[INFO] fetching crate wasmer-swift 0.601.0...
[INFO] testing wasmer-swift-0.601.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate wasmer-swift 0.601.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wasmer-swift 0.601.0
[INFO] finished tweaking crates.io crate wasmer-swift 0.601.0
[INFO] tweaked toml for crates.io crate wasmer-swift 0.601.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmer-swift 0.601.0 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] crate crates.io crate wasmer-swift 0.601.0 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3ec7cdfb0feb4b50ea1d75e34adfab895718fbd7628c82e9375d2734362b0f51
[INFO] running `Command { std: "docker" "start" "-a" "3ec7cdfb0feb4b50ea1d75e34adfab895718fbd7628c82e9375d2734362b0f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec7cdfb0feb4b50ea1d75e34adfab895718fbd7628c82e9375d2734362b0f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec7cdfb0feb4b50ea1d75e34adfab895718fbd7628c82e9375d2734362b0f51", kill_on_drop: false }`
[INFO] [stdout] 3ec7cdfb0feb4b50ea1d75e34adfab895718fbd7628c82e9375d2734362b0f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 39907e7dd7157d11cd5ecd5dd866512c0080598276024fc662f1c0cb4f7eb8c2
[INFO] running `Command { std: "docker" "start" "-a" "39907e7dd7157d11cd5ecd5dd866512c0080598276024fc662f1c0cb4f7eb8c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling wasmparser v0.224.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=40b1d5b0600dcfd5 -C extra-filename=-fcda8429019e605f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3961f8809e272ccb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-557d48b6199c64f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9ad4622e9362cad2.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "39907e7dd7157d11cd5ecd5dd866512c0080598276024fc662f1c0cb4f7eb8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39907e7dd7157d11cd5ecd5dd866512c0080598276024fc662f1c0cb4f7eb8c2", kill_on_drop: false }`
[INFO] [stdout] 39907e7dd7157d11cd5ecd5dd866512c0080598276024fc662f1c0cb4f7eb8c2