* using log directory 'd:/Rcompile/CRANpkg/local/3.2/leaflet.Rcheck'
* using R version 3.2.5 (2016-04-14)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'leaflet/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'leaflet' version '1.1.0'
* checking package namespace information ... OK
* checking package dependencies ... NOTE
Package suggested but not available for checking: 'sf'
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'leaflet' can be installed ... OK
* checking installed package size ... NOTE
  installed size is  5.4Mb
  sub-directories of 1Mb or more:
    htmlwidgets   4.3Mb
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... NOTE
leafletProxy: no visible global function definition for 'startsWith'
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking contents of 'data' directory ... OK
* checking data for non-ASCII characters ... NOTE
  Note: found 12 marked UTF-8 strings
* checking data for ASCII and uncompressed saves ... OK
* checking examples ... [24s] OK
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... ERROR
Running the tests in 'tests/testthat.R' failed.
Last 13 lines of output:
  Type 'demo()' for some demos, 'help()' for on-line help, or
  'help.start()' for an HTML browser interface to help.
  Type 'q()' to quit R.
  
  > library(testthat)
  > library(leaflet)
  > 
  > test_check("leaflet")
  Error in library(sf) : there is no package called 'sf'
  Calls: test_check ... with_reporter -> force -> source_file -> eval -> eval -> library
  testthat results ================================================================
  OK: 41 SKIPPED: 0 FAILED: 0
  Execution halted
* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR, 4 NOTEs