Installation failed.
See ‘/data/gannet/ripley/R/packages/tests-clang/fedmatch.Rcheck/00install.out’ for details.
Namespace in Imports field not imported from: ‘gtools’
  All declared Imports should be used.
Namespace in Imports field not imported from: 'gtools'
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘gtools’
  All declared Imports should be used.
Installation failed.
See ‘/Volumes/Builds/packages/big-sur-arm64/results/4.1/fedmatch.Rcheck/00install.out’ for details.
Installation failed.
See ‘/Volumes/Builds/packages/high-sierra-x86_64/results/4.1/fedmatch.Rcheck/00install.out’ for details.
Installation failed.
See ‘/Volumes/Builds/packages/high-sierra-x86_64/results/4.0/fedmatch.Rcheck/00install.out’ for details.