[INFO] fetching crate bevy_brp_mcp 0.19.0...
[INFO] documenting bevy_brp_mcp-0.19.0 against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] extracting crate bevy_brp_mcp 0.19.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate bevy_brp_mcp 0.19.0
[INFO] finished tweaking crates.io crate bevy_brp_mcp 0.19.0
[INFO] tweaked toml for crates.io crate bevy_brp_mcp 0.19.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bevy_brp_mcp 0.19.0 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 bevy_brp_mcp 0.19.0 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] 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] 15f3646a9baf52cf597e87d71918ad46691870976287d227120ba608f8982f9f
[INFO] running `Command { std: "docker" "start" "-a" "15f3646a9baf52cf597e87d71918ad46691870976287d227120ba608f8982f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15f3646a9baf52cf597e87d71918ad46691870976287d227120ba608f8982f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f3646a9baf52cf597e87d71918ad46691870976287d227120ba608f8982f9f", kill_on_drop: false }`
[INFO] [stdout] 15f3646a9baf52cf597e87d71918ad46691870976287d227120ba608f8982f9f
[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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4686a6d477a12a55612deccc2819b733b847661a00aacd2c859016f22d1d0e5b
[INFO] running `Command { std: "docker" "start" "-a" "4686a6d477a12a55612deccc2819b733b847661a00aacd2c859016f22d1d0e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]     Checking disqualified v1.0.0
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking downcast-rs v2.0.2
[INFO] [stderr]     Checking bevy_ptr v0.18.0
[INFO] [stderr]     Checking inventory v0.3.22
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking bumpalo v3.20.2
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking nonmax v0.5.5
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling aws-lc-rs v1.16.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking typewit v1.14.2
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking const_panic v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking constant_time_eq v0.4.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking const-fnv1a-hash v1.1.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking stackfuture v0.3.1
[INFO] [stderr]     Checking async-broadcast v0.7.2
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]     Checking async-fs v2.2.0
[INFO] [stderr]     Checking atomicow v1.1.0
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling error-stack v0.6.0
[INFO] [stderr]    Compiling rmcp v1.2.0
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking cargo-platform v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking nix v0.30.1
[INFO] [stderr]     Checking netlink-sys v0.8.8
[INFO] [stderr]     Checking uuid v1.22.0
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]     Checking sysinfo v0.38.4
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling aws-lc-sys v0.37.1
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking ctrlc v3.5.1
[INFO] [stderr]    Compiling bevy_macro_utils v0.18.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling assert_type_match v0.1.1
[INFO] [stderr]    Compiling bevy_reflect_derive v0.18.0
[INFO] [stderr]    Compiling variadics_please v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]     Checking async-io v2.6.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling bevy_ecs_macros v0.18.0
[INFO] [stderr]    Compiling bevy_derive v0.18.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling bevy_asset_macros v0.18.0
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking glam v0.30.10
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr] error: could not compile `serde_derive` (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 serde_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=c65e5b2c0d561074 -C extra-filename=-e566dc65f9b76f1b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-db35dfc171bce774.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `derive_more-impl` (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 derive_more_impl --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/derive_more-impl-2.1.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --warn=unexpected_cfgs --check-cfg 'cfg(ci)' --check-cfg 'cfg(error_generic_member_access)' --check-cfg 'cfg(nightly)' --cfg 'feature="as_ref"' --cfg 'feature="default"' --cfg 'feature="deref"' --cfg 'feature="deref_mut"' --cfg 'feature="display"' --cfg 'feature="from"' --cfg 'feature="into"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("add", "add_assign", "as_ref", "constructor", "debug", "default", "deref", "deref_mut", "display", "eq", "error", "from", "from_str", "full", "index", "index_mut", "into", "into_iterator", "is_variant", "mul", "mul_assign", "not", "sum", "testing-helpers", "try_from", "try_into", "try_unwrap", "unwrap"))' -C metadata=ce904dd2122e2db3 -C extra-filename=-ffc8c227fc17da77 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern convert_case=/opt/rustwide/target/debug/deps/libconvert_case-3d4dd2ae95b6d8e1.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-db35dfc171bce774.rlib --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0b10b93de6b32b1d.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4686a6d477a12a55612deccc2819b733b847661a00aacd2c859016f22d1d0e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4686a6d477a12a55612deccc2819b733b847661a00aacd2c859016f22d1d0e5b", kill_on_drop: false }`
[INFO] [stdout] 4686a6d477a12a55612deccc2819b733b847661a00aacd2c859016f22d1d0e5b