[INFO] fetching crate saver 0.21.0...
[INFO] testing saver-0.21.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate saver 0.21.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate saver 0.21.0
[INFO] finished tweaking crates.io crate saver 0.21.0
[INFO] tweaked toml for crates.io crate saver 0.21.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate saver 0.21.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate saver 0.21.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 222d82b3e0049359a69733a2652ac9692285e3c016ac25131c189a080412dc7d
[INFO] running `Command { std: "docker" "start" "-a" "222d82b3e0049359a69733a2652ac9692285e3c016ac25131c189a080412dc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "222d82b3e0049359a69733a2652ac9692285e3c016ac25131c189a080412dc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222d82b3e0049359a69733a2652ac9692285e3c016ac25131c189a080412dc7d", kill_on_drop: false }`
[INFO] [stdout] 222d82b3e0049359a69733a2652ac9692285e3c016ac25131c189a080412dc7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c43b02b99f95fd82c2bf19673d7f692c0bab1f5dc62148a0251844e182749c
[INFO] running `Command { std: "docker" "start" "-a" "f5c43b02b99f95fd82c2bf19673d7f692c0bab1f5dc62148a0251844e182749c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling simdutf8 v0.1.4
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling indexmap v2.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling cranelift-isle v0.110.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling bytecheck v0.6.11
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.110.3
[INFO] [stderr]    Compiling prettyplease v0.2.36
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.110.3
[INFO] [stderr]    Compiling corosensei v0.2.2
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling cranelift-bitset v0.110.3
[INFO] [stderr]    Compiling cranelift-entity v0.110.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling wasmparser v0.224.1
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling xxhash-rust v0.8.12
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling ark-std v0.4.0
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling regalloc2 v0.9.3
[INFO] [stderr]    Compiling cranelift-control v0.110.3
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling xattr v1.5.1
[INFO] [stderr]    Compiling cranelift-codegen v0.110.2
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling ark-serialize v0.4.2
[INFO] [stderr]    Compiling ptr_meta_derive v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling bytecheck_derive v0.8.1
[INFO] [stderr]    Compiling munge_macro v0.4.6
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.8.11
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]    Compiling ptr_meta v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling bytecheck_derive v0.6.11
[INFO] [stderr]    Compiling rancor v0.1.0
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling munge v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling enumset v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling bytecheck v0.8.1
[INFO] [stderr]    Compiling ark-ff v0.4.2
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling rend v0.5.2
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling dashmap v6.0.1
[INFO] [stderr]    Compiling rustls-webpki v0.103.4
[INFO] [stderr]    Compiling cranelift-bforest v0.110.2
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling memmap2 v0.6.2
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling libunwind v1.3.3
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling shared-buffer v0.1.4
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling wasm-encoder v0.221.3
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v6.0.1
[INFO] [stderr]    Compiling self_cell v1.0.4
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling ruzstd v0.5.0
[INFO] [stderr]    Compiling wast v221.0.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling wasmer-derive v6.0.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr] error: could not compile `ark-ff` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name ark_ff --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-ff-0.4.2/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="parallel"' --cfg 'feature="rayon"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("asm", "default", "parallel", "rayon", "std"))' -C metadata=5b247e4da6b7e147 -C extra-filename=-21a5dceacf1796bc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ark_ff_asm=/opt/rustwide/target/debug/deps/libark_ff_asm-eafc582990e17b8d.so --extern ark_ff_macros=/opt/rustwide/target/debug/deps/libark_ff_macros-dec9c1b853fa6dbb.so --extern ark_serialize=/opt/rustwide/target/debug/deps/libark_serialize-daf322dd70ee0754.rmeta --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-50f1c2451977a8e8.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-4ac9ac8aeddf931d.so --extern digest=/opt/rustwide/target/debug/deps/libdigest-c1d5d842a3294053.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c0e99e3a92b2dad6.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-84c13759f824de83.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-b596760f5297ca31.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-8ce5605c29654631.so --extern rayon=/opt/rustwide/target/debug/deps/librayon-67ae6983451a6d5c.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-6a28a90145fe8536.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" "f5c43b02b99f95fd82c2bf19673d7f692c0bab1f5dc62148a0251844e182749c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c43b02b99f95fd82c2bf19673d7f692c0bab1f5dc62148a0251844e182749c", kill_on_drop: false }`
[INFO] [stdout] f5c43b02b99f95fd82c2bf19673d7f692c0bab1f5dc62148a0251844e182749c