[INFO] fetching crate kefta_macro 0.0.1...
[INFO] testing kefta_macro-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kefta_macro 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate kefta_macro 0.0.1
[INFO] finished tweaking crates.io crate kefta_macro 0.0.1
[INFO] tweaked toml for crates.io crate kefta_macro 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kefta_macro 0.0.1 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 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3099fbb3aad5b4260e0b2c00d37926e9bf20bc7a92e493cf35bdc46df1e894f7
[INFO] running `Command { std: "docker" "start" "-a" "3099fbb3aad5b4260e0b2c00d37926e9bf20bc7a92e493cf35bdc46df1e894f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3099fbb3aad5b4260e0b2c00d37926e9bf20bc7a92e493cf35bdc46df1e894f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3099fbb3aad5b4260e0b2c00d37926e9bf20bc7a92e493cf35bdc46df1e894f7", kill_on_drop: false }`
[INFO] [stdout] 3099fbb3aad5b4260e0b2c00d37926e9bf20bc7a92e493cf35bdc46df1e894f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c81b9a9680c48848cec8be5daa9cab2dd0cfd06b8089768dee0b4848ee80d62c
[INFO] running `Command { std: "docker" "start" "-a" "c81b9a9680c48848cec8be5daa9cab2dd0cfd06b8089768dee0b4848ee80d62c", kill_on_drop: false }`
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling kefta_core v0.0.1
[INFO] [stderr]    Compiling kefta_macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `EnumAttr` is never constructed
[INFO] [stdout]   --> src/attr.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct EnumAttr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "c81b9a9680c48848cec8be5daa9cab2dd0cfd06b8089768dee0b4848ee80d62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81b9a9680c48848cec8be5daa9cab2dd0cfd06b8089768dee0b4848ee80d62c", kill_on_drop: false }`
[INFO] [stdout] c81b9a9680c48848cec8be5daa9cab2dd0cfd06b8089768dee0b4848ee80d62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0ffa3bd383465f2caffd64d7ba7ace68700556e433e33ddbea818e36fe59de
[INFO] running `Command { std: "docker" "start" "-a" "bc0ffa3bd383465f2caffd64d7ba7ace68700556e433e33ddbea818e36fe59de", kill_on_drop: false }`
[INFO] [stderr]    Compiling kefta_macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `EnumAttr` is never constructed
[INFO] [stdout]   --> src/attr.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct EnumAttr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnumAttr` is never constructed
[INFO] [stdout]   --> src/attr.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct EnumAttr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "bc0ffa3bd383465f2caffd64d7ba7ace68700556e433e33ddbea818e36fe59de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0ffa3bd383465f2caffd64d7ba7ace68700556e433e33ddbea818e36fe59de", kill_on_drop: false }`
[INFO] [stdout] bc0ffa3bd383465f2caffd64d7ba7ace68700556e433e33ddbea818e36fe59de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6e00f67b3456fa176124ff0406274629eed0d2510045bba525d7acf25b28137
[INFO] running `Command { std: "docker" "start" "-a" "c6e00f67b3456fa176124ff0406274629eed0d2510045bba525d7acf25b28137", kill_on_drop: false }`
[INFO] [stderr] warning: struct `EnumAttr` is never constructed
[INFO] [stderr]   --> src/attr.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct EnumAttr {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kefta_macro` (lib) generated 1 warning
[INFO] [stderr] warning: `kefta_macro` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kefta_macro-6a8715c11c79663a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kefta_macro
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6e00f67b3456fa176124ff0406274629eed0d2510045bba525d7acf25b28137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e00f67b3456fa176124ff0406274629eed0d2510045bba525d7acf25b28137", kill_on_drop: false }`
[INFO] [stdout] c6e00f67b3456fa176124ff0406274629eed0d2510045bba525d7acf25b28137