[CI][R][Docs] Timeout by man/to_duckdb.Rd processing

[asfimport]

https://lists.apache.org/thread/chtv79c2vqhwnlvh8rhn2kbkd8pmxlf5

• test-ubuntu-default-docs:
  URL: https://github.com/ursacomputing/crossbow/branches/all?query=nightly-2021-11-28-0-azure-test-ubuntu-default-docs

https://dev.azure.com/ursacomputing/crossbow/_build/results?buildId=16335&view=logs&j=0da5d1d9-276d-5173-c4c4-9d4d4ed14fdb&t=d9b15392-e4ce-5e4c-0c8c-b69645229181&l=21162

2021-11-28T07:10:38.4971115Z Reading 'man/to_arrow.Rd'
2021-11-28T07:10:39.0176541Z Writing 'reference/to_arrow.html'
2021-11-28T07:10:39.0188924Z Reading 'man/to_duckdb.Rd'
2021-11-28T12:04:21.2680962Z ##[error]The operation was canceled.

FYI: You can see timestamp by "Toggle timestamps" in the hamburger button located at the right of the "View row log" button.

cc: @jonkeane @ianmcook

Reporter: Kouhei Sutou / @kou

Related issues:

• [R] [CI] Use dev duckdb to build with < 8GB or ram (is duplicated by)

_{Note: This issue was originally created as ARROW-14896. Please see the migration documentation for further details.}

[asfimport]

Kouhei Sutou / @kou:
ARROW-14910 will fix this.