* using log directory 'd:/Rcompile/CRANpkg/local/3.5/eqn2svg.Rcheck' * using R version 3.5.3 (2019-03-11) * using platform: x86_64-w64-mingw32 (64-bit) * using session charset: ISO8859-1 * checking for file 'eqn2svg/DESCRIPTION' ... OK * this is package 'eqn2svg' version '0.1.0' * package encoding: UTF-8 * checking package namespace information ... OK * checking package dependencies ... OK * 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 'eqn2svg' can be installed ... OK * checking installed package size ... OK * 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 ... [3s] OK * 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 ... OK * checking data for ASCII and uncompressed saves ... OK * checking examples ... ERROR Running examples in 'eqn2svg-Ex.R' failed The error most likely occurred in: > ### Name: eqn2svg > ### Title: Convert a LaTeX math formula to an SVG object > ### Aliases: eqn2svg > > ### ** Examples > > # Take LaTeX code for the Heaviside > # Function and convert that to SVG > heaviside <- + eqn2svg( + eqn = l_time_domain[25], + preview = FALSE + ) Warning in file(con, "r") : InternetOpenUrl failed: 'Die Serververbindung konnte nicht hergestellt werden.' Error in file(con, "r") : cannot open the connection Calls: eqn2svg -> readLines -> file Execution halted * checking for unstated dependencies in 'tests' ... OK * checking tests ... [3s] ERROR Running 'testthat.R' [3s] Running the tests in 'tests/testthat.R' failed. Complete output: > library(testthat) > library(eqn2svg) > > test_check("eqn2svg") -- 1. Error: SVG conversion works (@test-eqn2svg.R#3) ------------------------- cannot open the connection Backtrace: 1. eqn2svg::eqn2svg(eqn = l_time_domain[25], preview = FALSE) 2. base::readLines(url, warn = FALSE) 3. base::file(con, "r") == testthat results =========================================================== [ OK: 0 | SKIPPED: 0 | WARNINGS: 1 | FAILED: 1 ] 1. Error: SVG conversion works (@test-eqn2svg.R#3) Error: testthat unit tests failed Execution halted * checking PDF version of manual ... OK * DONE Status: 2 ERRORs