this derivation will be built:
  /nix/store/fclygc1skigr3ghj5xg9n2cqxgn9khp8-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/fclygc1skigr3ghj5xg9n2cqxgn9khp8-bcachefs-module-7.0.0-39-generic.drv'...