[INFO] fetching crate rustidy 0.1.0...
[INFO] testing rustidy-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rustidy 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rustidy 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustidy 0.1.0
[INFO] tweaked toml for crates.io crate rustidy 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustidy 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustidy 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5f13578b72cff34b1f4141e942cec537f6ab6c5de56ec24c1116aef79a215f
[INFO] running `Command { std: "docker" "start" "-a" "1a5f13578b72cff34b1f4141e942cec537f6ab6c5de56ec24c1116aef79a215f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5f13578b72cff34b1f4141e942cec537f6ab6c5de56ec24c1116aef79a215f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5f13578b72cff34b1f4141e942cec537f6ab6c5de56ec24c1116aef79a215f", kill_on_drop: false }`
[INFO] [stdout] 1a5f13578b72cff34b1f4141e942cec537f6ab6c5de56ec24c1116aef79a215f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949921c84c2b6f755ef861e9039255c89d34bbae79a9d6e1ec85ed1b181c77ac
[INFO] running `Command { std: "docker" "start" "-a" "949921c84c2b6f755ef861e9039255c89d34bbae79a9d6e1ec85ed1b181c77ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling arcstr v1.2.0
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling convert_case v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling app-error v0.1.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[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/app-error-0.1.0/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / #![feature(
[INFO] [stdout] 19 | |     decl_macro,
[INFO] [stdout] 20 | |     try_trait_v2,
[INFO] [stdout] 21 | |     extend_one,
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     unwrap_infallible
[INFO] [stdout] 26 | | )]
[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 `app-error` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "949921c84c2b6f755ef861e9039255c89d34bbae79a9d6e1ec85ed1b181c77ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949921c84c2b6f755ef861e9039255c89d34bbae79a9d6e1ec85ed1b181c77ac", kill_on_drop: false }`
[INFO] [stdout] 949921c84c2b6f755ef861e9039255c89d34bbae79a9d6e1ec85ed1b181c77ac
