[INFO] fetching crate vpi_export 0.1.9...
[INFO] testing vpi_export-0.1.9 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate vpi_export 0.1.9 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vpi_export 0.1.9
[INFO] finished tweaking crates.io crate vpi_export 0.1.9
[INFO] tweaked toml for crates.io crate vpi_export 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vpi_export 0.1.9 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 76 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.70.1 (available: v0.72.1)
[INFO] [stderr]       Adding ctor v0.2.9 (available: v0.5.0)
[INFO] [stderr]       Adding git2 v0.19.0 (available: v0.20.2)
[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] c773e4850dcae4fc6eea1cfb1fbd1e2f225e85fd2044e0f81321e41c328f40aa
[INFO] running `Command { std: "docker" "start" "-a" "c773e4850dcae4fc6eea1cfb1fbd1e2f225e85fd2044e0f81321e41c328f40aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c773e4850dcae4fc6eea1cfb1fbd1e2f225e85fd2044e0f81321e41c328f40aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c773e4850dcae4fc6eea1cfb1fbd1e2f225e85fd2044e0f81321e41c328f40aa", kill_on_drop: false }`
[INFO] [stdout] c773e4850dcae4fc6eea1cfb1fbd1e2f225e85fd2044e0f81321e41c328f40aa
[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] fbfa67596f7fc7e0db7b89e07cdbe364ec079955c4362fa1d6607abdd2ddc2a0
[INFO] running `Command { std: "docker" "start" "-a" "fbfa67596f7fc7e0db7b89e07cdbe364ec079955c4362fa1d6607abdd2ddc2a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling vpi_export_macro v0.1.9
[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/vpi_export_macro-0.1.9/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_quote)]
[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 `vpi_export_macro` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fbfa67596f7fc7e0db7b89e07cdbe364ec079955c4362fa1d6607abdd2ddc2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfa67596f7fc7e0db7b89e07cdbe364ec079955c4362fa1d6607abdd2ddc2a0", kill_on_drop: false }`
[INFO] [stdout] fbfa67596f7fc7e0db7b89e07cdbe364ec079955c4362fa1d6607abdd2ddc2a0