[INFO] fetching crate voidmerge 0.0.5...
[INFO] testing voidmerge-0.0.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate voidmerge 0.0.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate voidmerge 0.0.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate voidmerge 0.0.5
[INFO] tweaked toml for crates.io crate voidmerge 0.0.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate voidmerge 0.0.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate voidmerge 0.0.5 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deflate64 v0.1.10
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[INFO] [stderr]   Downloaded deno_error_macro v0.7.0
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[INFO] [stderr]   Downloaded serde v1.0.221
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[INFO] [stderr]   Downloaded capacity_builder v0.5.0
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[INFO] [stderr]   Downloaded swc_common v9.2.0
[INFO] [stderr]   Downloaded swc_ecma_ast v9.0.0
[INFO] [stderr]   Downloaded aes-kw v0.2.1
[INFO] [stderr]   Downloaded deno_crypto v0.227.0
[INFO] [stderr]   Downloaded deno_core v0.355.0
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[INFO] [stderr]   Downloaded wasm_dep_analyzer v0.4.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.28.0
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[INFO] [stderr]   Downloaded swc_ecma_loader v9.0.0
[INFO] [stderr]   Downloaded ast_node v3.0.0
[INFO] [stderr]   Downloaded swc_allocator v4.0.1
[INFO] [stderr]   Downloaded deno_ast v0.49.0
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[INFO] [stderr]   Downloaded par-core v1.0.4
[INFO] [stderr]   Downloaded from_variant v2.0.0
[INFO] [stderr]   Downloaded swc_macros_common v1.0.0
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[INFO] [stderr]   Downloaded deno_features v0.10.0
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[INFO] [stderr]   Downloaded stringcase v0.4.0
[INFO] [stderr]   Downloaded serde_core v1.0.221
[INFO] [stderr]   Downloaded serde_derive v1.0.221
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[INFO] [stderr]   Downloaded liblzma-sys v0.4.4
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[INFO] [stderr]   Downloaded aws-lc-sys v0.31.0
[INFO] [stderr]   Downloaded v8 v137.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f405c3dbb13f2644e8fcd43255cc8196c1af21d549fe6890f08476da2e5e5a8
[INFO] running `Command { std: "docker" "start" "-a" "6f405c3dbb13f2644e8fcd43255cc8196c1af21d549fe6890f08476da2e5e5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f405c3dbb13f2644e8fcd43255cc8196c1af21d549fe6890f08476da2e5e5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f405c3dbb13f2644e8fcd43255cc8196c1af21d549fe6890f08476da2e5e5a8", kill_on_drop: false }`
[INFO] [stdout] 6f405c3dbb13f2644e8fcd43255cc8196c1af21d549fe6890f08476da2e5e5a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59e599288136677c088036ae4505050d50726922659c0c1ae3db719322100a1b
[INFO] running `Command { std: "docker" "start" "-a" "59e599288136677c088036ae4505050d50726922659c0c1ae3db719322100a1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde_core v1.0.221
[INFO] [stderr]    Compiling serde v1.0.221
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling vsimd v0.8.0
[INFO] [stderr]    Compiling outref v0.5.2
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling unicode-id-start v1.4.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling base64-simd v0.8.0
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling if_chain v1.0.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling swc_visit v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling gzip-header v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling swc_allocator v4.0.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling par-core v1.0.4
[INFO] [stderr]    Compiling stringcase v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling par-iter v1.0.2
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling psm v0.1.27
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling unicode-id v0.3.6
[INFO] [stderr]    Compiling ryu-js v1.0.2
[INFO] [stderr]    Compiling deno_core_icudata v0.74.0
[INFO] [stderr]    Compiling cooked-waker v5.0.0
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling zlib-rs v0.5.2
[INFO] [stderr]    Compiling aws-lc-sys v0.31.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling deno_terminal v0.2.2
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling swc_macros_common v1.0.0
[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/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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=b1e8d395197be46d -C extra-filename=-b39a000afed38142 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-48b3f49f80d33d9d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-01de1d5bfa52f380.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7ee9b8abf2d570d7.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" "59e599288136677c088036ae4505050d50726922659c0c1ae3db719322100a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e599288136677c088036ae4505050d50726922659c0c1ae3db719322100a1b", kill_on_drop: false }`
[INFO] [stdout] 59e599288136677c088036ae4505050d50726922659c0c1ae3db719322100a1b