this derivation will be built:
  /nix/store/nm5wdx8nzklc6nx1bp6zplfbzdl2mack-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/nm5wdx8nzklc6nx1bp6zplfbzdl2mack-bcachefs-module-7.0.0-31-generic.drv'...