Package check result: ERROR

Check: examples, Result: ERROR
  Running examples in ‘almanac-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: adjustments
  > ### Title: Date adjustments
  > ### Aliases: adjustments adj_following adj_preceding adj_modified_following
  > ###   adj_modified_preceding adj_nearest adj_none
  > 
  > ### ** Examples
  > 
  > # A Saturday
  > x <- as.Date("1970-01-03")
  > 
  > on_weekends <- weekly() %>% recur_on_weekends()
  > 
  > # Adjust forward to Monday
  > adj_following(x, on_weekends)
  
  
  #
  # Fatal error in , line 0
  # Check failed: isolate_->IsOnCentralStack().
  #
  #
  #
  #FailureMessage Object: 0x7ffe85083370
  ==== C stack trace ===============================
  
      /home/hornik/tmp/R-d-clang-xtra/bin/exec/R(___interceptor_backtrace+0x4a) [0x55f08901daea]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(v8::base::debug::StackTrace::StackTrace()+0x16) [0x7b52a8dbbe66]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xb96dc7) [0x7b52a7d96dc7]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(V8_Fatal(char const*, ...)+0x18b) [0x7b52a8da881b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf9544b) [0x7b52a819544b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf5e731) [0x7b52a815e731]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf31c89) [0x7b52a8131c89]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0x14b5088) [0x7b52a86b5088]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xa439b6) [0x7b52a7c439b6]
  Trace/breakpoint trap

Check: tests, Result: ERROR
    Running ‘testthat.R’ [2s/2s]
  Running the tests in ‘tests/testthat.R’ failed.
  Complete output:
    > # This file is part of the standard setup for testthat.
    > # It is recommended that you do not modify it.
    > #
    > # Where should you do additional test configuration?
    > # Learn more about the roles of various files in:
    > # * https://r-pkgs.org/tests.html
    > # * https://testthat.r-lib.org/reference/test_package.html#special-files
    > 
    > library(testthat)
    > library(almanac)
    > 
    > test_check("almanac")
    
    
    #
    # Fatal error in , line 0
    # Check failed: isolate_->IsOnCentralStack().
    #
    #
    #
    #FailureMessage Object: 0x7fffa595cbd0
    ==== C stack trace ===============================
    
        /home/hornik/tmp/R-d-clang-xtra/bin/exec/R(___interceptor_backtrace+0x4a) [0x5587e4772aea]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(v8::base::debug::StackTrace::StackTrace()+0x16) [0x7b62b97bbe66]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xb96dc7) [0x7b62b8796dc7]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(V8_Fatal(char const*, ...)+0x18b) [0x7b62b97a881b]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf9544b) [0x7b62b8b9544b]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf5e731) [0x7b62b8b5e731]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf316ab) [0x7b62b8b316ab]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf41e7c) [0x7b62b8b41e7c]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0x1279837) [0x7b62b8e79837]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xd2367c) [0x7b62b892367c]
        /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xa438f6) [0x7b62b86438f6]
    Trace/breakpoint trap

Check: re-building of vignette outputs, Result: ERROR
  Error(s) in re-building vignettes:
    ...
  --- re-building ‘adjust-and-shift.Rmd’ using rmarkdown
  
  
  #
  # Fatal error in , line 0
  # Check failed: isolate_->IsOnCentralStack().
  #
  #
  #
  #FailureMessage Object: 0x7ffc1d480160
  ==== C stack trace ===============================
  
      /home/hornik/tmp/R-d-clang-xtra/bin/exec/R(___interceptor_backtrace+0x4a) [0x55ca8368daea]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(v8::base::debug::StackTrace::StackTrace()+0x16) [0x7b4590fbbe66]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xb96dc7) [0x7b458ff96dc7]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(V8_Fatal(char const*, ...)+0x18b) [0x7b4590fa881b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf9544b) [0x7b459039544b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf5e731) [0x7b459035e731]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf31c89) [0x7b4590331c89]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0x14b5088) [0x7b45908b5088]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xa439b6) [0x7b458fe439b6]
  Trace/breakpoint trap
  --- re-building ‘almanac.Rmd’ using rmarkdown
  
