Error(s) in re-building vignettes:
--- re-building 'anchors.Rnw' using Sweave
Loading required package: rgenoud
##  rgenoud (Version 5.8-3.0, Build Date: 2019-01-22)
##  See http://sekhon.berkeley.edu/rgenoud for additional documentation.
##  Please cite software as:
##   Walter Mebane, Jr. and Jasjeet S. Sekhon. 2011.
##   ``Genetic Optimization Using Derivatives: The rgenoud package for R.''
##   Journal of Statistical Software, 42(11): 1-26. 
##

Loading required package: MASS

##  anchors (Version 3.0-8, Build Date: 2014-02-24)
##  See http://wand.stanford.edu/anchors for additional documentation and support.


--- finished re-building 'anchors.Rnw'

pdflatex anchors
This is pdfTeX, Version 3.141592653-2.6-1.40.22 (MiKTeX 21.6.28)
entering extended mode
(anchors.tex
LaTeX2e <2021-06-01> patch level 1
L3 programming layer <2021-06-18>
(C:\Program Files\MiKTeX 2.9\tex/latex/amscls\amsart.cls
Document Class: amsart 2020/05/29 v2.20.6
(C:\Program Files\MiKTeX 2.9\tex/latex/amsmath\amsmath.sty
For additional information on amsmath, use the `?' option.
(C:\Program Files\MiKTeX 2.9\tex/latex/amsmath\amstext.sty
(C:\Program Files\MiKTeX 2.9\tex/latex/amsmath\amsgen.sty))
(C:\Program Files\MiKTeX 2.9\tex/latex/amsmath\amsbsy.sty)
(C:\Program Files\MiKTeX 2.9\tex/latex/amsmath\amsopn.sty))
(C:\Program Files\MiKTeX 2.9\tex/latex/amsfonts\umsa.fd)
(C:\Program Files\MiKTeX 2.9\tex/latex/amsfonts\amsfonts.sty))
(C:\Users\tomas\AppData\Roaming\MiKTeX\2.9\tex/latex/natbib\natbib.sty)
(C:\Program Files\MiKTeX 2.9\tex/latex/psnfss\times.sty)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xy.sty
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xy.tex Bootstrap'ing: catcodes,
docmode, (C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xyrecat.tex)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xyidioms.tex)

 Xy-pic version 3.8.9 <2013/10/06>
 Copyright (c) 1991-2013 by Kristoffer H. Rose <krisrose@tug.org> and others
 Xy-pic is free software: see the User's Guide for details.

Loading kernel: messages; fonts; allocations: state, direction,
utility macros; pictures: \xy, positions, objects, decorations;
kernel objects: directionals, circles, text; options; algorithms: directions,
edges, connections;  Xy-pic loaded)
(C:\Users\tomas\AppData\Roaming\MiKTeX\2.9\tex/generic/iftex\ifpdf.sty
(C:\Users\tomas\AppData\Roaming\MiKTeX\2.9\tex/generic/iftex\iftex.sty))
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xyall.tex
 Xy-pic option: All features v.3.8
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xycurve.tex
 Xy-pic option: Curve and Spline extension v.3.12 curve, circles, loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xyframe.tex
 Xy-pic option: Frame and Bracket extension v.3.14 loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xycmtip.tex
 Xy-pic option: Computer Modern tip extension v.3.7
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xytips.tex
 Xy-pic option: More Tips extension v.3.11 loaded) loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xyline.tex
 Xy-pic option: Line styles extension v.3.10 loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xyrotate.tex
 Xy-pic option: Rotate and Scale extension v.3.8 loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xycolor.tex
 Xy-pic option: Colour extension v.3.11 loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xymatrix.tex
 Xy-pic option: Matrix feature v.3.14 loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xyarrow.tex
 Xy-pic option: Arrow and Path feature v.3.9 path, \ar, loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xygraph.tex
 Xy-pic option: Graph feature v.3.11 loaded) loaded)
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xypdf.tex
 Xy-pic option: PDF driver v.1.7 Xy-pic pdf driver: `color' extension support
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xypdf-co.tex loaded)
Xy-pic pdf driver: `curve' extension support
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xypdf-cu.tex loaded)
Xy-pic pdf driver: `frame' extension support
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xypdf-fr.tex loaded)
Xy-pic pdf driver: `line' extension support
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xypdf-li.tex loaded)
Xy-pic pdf driver: `rotate' extension support
(C:\Program Files\MiKTeX 2.9\tex/generic/xypic\xypdf-ro.tex loaded) loaded))
(C:\Users\tomas\AppData\Roaming\MiKTeX\2.9\tex/latex/url\url.sty)

! LaTeX Error: File `Sweave.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

Enter file name: 
! Emergency stop.
<read *> 
         
l.78 \begin
           {document}
!  ==> Fatal error occurred, no output PDF file produced!
Transcript written on anchors.log.
make: *** [Makefile:13: anchors.pdf] Error 1
Error in tools:::buildVignettes(dir = "P:/pkgcheck/CRAN/anchors/anchors.Rcheck/vign_test/anchors",  : 
  running 'make' failed
Execution halted