Error(s) in re-building vignettes:
  ...
--- re-building ‘Applications.Rmd’ using rmarkdown

Quitting from Applications.Rmd:59-86 [nars]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
NULL
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Applications.Rmd' failed with diagnostics:
`x` and `y` must share the same src.
ℹ `x` is a <tbl_df/tbl/data.frame> object.
ℹ `y` is a list.
ℹ Set `copy = TRUE` if `y` can be copied to the same source as `x` (may be
  slow).
--- failed re-building ‘Applications.Rmd’

--- re-building ‘Introduction.Rmd’ using rmarkdown

Quitting from Introduction.Rmd:46-49 [API]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `open.connection()`:
! cannot open the connection to 'https://api.epa.gov/StreamCat/streams/metrics?name=fert&areaOfInterest=cat&comid=179'
---
Backtrace:
    ▆
 1. └─jsonlite::fromJSON("https://api.epa.gov/StreamCat/streams/metrics?name=fert&areaOfInterest=cat&comid=179")
 2.   └─jsonlite:::parse_and_simplify(...)
 3.     └─jsonlite:::parseJSON(txt, bigint_as_char)
 4.       └─jsonlite:::parse_con(txt, bigint_as_char)
 5.         ├─base::open(con, "rb")
 6.         └─base::open.connection(con, "rb")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Introduction.Rmd' failed with diagnostics:
cannot open the connection to 'https://api.epa.gov/StreamCat/streams/metrics?name=fert&areaOfInterest=cat&comid=179'
--- failed re-building ‘Introduction.Rmd’

--- re-building ‘LakeCat.Rmd’ using rmarkdown

Quitting from LakeCat.Rmd:73-76 [get_metric_names]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `names(results) <- names_new`:
! attempt to set an attribute on NULL
---
Backtrace:
    ▆
 1. └─StreamCatTools::lc_get_metric_names(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'LakeCat.Rmd' failed with diagnostics:
attempt to set an attribute on NULL
--- failed re-building ‘LakeCat.Rmd’

SUMMARY: processing the following files failed:
  ‘Applications.Rmd’ ‘Introduction.Rmd’ ‘LakeCat.Rmd’

Error: Vignette re-building failed.
Execution halted