this derivation will be built:
  /nix/store/862s47v0fb9l1yn4gf94da6y8nfaq11z-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/862s47v0fb9l1yn4gf94da6y8nfaq11z-bcachefs-module-7.0.0-30-generic.drv'...