[INFO] fetching crate penumbra-sdk-funding 2.0.6...
[INFO] testing penumbra-sdk-funding-2.0.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate penumbra-sdk-funding 2.0.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate penumbra-sdk-funding 2.0.6
[INFO] finished tweaking crates.io crate penumbra-sdk-funding 2.0.6
[INFO] tweaked toml for crates.io crate penumbra-sdk-funding 2.0.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate penumbra-sdk-funding 2.0.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 453 packages to latest compatible versions
[INFO] [stderr]       Adding ark-groth16 v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding cnidarium v0.83.0 (available: v0.84.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding tonic v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding universal-hash v0.4.0 (available: v0.4.1)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 05d021096106ae56839fc7ccaee433c49b2842661c6c6c893facc1d1a1e70ba1
[INFO] running `Command { std: "docker" "start" "-a" "05d021096106ae56839fc7ccaee433c49b2842661c6c6c893facc1d1a1e70ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d021096106ae56839fc7ccaee433c49b2842661c6c6c893facc1d1a1e70ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d021096106ae56839fc7ccaee433c49b2842661c6c6c893facc1d1a1e70ba1", kill_on_drop: false }`
[INFO] [stdout] 05d021096106ae56839fc7ccaee433c49b2842661c6c6c893facc1d1a1e70ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 10af29620e085c7f04a4b292eaf72c677419a2df5e1cff39fd64c1efbb764994
[INFO] running `Command { std: "docker" "start" "-a" "10af29620e085c7f04a4b292eaf72c677419a2df5e1cff39fd64c1efbb764994", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling flex-error v0.4.4
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling subtle-ng v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling keccak v0.1.6
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling safe-quote v1.0.40
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling safe-regex-compiler v0.2.6
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling blake3 v1.8.5
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]    Compiling libz-sys v1.1.28
[INFO] [stderr]    Compiling ark-std v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling safe-regex-macro v0.2.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling safe-regex v0.2.6
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]    Compiling borsh v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling metrics v0.24.3
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling mirai-annotations v1.12.0
[INFO] [stderr]    Compiling blake2b_simd v1.0.4
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling penumbra-sdk-proto v2.1.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[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-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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=f50fd23ee619c33a -C extra-filename=-db35dfc171bce774 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-423507c85e36a25a.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" "10af29620e085c7f04a4b292eaf72c677419a2df5e1cff39fd64c1efbb764994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10af29620e085c7f04a4b292eaf72c677419a2df5e1cff39fd64c1efbb764994", kill_on_drop: false }`
[INFO] [stdout] 10af29620e085c7f04a4b292eaf72c677419a2df5e1cff39fd64c1efbb764994
