this derivation will be built:
  /nix/store/qmh2s4fppw53samkggnkf8zzyxp6lyq1-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/qmh2s4fppw53samkggnkf8zzyxp6lyq1-bcachefs-module-7.0.0-29-generic.drv'...