this derivation will be built:
  /nix/store/4ndhl1vqf4gjs7qs2d044y6j14pc3wzq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/4ndhl1vqf4gjs7qs2d044y6j14pc3wzq-bcachefs-module-7.0.0-39-generic.drv'...