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###
### Running command:
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###   /home/biocbuild/R/R/bin/R CMD build --keep-empty-dirs --no-resave-data SCArray
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* checking for file ‘SCArray/DESCRIPTION’ ... OK
* preparing ‘SCArray’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘Overview.Rmd’ using rmarkdown
--- finished re-building ‘Overview.Rmd’

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

Quitting from SCArray.Rmd:173-178 [unnamed-chunk-9]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! non-numeric argument to binary operator
---
Backtrace:
     ▆
  1. ├─BiocSingular::runPCA(sce)
  2. └─scater::runPCA(sce)
  3.   └─scater (local) .local(x, ...)
  4.     ├─scater::calculatePCA(y, ...)
  5.     └─scater::calculatePCA(y, ...)
  6.       └─scater (local) .local(x, ...)
  7.         └─scater:::.calculate_pca(mat, transposed = !is.null(dimred), ...)
  8.           └─scater:::.get_mat_for_reddim(...)
  9.             ├─MatrixGenerics::rowVars(DelayedArray(x), useNames = TRUE)
 10.             └─MatrixGenerics::rowVars(DelayedArray(x), useNames = TRUE)
 11.               └─SCArray:::.x_row_vars(x, na.rm, center, ...)
 12.                 └─SCArray:::.parallel_col_reduce(...)
 13.                   └─DelayedArray::blockReduce(...)
 14.                     └─DelayedArray::gridReduce(...)
 15.                       └─DelayedArray (local) FUN(viewport, init, ...)
 16.                         └─S4Arrays::read_block(x, viewport, as.sparse = as.sparse)
 17.                           └─S4Arrays:::.read_block(x, viewport, as.sparse = as.sparse)
 18.                             ├─SparseArray::read_block_as_sparse(x, viewport)
 19.                             └─SparseArray::read_block_as_sparse(x, viewport)
 20.                               ├─SparseArray::extract_sparse_array(x, Nindex)
 21.                               └─DelayedArray::extract_sparse_array(x, Nindex)
 22.                                 ├─SparseArray::extract_sparse_array(x@seed, index)
 23.                                 └─DelayedArray::extract_sparse_array(x@seed, index)
 24.                                   ├─SparseArray::extract_sparse_array(x@seed, index)
 25.                                   └─DelayedArray::extract_sparse_array(x@seed, index)
 26.                                     ├─SparseArray::extract_sparse_array(x@seed, seed_index)
 27.                                     └─DelayedArray::extract_sparse_array(x@seed, seed_index)
 28.                                       ├─BiocGenerics::do.call(x@OP, c(Largs, list(svt), Rargs))
 29.                                       └─base::do.call(x@OP, c(Largs, list(svt), Rargs))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'SCArray.Rmd' failed with diagnostics:
non-numeric argument to binary operator
--- failed re-building ‘SCArray.Rmd’

SUMMARY: processing the following file failed:
  ‘SCArray.Rmd’

Error: Vignette re-building failed.
Execution halted