hugo benchmark fails on hugoDocs site

[vangent]

• Install hugo (e.g., "go install" from cloned repo).
• Clone hugoDocs and cd into it.
• Run hugo benchmark

-->

$ hugo benchmark .
Started building sites ...
ERROR 2018/12/20 11:42:14 "/usr/local/google/home/rvangent/go/src/github.com/gohugoio/hugoDocs/content/en/troubleshooting/build-performance.md:111:17": failed to render shortcode "ref": failed to process shortcode: panic in Execute: runtime error: invalid memory address or nil pointer dereference. See "https://github.com/gohugoio/hugo/issues/5327" for the reason why we cannot provide a better error message for this.
ERROR 2018/12/20 11:42:14 "/usr/local/google/home/rvangent/go/src/github.com/gohugoio/hugoDocs/content/en/content-management/organization/index.md:24:77": failed to render shortcode "relref": failed to process shortcode: panic in Execute: runtime error: invalid memory address or nil pointer dereference. See "https://github.com/gohugoio/hugo/issues/5327" for the reason why we cannot provide a better error message for this.
ERROR 2018/12/20 11:42:14 "/usr/local/google/home/rvangent/go/src/github.com/gohugoio/hugoDocs/content/en/content-management/organization/index.md:24:153": failed to render shortcode "relref": failed to process shortcode: panic in Execute: runtime error: invalid memory address or nil pointer dereference. See "https://github.com/gohugoio/hugo/issues/5327" for the reason why we cannot provide a better error message for this.
ERROR 2018/12/20 11:42:14 "/usr/local/google/home/rvangent/go/src/github.com/gohugoio/hugoDocs/content/en/getting-started/directory-structure.md:49:64": failed to render shortcode "ref": failed to process shortcode: panic in Execute: runtime error: invalid memory address or nil pointer dereference. See "https://github.com/gohugoio/hugo/issues/5327" for the reason why we cannot provide a better error message for this.
Error: "/usr/local/google/home/rvangent/go/src/github.com/gohugoio/hugoDocs/content/en/hugo-pipes/scss-sass.md:47:1": failed to render shortcode "note": failed to process shortcode: panic in Execute: runtime error: invalid memory address or nil pointer dereference. See "https://github.com/gohugoio/hugo/issues/5327" for the reason why we cannot provide a better error message for this.
 exit:255 (github:master) gohugoio/hugoDocs$ vi content/en/getting-started/directory-structure.md

[bep]

I would guess a version mismatch. If you want to troubleshoot, try https://discourse.gohugo.io/

[bep]

Keep this open, I have another fix for this particular issue.

[github-actions]

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