this derivation will be built:
  /nix/store/hg8gl0dcc5419dgcdj39gx4kjm5x6jh2-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/hg8gl0dcc5419dgcdj39gx4kjm5x6jh2-bcachefs-module-7.0.0-29-generic.drv'...