did and update, rang hugo, got:
$ hugo
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x20 pc=0x464566]
goroutine 75 [running]:
runtime.panic(0x8f38c0, 0xc3eb93)
/usr/lib/go/src/pkg/runtime/panic.c:279 +0xf5
github.com/spf13/hugo/hugolib.isInnerShortcode(0xc208132880, 0x3)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/shortcode.go:149 +0x86
github.com/spf13/hugo/hugolib.extractShortcode(0x7fb455239938, 0xc208162000, 0x7fb458b35560, 0xc20810c500, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, …)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/shortcode.go:301 +0x884
github.com/spf13/hugo/hugolib.extractShortcodes(0xc20817a000, 0xb68, 0xc208162000, 0x7fb458b35560, 0xc20810c500, 0x0, 0x0, 0x404158, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/shortcode.go:374 +0x62d
github.com/spf13/hugo/hugolib.extractAndRenderShortcodes(0xc20817a000, 0xb68, 0xc208162000, 0x7fb458b35560, 0xc20810c500, 0x0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/shortcode.go:216 +0x86
github.com/spf13/hugo/hugolib.(*Page).ProcessShortcodes(0xc208162000, 0x7fb458b35560, 0xc20810c500)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/page.go:637 +0x77
github.com/spf13/hugo/hugolib.markdownHandler.PageConvert(0x0, 0x0, 0x0, 0xc208162000, 0x7fb458b35560, 0xc20810c500, 0x0, 0x0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/handler_page.go:57 +0x63
github.com/spf13/hugo/hugolib.(*markdownHandler).PageConvert(0xc208096560, 0xc208162000, 0x7fb458b35560, 0xc20810c500, 0x0, 0x0, 0x0, 0x0)
:83 +0xcd
github.com/spf13/hugo/hugolib.(*MetaHandle).Convert(0xc208096c80, 0x94a6e0, 0xc208162000, 0xc20802cea0, 0xc20812a900)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/handler_meta.go:69 +0x27f
github.com/spf13/hugo/hugolib.pageConverter(0xc20802cea0, 0xc20812a960, 0xc20812a900, 0xc208116d80)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:439 +0xfc
created by github.com/spf13/hugo/hugolib.(*Site).CreatePages
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:383 +0x627
goroutine 16 [semacquire]:
sync.runtime_Semacquire(0xc20813c59c)
/usr/lib/go/src/pkg/runtime/sema.goc:199 +0x30
sync.(*WaitGroup).Wait(0xc208116d80)
/usr/lib/go/src/pkg/sync/waitgroup.go:129 +0x14b
github.com/spf13/hugo/hugolib.(*Site).CreatePages(0xc20802cea0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:399 +0x7e4
github.com/spf13/hugo/hugolib.(*Site).Process(0xc20802cea0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:187 +0x96
github.com/spf13/hugo/hugolib.(*Site).Build(0xc20802cea0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:151 +0x4a
github.com/spf13/hugo/commands.buildSite(0xc208113c4f, 0x1, 0x1, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/commands/hugo.go:285 +0xcc
github.com/spf13/hugo/commands.build(0x0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/commands/hugo.go:211 +0x268
github.com/spf13/hugo/commands.func·006(0xc3d0e0, 0xc4bdb0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/commands/hugo.go:49 +0x2f
github.com/spf13/cobra.(*Command).execute(0xc3d0e0, 0x0, 0x0, 0x0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/cobra/command.go:368 +0x17c
github.com/spf13/cobra.(*Command).Execute(0xc3d0e0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/cobra/command.go:416 +0x13c
github.com/spf13/hugo/commands.Execute()
/home/laguest/opt/go/src/github.com/spf13/hugo/commands/hugo.go:60 +0x2f
main.main()
/home/laguest/opt/go/src/github.com/spf13/hugo/main.go:24 +0x30
goroutine 19 [finalizer wait]:
runtime.park(0x4131c0, 0xc4ac30, 0xc43c89)
/usr/lib/go/src/pkg/runtime/proc.c:1369 +0x89
runtime.parkunlock(0xc4ac30, 0xc43c89)
/usr/lib/go/src/pkg/runtime/proc.c:1385 +0x3b
runfinq()
/usr/lib/go/src/pkg/runtime/mgc0.c:2644 +0xcf
runtime.goexit()
/usr/lib/go/src/pkg/runtime/proc.c:1445
goroutine 50 [chan send]:
