[INFO] fetching crate audio-processor-graph 2.6.0...
[INFO] testing audio-processor-graph-2.6.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate audio-processor-graph 2.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate audio-processor-graph 2.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate audio-processor-graph 2.6.0
[INFO] tweaked toml for crates.io crate audio-processor-graph 2.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate audio-processor-graph 2.6.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate audio-processor-graph 2.6.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f64953d20a5e2b900c9f892a7cd18285d38cbf275fbb532feed39088f78c07b2
[INFO] running `Command { std: "docker" "start" "-a" "f64953d20a5e2b900c9f892a7cd18285d38cbf275fbb532feed39088f78c07b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f64953d20a5e2b900c9f892a7cd18285d38cbf275fbb532feed39088f78c07b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64953d20a5e2b900c9f892a7cd18285d38cbf275fbb532feed39088f78c07b2", kill_on_drop: false }`
[INFO] [stdout] f64953d20a5e2b900c9f892a7cd18285d38cbf275fbb532feed39088f78c07b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d8ee8a30d5011353467f8a8f39e37a52cfefb041e94133f816e6524cf7a6597
[INFO] running `Command { std: "docker" "start" "-a" "9d8ee8a30d5011353467f8a8f39e37a52cfefb041e94133f816e6524cf7a6597", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling basedrop v0.1.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling indexmap v2.4.0
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling daggy v0.8.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling audio-garbage-collector v1.2.0
[INFO] [stderr]    Compiling augmented-atomics v0.2.0
[INFO] [stderr]    Compiling audio-processor-traits v4.3.0
[INFO] [stderr]    Compiling augmented_oscillator v1.4.0
[INFO] [stderr]    Compiling audio-processor-graph v2.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.00s
[INFO] running `Command { std: "docker" "inspect" "9d8ee8a30d5011353467f8a8f39e37a52cfefb041e94133f816e6524cf7a6597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8ee8a30d5011353467f8a8f39e37a52cfefb041e94133f816e6524cf7a6597", kill_on_drop: false }`
[INFO] [stdout] 9d8ee8a30d5011353467f8a8f39e37a52cfefb041e94133f816e6524cf7a6597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6832c04cd940fa0cc062398da91563ab52de81822c34a1b532745c9457d1d845
[INFO] running `Command { std: "docker" "start" "-a" "6832c04cd940fa0cc062398da91563ab52de81822c34a1b532745c9457d1d845", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling bytemuck v1.17.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling cc v1.1.13
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.4
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling flate2 v1.0.32
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.4
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling safe_arch v0.7.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.4
[INFO] [stderr]    Compiling alsa v0.9.0
[INFO] [stderr]    Compiling wide v0.7.28
[INFO] [stderr]    Compiling font-kit v0.10.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.4
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.4
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling plotters-bitmap v0.3.6
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling symphonia-format-isomp4 v0.5.4
[INFO] [stderr]    Compiling symphonia-format-mkv v0.5.4
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling symphonia-codec-aac v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-adpcm v0.5.4
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling audio-garbage-collector v1.2.0
[INFO] [stderr]    Compiling symphonia-codec-pcm v0.5.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr] error: could not compile `rustfft` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name rustfft --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustfft-6.2.0/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="avx"' --cfg 'feature="default"' --cfg 'feature="neon"' --cfg 'feature="sse"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("avx", "default", "neon", "sse", "wasm_simd"))' -C metadata=40cae9f8448780b8 -C extra-filename=-179078dd1c330253 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-3852fb7c8c47928d.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-01abaf272f73e844.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-218f25a8e45e3a8e.rmeta --extern primal_check=/opt/rustwide/target/debug/deps/libprimal_check-2c0cc2fedfa2a23d.rmeta --extern strength_reduce=/opt/rustwide/target/debug/deps/libstrength_reduce-4ca69df7140e8857.rmeta --extern transpose=/opt/rustwide/target/debug/deps/libtranspose-ae1ffc92b12c3080.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.23.2/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=14902a469bce9eaf -C extra-filename=-b09f9ccb55188da7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-a9851ebd0ab18f47.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-d9b80cb51cda7b5b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-2850b7e48763c42a.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-e8944da8cf20ef26.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6832c04cd940fa0cc062398da91563ab52de81822c34a1b532745c9457d1d845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6832c04cd940fa0cc062398da91563ab52de81822c34a1b532745c9457d1d845", kill_on_drop: false }`
[INFO] [stdout] 6832c04cd940fa0cc062398da91563ab52de81822c34a1b532745c9457d1d845