this derivation will be built:
  /nix/store/908j72alvvf33qzrgzpa99n6hcd64wnx-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/908j72alvvf33qzrgzpa99n6hcd64wnx-bcachefs-module-7.0.0-31-generic.drv'...