this derivation will be built:
  /nix/store/hjn7axg7p0igph9ivdqw35v4v7apqhm5-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/hjn7axg7p0igph9ivdqw35v4v7apqhm5-bcachefs-module-7.0.0-38-generic.drv'...