[INFO] fetching crate karak-kms 0.2.1...
[INFO] building karak-kms-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate karak-kms 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate karak-kms 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate karak-kms 0.2.1
[INFO] tweaked toml for crates.io crate karak-kms 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate karak-kms 0.2.1 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 476 packages to latest compatible versions
[INFO] [stderr]       Adding alloy v0.3.6 (available: v1.0.36)
[INFO] [stderr]       Adding alloy-serde v0.3.6 (available: v1.0.36)
[INFO] [stderr]       Adding alloy-sol-types v0.8.25 (available: v1.4.0)
[INFO] [stderr]       Adding ark-bn254 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-serialize v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding libloading v0.8.8 (available: v0.8.9)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ef73c879a3fbad71f981288b5af0e46100b2f5e88a5edf228a76ae8cbc3eaee5
[INFO] running `Command { std: "docker" "start" "-a" "ef73c879a3fbad71f981288b5af0e46100b2f5e88a5edf228a76ae8cbc3eaee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef73c879a3fbad71f981288b5af0e46100b2f5e88a5edf228a76ae8cbc3eaee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef73c879a3fbad71f981288b5af0e46100b2f5e88a5edf228a76ae8cbc3eaee5", kill_on_drop: false }`
[INFO] [stdout] ef73c879a3fbad71f981288b5af0e46100b2f5e88a5edf228a76ae8cbc3eaee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4185e0bb46a5b9d740162c639e79a82eee183267a003b89aec82256da573ec98
[INFO] running `Command { std: "docker" "start" "-a" "4185e0bb46a5b9d740162c639e79a82eee183267a003b89aec82256da573ec98", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling const-hex v1.16.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling outref v0.5.2
[INFO] [stderr]    Compiling vsimd v0.8.0
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling futures-utils-wasm v0.1.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aws-types v1.3.8
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling utf-8 v0.7.6
[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="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=3453d6efb811e620 -C extra-filename=-d39b452e62eda284 --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" "4185e0bb46a5b9d740162c639e79a82eee183267a003b89aec82256da573ec98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4185e0bb46a5b9d740162c639e79a82eee183267a003b89aec82256da573ec98", kill_on_drop: false }`
[INFO] [stdout] 4185e0bb46a5b9d740162c639e79a82eee183267a003b89aec82256da573ec98