[INFO] fetching crate sp-ark-bls12-381 0.4.1...
[INFO] testing sp-ark-bls12-381-0.4.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate sp-ark-bls12-381 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sp-ark-bls12-381 0.4.1
[INFO] finished tweaking crates.io crate sp-ark-bls12-381 0.4.1
[INFO] tweaked toml for crates.io crate sp-ark-bls12-381 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sp-ark-bls12-381 0.4.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 244 packages to latest compatible versions
[INFO] [stderr]       Adding ark-algebra-test-templates v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-bls12-381-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ec v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ff v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-scale v0.0.11 (available: v0.0.13)
[INFO] [stderr]       Adding ark-std v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding sp-crypto-ec-utils v0.4.0 (available: v0.18.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca118144572ffb44ea5e2d39107c2f4d6762f97c83b93ebdd3ffd1b4bbbd026
[INFO] running `Command { std: "docker" "start" "-a" "7ca118144572ffb44ea5e2d39107c2f4d6762f97c83b93ebdd3ffd1b4bbbd026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca118144572ffb44ea5e2d39107c2f4d6762f97c83b93ebdd3ffd1b4bbbd026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca118144572ffb44ea5e2d39107c2f4d6762f97c83b93ebdd3ffd1b4bbbd026", kill_on_drop: false }`
[INFO] [stdout] 7ca118144572ffb44ea5e2d39107c2f4d6762f97c83b93ebdd3ffd1b4bbbd026
[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=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] e0b9bea1d10d846bd346cf744f284079aa3deed7915db483ab5375b63efaf423
[INFO] running `Command { std: "docker" "start" "-a" "e0b9bea1d10d846bd346cf744f284079aa3deed7915db483ab5375b63efaf423", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling wasmtime-runtime v8.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling wasmtime-jit-debug v8.0.1
[INFO] [stderr]    Compiling wasmtime-asm-macros v8.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling sp-std v9.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling wasmtime v8.0.1
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling memfd v0.6.5
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v8.0.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr] error: could not compile `object` (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 object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.32.2/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 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read"' --cfg 'feature="read_core"' --cfg 'feature="std"' --cfg 'feature="unaligned"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "cargo-all", "coff", "compiler_builtins", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=f73d7ea18e0a32d6 -C extra-filename=-1b0bf890917db1ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-60b408e76a46f254.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" "e0b9bea1d10d846bd346cf744f284079aa3deed7915db483ab5375b63efaf423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b9bea1d10d846bd346cf744f284079aa3deed7915db483ab5375b63efaf423", kill_on_drop: false }`
[INFO] [stdout] e0b9bea1d10d846bd346cf744f284079aa3deed7915db483ab5375b63efaf423