Running ‘testthat-a_m.R’ [21s/34s]
  Running ‘testthat-m_z.R’ [26s/38s]
Running the tests in ‘tests/testthat-a_m.R’ failed.
Complete output:
  > library(testthat)
  > library(merTools)
  Loading required package: arm
  Loading required package: MASS
  Loading required package: Matrix
  Loading required package: lme4
  
  arm (Version 1.11-2, built: 2020-7-27)
  
  Working directory is /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/merTools.Rcheck/tests
  
  > 
  > test_check("merTools", filter = "^[a-m]")
  ══ Skipped tests ═══════════════════════════════════════════════════════════════
  ● On CRAN (12)
  
  ══ Warnings ════════════════════════════════════════════════════════════════════
  ── Warning (???): findFormFuns works ───────────────────────────────────────────
  qr2rankMatrix(.): QR has negative diag(R) entries
  Backtrace:
   1. lme4::lFormula(...)
   2. lme4:::chkRank.drop.cols(X, kind = rankX.chk, tol = 1e-07)
   3. Matrix::rankMatrix(X, tol = tol, method = method)
   5. Matrix::qr2rankMatrix(q.r, tol = tol, isBqr = x.dense, do.warn = warn.qr)
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error (???): findFormFuns works ─────────────────────────────────────────────
  Error: Dropping columns failed to produce full column rank design matrix
  Backtrace:
      █
   1. └─lme4::lFormula(...)
   2.   └─lme4:::chkRank.drop.cols(X, kind = rankX.chk, tol = 1e-07)
  
  [ FAIL 1 | WARN 1 | SKIP 12 | PASS 218 ]
  Error: Test failures
  Execution halted
Running the tests in ‘tests/testthat-m_z.R’ failed.
Complete output:
  > library(testthat)
  > library(merTools)
  Loading required package: arm
  Loading required package: MASS
  Loading required package: Matrix
  Loading required package: lme4
  
  arm (Version 1.11-2, built: 2020-7-27)
  
  Working directory is /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/merTools.Rcheck/tests
  
  > 
  > 
  > test_check("merTools", filter = "^[m-z]")
  ══ Skipped tests ═══════════════════════════════════════════════════════════════
  ● On CRAN (36)
  
  ══ Warnings ════════════════════════════════════════════════════════════════════
  ── Warning (???): findFormFuns works ───────────────────────────────────────────
  qr2rankMatrix(.): QR has negative diag(R) entries
  Backtrace:
   1. lme4::lFormula(...)
   2. lme4:::chkRank.drop.cols(X, kind = rankX.chk, tol = 1e-07)
   3. Matrix::rankMatrix(X, tol = tol, method = method)
   5. Matrix::qr2rankMatrix(q.r, tol = tol, isBqr = x.dense, do.warn = warn.qr)
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error (???): findFormFuns works ─────────────────────────────────────────────
  Error: Dropping columns failed to produce full column rank design matrix
  Backtrace:
      █
   1. └─lme4::lFormula(...)
   2.   └─lme4:::chkRank.drop.cols(X, kind = rankX.chk, tol = 1e-07)
  
  [ FAIL 1 | WARN 1 | SKIP 36 | PASS 230 ]
  Error: Test failures
  Execution halted