[INFO] fetching crate swc_plugin_backend_wasmer 2.0.0...
[INFO] testing swc_plugin_backend_wasmer-2.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate swc_plugin_backend_wasmer 2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate swc_plugin_backend_wasmer 2.0.0
[INFO] finished tweaking crates.io crate swc_plugin_backend_wasmer 2.0.0
[INFO] tweaked toml for crates.io crate swc_plugin_backend_wasmer 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swc_plugin_backend_wasmer 2.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swc_plugin_backend_wasmer 2.0.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fd548582eb52e384f212b481793a3e97cff2c9c9e97b8af3a7d771648bc8761
[INFO] running `Command { std: "docker" "start" "-a" "5fd548582eb52e384f212b481793a3e97cff2c9c9e97b8af3a7d771648bc8761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fd548582eb52e384f212b481793a3e97cff2c9c9e97b8af3a7d771648bc8761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd548582eb52e384f212b481793a3e97cff2c9c9e97b8af3a7d771648bc8761", kill_on_drop: false }`
[INFO] [stdout] 5fd548582eb52e384f212b481793a3e97cff2c9c9e97b8af3a7d771648bc8761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e67f4bdb71882d763078dc35edebc5f420bdb927579463e784a2aa09effeb18
[INFO] running `Command { std: "docker" "start" "-a" "2e67f4bdb71882d763078dc35edebc5f420bdb927579463e784a2aa09effeb18", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling wasmparser v0.224.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling cpufeatures v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cranelift-isle v0.110.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling memmap2 v0.6.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.12
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.110.3
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.110.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling corosensei v0.2.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling cranelift-bitset v0.110.3
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling gimli v0.31.0
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cranelift-entity v0.110.2
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling wai-parser v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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-2025-09-21-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=118fb30ca50f3142 -C extra-filename=-507b4ba6c9d1e496 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-854696e6ecb228db.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2fa5dbbdcf3ea8ea.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.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" "2e67f4bdb71882d763078dc35edebc5f420bdb927579463e784a2aa09effeb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e67f4bdb71882d763078dc35edebc5f420bdb927579463e784a2aa09effeb18", kill_on_drop: false }`
[INFO] [stdout] 2e67f4bdb71882d763078dc35edebc5f420bdb927579463e784a2aa09effeb18
