[INFO] fetching crate vertigo 0.8.3...
[INFO] testing vertigo-0.8.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vertigo 0.8.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate vertigo 0.8.3
[INFO] finished tweaking crates.io crate vertigo 0.8.3
[INFO] tweaked toml for crates.io crate vertigo 0.8.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vertigo 0.8.3 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 vertigo 0.8.3 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af8b048a81d25b9335d1f53df3f46ffc4b7546bc8a6220bcd6cae5b0a8859bc2
[INFO] running `Command { std: "docker" "start" "-a" "af8b048a81d25b9335d1f53df3f46ffc4b7546bc8a6220bcd6cae5b0a8859bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8b048a81d25b9335d1f53df3f46ffc4b7546bc8a6220bcd6cae5b0a8859bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8b048a81d25b9335d1f53df3f46ffc4b7546bc8a6220bcd6cae5b0a8859bc2", kill_on_drop: false }`
[INFO] [stdout] af8b048a81d25b9335d1f53df3f46ffc4b7546bc8a6220bcd6cae5b0a8859bc2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd41e91b014cc3d48c0491c84a2abae478e6f0ce122b5951e84e5c6e1efab79b
[INFO] running `Command { std: "docker" "start" "-a" "bd41e91b014cc3d48c0491c84a2abae478e6f0ce122b5951e84e5c6e1efab79b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling css-color v0.2.8
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling vertigo-macro v0.8.3
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling vertigo v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pkg-version-impl v0.1.1
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling pkg-version v1.0.0
[INFO] [stderr]    Compiling quote v1.0.40
[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 darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling pest_meta v2.8.1
[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-0.8.3/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" "bd41e91b014cc3d48c0491c84a2abae478e6f0ce122b5951e84e5c6e1efab79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd41e91b014cc3d48c0491c84a2abae478e6f0ce122b5951e84e5c6e1efab79b", kill_on_drop: false }`
[INFO] [stdout] bd41e91b014cc3d48c0491c84a2abae478e6f0ce122b5951e84e5c6e1efab79b
