this derivation will be built:
  /nix/store/39kg3mdi5bnff61bbpiv9y90h5x3gdb2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/39kg3mdi5bnff61bbpiv9y90h5x3gdb2-bcachefs-module-7.0.0-31-generic.drv'...