[INFO] fetching crate tailwind-parse-macro 0.17.0...
[INFO] testing tailwind-parse-macro-0.17.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tailwind-parse-macro 0.17.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tailwind-parse-macro 0.17.0
[INFO] finished tweaking crates.io crate tailwind-parse-macro 0.17.0
[INFO] tweaked toml for crates.io crate tailwind-parse-macro 0.17.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tailwind-parse-macro 0.17.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[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] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `tailwind_parse_macro` library target)
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c6f6ef3bf35203318177bd7827d34c26d7d70982d7cb1ce997e0c854867328e
[INFO] running `Command { std: "docker" "start" "-a" "5c6f6ef3bf35203318177bd7827d34c26d7d70982d7cb1ce997e0c854867328e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c6f6ef3bf35203318177bd7827d34c26d7d70982d7cb1ce997e0c854867328e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6f6ef3bf35203318177bd7827d34c26d7d70982d7cb1ce997e0c854867328e", kill_on_drop: false }`
[INFO] [stdout] 5c6f6ef3bf35203318177bd7827d34c26d7d70982d7cb1ce997e0c854867328e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e08ab0df27c26c270c6ad7b2bfcb63678d060bcb9c82a83192af6a5768496140
[INFO] running `Command { std: "docker" "start" "-a" "e08ab0df27c26c270c6ad7b2bfcb63678d060bcb9c82a83192af6a5768496140", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `tailwind_parse_macro` library target)
[INFO] [stderr]    Compiling tailwind-parse-macro v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut Vec<syn::Item>` in the current scope
[INFO] [stdout]   --> src/lib.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |       let mut root = content
[INFO] [stdout]    |  ____________________-
[INFO] [stdout] 17 | |         .drain_filter(|i| {
[INFO] [stdout]    | |         -^^^^^^^^^^^^ method not found in `&mut Vec<syn::Item>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Attribute>` in the current scope
[INFO] [stdout]   --> src/lib.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | /                 i.attrs
[INFO] [stdout] 20 | |                     .drain_filter(|a| a.path.segments.last().unwrap().ident.to_string().eq("root"))
[INFO] [stdout]    | |                     -^^^^^^^^^^^^ method not found in `Vec<Attribute>`
[INFO] [stdout]    | |_____________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tailwind-parse-macro` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "e08ab0df27c26c270c6ad7b2bfcb63678d060bcb9c82a83192af6a5768496140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08ab0df27c26c270c6ad7b2bfcb63678d060bcb9c82a83192af6a5768496140", kill_on_drop: false }`
[INFO] [stdout] e08ab0df27c26c270c6ad7b2bfcb63678d060bcb9c82a83192af6a5768496140
