this derivation will be built:
  /nix/store/l5b3yli2vdcdi8as4p9g91qm50zmvfmi-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/l5b3yli2vdcdi8as4p9g91qm50zmvfmi-bcachefs-module-7.0.0-26-generic.drv'...