[INFO] fetching crate singlestage 0.3.8...
[INFO] testing singlestage-0.3.8 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate singlestage 0.3.8 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate singlestage 0.3.8
[INFO] finished tweaking crates.io crate singlestage 0.3.8
[INFO] tweaked toml for crates.io crate singlestage 0.3.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singlestage 0.3.8 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] crate crates.io crate singlestage 0.3.8 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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e68c6b05df2438132dc0a6fcace2a1015d8041efd24a785289a4094da25bf3e6
[INFO] running `Command { std: "docker" "start" "-a" "e68c6b05df2438132dc0a6fcace2a1015d8041efd24a785289a4094da25bf3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e68c6b05df2438132dc0a6fcace2a1015d8041efd24a785289a4094da25bf3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68c6b05df2438132dc0a6fcace2a1015d8041efd24a785289a4094da25bf3e6", kill_on_drop: false }`
[INFO] [stdout] e68c6b05df2438132dc0a6fcace2a1015d8041efd24a785289a4094da25bf3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 483a9b51f0ceba7da66c6125e732c1426de0cd440a594655793101f3bc05e435
[INFO] running `Command { std: "docker" "start" "-a" "483a9b51f0ceba7da66c6125e732c1426de0cd440a594655793101f3bc05e435", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.105
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling throw_error v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling reactive_graph v0.2.9
[INFO] [stderr]    Compiling server_fn_macro v0.8.8
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling or_poisoned v0.1.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling guardian v1.3.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling html-escape v0.2.13
[INFO] [stderr]    Compiling tachys v0.2.10
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling either_of v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling server_fn v0.8.8
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling next_tuple v0.1.0
[INFO] [stderr]    Compiling const_str_slice_concat v0.1.0
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling drain_filter_polyfill v0.1.3
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling collection_literals v1.0.3
[INFO] [stderr]    Compiling erased v0.1.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling leptos_macro v0.8.11
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling const-str v0.6.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling base16 v0.2.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling leptos v0.8.12
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling quick-xml v0.38.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling async-once-cell v0.5.4
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling onig v6.5.1
[INFO] [stderr]    Compiling config v0.15.18
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling manyhow v0.11.4
[INFO] [stderr]    Compiling tower v0.5.2
[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 -C debuginfo=2 --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=9748eb7dabb7caf3 -C extra-filename=-9205d1d9b47f3399 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-162c403b525de628.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f512955600df7100.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-bc4dedbe6f3a94e6.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" "483a9b51f0ceba7da66c6125e732c1426de0cd440a594655793101f3bc05e435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483a9b51f0ceba7da66c6125e732c1426de0cd440a594655793101f3bc05e435", kill_on_drop: false }`
[INFO] [stdout] 483a9b51f0ceba7da66c6125e732c1426de0cd440a594655793101f3bc05e435