[INFO] fetching crate risc0-bigint2 1.4.3...
[INFO] checking risc0-bigint2-1.4.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate risc0-bigint2 1.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate risc0-bigint2 1.4.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate risc0-bigint2 1.4.3
[INFO] tweaked toml for crates.io crate risc0-bigint2 1.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate risc0-bigint2 1.4.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate risc0-bigint2 1.4.3 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typetag-impl v0.2.18
[INFO] [stderr]   Downloaded risc0-zkvm-platform v2.0.2
[INFO] [stderr]   Downloaded risc0-build-kernel v2.0.0
[INFO] [stderr]   Downloaded rzup v0.4.1
[INFO] [stderr]   Downloaded find_cuda_helper v0.2.0
[INFO] [stderr]   Downloaded risc0-zkos-v1compat v2.0.1
[INFO] [stderr]   Downloaded docker-generate v0.1.3
[INFO] [stderr]   Downloaded risc0-build v2.1.2
[INFO] [stderr]   Downloaded malachite v0.4.18
[INFO] [stderr]   Downloaded cargo_metadata v0.19.1
[INFO] [stderr]   Downloaded ruzstd v0.6.0
[INFO] [stderr]   Downloaded nvtx v1.3.0
[INFO] [stderr]   Downloaded cust v0.3.2
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.5.0
[INFO] [stderr]   Downloaded zip v2.2.1
[INFO] [stderr]   Downloaded risc0-circuit-recursion v2.0.2
[INFO] [stderr]   Downloaded risc0-zkp v2.0.1
[INFO] [stderr]   Downloaded sppark v0.1.10
[INFO] [stderr]   Downloaded downloader v0.2.8
[INFO] [stderr]   Downloaded malachite-q v0.4.18
[INFO] [stderr]   Downloaded risc0-groth16 v2.0.1
[INFO] [stderr]   Downloaded cust_raw v0.11.3
[INFO] [stderr]   Downloaded risc0-sys v1.4.0
[INFO] [stderr]   Downloaded ark-crypto-primitives-macros v0.5.0
[INFO] [stderr]   Downloaded ark-groth16 v0.5.0
[INFO] [stderr]   Downloaded no_std_strings v0.1.3
[INFO] [stderr]   Downloaded risc0-core v2.0.0
[INFO] [stderr]   Downloaded cust_derive v0.2.0
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.3.0
[INFO] [stderr]   Downloaded lazy-regex v3.3.0
[INFO] [stderr]   Downloaded auto_ops v0.3.0
[INFO] [stderr]   Downloaded ringbuffer v0.15.0
[INFO] [stderr]   Downloaded ark-snark v0.5.1
[INFO] [stderr]   Downloaded risc0-binfmt v2.0.1
[INFO] [stderr]   Downloaded include_bytes_aligned v0.1.4
[INFO] [stderr]   Downloaded cust_core v0.1.1
[INFO] [stderr]   Downloaded typetag v0.2.18
[INFO] [stderr]   Downloaded malachite-float v0.4.18
[INFO] [stderr]   Downloaded risc0-circuit-recursion-sys v2.0.0
[INFO] [stderr]   Downloaded malachite-base v0.4.18
[INFO] [stderr]   Downloaded risc0-circuit-rv32im-sys v2.0.2
[INFO] [stderr]   Downloaded risc0-circuit-keccak-sys v2.0.0
[INFO] [stderr]   Downloaded malachite-nz v0.4.18
[INFO] [stderr]   Downloaded risc0-zkvm v2.1.0
[INFO] [stderr]   Downloaded risc0-circuit-rv32im v2.0.4
[INFO] [stderr]   Downloaded risc0-circuit-keccak v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f3b099fc16f31f04e5ae8eb16ea0528779957b89d5f40938677dc3fb911aede
[INFO] running `Command { std: "docker" "start" "-a" "7f3b099fc16f31f04e5ae8eb16ea0528779957b89d5f40938677dc3fb911aede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3b099fc16f31f04e5ae8eb16ea0528779957b89d5f40938677dc3fb911aede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3b099fc16f31f04e5ae8eb16ea0528779957b89d5f40938677dc3fb911aede", kill_on_drop: false }`
[INFO] [stdout] 7f3b099fc16f31f04e5ae8eb16ea0528779957b89d5f40938677dc3fb911aede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d6261eb724e121d9380d0f97524027bbb16098b25e68aa249545d707b3239ce
[INFO] running `Command { std: "docker" "start" "-a" "8d6261eb724e121d9380d0f97524027bbb16098b25e68aa249545d707b3239ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]     Checking lz4_flex v0.11.3
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling rustls v0.23.19
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling borsh v1.5.5
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling nvtx v1.3.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling thiserror v2.0.6
[INFO] [stderr]    Compiling risc0-build-kernel v2.0.0
[INFO] [stderr]    Compiling risc0-zkp v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling webpki-roots v0.26.7
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling risc0-sys v1.4.0
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling malachite-nz v0.4.18
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling risc0-circuit-recursion-sys v2.0.0
[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/cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.90/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=d6ac98c7000fcfb8 -C extra-filename=-c6bb772a735f4735 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b19d02e79eb7f315.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.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" "8d6261eb724e121d9380d0f97524027bbb16098b25e68aa249545d707b3239ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6261eb724e121d9380d0f97524027bbb16098b25e68aa249545d707b3239ce", kill_on_drop: false }`
[INFO] [stdout] 8d6261eb724e121d9380d0f97524027bbb16098b25e68aa249545d707b3239ce