[INFO] fetching crate sc-rpc-spec-v2 0.53.0...
[INFO] testing sc-rpc-spec-v2-0.53.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate sc-rpc-spec-v2 0.53.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sc-rpc-spec-v2 0.53.0
[INFO] finished tweaking crates.io crate sc-rpc-spec-v2 0.53.0
[INFO] tweaked toml for crates.io crate sc-rpc-spec-v2 0.53.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sc-rpc-spec-v2 0.53.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sc-rpc-spec-v2 0.53.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dbbd596a17b64a87fa5683a6453ea4366d1418bbf2c5d9aa96dabdbd25d453e
[INFO] running `Command { std: "docker" "start" "-a" "9dbbd596a17b64a87fa5683a6453ea4366d1418bbf2c5d9aa96dabdbd25d453e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dbbd596a17b64a87fa5683a6453ea4366d1418bbf2c5d9aa96dabdbd25d453e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbbd596a17b64a87fa5683a6453ea4366d1418bbf2c5d9aa96dabdbd25d453e", kill_on_drop: false }`
[INFO] [stdout] 9dbbd596a17b64a87fa5683a6453ea4366d1418bbf2c5d9aa96dabdbd25d453e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae29a4d103d26d45bbe7cfffaaeed002fcc8ffed322a0b0855cbc22074c6435e
[INFO] running `Command { std: "docker" "start" "-a" "ae29a4d103d26d45bbe7cfffaaeed002fcc8ffed322a0b0855cbc22074c6435e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling bitflags v2.9.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling cranelift-srcgen v0.122.0
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling cranelift-bitset v0.122.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling cranelift-isle v0.122.0
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.122.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.122.0
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling uint v0.10.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling wasmtime-internal-math v35.0.0
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling wasmparser v0.235.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling wasm-encoder v0.235.0
[INFO] [stderr]    Compiling cranelift-control v0.122.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling impl-num-traits v0.2.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling leb128fmt v0.1.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling errno v0.3.10
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling wasmtime-internal-cache v35.0.0
[INFO] [stderr]    Compiling wasmtime-internal-unwinder v35.0.0
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling getrandom_or_panic v0.0.3
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling wasmtime-internal-jit-icache-coherence v35.0.0
[INFO] [stderr]    Compiling wasmtime-internal-asm-macros v35.0.0
[INFO] [stderr]    Compiling wasmtime-internal-slab v35.0.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.122.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=7d277a3566d108cd -C extra-filename=-2c2cd3377d305374 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5d7c4c4a8d695f4c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a666a3bd9604c921.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-88a20ab10d75ac1b.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ae29a4d103d26d45bbe7cfffaaeed002fcc8ffed322a0b0855cbc22074c6435e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae29a4d103d26d45bbe7cfffaaeed002fcc8ffed322a0b0855cbc22074c6435e", kill_on_drop: false }`
[INFO] [stdout] ae29a4d103d26d45bbe7cfffaaeed002fcc8ffed322a0b0855cbc22074c6435e
