[INFO] fetching crate penumbra-sdk-custody 2.0.6...
[INFO] checking penumbra-sdk-custody-2.0.6 against c79f6bc4fc2389852aeff667626cb3e58adfe71c for pr-164081
[INFO] extracting crate penumbra-sdk-custody 2.0.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate penumbra-sdk-custody 2.0.6
[INFO] finished tweaking crates.io crate penumbra-sdk-custody 2.0.6
[INFO] tweaked toml for crates.io crate penumbra-sdk-custody 2.0.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate penumbra-sdk-custody 2.0.6 on toolchain c79f6bc4fc2389852aeff667626cb3e58adfe71c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "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" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 412 packages to highest compatible versions
[INFO] [stderr]       Adding argon2 v0.5.3 (available: v0.6.0)
[INFO] [stderr]       Adding ark-ff v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding ark-serialize v0.4.2 (available: v0.6.0)
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.23.1)
[INFO] [stderr]       Adding chacha20poly1305 v0.9.1 (available: v0.11.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding prost v0.13.5 (available: v0.14.4)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.10.1)
[INFO] [stderr]       Adding toml v0.7.8 (available: v1.1.8+spec-1.1.0)
[INFO] [stderr]       Adding tonic v0.12.3 (available: v0.14.6)
[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" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f
[INFO] running `Command { std: "docker" "start" "7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f" "/opt/rustwide/cargo-home/bin/cargo" "+c79f6bc4fc2389852aeff667626cb3e58adfe71c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking crossbeam-epoch v0.9.21
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]     Checking powerfmt v0.2.1
[INFO] [stderr]     Checking deranged v0.5.9
[INFO] [stderr]     Checking flex-error v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.8
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking constant_time_eq v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.95
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]    Compiling blake3 v1.8.7
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking keccak v0.1.6
[INFO] [stderr]     Checking rand v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling safe-quote v1.0.40
[INFO] [stderr]    Compiling equivalent v1.0.3
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling safe-regex-compiler v0.2.6
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking time v0.3.55
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking proc-macro2 v0.1.10
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking blake2b_simd v1.0.5
[INFO] [stderr]    Compiling safe-regex-macro v0.2.6
[INFO] [stderr]     Checking safe-regex v0.2.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling penumbra-sdk-proto v2.1.1
[INFO] [stderr]     Checking bech32 v0.8.1
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking ibig v0.3.6
[INFO] [stderr]     Checking ethnum v1.5.3
[INFO] [stderr]     Checking hash_hasher v2.0.4
[INFO] [stderr]     Checking rapidhash v4.5.1
[INFO] [stderr]     Checking f4jumble v0.1.2
[INFO] [stderr]     Checking bitvec v1.1.1
[INFO] [stderr]    Compiling penumbra-sdk-proof-params v2.1.1
[INFO] [stderr]     Checking metrics v0.24.6
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.9
[INFO] [stderr]    Compiling litrs v1.0.1
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking const-crc32 v1.3.0
[INFO] [stderr]     Checking debugless-unwrap v0.0.4
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]     Checking winnow v0.5.40
[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/c79f6bc4fc2389852aeff667626cb3e58adfe71c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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="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=e0c076b91188da37 -C extra-filename=-3fb8fbbfbaa8bd4c --out-dir /opt/rustwide/target/debug/build/syn/3fb8fbbfbaa8bd4c/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/27cc7564129baea3/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/df46d5bd9131fa48/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/27cc7564129baea3/out/libproc_macro2-27cc7564129baea3.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/34457d38a32972c2/out/libquote-34457d38a32972c2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/df46d5bd9131fa48/out/libunicode_ident-df46d5bd9131fa48.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/c79f6bc4fc2389852aeff667626cb3e58adfe71c/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,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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=b83c69d61ac438c9 -C extra-filename=-0c8da90fa30ef0ba --out-dir /opt/rustwide/target/debug/build/syn/0c8da90fa30ef0ba/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/27cc7564129baea3/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/df46d5bd9131fa48/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/27cc7564129baea3/out/libproc_macro2-27cc7564129baea3.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/34457d38a32972c2/out/libquote-34457d38a32972c2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/df46d5bd9131fa48/out/libunicode_ident-df46d5bd9131fa48.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f", kill_on_drop: false }`
[INFO] [stdout] 7b2f6cf5fcd4340669740a13d52d3c9690ed9de22c9d795c590cbc23d4521b0f