[INFO] fetching crate proofmode 0.9.0...
[INFO] documenting proofmode-0.9.0 against 1.95.0 for beta-1.96-rustdoc-1
[INFO] extracting crate proofmode 0.9.0 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate proofmode 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate proofmode 0.9.0
[INFO] tweaked toml for crates.io crate proofmode 0.9.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proofmode 0.9.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proofmode 0.9.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded opentimestamps v0.2.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fdb9c92dd2c5424230db156e0b54f42152e085c45d06d261dd977e3b0c6149f
[INFO] running `Command { std: "docker" "start" "-a" "8fdb9c92dd2c5424230db156e0b54f42152e085c45d06d261dd977e3b0c6149f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fdb9c92dd2c5424230db156e0b54f42152e085c45d06d261dd977e3b0c6149f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdb9c92dd2c5424230db156e0b54f42152e085c45d06d261dd977e3b0c6149f", kill_on_drop: false }`
[INFO] [stdout] 8fdb9c92dd2c5424230db156e0b54f42152e085c45d06d261dd977e3b0c6149f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1572aa74b9838c54f5764d7299a80cd90fa14ccb47599da5e7abd956cf84b173
[INFO] running `Command { std: "docker" "start" "-a" "1572aa74b9838c54f5764d7299a80cd90fa14ccb47599da5e7abd956cf84b173", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking regex-syntax v0.8.9
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]     Checking deranged v0.5.6
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
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[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling polars-utils v0.52.0
[INFO] [stderr]     Checking siphasher v1.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking uuid v1.21.0
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]    Compiling polars-schema v0.52.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]    Compiling polars-arrow v0.52.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling stacker v0.1.23
[INFO] [stderr]    Compiling aws-lc-sys v0.37.1
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling abnf-core v0.5.0
[INFO] [stderr]    Compiling polars-compute v0.52.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]     Checking debug_unsafe v0.1.4
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling abnf v0.13.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking atoi_simd v0.16.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]     Checking winnow v0.7.14
[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/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.116/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=db0625ced48f6eb2 -C extra-filename=-0c7c6f12cf68a6b2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3c232b798a1b9876.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4578ccb7be30daf1.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-1b0fdef928ae7c98.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" "1572aa74b9838c54f5764d7299a80cd90fa14ccb47599da5e7abd956cf84b173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1572aa74b9838c54f5764d7299a80cd90fa14ccb47599da5e7abd956cf84b173", kill_on_drop: false }`
[INFO] [stdout] 1572aa74b9838c54f5764d7299a80cd90fa14ccb47599da5e7abd956cf84b173