[INFO] fetching crate unc-dyn-configs 0.12.2...
[INFO] testing unc-dyn-configs-0.12.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate unc-dyn-configs 0.12.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate unc-dyn-configs 0.12.2
[INFO] finished tweaking crates.io crate unc-dyn-configs 0.12.2
[INFO] tweaked toml for crates.io crate unc-dyn-configs 0.12.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unc-dyn-configs 0.12.2 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]      Locking 511 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding wasmprinter v0.2.57 (available: v0.2.80)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5d8607ee705fc9f07faa7a422a561e291ec0c1004f08e533d39238c5c5ef81b0
[INFO] running `Command { std: "docker" "start" "-a" "5d8607ee705fc9f07faa7a422a561e291ec0c1004f08e533d39238c5c5ef81b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d8607ee705fc9f07faa7a422a561e291ec0c1004f08e533d39238c5c5ef81b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8607ee705fc9f07faa7a422a561e291ec0c1004f08e533d39238c5c5ef81b0", kill_on_drop: false }`
[INFO] [stdout] 5d8607ee705fc9f07faa7a422a561e291ec0c1004f08e533d39238c5c5ef81b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 14241a43dd92266550cd04338ebabc7421890082c05ba4f714152acb4e707cf5
[INFO] running `Command { std: "docker" "start" "-a" "14241a43dd92266550cd04338ebabc7421890082c05ba4f714152acb4e707cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.7.45
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling cranelift-isle v0.101.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.101.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.101.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling borsh v1.5.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling wasmparser v0.115.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling regalloc2 v0.9.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[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/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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=9d49116601b0fbe9 -C extra-filename=-3604fc4b4f66ee53 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-26141f501b988814.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5dc791de4998fa6e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a00dd35274e822e.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" "14241a43dd92266550cd04338ebabc7421890082c05ba4f714152acb4e707cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14241a43dd92266550cd04338ebabc7421890082c05ba4f714152acb4e707cf5", kill_on_drop: false }`
[INFO] [stdout] 14241a43dd92266550cd04338ebabc7421890082c05ba4f714152acb4e707cf5