this derivation will be built:
  /nix/store/pqn5bzz3iy458am86c26s1bbkcnxz87y-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pqn5bzz3iy458am86c26s1bbkcnxz87y-bcachefs-module-7.0.0-39-generic.drv'...