* using log directory ‘/builds/Rdatatable/data.table/data.table.Rcheck’
* using R version 3.5.0 (2018-04-23)
* using platform: x86_64-pc-linux-gnu (64-bit)
* using session charset: UTF-8
* using options ‘--no-manual --ignore-vignettes’
* checking for file ‘data.table/DESCRIPTION’ ... OK
* this is package ‘data.table’ version ‘1.18.99’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... NOTE
Package suggested but not available for checking: ‘xts’

Package which this enhances but not available for checking: ‘knitr’
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘data.table’ can be installed ... OK
* checking installed package size ... NOTE
  installed size is  8.6Mb
  sub-directories of 1Mb or more:
    doc     1.1Mb
    libs    2.3Mb
    po      1.7Mb
    tests   2.2Mb
* 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 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 ... 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 line endings in shell scripts ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking line endings in Makefiles ... OK
* checking compilation flags in Makevars ... OK
* checking for GNU extensions in Makefiles ... OK
* checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
* checking compiled code ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... SKIPPED
* checking examples ... OK
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ... ERROR
  Running ‘autoprint.R’
  Comparing ‘autoprint.Rout’ to ‘autoprint.Rout.save’ ...18,21d17
<        a
<    <int>
< 1:     1
< 2:     3
28,31d23
<        a
<    <int>
< 1:     1
< 2:     3
33,37d24
< Index: <a>
<        a
<    <int>
< 1:     1
< 2:     3
39,43d25
< Index: <a>
<        a
<    <int>
< 1:     1
< 2:     3
61,64d42
<        a
<    <int>
< 1:     1
< 2:     5
66,69d43
<        a
<    <int>
< 1:     1
< 2:     6
73,76d46
<        a
<    <int>
< 1:     1
< 2:     5
143,145d112
<        a
<    <int>
< 1:     9
151,154d117
<        a
<    <int>
< 1:    10
< 2:    10
156,159d118
<        a
<    <int>
< 1:    10
< 2:    10
161,164d119
<        a
<    <int>
< 1:    10
< 2:    10
210,212d164
<        x     y
<    <num> <num>
< 1:     1     1
  Running ‘froll.R’
  Running ‘litedown.R’
  Running ‘main.R’
  Running ‘mergelist.R’
  Running ‘nafill.R’
  Running ‘optimize.R’
  Running ‘other.R’
  Running ‘programming.R’
  Running ‘S4.R’
  Running ‘types.R’
Running the tests in ‘tests/main.R’ failed.
Complete output:
  > Sys.setenv(OMP_THREAD_LIMIT = Sys.getenv("OMP_THREAD_LIMIT", "2"))
  > require(data.table)
  Loading required package: data.table
  > 
  > test.data.table()  # runs the main test suite of 5,000+ tests in /inst/tests/tests.Rraw
  getDTthreads(verbose=TRUE):
    OpenMP version (_OPENMP)       201307
    omp_get_num_procs()            4
    R_DATATABLE_NUM_PROCS_PERCENT  unset (default 50)
    R_DATATABLE_NUM_THREADS        unset
    R_DATATABLE_THROTTLE           unset (default 1024)
    omp_get_thread_limit()         2147483647
    omp_get_max_threads()          4
    OMP_THREAD_LIMIT               2
    OMP_NUM_THREADS                unset
    RestoreAfterFork               true
    data.table is using 2 threads with throttle==1024. See ?setDTthreads.
  test.data.table() running: /builds/Rdatatable/data.table/data.table.Rcheck/data.table/tests/tests.Rraw
  
  **** Full long double accuracy is not available. Tests using this will be skipped.
  
  Test 2365.2 ran without errors but failed check that x equals y:
  > x = dcast(df_dcast, a ~ b, value.var = "v") 
     a  1  2  [Key=a Types=int,int,int Classes=fac,int,int]
  1: x  3 NA                                               
  2: y NA  4                                               
  > y = dcast(dt_dcast, a ~ b, value.var = "v") 
     a  1  2  [Key=a Types=cha,int,int Classes=cha,int,int]
  1: x  3 NA                                               
  2: y NA  4                                               
  Datasets have different column modes. First 3: a(numeric!=character)
  
  Sun Feb 15 04:38:05 2026  endian==little, sizeof(long double)==16, capabilities('long.double')==TRUE, longdouble.digits==NULL, sizeof(pointer)==8, TZ=='UTC', Sys.timezone()=='UTC', Sys.getlocale()=='LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C', l10n_info()=='MBCS=TRUE; UTF-8=TRUE; Latin-1=FALSE', getDTthreads()=='OpenMP version (_OPENMP)==201307; omp_get_num_procs()==4; R_DATATABLE_NUM_PROCS_PERCENT==unset (default 50); R_DATATABLE_NUM_THREADS==unset; R_DATATABLE_THROTTLE==unset (default 1024); omp_get_thread_limit()==2147483647; omp_get_max_threads()==4; OMP_THREAD_LIMIT==2; OMP_NUM_THREADS==unset; RestoreAfterFork==true; data.table is using 2 threads with throttle==1024. See ?setDTthreads.', .libPaths()=='/builds/Rdatatable/data.table/data.table.Rcheck','/usr/local/lib/R/library', zlibVersion()==1.2.8 ZLIB_VERSION==1.2.8
  Error in test.data.table() : 
    1 error out of 12645. Search tests/tests.Rraw for test number 2365.2. Duration: 38.1s elapsed (40.7s cpu).
  Calls: test.data.table -> stopf -> raise_condition -> signal
  Execution halted
* DONE
Status: 1 ERROR, 2 NOTEs