[INFO] fetching crate livekit-ffi 0.12.39...
[INFO] testing livekit-ffi-0.12.39 against 1.91.0 for beta-1.92-2
[INFO] extracting crate livekit-ffi 0.12.39 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate livekit-ffi 0.12.39
[INFO] finished tweaking crates.io crate livekit-ffi 0.12.39
[INFO] tweaked toml for crates.io crate livekit-ffi 0.12.39 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate livekit-ffi 0.12.39 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate livekit-ffi 0.12.39 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-build v0.14.1
[INFO] [stderr]   Downloaded libwebrtc v0.3.19
[INFO] [stderr]   Downloaded link-cplusplus v1.0.12
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.186
[INFO] [stderr]   Downloaded webrtc-sys-build v0.3.11
[INFO] [stderr]   Downloaded async-tungstenite v0.25.1
[INFO] [stderr]   Downloaded console-api v0.5.0
[INFO] [stderr]   Downloaded prost-derive v0.11.9
[INFO] [stderr]   Downloaded prost v0.11.9
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] [stderr]   Downloaded console-subscriber v0.1.10
[INFO] [stderr]   Downloaded prost-derive v0.14.1
[INFO] [stderr]   Downloaded pbjson-types v0.6.0
[INFO] [stderr]   Downloaded cxxbridge-cmd v1.0.186
[INFO] [stderr]   Downloaded cxx-build v1.0.186
[INFO] [stderr]   Downloaded tonic v0.9.2
[INFO] [stderr]   Downloaded webrtc-sys v0.3.16
[INFO] [stderr]   Downloaded livekit v0.7.24
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.186
[INFO] [stderr]   Downloaded async-native-tls v0.5.0
[INFO] [stderr]   Downloaded livekit-api v0.4.9
[INFO] [stderr]   Downloaded from_variants_impl v1.0.2
[INFO] [stderr]   Downloaded from_variants v1.0.2
[INFO] [stderr]   Downloaded livekit-runtime v0.4.0
[INFO] [stderr]   Downloaded pbjson v0.6.0
[INFO] [stderr]   Downloaded prost-build v0.12.6
[INFO] [stderr]   Downloaded multimap v0.10.1
[INFO] [stderr]   Downloaded livekit-protocol v0.5.1
[INFO] [stderr]   Downloaded prost-types v0.14.1
[INFO] [stderr]   Downloaded cxx v1.0.186
[INFO] [stderr]   Downloaded imgproc v0.3.15
[INFO] [stderr]   Downloaded prost-types v0.11.9
[INFO] [stderr]   Downloaded yuv-sys v0.3.10
[INFO] [stderr]   Downloaded bmrng v0.5.2
[INFO] [stderr]   Downloaded env_filter v0.1.4
[INFO] [stderr]   Downloaded pbjson-build v0.6.2
[INFO] [stderr]   Downloaded prost v0.14.1
[INFO] [stderr]   Downloaded soxr-sys v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d46dc36dcf22f43559a1a25193fea2699cf27742951dddfafc51b4db014754
[INFO] running `Command { std: "docker" "start" "-a" "a1d46dc36dcf22f43559a1a25193fea2699cf27742951dddfafc51b4db014754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d46dc36dcf22f43559a1a25193fea2699cf27742951dddfafc51b4db014754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d46dc36dcf22f43559a1a25193fea2699cf27742951dddfafc51b4db014754", kill_on_drop: false }`
[INFO] [stdout] a1d46dc36dcf22f43559a1a25193fea2699cf27742951dddfafc51b4db014754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f65b37b5e5140c1827636019b2068c02d9324665e82f993222de3eee2218074
[INFO] running `Command { std: "docker" "start" "-a" "6f65b37b5e5140c1827636019b2068c02d9324665e82f993222de3eee2218074", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling password-hash v0.4.2
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.186
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling cxx v1.0.186
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling cxx-build v1.0.186
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.103.7
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.186
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling env_filter v0.1.4
[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/1.91.0-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"' --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=8851c1923167af9f -C extra-filename=-7405aeb64e22437b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c22bbd7b6a4f8095.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4a62f9c9e6f0cd04.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-bcbe9b08b6cb0188.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" "6f65b37b5e5140c1827636019b2068c02d9324665e82f993222de3eee2218074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f65b37b5e5140c1827636019b2068c02d9324665e82f993222de3eee2218074", kill_on_drop: false }`
[INFO] [stdout] 6f65b37b5e5140c1827636019b2068c02d9324665e82f993222de3eee2218074