this derivation will be built:
  /nix/store/a29gric9fp6c42xpfab6ra0dpkgypjl0-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/a29gric9fp6c42xpfab6ra0dpkgypjl0-bcachefs-module-7.0.0-39-generic.drv'...