[INFO] fetching crate wasm-embedded-spec 0.4.0...
[INFO] testing wasm-embedded-spec-0.4.0 against master#d3515155216e98c23440ea92c3f49c6a0d7101fc for pr-113843
[INFO] extracting crate wasm-embedded-spec 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate wasm-embedded-spec 0.4.0 on toolchain d3515155216e98c23440ea92c3f49c6a0d7101fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-embedded-spec 0.4.0
[INFO] finished tweaking crates.io crate wasm-embedded-spec 0.4.0
[INFO] tweaked toml for crates.io crate wasm-embedded-spec 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-bforest v0.90.1
[INFO] [stderr]   Downloaded wiggle v3.0.1
[INFO] [stderr]   Downloaded cranelift-entity v0.90.1
[INFO] [stderr]   Downloaded wasmtime-asm-macros v3.0.1
[INFO] [stderr]   Downloaded wasmtime-cache v3.0.1
[INFO] [stderr]   Downloaded wasmtime-jit-debug v3.0.1
[INFO] [stderr]   Downloaded cranelift-native v0.90.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.90.1
[INFO] [stderr]   Downloaded wasmtime-fiber v3.0.1
[INFO] [stderr]   Downloaded wasmtime-jit-icache-coherence v2.0.1
[INFO] [stderr]   Downloaded wiggle-macro v3.0.1
[INFO] [stderr]   Downloaded cranelift-egraph v0.90.1
[INFO] [stderr]   Downloaded wasmtime-types v3.0.1
[INFO] [stderr]   Downloaded wasmtime-jit v3.0.1
[INFO] [stderr]   Downloaded cranelift-isle v0.90.1
[INFO] [stderr]   Downloaded wasmtime-cranelift v3.0.1
[INFO] [stderr]   Downloaded cranelift-wasm v0.90.1
[INFO] [stderr]   Downloaded rustix v0.35.14
[INFO] [stderr]   Downloaded wasmtime v3.0.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.90.1
[INFO] [stderr]   Downloaded wasmtime-environ v3.0.1
[INFO] [stderr]   Downloaded regalloc2 v0.4.2
[INFO] [stderr]   Downloaded wasmparser v0.93.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.90.1
[INFO] [stderr]   Downloaded wasmtime-runtime v3.0.1
[INFO] [stderr]   Downloaded wiggle-generate v3.0.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.90.1
[INFO] [stderr]   Downloaded io-lifetimes v0.7.5
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a52af01051839d8f3c4afeb243017c05f705117e8932ce7b9ce4b87bbd2d900
[INFO] running `Command { std: "docker" "start" "-a" "0a52af01051839d8f3c4afeb243017c05f705117e8932ce7b9ce4b87bbd2d900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a52af01051839d8f3c4afeb243017c05f705117e8932ce7b9ce4b87bbd2d900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a52af01051839d8f3c4afeb243017c05f705117e8932ce7b9ce4b87bbd2d900", kill_on_drop: false }`
[INFO] [stdout] 0a52af01051839d8f3c4afeb243017c05f705117e8932ce7b9ce4b87bbd2d900
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1f95784347d37937a8c8e9a85f3fefb671db34ef7a1e77064b613c62c8a0e33
[INFO] running `Command { std: "docker" "start" "-a" "a1f95784347d37937a8c8e9a85f3fefb671db34ef7a1e77064b613c62c8a0e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.10
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling cranelift-isle v0.90.1
[INFO] [stderr]    Compiling io-lifetimes v0.7.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.90.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.90.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling rustix v0.35.14
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling regalloc2 v0.4.2
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]    Compiling wasmtime-asm-macros v3.0.1
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling wasm-encoder v0.31.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling wasmtime-cache v3.0.1
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling wasmtime-fiber v3.0.1
[INFO] [stderr]    Compiling ittapi-sys v0.3.3
[INFO] [stderr]    Compiling wasmtime-runtime v3.0.1
[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/d3515155216e98c23440ea92c3f49c6a0d7101fc/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.26/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"' --cfg 'feature="visit-mut"' -C metadata=2b0dda4add8e19ae -C extra-filename=-2b0dda4add8e19ae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c308a930a0e3b3ae.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f0d3d8608fbacc11.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-27c541bdd3194d90.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a1f95784347d37937a8c8e9a85f3fefb671db34ef7a1e77064b613c62c8a0e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f95784347d37937a8c8e9a85f3fefb671db34ef7a1e77064b613c62c8a0e33", kill_on_drop: false }`
[INFO] [stdout] a1f95784347d37937a8c8e9a85f3fefb671db34ef7a1e77064b613c62c8a0e33