[INFO] fetching crate penumbra-sdk-bench 0.82.0-alpha.0...
[INFO] building penumbra-sdk-bench-0.82.0-alpha.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate penumbra-sdk-bench 0.82.0-alpha.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate penumbra-sdk-bench 0.82.0-alpha.0
[INFO] finished tweaking crates.io crate penumbra-sdk-bench 0.82.0-alpha.0
[INFO] tweaked toml for crates.io crate penumbra-sdk-bench 0.82.0-alpha.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate penumbra-sdk-bench 0.82.0-alpha.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 509 packages to latest compatible versions
[INFO] [stderr]       Adding ark-bls12-377 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ec v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ff v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-groth16 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-r1cs-std v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-relations v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding ark-serialize v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-snark v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding ark-std v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding aws-lc-rs v1.14.0 (available: v1.14.1)
[INFO] [stderr]       Adding bech32 v0.8.1 (available: v0.11.0)
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding decaf377-fmd v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding decaf377-ka v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-asset v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-dex v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-fee v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-governance v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-keys v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-num v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-proof-params v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-sct v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-shielded-pool v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-stake v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding penumbra-sdk-tct v0.82.0-alpha.15 (available: v2.1.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbe4d02ce554c3548dbeefdde659587e80ade57f7fc17fea5fa35bc014e753c7
[INFO] running `Command { std: "docker" "start" "-a" "fbe4d02ce554c3548dbeefdde659587e80ade57f7fc17fea5fa35bc014e753c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbe4d02ce554c3548dbeefdde659587e80ade57f7fc17fea5fa35bc014e753c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe4d02ce554c3548dbeefdde659587e80ade57f7fc17fea5fa35bc014e753c7", kill_on_drop: false }`
[INFO] [stdout] fbe4d02ce554c3548dbeefdde659587e80ade57f7fc17fea5fa35bc014e753c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2612c102955860ca6fa4428a451dfe49d79f991e9349ea585bacd6b52f2ee16c
[INFO] running `Command { std: "docker" "start" "-a" "2612c102955860ca6fa4428a451dfe49d79f991e9349ea585bacd6b52f2ee16c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling flex-error v0.4.4
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.95
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="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=03f1a239e63eda50 -C extra-filename=-763640f3cb8fa514 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-084ae52e87cd4d87.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2612c102955860ca6fa4428a451dfe49d79f991e9349ea585bacd6b52f2ee16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2612c102955860ca6fa4428a451dfe49d79f991e9349ea585bacd6b52f2ee16c", kill_on_drop: false }`
[INFO] [stdout] 2612c102955860ca6fa4428a451dfe49d79f991e9349ea585bacd6b52f2ee16c