panic with: runtime: goroutine stack exceeds 1000000000-byte limit

[eryx]

fatal output:

runtime: goroutine stack exceeds 1000000000-byte limit
runtime: sp=0xc022a823a8 stack=[0xc022a82000, 0xc042a82000]
fatal error: stack overflow

runtime stack:
runtime.throw(0x1132e81, 0xe)
	/usr/local/go/src/runtime/panic.go:1117 +0x72
runtime.newstack()
	/usr/local/go/src/runtime/stack.go:1069 +0x7ed
runtime.morestack()
	/usr/local/go/src/runtime/asm_amd64.s:458 +0x8f

goroutine 1031 [running]:
runtime.concatstrings(0x0, 0xc022a82400, 0x2, 0x2, 0x0, 0x0)
	/usr/local/go/src/runtime/string.go:24 +0x2f4 fp=0xc022a823b8 sp=0xc022a823b0 pc=0x453c14
runtime.concatstring2(0x0, 0x0, 0x0, 0x112f107, 0x2, 0xc022a82460, 0x2)
	/usr/local/go/src/runtime/string.go:59 +0x47 fp=0xc022a823f8 sp=0xc022a823b8 pc=0x453c67
github.com/andybalholm/cascadia.(*parser).parseName(0xc022a827d8, 0x0, 0x0, 0x112f110, 0x2)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/parser.go:134 +0xc5 fp=0xc022a82458 sp=0xc022a823f8 pc=0x714805
github.com/andybalholm/cascadia.(*parser).parseIdentifier(0xc022a827d8, 0x10, 0x7fc249a3ef18, 0x10, 0xc014e7d2f0)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/parser.go:114 +0x97 fp=0xc022a824c8 sp=0xc022a82458 pc=0x714577
github.com/andybalholm/cascadia.(*parser).parseTypeSelector(0xc022a827d8, 0x0, 0xc014e7d2f0, 0x0, 0x1)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/parser.go:306 +0x2f fp=0xc022a82520 sp=0xc022a824c8 pc=0x7152af
github.com/andybalholm/cascadia.(*parser).parseSimpleSelectorSequence(0xc022a827d8, 0x203000, 0xc022a82728, 0x7fc21f5bb280, 0x40)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/parser.go:720 +0x718 fp=0xc022a82690 sp=0xc022a82520 pc=0x718d58
github.com/andybalholm/cascadia.(*parser).parseSelector(0xc022a827d8, 0x0, 0xc014e6dc00, 0x1298070, 0xc014e7d2e0)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/parser.go:779 +0x3d fp=0xc022a82708 sp=0xc022a82690 pc=0x718f1d
github.com/andybalholm/cascadia.(*parser).parseSelectorGroup(0xc022a827d8, 0x0, 0x8, 0x8, 0xc022a82828, 0x203005)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/parser.go:820 +0x2f fp=0xc022a82780 sp=0xc022a82708 pc=0x7191af
github.com/andybalholm/cascadia.ParseGroup(0x112f107, 0xb, 0xc014e84600, 0x30, 0x28, 0x103afe0, 0x0)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/selector.go:67 +0x72 fp=0xc022a82808 sp=0xc022a82780 pc=0x719472
github.com/andybalholm/cascadia.Compile(...)
	/opt/gopath/pkg/mod/github.com/andybalholm/cascadia@v1.2.0/selector.go:10github.com/PuerkitoBio/goquery.compileMatcher(0x112f107, 0xb, 0xc022a828c0, 0xc0005ee800)
	/opt/gopath/pkg/mod/github.com/!puerkito!bio/goquery@v1.7.1/type.go:167 +0x39 fp=0xc022a82868 sp=0xc022a82808 pc=0x72d8b9
github.com/PuerkitoBio/goquery.(*Selection).Find(0xc014e84600, 0x112f107, 0xb, 0x0)
	/opt/gopath/pkg/mod/github.com/!puerkito!bio/goquery@v1.7.1/traversal.go:24 +0x39 fp=0xc022a828d0 sp=0xc022a82868 pc=0x728b59
github.com/gloomyzerg/textractor.findHtag(0xc014e845a0, 0x112f107, 0xb, 0xc014e845d0)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:37 +0xe5 fp=0xc022a82930 sp=0xc022a828d0 pc=0xea7c45
github.com/gloomyzerg/textractor.findHtag(0xc014e84540, 0x112f107, 0xb, 0xc014e84570)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:41 +0x145 fp=0xc022a82990 sp=0xc022a82930 pc=0xea7ca5
github.com/gloomyzerg/textractor.findHtag(0xc014e844e0, 0x112f107, 0xb, 0xc014e84510)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:41 +0x145 fp=0xc022a829f0 sp=0xc022a82990 pc=0xea7ca5
github.com/gloomyzerg/textractor.findHtag(0xc014e84480, 0x112f107, 0xb, 0xc014e844b0)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:41 +0x145 fp=0xc022a82a50 sp=0xc022a829f0 pc=0xea7ca5
github.com/gloomyzerg/textractor.findHtag(0xc014e84420, 0x112f107, 0xb, 0xc014e84450)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:41 +0x145 fp=0xc022a82ab0 sp=0xc022a82a50 pc=0xea7ca5
github.com/gloomyzerg/textractor.findHtag(0xc014e843c0, 0x112f107, 0xb, 0xc014e843f0)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:41 +0x145 fp=0xc022a82b10 sp=0xc022a82ab0 pc=0xea7ca5
github.com/gloomyzerg/textractor.findHtag(0xc014e84360, 0x112f107, 0xb, 0xc014e84390)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:41 +0x145 fp=0xc022a82b70 sp=0xc022a82b10 pc=0xea7ca5
github.com/gloomyzerg/textractor.findHtag(0xc014e84300, 0x112f107, 0xb, 0xc014e84330)
	/opt/gopath/pkg/mod/github.com/gloomyzerg/textractor@v0.2.0/title.go:41 +0x145 fp=0xc022a82bd0 sp=0xc022a82b70 pc=0xea7ca5
...
...