Error(s) in re-building vignettes:
  ...
--- re-building 'readabs_vignette.Rmd' using rmarkdown
trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.191/$file/634501.xls'
Content type 'application/vnd.ms-excel' length 96256 bytes (94 KB)
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downloaded 94 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.192/$file/634502a.xls'
Content type 'application/vnd.ms-excel' length 69120 bytes (67 KB)
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downloaded 67 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.193/$file/634502b.xls'
Content type 'application/vnd.ms-excel' length 110080 bytes (107 KB)
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downloaded 107 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.194/$file/634503a.xls'
Content type 'application/vnd.ms-excel' length 69120 bytes (67 KB)
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downloaded 67 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.195/$file/634503b.xls'
Content type 'application/vnd.ms-excel' length 109056 bytes (106 KB)
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downloaded 106 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.196/$file/634504a.xls'
Content type 'application/vnd.ms-excel' length 69120 bytes (67 KB)
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downloaded 67 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.197/$file/634504b.xls'
Content type 'application/vnd.ms-excel' length 110080 bytes (107 KB)
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downloaded 107 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.198/$file/634505a.xls'
Content type 'application/vnd.ms-excel' length 198656 bytes (194 KB)
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downloaded 194 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.199/$file/634505b.xls'
Content type 'application/vnd.ms-excel' length 390144 bytes (381 KB)
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downloaded 381 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1910/$file/634507a.xls'
Content type 'application/vnd.ms-excel' length 58368 bytes (57 KB)
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downloaded 57 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1911/$file/634507b.xls'
Content type 'application/vnd.ms-excel' length 86528 bytes (84 KB)
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downloaded 84 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1912/$file/634508a.xls'
Content type 'application/vnd.ms-excel' length 69632 bytes (68 KB)
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downloaded 68 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1913/$file/634508b.xls'
Content type 'application/vnd.ms-excel' length 110592 bytes (108 KB)
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downloaded 108 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1914/$file/634509a.xls'
Content type 'application/vnd.ms-excel' length 198656 bytes (194 KB)
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downloaded 194 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1915/$file/634509b.xls'
Content type 'application/vnd.ms-excel' length 391680 bytes (382 KB)
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downloaded 382 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1916/$file/63450table2bto9b.xls'
Content type 'application/vnd.ms-excel' length 314368 bytes (307 KB)
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downloaded 307 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6345.0Time+Series+Spreadsheet13.11.1917/$file/63450table2ato9a.xls'
Content type 'application/vnd.ms-excel' length 256512 bytes (250 KB)
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downloaded 250 KB

trying URL 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6202.0Time+Series+Spreadsheet23.01.2010/$file/6202001.xls'
Content type 'application/vnd.ms-excel' length 1167360 bytes (1.1 MB)
=
downloaded 31 KB

Quitting from lines 101-106 (readabs_vignette.Rmd) 
Error: processing vignette 'readabs_vignette.Rmd' failed with diagnostics:
download from 'https://www.abs.gov.au/AUSSTATS/meisubs.nsf/lookupAttach/6202.0Time+Series+Spreadsheet23.01.2010/$file/6202001.xls' failed
--- failed re-building 'readabs_vignette.Rmd'

SUMMARY: processing the following file failed:
  'readabs_vignette.Rmd'

Error: Vignette re-building failed.
Execution halted