  
  #
  # Fatal error in , line 0
  # Check failed: isolate_->IsOnCentralStack().
  #
  #
  #
  #FailureMessage Object: 0x7ffe6f036960
  ==== C stack trace ===============================
  
      /home/hornik/tmp/R-d-clang-xtra/bin/exec/R(___interceptor_backtrace+0x4a) [0x55e36570daea]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(v8::base::debug::StackTrace::StackTrace()+0x16) [0x7bcd8bbbbe66]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xb96dc7) [0x7bcd8ab96dc7]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(V8_Fatal(char const*, ...)+0x18b) [0x7bcd8bba881b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf9544b) [0x7bcd8af9544b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf5e731) [0x7bcd8af5e731]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf31c89) [0x7bcd8af31c89]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0x14b5088) [0x7bcd8b4b5088]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xa439b6) [0x7bcd8aa439b6]
  Trace/breakpoint trap
  --- re-building ‘holidays-calendars.Rmd’ using rmarkdown
  
  
  #
  # Fatal error in , line 0
  # Check failed: isolate_->IsOnCentralStack().
  #
  #
  #
  #FailureMessage Object: 0x7ffdb8f0dfa0
  ==== C stack trace ===============================
  
      /home/hornik/tmp/R-d-clang-xtra/bin/exec/R(___interceptor_backtrace+0x4a) [0x561e9d377aea]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(v8::base::debug::StackTrace::StackTrace()+0x16) [0x7b69f85bbe66]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xb96dc7) [0x7b69f7596dc7]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(V8_Fatal(char const*, ...)+0x18b) [0x7b69f85a881b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf9544b) [0x7b69f799544b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf5e731) [0x7b69f795e731]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf31c89) [0x7b69f7931c89]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0x14b5088) [0x7b69f7eb5088]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xa439b6) [0x7b69f74439b6]
  Trace/breakpoint trap
  --- re-building ‘icalendar.Rmd’ using rmarkdown
  
  
  #
  # Fatal error in , line 0
  # Check failed: isolate_->IsOnCentralStack().
  #
  #
  #
  #FailureMessage Object: 0x7ffde29e0a20
  ==== C stack trace ===============================
  
      /home/hornik/tmp/R-d-clang-xtra/bin/exec/R(___interceptor_backtrace+0x4a) [0x56474ca61aea]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(v8::base::debug::StackTrace::StackTrace()+0x16) [0x7b27757bbe66]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xb96dc7) [0x7b2774796dc7]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(V8_Fatal(char const*, ...)+0x18b) [0x7b27757a881b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf9544b) [0x7b2774b9544b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf5e731) [0x7b2774b5e731]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf31c89) [0x7b2774b31c89]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0x14b5088) [0x7b27750b5088]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xa439b6) [0x7b27746439b6]
  Trace/breakpoint trap
  --- re-building ‘quarterly.Rmd’ using rmarkdown
  
  
  #
  # Fatal error in , line 0
  # Check failed: isolate_->IsOnCentralStack().
  #
  #
  #
  #FailureMessage Object: 0x7ffcf9d24d40
  ==== C stack trace ===============================
  
      /home/hornik/tmp/R-d-clang-xtra/bin/exec/R(___interceptor_backtrace+0x4a) [0x56117f41faea]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(v8::base::debug::StackTrace::StackTrace()+0x16) [0x7b6e7b9bbe66]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xb96dc7) [0x7b6e7a996dc7]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(V8_Fatal(char const*, ...)+0x18b) [0x7b6e7b9a881b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf9544b) [0x7b6e7ad9544b]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf5e731) [0x7b6e7ad5e731]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xf31c89) [0x7b6e7ad31c89]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0x14b5088) [0x7b6e7b2b5088]
      /usr/lib/x86_64-linux-gnu/libnode.so.137(+0xa439b6) [0x7b6e7a8439b6]
  Trace/breakpoint trap
  SUMMARY: processing the following files failed:
    ‘adjust-and-shift.Rmd’ ‘almanac.Rmd’ ‘holidays-calendars.Rmd’
    ‘icalendar.Rmd’ ‘quarterly.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted