[INFO] fetching crate songbird 0.5.0...
[INFO] testing songbird-0.5.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate songbird 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate songbird 0.5.0
[INFO] finished tweaking crates.io crate songbird 0.5.0
[INFO] tweaked toml for crates.io crate songbird 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate songbird 0.5.0 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 songbird 0.5.0 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" "+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 twilight-gateway-queue v0.16.0
[INFO] [stderr]   Downloaded miniz_oxide v0.8.4
[INFO] [stderr]   Downloaded realfft v3.4.0
[INFO] [stderr]   Downloaded serde-aux v4.6.0
[INFO] [stderr]   Downloaded tokio-rustls v0.26.1
[INFO] [stderr]   Downloaded pnet_macros v0.34.0
[INFO] [stderr]   Downloaded tokio-websockets v0.11.3
[INFO] [stderr]   Downloaded audiopus v0.3.0-rc.0
[INFO] [stderr]   Downloaded is-terminal v0.4.15
[INFO] [stderr]   Downloaded ringbuf v0.4.7
[INFO] [stderr]   Downloaded rubato v0.16.1
[INFO] [stderr]   Downloaded pin-project-internal v1.1.9
[INFO] [stderr]   Downloaded pin-project v1.1.9
[INFO] [stderr]   Downloaded hls_m3u8 v0.4.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.20
[INFO] [stderr]   Downloaded cc v1.2.15
[INFO] [stderr]   Downloaded tempfile v3.17.1
[INFO] [stderr]   Downloaded winnow v0.7.3
[INFO] [stderr]   Downloaded async-trait v0.1.86
[INFO] [stderr]   Downloaded shorthand v0.1.1
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.4
[INFO] [stderr]   Downloaded tokio-tungstenite v0.26.2
[INFO] [stderr]   Downloaded zerocopy v0.8.20
[INFO] [stderr]   Downloaded serenity-voice-model v0.2.0
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.4
[INFO] [stderr]   Downloaded data-encoding v2.8.0
[INFO] [stderr]   Downloaded pnet_base v0.34.0
[INFO] [stderr]   Downloaded rustfft v6.2.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.34.0
[INFO] [stderr]   Downloaded rusty_pool v0.7.0
[INFO] [stderr]   Downloaded serde_cow v0.1.2
[INFO] [stderr]   Downloaded typemap_rev v0.3.0
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded hashmap_derive v0.1.0
[INFO] [stderr]   Downloaded from_map v0.1.0
[INFO] [stderr]   Downloaded no-std-compat v0.2.0
[INFO] [stderr]   Downloaded serenity v0.12.4
[INFO] [stderr]   Downloaded strum_macros v0.17.1
[INFO] [stderr]   Downloaded strum v0.17.1
[INFO] [stderr]   Downloaded patricia_tree v0.8.0
[INFO] [stderr]   Downloaded stream_lib v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.4
[INFO] [stderr]   Downloaded tungstenite v0.26.2
[INFO] [stderr]   Downloaded tokio v1.43.0
[INFO] [stderr]   Downloaded discortp v0.6.0
[INFO] [stderr]   Downloaded twilight-model v0.16.0
[INFO] [stderr]   Downloaded bytes v1.10.0
[INFO] [stderr]   Downloaded uuid v1.14.0
[INFO] [stderr]   Downloaded semver v1.0.25
[INFO] [stderr]   Downloaded stable-vec v0.4.1
[INFO] [stderr]   Downloaded streamcatcher v1.0.1
[INFO] [stderr]   Downloaded rand_core v0.9.1
[INFO] [stderr]   Downloaded twilight-gateway v0.16.0
[INFO] [stderr]   Downloaded audiopus_sys v0.2.2
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.4
[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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf4dd23dd9ea8082557cdd8405c509c21672297c3debf5cacf4d4c359852581
[INFO] running `Command { std: "docker" "start" "-a" "abf4dd23dd9ea8082557cdd8405c509c21672297c3debf5cacf4d4c359852581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf4dd23dd9ea8082557cdd8405c509c21672297c3debf5cacf4d4c359852581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf4dd23dd9ea8082557cdd8405c509c21672297c3debf5cacf4d4c359852581", kill_on_drop: false }`
[INFO] [stdout] abf4dd23dd9ea8082557cdd8405c509c21672297c3debf5cacf4d4c359852581
[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=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] dfe45b127ee0ab5b4abc4551c5ce65f97d5e4a4ee981477d34e984b90b6b4a73
[INFO] running `Command { std: "docker" "start" "-a" "dfe45b127ee0ab5b4abc4551c5ce65f97d5e4a4ee981477d34e984b90b6b4a73", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling zerocopy v0.8.20
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling data-encoding v2.8.0
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling no-std-compat v0.2.0
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling bytemuck v1.21.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling stable-vec v0.4.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling miniz_oxide v0.8.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling pnet_base v0.34.0
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling serenity v0.12.4
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling pnet_macros_support v0.34.0
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling patricia_tree v0.8.0
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling ring v0.17.9
[INFO] [stderr]    Compiling rand_core v0.9.1
[INFO] [stderr]    Compiling audiopus_sys v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling typemap_rev v0.3.0
[INFO] [stderr]    Compiling songbird v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling ringbuf v0.4.7
[INFO] [stderr]    Compiling uuid v1.14.0
[INFO] [stderr]    Compiling audiopus v0.3.0-rc.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling rustls v0.23.23
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[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/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"' --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=947a16f0fc2905ef -C extra-filename=-2ae6e9e19b3244c2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-daf4591dd9edd7ed.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-20d7a3a59ef95cf3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-91d8e47120fa3e9c.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" "dfe45b127ee0ab5b4abc4551c5ce65f97d5e4a4ee981477d34e984b90b6b4a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe45b127ee0ab5b4abc4551c5ce65f97d5e4a4ee981477d34e984b90b6b4a73", kill_on_drop: false }`
[INFO] [stdout] dfe45b127ee0ab5b4abc4551c5ce65f97d5e4a4ee981477d34e984b90b6b4a73