[INFO] fetching crate regexp2rust_macro 0.1.5...
[INFO] checking regexp2rust_macro-0.1.5 against master#568f6a8641e391ffcdcdb03e79d0901731d8d399 for pr-117164
[INFO] extracting crate regexp2rust_macro 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate regexp2rust_macro 0.1.5 on toolchain 568f6a8641e391ffcdcdb03e79d0901731d8d399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]     Checking regexp2rust_macro v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `line_boundary_sherlock_holmes` is never used
[INFO] [stdout]    --> benches/dna.rs:376:5
[INFO] [stdout]     |
[INFO] [stdout] 376 |     line_boundary_sherlock_holmes,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `sherlock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeated_class_negation` is never used
[INFO] [stdout]    --> benches/dna.rs:398:11
[INFO] [stdout]     |
[INFO] [stdout] 398 | sherlock!(repeated_class_negation, r"[a-q][^u-z]{13}x", 142);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `sherlock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ing_suffix_limited_space` is never used
[INFO] [stdout]    --> benches/dna.rs:410:11
[INFO] [stdout]     |
[INFO] [stdout] 410 | sherlock!(ing_suffix_limited_space, r"\s[a-zA-Z]{0,12}ing\s", 2081);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `sherlock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "002c2e3c8c5b61a3cc6bf25bc089b3466ca77b6fc6ed046131dc7dfb79c936ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002c2e3c8c5b61a3cc6bf25bc089b3466ca77b6fc6ed046131dc7dfb79c936ba", kill_on_drop: false }`
[INFO] [stdout] 002c2e3c8c5b61a3cc6bf25bc089b3466ca77b6fc6ed046131dc7dfb79c936ba
[INFO] checking regexp2rust_macro-0.1.5 against try#eb3956d47f58f1c7c0a5694b1d3401945bc41dce for pr-117164
[INFO] extracting crate regexp2rust_macro 0.1.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate regexp2rust_macro 0.1.5 on toolchain eb3956d47f58f1c7c0a5694b1d3401945bc41dce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "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" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ec7e89c177da03877deb59b520e938edb3f64663321d92c0fd84aca9309204
[INFO] running `Command { std: "docker" "start" "-a" "c5ec7e89c177da03877deb59b520e938edb3f64663321d92c0fd84aca9309204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ec7e89c177da03877deb59b520e938edb3f64663321d92c0fd84aca9309204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ec7e89c177da03877deb59b520e938edb3f64663321d92c0fd84aca9309204", kill_on_drop: false }`
[INFO] [stdout] c5ec7e89c177da03877deb59b520e938edb3f64663321d92c0fd84aca9309204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6fcc42d5a3f82bc3e13197d2de5f2b08bd58539313c0436dbe67c8170ee329a
[INFO] running `Command { std: "docker" "start" "-a" "d6fcc42d5a3f82bc3e13197d2de5f2b08bd58539313c0436dbe67c8170ee329a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rkyv v0.7.42
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cranelift-isle v0.86.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.86.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling rkyv_derive v0.7.42
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.86.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v3.0.2
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling wasmer-wit-bindgen-gen-rust-wasm v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling cranelift-entity v0.86.1
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling cranelift-bforest v0.86.1
[INFO] [stderr]    Compiling region v3.0.0
[INFO] [stderr]    Compiling wasmer-wit-parser v0.1.1
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling regalloc2 v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling wasm-encoder v0.38.1
[INFO] [stderr]    Compiling wasmer-derive v3.0.2
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling wasmparser v0.83.0
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling wasmer-wit-bindgen-gen-core v0.1.1
[INFO] [stderr]    Compiling wasmer-wit-bindgen-gen-rust v0.1.1
[INFO] [stderr]    Compiling wast v69.0.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling cranelift-codegen v0.86.1
[INFO] [stderr]    Compiling wasmer-wit-bindgen-rust-impl v0.1.1
[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/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.39/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=7006968d10f51468 -C extra-filename=-7006968d10f51468 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f63ccd04acb0cd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e42a5656a0600e1d.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" "d6fcc42d5a3f82bc3e13197d2de5f2b08bd58539313c0436dbe67c8170ee329a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fcc42d5a3f82bc3e13197d2de5f2b08bd58539313c0436dbe67c8170ee329a", kill_on_drop: false }`
[INFO] [stdout] d6fcc42d5a3f82bc3e13197d2de5f2b08bd58539313c0436dbe67c8170ee329a