text/template/parse.lexSpace(0xc20814c200, 0xa72a68)
/usr/lib/go/src/pkg/text/template/parse/lex.go:339 +0xe0
text/template/parse.(*lexer).run(0xc20814c200)
/usr/lib/go/src/pkg/text/template/parse/lex.go:198 +0x40
created by text/template/parse.lex
/usr/lib/go/src/pkg/text/template/parse/lex.go:191 +0x112
goroutine 51 [chan send]:
text/template/parse.lexSpace(0xc20814c280, 0xa72a68)
/usr/lib/go/src/pkg/text/template/parse/lex.go:339 +0xe0
text/template/parse.(*lexer).run(0xc20814c280)
/usr/lib/go/src/pkg/text/template/parse/lex.go:198 +0x40
created by text/template/parse.lex
/usr/lib/go/src/pkg/text/template/parse/lex.go:191 +0x112
goroutine 52 [chan send]:
text/template/parse.lexSpace(0xc20814c300, 0xa72a68)
/usr/lib/go/src/pkg/text/template/parse/lex.go:339 +0xe0
text/template/parse.(*lexer).run(0xc20814c300)
/usr/lib/go/src/pkg/text/template/parse/lex.go:198 +0x40
created by text/template/parse.lex
/usr/lib/go/src/pkg/text/template/parse/lex.go:191 +0x112
goroutine 53 [chan send]:
text/template/parse.lexSpace(0xc20814c400, 0xa72a68)
/usr/lib/go/src/pkg/text/template/parse/lex.go:339 +0xe0
text/template/parse.(*lexer).run(0xc20814c400)
/usr/lib/go/src/pkg/text/template/parse/lex.go:198 +0x40
created by text/template/parse.lex
/usr/lib/go/src/pkg/text/template/parse/lex.go:191 +0x112
goroutine 54 [chan send]:
text/template/parse.lexSpace(0xc20814c480, 0xa72a68)
/usr/lib/go/src/pkg/text/template/parse/lex.go:339 +0xe0
text/template/parse.(*lexer).run(0xc20814c480)
/usr/lib/go/src/pkg/text/template/parse/lex.go:198 +0x40
created by text/template/parse.lex
/usr/lib/go/src/pkg/text/template/parse/lex.go:191 +0x112
goroutine 55 [chan send]:
text/template/parse.lexSpace(0xc20814c500, 0xa72a68)
/usr/lib/go/src/pkg/text/template/parse/lex.go:339 +0xe0
text/template/parse.(*lexer).run(0xc20814c500)
/usr/lib/go/src/pkg/text/template/parse/lex.go:198 +0x40
created by text/template/parse.lex
/usr/lib/go/src/pkg/text/template/parse/lex.go:191 +0x112
goroutine 63 [chan send]:
github.com/spf13/hugo/hugolib.lexShortcodeRightDelim(0xc2080e4240, 0xa71f58)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/shortcodeparser.go:349 +0xf4
github.com/spf13/hugo/hugolib.(*pagelexer).runShortcodeLexer(0xc2080e4240)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/shortcodeparser.go:196 +0x40
created by github.com/spf13/hugo/hugolib.newShortcodeLexer
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/shortcodeparser.go:188 +0xe4
goroutine 76 [runnable]:
github.com/spf13/hugo/helpers.ExtractTOC(0xc2080ea000, 0xd9, 0x1ac, 0xd0, 0xc2080ea000, 0xd9, 0x1ac, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/helpers/content.go:112
github.com/spf13/hugo/hugolib.markdownHandler.PageConvert(0x0, 0x0, 0x0, 0xc2080d8000, 0x7fb458b35560, 0xc20810c500, 0x0, 0x0, 0x0, 0x0)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/handler_page.go:59 +0x10f
github.com/spf13/hugo/hugolib.(*markdownHandler).PageConvert(0xc208096560, 0xc2080d8000, 0x7fb458b35560, 0xc20810c500, 0x0, 0x0, 0x0, 0x0)
<autogenerated>:83 +0xcd
github.com/spf13/hugo/hugolib.(*MetaHandle).Convert(0xc208116da0, 0x94a6e0, 0xc2080d8000, 0xc20802cea0, 0xc20812a900)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/handler_meta.go:69 +0x27f
github.com/spf13/hugo/hugolib.pageConverter(0xc20802cea0, 0xc20812a960, 0xc20812a900, 0xc208116d80)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:439 +0xfc
created by github.com/spf13/hugo/hugolib.(*Site).CreatePages
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:383 +0x627
goroutine 78 [chan receive]:
github.com/spf13/hugo/hugolib.converterCollator(0xc20802cea0, 0xc20812a900, 0xc20812a720)
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:456 +0x9a
created by github.com/spf13/hugo/hugolib.(*Site).CreatePages
/home/laguest/opt/go/src/github.com/spf13/hugo/hugolib/site.go:386 +0x663