these 5 derivations will be built:
  /nix/store/091bj61y0ndwbm5x0sa1qk1kwqw09xpd-clan-runtime.drv
  /nix/store/2aawh2jqqwn7mbhqdxh1nzfrhzbihypn-closure-info.drv
  /nix/store/h54sa04s4djb6iwa0cadlhv7p22awhbj-clan-cli-source.drv
  /nix/store/5q7j0d9iq02asg7d3drx6md1vq5xbxyk-clan-cli.drv
  /nix/store/0a1qi9kmyna7pq3709j51shxik8qwiw6-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
error: path '/nix/store/s4998clsqj83rlk5ng4rzpvy63li3qsh-check-vars' is not valid
error: Cannot build '/nix/store/0a1qi9kmyna7pq3709j51shxik8qwiw6-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/s4998clsqj83rlk5ng4rzpvy63li3qsh-check-vars