this derivation will be built:
  /nix/store/0fs1smd2mdl8xxydk4a41xiskgnvmymw-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/0fs1smd2mdl8xxydk4a41xiskgnvmymw-bcachefs-module-7.0.0-39-generic.drv'...