this derivation will be built:
  /nix/store/a4ldg99nw537na23x30aqaq4n3j7djn4-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/a4ldg99nw537na23x30aqaq4n3j7djn4-bcachefs-module-7.0.0-30-generic.drv'...