[INFO] fetching crate penumbra-sdk-num 2.1.0...
[INFO] building penumbra-sdk-num-2.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate penumbra-sdk-num 2.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate penumbra-sdk-num 2.1.0
[INFO] finished tweaking crates.io crate penumbra-sdk-num 2.1.0
[INFO] tweaked toml for crates.io crate penumbra-sdk-num 2.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate penumbra-sdk-num 2.1.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 246 packages to latest compatible versions
[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 base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding bech32 v0.8.1 (available: v0.11.0)
[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 thiserror v1.0.69 (available: v2.0.16)
[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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83e76b9cbc441af60858d76720b0908237e181422a14d914949d62fe7e061528
[INFO] running `Command { std: "docker" "start" "-a" "83e76b9cbc441af60858d76720b0908237e181422a14d914949d62fe7e061528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83e76b9cbc441af60858d76720b0908237e181422a14d914949d62fe7e061528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e76b9cbc441af60858d76720b0908237e181422a14d914949d62fe7e061528", kill_on_drop: false }`
[INFO] [stdout] 83e76b9cbc441af60858d76720b0908237e181422a14d914949d62fe7e061528
[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=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] 51fab3b5372e20dee2c10ef2d142ff3413b383b50400f2768eae91ffcba8c470
[INFO] running `Command { std: "docker" "start" "-a" "51fab3b5372e20dee2c10ef2d142ff3413b383b50400f2768eae91ffcba8c470", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr] error: could not compile `tracing-core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name tracing_core --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.34/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 --warn=unexpected_cfgs --check-cfg 'cfg(flaky_tests)' --check-cfg 'cfg(tracing_unstable)' --check-cfg 'cfg(unsound_local_offset)' --cfg 'feature="default"' --cfg 'feature="once_cell"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "once_cell", "std", "valuable"))' -C metadata=bd87955a144fd355 -C extra-filename=-2fa02b5ee2bcd648 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-0ba6aecba7086d38.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" "51fab3b5372e20dee2c10ef2d142ff3413b383b50400f2768eae91ffcba8c470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fab3b5372e20dee2c10ef2d142ff3413b383b50400f2768eae91ffcba8c470", kill_on_drop: false }`
[INFO] [stdout] 51fab3b5372e20dee2c10ef2d142ff3413b383b50400f2768eae91ffcba8c470