this derivation will be built:
  /nix/store/bb5hmlmq40yjjp9d4cvbf4skfcl642sv-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/bb5hmlmq40yjjp9d4cvbf4skfcl642sv-bcachefs-module-7.0.0-39-generic.drv'...