this derivation will be built:
  /nix/store/1c6v03xz3dwm5dc83g4fzbriisg89lz7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/1c6v03xz3dwm5dc83g4fzbriisg89lz7-bcachefs-module-7.0.0-39-generic.drv'...