this derivation will be built:
  /nix/store/c6my7pk3nx61sjqbjr9nf0v0j818953k-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/c6my7pk3nx61sjqbjr9nf0v0j818953k-bcachefs-module-7.0.0-39-generic.drv'...