[INFO] fetching crate darth-ui 0.1.2...
[INFO] testing darth-ui-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate darth-ui 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate darth-ui 0.1.2
[INFO] finished tweaking crates.io crate darth-ui 0.1.2
[INFO] tweaked toml for crates.io crate darth-ui 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate darth-ui 0.1.2 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 darth-ui 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cff1d282d60551ba00b067ecd70d8fb467fc927879a8eca24da122f81be631ab
[INFO] running `Command { std: "docker" "start" "-a" "cff1d282d60551ba00b067ecd70d8fb467fc927879a8eca24da122f81be631ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff1d282d60551ba00b067ecd70d8fb467fc927879a8eca24da122f81be631ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff1d282d60551ba00b067ecd70d8fb467fc927879a8eca24da122f81be631ab", kill_on_drop: false }`
[INFO] [stdout] cff1d282d60551ba00b067ecd70d8fb467fc927879a8eca24da122f81be631ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bf03817ec4bf35f4833aee5b606ee0a4eb1339cf586302f389982ecf6a8270ec
[INFO] running `Command { std: "docker" "start" "-a" "bf03817ec4bf35f4833aee5b606ee0a4eb1339cf586302f389982ecf6a8270ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling winnow v0.6.6
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling manyhow-macros v0.10.4
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling self_cell v1.0.3
[INFO] [stderr]    Compiling const_format v0.2.32
[INFO] [stderr]    Compiling base64 v0.22.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling inventory v0.3.15
[INFO] [stderr]    Compiling pad-adapter v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling server_fn_macro v0.6.11
[INFO] [stderr]    Compiling manyhow v0.10.4
[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/server_fn_macro-0.6.11/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly", 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 `server_fn_macro` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bf03817ec4bf35f4833aee5b606ee0a4eb1339cf586302f389982ecf6a8270ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf03817ec4bf35f4833aee5b606ee0a4eb1339cf586302f389982ecf6a8270ec", kill_on_drop: false }`
[INFO] [stdout] bf03817ec4bf35f4833aee5b606ee0a4eb1339cf586302f389982ecf6a8270ec