this derivation will be built:
  /nix/store/rz0n7sv62j8gqkhizxn0qrn866iz28vi-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/rz0n7sv62j8gqkhizxn0qrn866iz28vi-bcachefs-module-7.0.0-31-generic.drv'...