these 3 derivations will be built:
  /nix/store/fv38whrk0sg7i853k7cyw0llrisr9q0p-source.drv
  /nix/store/0igjn6xdbiaglkzy45hily2jb2y7x02p-collie-1.19.0.drv
  /nix/store/ll4l8k1zgpfy437d04nh0s4za4dhzq90-check-collie.drv
0igjn6xdbiaglkzy45hily2jb2y7x02p-collie-1.19.0.drv: elastic-arm-4e524f5e: not scheduled here: 0igjn6xdbiaglkzy45hily2jb2y7x02p-collie-1.19.0.drv, asking the scheduler again
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy