this derivation will be built:
  /nix/store/m5kc8fbijym99r8vcbcvbp99lfn0c0gf-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/m5kc8fbijym99r8vcbcvbp99lfn0c0gf-bcachefs-module-7.0.0-39-generic.drv'...