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
1536x1152 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 64039 bytes
Input file size = 64198 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0
  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 = 62264
  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 = 62264

Output IDAT size = 62264 bytes (1775 bytes decrease)
Output file size = 62339 bytes (1859 bytes = 2.90% decrease)

** Processing: gaawr2/hwe-1.png
1920x1536 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 168050 bytes
Input file size = 168365 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 126018
  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
  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 = 0		IDAT size = 126018

Output IDAT size = 126018 bytes (42032 bytes decrease)
Output file size = 126093 bytes (42272 bytes = 25.11% decrease)

** Processing: gaawr2/eqtl-1.png
1536x1152 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 109134 bytes
Input file size = 109365 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 105725
  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
  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 = 0		IDAT size = 105725

Output IDAT size = 105725 bytes (3409 bytes decrease)
Output file size = 105800 bytes (3565 bytes = 3.26% decrease)


Quitting from gaawr2.Rmd:470-513 [ot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! lexical error: invalid char in json text.
                                       <html><head> <meta http-equiv="
                     (right here) ------^
---
Backtrace:
    ▆
 1. └─jsonlite::fromJSON(data)
 2.   └─jsonlite:::parse_and_simplify(...)
 3.     └─jsonlite:::parseJSON(txt, bigint_as_char)
 4.       └─jsonlite:::parse_string(txt, bigint_as_char)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gaawr2.Rmd' failed with diagnostics:
lexical error: invalid char in json text.
                                       <html><head> <meta http-equiv="
                     (right here) ------^

--- failed re-building ‘gaawr2.Rmd’

--- re-building ‘web.Rmd’ using rmarkdown
[WARNING] Citeproc: citation tsv not found
--- finished re-building ‘web.Rmd’

SUMMARY: processing the following file failed:
  ‘gaawr2.Rmd’

Error: Vignette re-building failed.
Execution halted