[INFO] fetching crate polywrap_client_builder 0.1.11...
[INFO] testing polywrap_client_builder-0.1.11 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate polywrap_client_builder 0.1.11 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate polywrap_client_builder 0.1.11
[INFO] finished tweaking crates.io crate polywrap_client_builder 0.1.11
[INFO] tweaked toml for crates.io crate polywrap_client_builder 0.1.11 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polywrap_client_builder 0.1.11 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 362 packages to latest compatible versions
[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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 07384b10d447b86da54090dd38e6fca5e02b79fba23e7270955cdc5be17fa8bd
[INFO] running `Command { std: "docker" "start" "-a" "07384b10d447b86da54090dd38e6fca5e02b79fba23e7270955cdc5be17fa8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07384b10d447b86da54090dd38e6fca5e02b79fba23e7270955cdc5be17fa8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07384b10d447b86da54090dd38e6fca5e02b79fba23e7270955cdc5be17fa8bd", kill_on_drop: false }`
[INFO] [stdout] 07384b10d447b86da54090dd38e6fca5e02b79fba23e7270955cdc5be17fa8bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6cba996eb32417ac3dda044b5770e76a50eba68f44fa0cc5f4c780cea8e95e5b
[INFO] running `Command { std: "docker" "start" "-a" "6cba996eb32417ac3dda044b5770e76a50eba68f44fa0cc5f4c780cea8e95e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling cranelift-isle v0.91.1
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.91.1
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.91.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling uriparse v0.6.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling cranelift-entity v0.91.1
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling schemafy_core v0.6.0
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling rustls-webpki v0.103.8
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling webpki-roots v1.0.4
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling regalloc2 v0.5.1
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling cranelift-codegen v0.91.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling cranelift-egraph v0.91.1
[INFO] [stderr]    Compiling cranelift-bforest v0.91.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling polywrap_schemafy_lib v0.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling memmap2 v0.6.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.14.0
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling shared-buffer v0.1.4
[INFO] [stderr]    Compiling wasmparser v0.121.2
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling fancy-regex v0.10.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=6f7269999d949377 -C extra-filename=-7d7b871138bfff06 --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 --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6cba996eb32417ac3dda044b5770e76a50eba68f44fa0cc5f4c780cea8e95e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cba996eb32417ac3dda044b5770e76a50eba68f44fa0cc5f4c780cea8e95e5b", kill_on_drop: false }`
[INFO] [stdout] 6cba996eb32417ac3dda044b5770e76a50eba68f44fa0cc5f4c780cea8e95e5b