[INFO] fetching crate helicon 0.1.0...
[INFO] testing helicon-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate helicon 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate helicon 0.1.0
[INFO] finished tweaking crates.io crate helicon 0.1.0
[INFO] tweaked toml for crates.io crate helicon 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate helicon 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate helicon 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-format-caf v0.5.4
[INFO] [stderr]   Downloaded fastrand v2.2.0
[INFO] [stderr]   Downloaded similar v2.6.0
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.4
[INFO] [stderr]   Downloaded lucene_query_builder_rs_derive v0.3.0
[INFO] [stderr]   Downloaded lucene_query_builder v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.97
[INFO] [stderr]   Downloaded security-framework-sys v2.12.1
[INFO] [stderr]   Downloaded pest_generator v2.7.14
[INFO] [stderr]   Downloaded float_eq v1.0.1
[INFO] [stderr]   Downloaded pest_derive v2.7.14
[INFO] [stderr]   Downloaded num-modular v0.6.1
[INFO] [stderr]   Downloaded js-sys v0.3.74
[INFO] [stderr]   Downloaded ebur128 v0.1.10
[INFO] [stderr]   Downloaded unidecode v0.3.0
[INFO] [stderr]   Downloaded handlebars v6.2.0
[INFO] [stderr]   Downloaded rubato v0.16.1
[INFO] [stderr]   Downloaded pest v2.7.14
[INFO] [stderr]   Downloaded hyper v1.5.1
[INFO] [stderr]   Downloaded reqwest v0.12.9
[INFO] [stderr]   Downloaded pest_meta v2.7.14
[INFO] [stderr]   Downloaded id3 v1.16.0
[INFO] [stderr]   Downloaded musicbrainz_rs_nova v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.97
[INFO] [stderr]   Downloaded bytemuck v1.20.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.97
[INFO] [stderr]   Downloaded rusty-chromaprint v0.3.0
[INFO] [stderr]   Downloaded rustix v0.38.41
[INFO] [stderr]   Downloaded rustfft v6.2.0
[INFO] [stderr]   Downloaded bstr v1.11.0
[INFO] [stderr]   Downloaded thiserror v2.0.9
[INFO] [stderr]   Downloaded num-order v1.2.0
[INFO] [stderr]   Downloaded hungarian v1.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.97
[INFO] [stderr]   Downloaded realfft v3.4.0
[INFO] [stderr]   Downloaded fixedbitset v0.3.2
[INFO] [stderr]   Downloaded metaflac v0.2.7
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.47
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.97
[INFO] [stderr]   Downloaded thiserror-impl v2.0.9
[INFO] [stderr]   Downloaded web-sys v0.3.74
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7798843c6cf8e7f27ee3740bfcec6925b1ab261f2d50299c17c07522b3a835d5
[INFO] running `Command { std: "docker" "start" "-a" "7798843c6cf8e7f27ee3740bfcec6925b1ab261f2d50299c17c07522b3a835d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7798843c6cf8e7f27ee3740bfcec6925b1ab261f2d50299c17c07522b3a835d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7798843c6cf8e7f27ee3740bfcec6925b1ab261f2d50299c17c07522b3a835d5", kill_on_drop: false }`
[INFO] [stdout] 7798843c6cf8e7f27ee3740bfcec6925b1ab261f2d50299c17c07522b3a835d5
[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=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 377a5b0190f331bf1bc0bc6b674af7747f5f63858ac0ad7dbfaabb947f0adaa2
[INFO] running `Command { std: "docker" "start" "-a" "377a5b0190f331bf1bc0bc6b674af7747f5f63858ac0ad7dbfaabb947f0adaa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling bytemuck v1.20.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.4
[INFO] [stderr]    Compiling musicbrainz_rs_nova v0.8.0
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling ebur128 v0.1.10
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.4
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling symphonia-format-mkv v0.5.4
[INFO] [stderr]    Compiling lucene_query_builder_rs_derive v0.3.0
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.4
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.4
[INFO] [stderr]    Compiling symphonia-format-isomp4 v0.5.4
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]    Compiling lucene_query_builder v0.3.0
[INFO] [stderr]    Compiling symphonia-format-caf v0.5.4
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[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/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.90/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"' --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=c82b0a34353a9f8f -C extra-filename=-e0a80bad1bd91ea6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b19d02e79eb7f315.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "377a5b0190f331bf1bc0bc6b674af7747f5f63858ac0ad7dbfaabb947f0adaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377a5b0190f331bf1bc0bc6b674af7747f5f63858ac0ad7dbfaabb947f0adaa2", kill_on_drop: false }`
[INFO] [stdout] 377a5b0190f331bf1bc0bc6b674af7747f5f63858ac0ad7dbfaabb947f0adaa2