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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data triplex
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* checking for file ‘triplex/DESCRIPTION’ ... OK
* preparing ‘triplex’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘triplex.Rnw’ using Sweave
Loading required package: S4Vectors
Loading required package: stats4
Loading required package: BiocGenerics

Attaching package: ‘BiocGenerics’

The following objects are masked from ‘package:stats’:

    IQR, mad, sd, var, xtabs

The following objects are masked from ‘package:base’:

    Filter, Find, Map, Position, Reduce, anyDuplicated, append,
    as.data.frame, basename, cbind, colnames, dirname, do.call,
    duplicated, eval, evalq, get, grep, grepl, intersect, is.unsorted,
    lapply, mapply, match, mget, order, paste, pmax, pmax.int, pmin,
    pmin.int, rank, rbind, rownames, sapply, setdiff, sort, table,
    tapply, union, unique, unsplit, which.max, which.min


Attaching package: ‘S4Vectors’

The following objects are masked from ‘package:base’:

    I, expand.grid, unname

Loading required package: IRanges
Loading required package: XVector
Loading required package: Biostrings
Loading required package: GenomeInfoDb

Attaching package: ‘Biostrings’

The following object is masked from ‘package:base’:

    strsplit

Warning: replacing previous import ‘grid::pattern’ by ‘Biostrings::pattern’ when loading ‘triplex’
NOTICE: There was no triplexes found with the given options.
TIP: Try to modify search options (p_value, min_score, etc.),
     for details see ?triplex.search.
Warning in triplex.search(seq, iso_pen = 2) :
  Default penalization options were changed. You should consider recalculation
			of P-value constants (mu, lambda, rn). For details see vignette.

Error: processing vignette 'triplex.Rnw' failed with diagnostics:
 chunk 13 
Error in library(rtracklayer) : there is no package called ‘rtracklayer’

--- failed re-building ‘triplex.Rnw’

SUMMARY: processing the following file failed:
  ‘triplex.Rnw’

Error: Vignette re-building failed.
Execution halted