[INFO] fetching crate marine-wasmtime-backend 0.7.0...
[INFO] testing marine-wasmtime-backend-0.7.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate marine-wasmtime-backend 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate marine-wasmtime-backend 0.7.0
[INFO] finished tweaking crates.io crate marine-wasmtime-backend 0.7.0
[INFO] tweaked toml for crates.io crate marine-wasmtime-backend 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate marine-wasmtime-backend 0.7.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 290 packages to latest compatible versions
[INFO] [stderr]       Adding multimap v0.8.3 (available: v0.10.1)
[INFO] [stderr]       Adding wasmtime v13.0.1 (available: v38.0.3)
[INFO] [stderr]       Adding wasmtime-wasi v13.0.1 (available: v38.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69dc03ebd555a7eb1b0f887970c8e378fbe86b1ba40b6d1bd9c932a42520cf7c
[INFO] running `Command { std: "docker" "start" "-a" "69dc03ebd555a7eb1b0f887970c8e378fbe86b1ba40b6d1bd9c932a42520cf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69dc03ebd555a7eb1b0f887970c8e378fbe86b1ba40b6d1bd9c932a42520cf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69dc03ebd555a7eb1b0f887970c8e378fbe86b1ba40b6d1bd9c932a42520cf7c", kill_on_drop: false }`
[INFO] [stdout] 69dc03ebd555a7eb1b0f887970c8e378fbe86b1ba40b6d1bd9c932a42520cf7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eabeb1b25f67b0b2480044be4db09e29c1c5296c118f2efc3427e5da1d566144
[INFO] running `Command { std: "docker" "start" "-a" "eabeb1b25f67b0b2480044be4db09e29c1c5296c118f2efc3427e5da1d566144", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling cranelift-isle v0.100.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.100.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.100.1
[INFO] [stderr]    Compiling io-lifetimes v2.0.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling io-extras v0.18.4
[INFO] [stderr]    Compiling wasmtime-component-util v13.0.1
[INFO] [stderr]    Compiling wasm-encoder v0.32.0
[INFO] [stderr]    Compiling ambient-authority v0.0.2
[INFO] [stderr]    Compiling cap-primitives v2.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regalloc2 v0.9.3
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling wasm-encoder v0.240.0
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling cranelift-control v0.100.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling wasmtime-asm-macros v13.0.1
[INFO] [stderr]    Compiling cap-std v2.0.2
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling ittapi-sys v0.3.5
[INFO] [stderr]    Compiling leb128fmt v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]    Compiling fs-set-times v0.20.3
[INFO] [stderr]    Compiling memfd v0.6.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling wasmtime-cache v13.0.1
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling wasmtime-wmemcheck v13.0.1
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling shellexpand v2.1.2
[INFO] [stderr]    Compiling ittapi v0.3.5
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v13.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling wasi-common v13.0.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling wast v8.0.0
[INFO] [stderr]    Compiling system-interface v0.26.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling wast v240.0.0
[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/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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=9d49116601b0fbe9 -C extra-filename=-3604fc4b4f66ee53 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-26141f501b988814.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5dc791de4998fa6e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a00dd35274e822e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "eabeb1b25f67b0b2480044be4db09e29c1c5296c118f2efc3427e5da1d566144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabeb1b25f67b0b2480044be4db09e29c1c5296c118f2efc3427e5da1d566144", kill_on_drop: false }`
[INFO] [stdout] eabeb1b25f67b0b2480044be4db09e29c1c5296c118f2efc3427e5da1d566144