Running 'test-chud.R' [1s]
  Running 'test-gradients.R' [0s]
  Running 'test-indep-mh.R' [2s]
  Running 'test-misc.R' [0s]
  Running 'test-samplers.R' [1s]
Running the tests in 'tests/test-samplers.R' failed.
Complete output:
  > # From SamplerCompare, (c) 2010 Madeleine Thompson
  > 
  > # This script makes sure that all the samplers exported in NAMESPACE
  > # can draw a 500-state sample from a simple 2D Gaussian implemented
  > # in both R and C, and that they generate results that are not horribly
  > # wrong.
  > 
  > # Since this has to run every time the package is checked, the chain
  > # length must be short.
  > 
  > library(SamplerCompare)
  Loading required package: mvtnorm
  > 
  > all.samplers <- list(
  +   shrinking.rank.sample, nonadaptive.crumb.sample,
  +   stepout.slice.sample, interval.slice.sample, hyperrectangle.sample,
  +   nograd.hyperrectangle.sample, arms.sample, cov.match.sample,
  +   multivariate.metropolis.sample, univar.metropolis.sample,
  +   adaptive.metropolis.sample, univar.eigen.sample, cheat.univar.eigen.sample,
  +   oblique.hyperrect.sample, cheat.oblique.hyperrect.sample)
  > 
  > # Use a second core if synchronicity package is available.  In production,
  > # we would only do this if we were on a multi-core system, but it's
  > # better to lose some efficiency here and guarantee the code path is
  > # tested.  If we wanted to know the actual number of cores, the best
  > # way to find it is parallel:::detectCores().
  > 
  > has.synchronicity <- 'synchronicity' %in% installed.packages()[,'Package']
  > if (has.synchronicity) {
  +   cores <- 2
  + } else {
  +   cores <- 1
  + }
  > 
  > RS <- compare.samplers(700, list(N2weakcor.dist), all.samplers,
  +                        burn.in=0.7, cores=cores)
  Simulation started at 2018-08-24 07:46:54.
  Writing results to D:\temp\RtmpMD0dvX\compare.samplers219d46b0d76.
  Error in parallel::mclapply(1:nrow(jobs), eval.sampler.job.id, mc.preschedule = FALSE,  : 
    'mc.cores' > 1 is not supported on Windows
  Calls: compare.samplers -> <Anonymous>
  Execution halted