[INFO] fetching crate vertigo-forms 0.1.0...
[INFO] testing vertigo-forms-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate vertigo-forms 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate vertigo-forms 0.1.0
[INFO] finished tweaking crates.io crate vertigo-forms 0.1.0
[INFO] tweaked toml for crates.io crate vertigo-forms 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vertigo-forms 0.1.0 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 vertigo-forms 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52e0a78b837ad7ae432b4355c45582d231d10f50fbfe7b7b8b72b8f0e762acf8
[INFO] running `Command { std: "docker" "start" "-a" "52e0a78b837ad7ae432b4355c45582d231d10f50fbfe7b7b8b72b8f0e762acf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e0a78b837ad7ae432b4355c45582d231d10f50fbfe7b7b8b72b8f0e762acf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e0a78b837ad7ae432b4355c45582d231d10f50fbfe7b7b8b72b8f0e762acf8", kill_on_drop: false }`
[INFO] [stdout] 52e0a78b837ad7ae432b4355c45582d231d10f50fbfe7b7b8b72b8f0e762acf8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4fdc1ec6ff5102fa0247995513c8fe444bfc41775edf801db77bb081e5e75a
[INFO] running `Command { std: "docker" "start" "-a" "2f4fdc1ec6ff5102fa0247995513c8fe444bfc41775edf801db77bb081e5e75a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling css-color v0.2.8
[INFO] [stderr]    Compiling vertigo-macro v0.8.2
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling vertigo v0.8.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling pkg-version-impl v0.1.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling pkg-version v1.0.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling tailwind-ast v0.4.1
[INFO] [stderr]    Compiling tailwind-error v1.3.3
[INFO] [stderr]    Compiling tailwind-css v0.13.0
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling syn_derive v0.2.0
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling rstml v0.12.1
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling pest_derive v2.8.1
[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/vertigo-macro-0.8.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[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 `vertigo-macro` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2f4fdc1ec6ff5102fa0247995513c8fe444bfc41775edf801db77bb081e5e75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4fdc1ec6ff5102fa0247995513c8fe444bfc41775edf801db77bb081e5e75a", kill_on_drop: false }`
[INFO] [stdout] 2f4fdc1ec6ff5102fa0247995513c8fe444bfc41775edf801db77bb081e5e75a