Error(s) in re-building vignettes:
--- re-building ‘gaawr2.Rmd’ using rmarkdown
running: bash  -c "export message=\"Hello, world!\"
echo \"print('\$message')\" > hello.R
R CMD BATCH hello.R
R --no-save -q < hello.R
R --no-save -q <<END
message <- Sys.getenv(\"message\"); print(message)
source(\"hello.R\")
END
echo \${message} | \\
Rscript -e '
message <- scan(\"stdin\", what=\"\", sep=\"\\n\", quiet=TRUE);
write.table(message, col.names=FALSE, row.names=FALSE,
            quote=FALSE)
' | \\
cat
rm hello.*"
** Processing: gaawr2/diabetes-1.png
1344x1152 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 59316 bytes
Input file size = 59478 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 53132
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5		IDAT size = 49235
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 5		IDAT size = 49235

Output IDAT size = 49235 bytes (10081 bytes decrease)
Output file size = 49313 bytes (10165 bytes = 17.09% decrease)

** Processing: gaawr2/hwe-1.png
2995x2893 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 277572 bytes
Input file size = 278046 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 214698
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 212652
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 212652

Output IDAT size = 212652 bytes (64920 bytes decrease)
Output file size = 212730 bytes (65316 bytes = 23.49% decrease)

** Processing: gaawr2/eqtl-1.png
1536x1152 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 98691 bytes
Input file size = 98913 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 97103
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5		IDAT size = 92921
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 5		IDAT size = 92921

Output IDAT size = 92921 bytes (5770 bytes decrease)
Output file size = 92999 bytes (5914 bytes = 5.98% decrease)

--- finished re-building ‘gaawr2.Rmd’

--- re-building ‘web.Rmd’ using rmarkdown
Could not fetch http://www.zotero.org/styles/nature
HttpExceptionRequest Request {
  host                 = "www.zotero.org"
  port                 = 80
  secure               = False
  requestHeaders       = []
  path                 = "/styles/nature"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
  proxySecureMode      = ProxySecureWithConnect
}
 ConnectionTimeout
Error: processing vignette 'web.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘web.Rmd’

SUMMARY: processing the following file failed:
  ‘web.Rmd’

Error: Vignette re-building failed.
Execution halted