this derivation will be built:
  /nix/store/vqr3bvy6mm72flnmww4lsyfwlxqr1r3q-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vqr3bvy6mm72flnmww4lsyfwlxqr1r3q-bcachefs-module-7.0.0-39-generic.drv'...