcrumbs-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate yew-route-breadcrumbs 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate yew-route-breadcrumbs 0.1.2
[INFO] finished tweaking crates.io crate yew-route-breadcrumbs 0.1.2
[INFO] tweaked toml for crates.io crate yew-route-breadcrumbs 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yew-route-breadcrumbs 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yew-route-breadcrumbs 0.1.2 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94adbe45403ba0f51e6448ae2e8e78d2b9c0f20440e5b8bff3bf59f2e8382166
[INFO] running `Command { std: "docker" "start" "-a" "94adbe45403ba0f51e6448ae2e8e78d2b9c0f20440e5b8bff3bf59f2e8382166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94adbe45403ba0f51e6448ae2e8e78d2b9c0f20440e5b8bff3bf59f2e8382166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94adbe45403ba0f51e6448ae2e8e78d2b9c0f20440e5b8bff3bf59f2e8382166", kill_on_drop: false }`
[INFO] [stdout] 94adbe45403ba0f51e6448ae2e8e78d2b9c0f20440e5b8bff3bf59f2e8382166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114bbdbe79058fa7f1e4ce00b67a6b07ba9dbfbf4c7ac4eafd027beb34c3ecb1
[INFO] running `Command { std: "docker" "start" "-a" "114bbdbe79058fa7f1e4ce00b67a6b07ba9dbfbf4c7ac4eafd027beb34c3ecb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling yew-route-breadcrumbs-derive v0.1.2
[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/yew-route-breadcrumbs-derive-0.1.2/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yew-route-breadcrumbs-derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "114bbdbe79058fa7f1e4ce00b67a6b07ba9dbfbf4c7ac4eafd027beb34c3ecb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114bbdbe79058fa7f1e4ce00b67a6b07ba9dbfbf4c7ac4eafd027beb34c3ecb1", kill_on_drop: false }`
[INFO] [stdout] 114bbdbe79058fa7f1e4ce00b67a6b07ba9dbfbf4c7ac4eafd027beb34c3ecb1