[INFO] fetching crate kinetics 0.8.0...
[INFO] testing kinetics-0.8.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kinetics 0.8.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate kinetics 0.8.0
[INFO] finished tweaking crates.io crate kinetics 0.8.0
[INFO] tweaked toml for crates.io crate kinetics 0.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kinetics 0.8.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kinetics 0.8.0 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85fb09375c8c4361adca61ca067575f08e214d0177569b57771deacaac8b0847
[INFO] running `Command { std: "docker" "start" "-a" "85fb09375c8c4361adca61ca067575f08e214d0177569b57771deacaac8b0847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fb09375c8c4361adca61ca067575f08e214d0177569b57771deacaac8b0847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fb09375c8c4361adca61ca067575f08e214d0177569b57771deacaac8b0847", kill_on_drop: false }`
[INFO] [stdout] 85fb09375c8c4361adca61ca067575f08e214d0177569b57771deacaac8b0847
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0b9bea97ce1a1dc7fbaef1ccea04b592b1098b494d8864ab1f41f84848f8620
[INFO] running `Command { std: "docker" "start" "-a" "b0b9bea97ce1a1dc7fbaef1ccea04b592b1098b494d8864ab1f41f84848f8620", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling outref v0.5.2
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling base64-simd v0.8.0
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling regex-lite v0.1.7
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling aws-types v1.3.8
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling zlib-rs v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.32.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling xmlparser v0.13.6
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling aws-smithy-xml v0.60.10
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling serde_dynamo v4.3.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling libbz2-rs-sys v0.2.2
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling zopfli v0.8.2
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling bzip2 v0.6.0
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling papergrid v0.17.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling libz-rs-sys v0.5.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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=22efb2bdb661afbd -C extra-filename=-7ea0fc0aec1ffb07 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-234839217d00a420.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-39e110f9b2bdcdc5.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-76924bfc03cc13f9.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" "b0b9bea97ce1a1dc7fbaef1ccea04b592b1098b494d8864ab1f41f84848f8620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b9bea97ce1a1dc7fbaef1ccea04b592b1098b494d8864ab1f41f84848f8620", kill_on_drop: false }`
[INFO] [stdout] b0b9bea97ce1a1dc7fbaef1ccea04b592b1098b494d8864ab1f41f84848f8620