Running 'allier.R'
  Comparing 'allier.Rout' to 'allier.Rout.save' ... OK
  Running 'blockkr.R'
  Comparing 'blockkr.Rout' to 'blockkr.Rout.save' ... OK
  Running 'covtable.R'
  Comparing 'covtable.Rout' to 'covtable.Rout.save' ... OK
  Running 'cv.R'
  Comparing 'cv.Rout' to 'cv.Rout.save' ... OK
  Running 'cv3d.R'
  Comparing 'cv3d.Rout' to 'cv3d.Rout.save' ... OK
  Running 'fit.R'
  Comparing 'fit.Rout' to 'fit.Rout.save' ... OK
  Running 'krige0.R'
  Comparing 'krige0.Rout' to 'krige0.Rout.save' ... OK
  Running 'line.R'
  Comparing 'line.Rout' to 'line.Rout.save' ... OK
  Running 'merge.R'
  Comparing 'merge.Rout' to 'merge.Rout.save' ... OK
  Running 'na.action.R'
  Comparing 'na.action.Rout' to 'na.action.Rout.save' ... OK
  Running 'rings.R'
  Comparing 'rings.Rout' to 'rings.Rout.save' ... OK
  Running 'sim.R'
  Comparing 'sim.Rout' to 'sim.Rout.save' ... OK
  Running 'stars.R'
Running the tests in 'tests/stars.R' failed.
Complete output:
  > Sys.setenv(TZ = "UTC")
  > 
  > # 0. using sp:
  > 
  > suppressPackageStartupMessages(library(sp))
  > demo(meuse, ask = FALSE)
  
  
  	demo(meuse)
  	---- ~~~~~
  
  > require(sp)
  
  > crs = CRS("+init=epsg:28992")
  
  > data("meuse")
  
  > coordinates(meuse) <- ~x+y
  
  > proj4string(meuse) <- crs
  
  > data("meuse.grid")
  
  > coordinates(meuse.grid) <- ~x+y
  
  > gridded(meuse.grid) <- TRUE
  
  > proj4string(meuse.grid) <- crs
  
  > data("meuse.riv")
  
  > meuse.riv <- SpatialPolygons(list(Polygons(list(Polygon(meuse.riv)),"meuse.riv")))
  
  > proj4string(meuse.riv) <- crs
  
  > data("meuse.area")
  
  > meuse.area = SpatialPolygons(list(Polygons(list(Polygon(meuse.area)), "area")))
  
  > proj4string(meuse.area) <- crs
  Warning message:
  In showSRID(uprojargs, format = "PROJ", multiline = "NO", prefer_proj = prefer_proj) :
    Discarded datum Amersfoort in Proj4 definition
  > suppressPackageStartupMessages(library(gstat))
  > v = variogram(log(zinc)~1, meuse)
  > (v.fit = fit.variogram(v, vgm(1, "Sph", 900, 1)))
    model      psill    range
  1   Nug 0.05066243   0.0000
  2   Sph 0.59060780 897.0209
  > k_sp = krige(log(zinc)~1, meuse[-(1:5),], meuse[1:5,], v.fit)
  [using ordinary kriging]
  > k_sp_grd = krige(log(zinc)~1, meuse, meuse.grid, v.fit)
  [using ordinary kriging]
  > 
  > # 1. using sf:
  > suppressPackageStartupMessages(library(sf))
  Error in library(sf) : there is no package called 'sf'
  Calls: suppressPackageStartupMessages -> withCallingHandlers -> library
  Execution halted