[INFO] fetching crate regexp2rust_macro 0.1.5...
[INFO] checking regexp2rust_macro-0.1.5 against master#fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6 for pr-120361
[INFO] extracting crate regexp2rust_macro 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate regexp2rust_macro 0.1.5 on toolchain fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regexp2rust_macro 0.1.5
[INFO] finished tweaking crates.io crate regexp2rust_macro 0.1.5
[INFO] tweaked toml for crates.io crate regexp2rust_macro 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "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 wasmer-wit-bindgen-gen-core v0.1.1
[INFO] [stderr]   Downloaded wasmer-derive v3.0.2
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-gen-rust v0.1.1
[INFO] [stderr]   Downloaded wasmer-wit-parser v0.1.1
[INFO] [stderr]   Downloaded cranelift-isle v0.86.1
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-rust v0.1.1
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded cranelift-entity v0.86.1
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-rust-impl v0.1.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.86.1
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-gen-rust-wasm v0.1.1
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v3.0.2
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.86.1
[INFO] [stderr]   Downloaded regalloc2 v0.3.2
[INFO] [stderr]   Downloaded cranelift-codegen v0.86.1
[INFO] [stderr]   Downloaded jsexec v0.1.7
[INFO] [stderr]   Downloaded cranelift-bforest v0.86.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.86.1
[INFO] [stderr]   Downloaded wasmer v3.0.2
[INFO] [stderr]   Downloaded wasmer-wasi-local-networking v3.0.2
[INFO] [stderr]   Downloaded wasmer-types v3.0.2
[INFO] [stderr]   Downloaded wasmer-vfs v3.0.2
[INFO] [stderr]   Downloaded wasmer-vnet v3.0.2
[INFO] [stderr]   Downloaded wasmer-vbus v3.0.2
[INFO] [stderr]   Downloaded wasmer-vm v3.0.2
[INFO] [stderr]   Downloaded wasmer-wasi-types v3.0.2
[INFO] [stderr]   Downloaded wasmer-compiler v3.0.2
[INFO] [stderr]   Downloaded wasmer-wasi v3.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 904f79fa1bdc9be234b2bde0f5b6d26b117900c80dc68d42ed85095c5b9c80c8
[INFO] running `Command { std: "docker" "start" "-a" "904f79fa1bdc9be234b2bde0f5b6d26b117900c80dc68d42ed85095c5b9c80c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "904f79fa1bdc9be234b2bde0f5b6d26b117900c80dc68d42ed85095c5b9c80c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904f79fa1bdc9be234b2bde0f5b6d26b117900c80dc68d42ed85095c5b9c80c8", kill_on_drop: false }`
[INFO] [stdout] 904f79fa1bdc9be234b2bde0f5b6d26b117900c80dc68d42ed85095c5b9c80c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f0157a9d7046f4ac2cd28ec60531ef0dcfe78076f5878b21bca8556d4f3d9b5
[INFO] running `Command { std: "docker" "start" "-a" "0f0157a9d7046f4ac2cd28ec60531ef0dcfe78076f5878b21bca8556d4f3d9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rkyv v0.7.43
[INFO] [stderr]    Compiling cranelift-isle v0.86.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.86.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling darling_core v0.20.4
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.86.1
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v3.0.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling wasmer-wit-bindgen-gen-rust-wasm v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cranelift-entity v0.86.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wasmer-wit-parser v0.1.1
[INFO] [stderr]    Compiling cranelift-bforest v0.86.1
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling region v3.0.0
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling regalloc2 v0.3.2
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling wasm-encoder v0.41.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling wasmparser v0.83.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling wasmer-wit-bindgen-gen-core v0.1.1
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling wasmer-wit-bindgen-gen-rust v0.1.1
[INFO] [stderr]    Compiling wast v70.0.2
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling darling_macro v0.20.4
[INFO] [stderr]    Compiling cranelift-codegen v0.86.1
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking wasmer-vfs v3.0.2
[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/fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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"' --cfg 'feature="visit"' -C metadata=e1a474d682110ca5 -C extra-filename=-e1a474d682110ca5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9675dab333a2ba88.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9a3c6f2abd5cb631.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f8d62a079c79a15a.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" "0f0157a9d7046f4ac2cd28ec60531ef0dcfe78076f5878b21bca8556d4f3d9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0157a9d7046f4ac2cd28ec60531ef0dcfe78076f5878b21bca8556d4f3d9b5", kill_on_drop: false }`
[INFO] [stdout] 0f0157a9d7046f4ac2cd28ec60531ef0dcfe78076f5878b21bca8556d4f3d9b5