this derivation will be built:
  /nix/store/8mbsigcrs2qsr7m552c637snnyh0vdix-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/8mbsigcrs2qsr7m552c637snnyh0vdix-bcachefs-module-7.0.0-29-generic.drv'...