Running 'spelling.R' [0s]
  Running 'testthat.R' [502s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > options(testthat.progress.max_fails = 100)
  > library(testthat)
  > library(greta)
  
  Attaching package: 'greta'
  
  The following objects are masked from 'package:stats':
  
      binomial, cov2cor, poisson
  
  The following objects are masked from 'package:base':
  
      %*%, apply, backsolve, beta, chol2inv, colMeans, colSums, diag,
      eigen, forwardsolve, gamma, identity, rowMeans, rowSums, sweep,
      tapply
  
  > test_check("greta")
  ℹ Initialising python and checking dependencies, this may take a moment.
  ✔ Initialising python and checking dependencies ... done!
  
  
  WARNING:tensorflow:
  The TensorFlow contrib module will not be included in TensorFlow 2.0.
  For more information, please see:
    * https://github.com/tensorflow/community/blob/master/rfcs/20180907-contrib-sunset.md
    * https://github.com/tensorflow/addons
    * https://github.com/tensorflow/io (for I/O related ops)
  If you depend on functionality not listed there, please file an issue.
  
  
  running 4 chains simultaneously on up to 2 cores
  
      warmup                                             0/50 | eta:  ?s          
      warmup ========================================== 50/50 | eta:  0s          
  
    sampling                                             0/50 | eta:  ?s          
    sampling ========================================== 50/50 | eta:  0s          
  running 2 samplers in parallel, each on 1 core
  
  
  i Installing python modules into 'greta-env' conda environment, this may take...
  x Installing python modules into 'greta-env' conda environment, this may take...
  
  [ FAIL 1 | WARN 0 | SKIP 144 | PASS 1038 ]
  
  ══ Skipped tests ═══════════════════════════════════════════════════════════════
  • On CRAN (66)
  • check_tf_version() is not TRUE (78)
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure ('test_distributions.R:418:3'): dirichlet distribution has correct density ──
  `are_all_true` is not TRUE
  
  `actual`:   FALSE
  `expected`: TRUE 
  Backtrace:
      ▆
   1. └─greta:::compare_distribution(...) at test_distributions.R:418:2
   2.   └─greta:::compare_op(r_log_density, greta_log_density, tolerance) at D:\RCompile\CRANpkg\local\4.4\greta.Rcheck\tests\testthat\helpers.R:78:2
   3.     └─testthat::expect_true(are_all_true)
  
  [ FAIL 1 | WARN 0 | SKIP 144 | PASS 1038 ]
  Error: Test failures
  Execution halted