[INFO] fetching crate bn254_blackbox_solver 0.46.0...
[INFO] checking bn254_blackbox_solver-0.46.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bn254_blackbox_solver 0.46.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate bn254_blackbox_solver 0.46.0
[INFO] finished tweaking crates.io crate bn254_blackbox_solver 0.46.0
[INFO] tweaked toml for crates.io crate bn254_blackbox_solver 0.46.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bn254_blackbox_solver 0.46.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 280 packages to latest compatible versions
[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-std v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.4)
[INFO] [stderr]       Adding pprof v0.12.1 (available: v0.15.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding wasmer v4.4.0 (available: v6.1.0)
[INFO] [stderr]       Adding wat v1.0.71 (available: v1.240.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b312c3f9fb0294e27c2d8ebdd41289d4cf17ba4e9411845b7f6edaebbf39b05
[INFO] running `Command { std: "docker" "start" "-a" "8b312c3f9fb0294e27c2d8ebdd41289d4cf17ba4e9411845b7f6edaebbf39b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b312c3f9fb0294e27c2d8ebdd41289d4cf17ba4e9411845b7f6edaebbf39b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b312c3f9fb0294e27c2d8ebdd41289d4cf17ba4e9411845b7f6edaebbf39b05", kill_on_drop: false }`
[INFO] [stdout] 8b312c3f9fb0294e27c2d8ebdd41289d4cf17ba4e9411845b7f6edaebbf39b05
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42bd10e0aa057d881424043905f9c0933f8348860d4a800094dd2ed56ce9c5b4
[INFO] running `Command { std: "docker" "start" "-a" "42bd10e0aa057d881424043905f9c0933f8348860d4a800094dd2ed56ce9c5b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling cranelift-isle v0.91.1
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.91.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.91.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking cranelift-entity v0.91.1
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking cranelift-bforest v0.91.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking regalloc2 v0.5.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking memmap2 v0.6.2
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[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking cranelift-egraph v0.91.1
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[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking wasmparser v0.121.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking wasm-encoder v0.32.0
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking shared-buffer v0.1.4
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking self_cell v1.2.1
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v4.4.0
[INFO] [stderr]     Checking wast v64.0.0
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]    Compiling cranelift-codegen v0.91.1
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]    Compiling symbolic-demangle v12.16.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking symbolic-common v12.16.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]    Compiling pprof v0.12.1
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking libaes v0.7.0
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking nix v0.26.4
[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/4f260f0f20b3133d20cfb50353c0221943af5796/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.110/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="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=61d11ab9f0dfff0a -C extra-filename=-c42d63ea677c3072 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7d6df607ea8ec301.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-adea07ede1c72b9e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-c79155cc4d42f716.rmeta --cap-lints allow --cap-lints=forbid -Dunmustuse_in_always_ok` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42bd10e0aa057d881424043905f9c0933f8348860d4a800094dd2ed56ce9c5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bd10e0aa057d881424043905f9c0933f8348860d4a800094dd2ed56ce9c5b4", kill_on_drop: false }`
[INFO] [stdout] 42bd10e0aa057d881424043905f9c0933f8348860d4a800094dd2ed56ce9c5b4