[INFO] fetching crate sp1-recursion-gnark-ffi 6.0.2...
[INFO] checking sp1-recursion-gnark-ffi-6.0.2 against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] extracting crate sp1-recursion-gnark-ffi 6.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sp1-recursion-gnark-ffi 6.0.2
[INFO] finished tweaking crates.io crate sp1-recursion-gnark-ffi 6.0.2
[INFO] tweaked toml for crates.io crate sp1-recursion-gnark-ffi 6.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sp1-recursion-gnark-ffi 6.0.2 on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sp1-recursion-gnark-ffi 6.0.2 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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d893d7e961c5063d919557c4f2a85eb287f71e0fe505d6671e930bb18150077
[INFO] running `Command { std: "docker" "start" "-a" "0d893d7e961c5063d919557c4f2a85eb287f71e0fe505d6671e930bb18150077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d893d7e961c5063d919557c4f2a85eb287f71e0fe505d6671e930bb18150077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d893d7e961c5063d919557c4f2a85eb287f71e0fe505d6671e930bb18150077", kill_on_drop: false }`
[INFO] [stdout] 0d893d7e961c5063d919557c4f2a85eb287f71e0fe505d6671e930bb18150077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d509c70540b6530892a47e49783d25b605b6bfcf8c542d04735f49db5d2feda9
[INFO] running `Command { std: "docker" "start" "-a" "d509c70540b6530892a47e49783d25b605b6bfcf8c542d04735f49db5d2feda9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling zerocopy v0.8.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking memuse v0.2.2
[INFO] [stderr]     Checking blake2b_simd v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking p3-maybe-rayon v0.3.2-succinct
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking elf v0.7.4
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling dashu-base v0.4.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]     Checking num-order v1.2.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling dashu-int v0.4.1
[INFO] [stderr]     Checking rayon-scan v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]     Checking slop-maybe-rayon v6.0.2
[INFO] [stderr]    Compiling range-set-blaze v0.1.16
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking gen_ops v0.4.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking const_format v0.2.35
[INFO] [stderr]     Checking clap_builder v4.5.55
[INFO] [stderr]     Checking uuid v1.20.0
[INFO] [stderr]     Checking memfd v0.6.5
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking indenter v0.3.4
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking pairing v0.22.0
[INFO] [stderr]     Checking bls12_381 v0.7.1
[INFO] [stderr]     Checking dashu-float v0.4.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]    Compiling dashu-ratio v0.4.1
[INFO] [stderr]     Checking sysinfo v0.30.13
[INFO] [stderr]     Checking jubjub v0.9.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[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/2c4819a380dbddb1f2a0f4405a49fb6ed90983ae/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=7ea9b395430cf9e5 -C extra-filename=-8768930e981cc4a6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fec5599a7f184630.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-de2c59b803aecfd0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d509c70540b6530892a47e49783d25b605b6bfcf8c542d04735f49db5d2feda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d509c70540b6530892a47e49783d25b605b6bfcf8c542d04735f49db5d2feda9", kill_on_drop: false }`
[INFO] [stdout] d509c70540b6530892a47e49783d25b605b6bfcf8c542d04735f49db5d2feda9