[INFO] fetching crate smoldot 0.19.4...
[INFO] building smoldot-0.19.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate smoldot 0.19.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate smoldot 0.19.4
[INFO] finished tweaking crates.io crate smoldot 0.19.4
[INFO] tweaked toml for crates.io crate smoldot 0.19.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smoldot 0.19.4 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] crate crates.io crate smoldot 0.19.4 already has a lockfile, it will not be regenerated
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e4e8d1cafe975d6b7859769c8410d03e0621eee96e8566b3c677352bafb94dd5
[INFO] running `Command { std: "docker" "start" "-a" "e4e8d1cafe975d6b7859769c8410d03e0621eee96e8566b3c677352bafb94dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e8d1cafe975d6b7859769c8410d03e0621eee96e8566b3c677352bafb94dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e8d1cafe975d6b7859769c8410d03e0621eee96e8566b3c677352bafb94dd5", kill_on_drop: false }`
[INFO] [stdout] e4e8d1cafe975d6b7859769c8410d03e0621eee96e8566b3c677352bafb94dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e3310f1be55153dc9c668fce9f15fe58cb2d51b6f744a893bf7c6b6bee79dca8
[INFO] running `Command { std: "docker" "start" "-a" "e3310f1be55153dc9c668fce9f15fe58cb2d51b6f744a893bf7c6b6bee79dca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.117.2
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling cc v1.2.17
[INFO] [stderr]    Compiling pulley-interpreter v30.0.2
[INFO] [stderr]    Compiling cranelift-bitset v0.117.2
[INFO] [stderr]    Compiling cranelift-isle v0.117.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.117.2
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling wasmtime-math v30.0.2
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling wasmparser v0.224.1
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.117.2
[INFO] [stderr]    Compiling wasm-encoder v0.224.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling cranelift-control v0.117.2
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling wasmtime-component-util v30.0.2
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/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=34a1bb99cdf530d5 -C extra-filename=-96b669ab8e79dc83 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-21e3e1a6b62590dc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d9cd4251aac42a18.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "e3310f1be55153dc9c668fce9f15fe58cb2d51b6f744a893bf7c6b6bee79dca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3310f1be55153dc9c668fce9f15fe58cb2d51b6f744a893bf7c6b6bee79dca8", kill_on_drop: false }`
[INFO] [stdout] e3310f1be55153dc9c668fce9f15fe58cb2d51b6f744a893bf7c6b6bee79dca8