Errors in running code in vignettes:
when running code in 'trackeR.Rnw'

> options(width = 70, prompt = "R> ", continue = "+  ", 
+     useFancyQuotes = FALSE)

> library("trackeR")
Loading required package: zoo

Attaching package: 'zoo'

The following objects are masked from 'package:base':

    as.Date, as.Date.numeric


Attaching package: 'trackeR'

The following object is masked from 'package:base':

    append


> library("ggplot2")

> data("runs", package = "trackeR")

> set.seed(403)

> cache <- FALSE

> filepath <- system.file("extdata/tcx", "2013-06-01-183220.TCX.gz", 
+     package = "trackeR")

> runDF <- readTCX(file = filepath, timezone = "GMT")

> str(runDF)
'data.frame':	3881 obs. of  11 variables:
 $ time           : POSIXct, format: "2013-06-01 17:32:20" ...
 $ latitude       : num  50.8 50.8 50.8 50.8 50.8 ...
 $ longitude      : num  -1.7 -1.7 -1.7 -1.7 -1.7 ...
 $ altitude       : num  83.4 83.8 84 83.8 83.6 ...
 $ distance       : num  1.26 3.3 7.12 11.12 16.76 ...
 $ heart_rate     : num  56 61 61 71 71 74 74 85 85 85 ...
 $ speed          : num  0.885 1.209 1.801 2.205 2.756 ...
 $ cadence_running: num  60 63 70 78 83 84 84 85 85 86 ...
 $ cadence_cycling: logi  NA NA NA NA NA NA ...
 $ power          : logi  NA NA NA NA NA NA ...
 $ temperature    : logi  NA NA NA NA NA NA ...
 - attr(*, "sport")= chr "running"
 - attr(*, "file")= chr "C:/msys64/home/tomas/ucrt3/svn/ucrt3/r_packages/pkgcheck/CRAN/trackeR/trackeR.Rcheck/trackeR/extdata/tcx/2013-0"| __truncated__

> runTr0 <- trackeRdata(runDF)
Warning in sanity_checks(dat = dat, silent = silent) :
  Observations with duplicated time stamps have been removed.
Warning in zoo(x = newdataStart, order.by = newtimesStart) :
  some methods for "zoo" objects do not work if the index entries in 'order.by' are not unique
Warning in zoo(x = newdataEnd, order.by = newtimesEnd) :
  some methods for "zoo" objects do not work if the index entries in 'order.by' are not unique

  When sourcing 'trackeR.R':
Error: indexes overlap
Execution halted

  'TourDetrackeR.Rmd' using 'UTF-8'... OK
  'trackeR.Rnw' using 'UTF-8'... failed