[INFO] fetching crate rpu 0.3.0...
[INFO] building rpu-0.3.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate rpu 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rpu 0.3.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpu 0.3.0
[INFO] finished tweaking crates.io crate rpu 0.3.0
[INFO] tweaked toml for crates.io crate rpu 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 236 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[INFO] [stderr]       Adding wasmer v4.4.0 (available: v6.0.1)
[INFO] [stderr]       Adding wat v1.0.71 (available: v1.233.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b493b0717a5450a6860eae08c04da8796f17558fff5a976955e774be491be486
[INFO] running `Command { std: "docker" "start" "-a" "b493b0717a5450a6860eae08c04da8796f17558fff5a976955e774be491be486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b493b0717a5450a6860eae08c04da8796f17558fff5a976955e774be491be486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b493b0717a5450a6860eae08c04da8796f17558fff5a976955e774be491be486", kill_on_drop: false }`
[INFO] [stdout] b493b0717a5450a6860eae08c04da8796f17558fff5a976955e774be491be486
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df16066d33a175956062b3043262beaf0b8ec37759c8ca96fcfa2d51384040ff
[INFO] running `Command { std: "docker" "start" "-a" "df16066d33a175956062b3043262beaf0b8ec37759c8ca96fcfa2d51384040ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling cranelift-isle v0.91.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.91.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.91.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling cranelift-entity v0.91.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling regalloc2 v0.5.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling memmap2 v0.6.2
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling cranelift-bforest v0.91.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling bumpalo v3.18.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling wasmparser v0.121.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling cranelift-egraph v0.91.1
[INFO] [stderr]    Compiling wasm-encoder v0.32.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling av1-grain v0.2.4
[INFO] [stderr]    Compiling shared-buffer v0.1.4
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling cranelift-codegen v0.91.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v4.4.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling self_cell v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling imgref v1.11.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling avif-serialize v0.8.3
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling wast v64.0.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling zune-jpeg v0.4.16
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling image-webp v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling backtrace v0.3.75
[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/8b8eff55bd72abbb57167bc42222a7f91d41cb0d/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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-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=a2eeecde8ecb7935 -C extra-filename=-4333e415151e4fe7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3b12e67430ed0f16.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-558b4ebddb476b83.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b062d05623149337.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" "df16066d33a175956062b3043262beaf0b8ec37759c8ca96fcfa2d51384040ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df16066d33a175956062b3043262beaf0b8ec37759c8ca96fcfa2d51384040ff", kill_on_drop: false }`
[INFO] [stdout] df16066d33a175956062b3043262beaf0b8ec37759c8ca96fcfa2d51384040ff