[INFO] fetching crate uniffi_bindgen 0.31.1...
[INFO] testing uniffi_bindgen-0.31.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate uniffi_bindgen 0.31.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate uniffi_bindgen 0.31.1
[INFO] finished tweaking crates.io crate uniffi_bindgen 0.31.1
[INFO] tweaked toml for crates.io crate uniffi_bindgen 0.31.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uniffi_bindgen 0.31.1 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 uniffi_bindgen 0.31.1 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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5ea14d6133384cf7774b7e9ac3aaf97c6b0da171bcfdeec5c913468f2f4a1e
[INFO] running `Command { std: "docker" "start" "-a" "ab5ea14d6133384cf7774b7e9ac3aaf97c6b0da171bcfdeec5c913468f2f4a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5ea14d6133384cf7774b7e9ac3aaf97c6b0da171bcfdeec5c913468f2f4a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5ea14d6133384cf7774b7e9ac3aaf97c6b0da171bcfdeec5c913468f2f4a1e", kill_on_drop: false }`
[INFO] [stdout] ab5ea14d6133384cf7774b7e9ac3aaf97c6b0da171bcfdeec5c913468f2f4a1e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c140646afe7ae7c60cccca17e9c291578a3e24ada72229f92ccf16875aa0dc69
[INFO] running `Command { std: "docker" "start" "-a" "c140646afe7ae7c60cccca17e9c291578a3e24ada72229f92ccf16875aa0dc69", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling rustc-hash v2.0.0
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling fs-err v2.9.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling weedle2 v5.0.0
[INFO] [stderr]    Compiling basic-toml v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling uniffi_internal_macros v0.31.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling scroll_derive v0.12.0
[INFO] [stderr]    Compiling scroll v0.12.0
[INFO] [stderr]    Compiling goblin v0.8.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling askama_parser v0.14.0
[INFO] [stderr]    Compiling askama_derive v0.14.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling cargo-platform v0.1.3
[INFO] [stderr]    Compiling askama v0.14.0
[INFO] [stderr]    Compiling uniffi_pipeline v0.31.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling uniffi_meta v0.31.1
[INFO] [stderr]    Compiling cargo_metadata v0.19.2
[INFO] [stderr]    Compiling uniffi_udl v0.31.1
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling uniffi_bindgen v0.31.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `uniffi_bindgen` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name uniffi_bindgen --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="cargo-metadata"' --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bindgen-tests", "cargo-metadata", "default", "ffi-trace"))' -C metadata=bd76c11dc8309d5f -C extra-filename=-3304b02ff8681625 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-907ed50cfccf368d.rmeta --extern askama=/opt/rustwide/target/debug/deps/libaskama-d5257baeca378b07.rmeta --extern camino=/opt/rustwide/target/debug/deps/libcamino-3697b5f4990ae904.rmeta --extern cargo_metadata=/opt/rustwide/target/debug/deps/libcargo_metadata-ad9e80609a1c0d61.rmeta --extern fs_err=/opt/rustwide/target/debug/deps/libfs_err-80b6531b48803863.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-51028c3412d8ff9d.rmeta --extern goblin=/opt/rustwide/target/debug/deps/libgoblin-474c3e18e5b7179d.rmeta --extern heck=/opt/rustwide/target/debug/deps/libheck-f5c865fb8f11a0c1.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-6b88514736f5dfd5.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-9ec3b2d30075ab56.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-86930ab476970916.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-5e513a26ef3b0042.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-731dfd0c4786b667.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-5e1fbe52eff63fda.rmeta --extern uniffi_internal_macros=/opt/rustwide/target/debug/deps/libuniffi_internal_macros-817babc112c3b622.so --extern uniffi_meta=/opt/rustwide/target/debug/deps/libuniffi_meta-aacd0ecc2fb634b2.rmeta --extern uniffi_pipeline=/opt/rustwide/target/debug/deps/libuniffi_pipeline-621389a2e93fd309.rmeta --extern uniffi_udl=/opt/rustwide/target/debug/deps/libuniffi_udl-ac46b45b801b724c.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c140646afe7ae7c60cccca17e9c291578a3e24ada72229f92ccf16875aa0dc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c140646afe7ae7c60cccca17e9c291578a3e24ada72229f92ccf16875aa0dc69", kill_on_drop: false }`
[INFO] [stdout] c140646afe7ae7c60cccca17e9c291578a3e24ada72229f92ccf16875aa0dc69