these 3 derivations will be built:
  /nix/store/sg1ipqjf3ai34cm356jnnn3d0f3ixlnj-omp-18.12.4-cargo-vendor-vendor.drv
  /nix/store/hl2m1z8sc9ldw6ff4n41b4cp7dcnagcy-omp-18.12.4.drv
  /nix/store/zdz544crbrmg7ky1mq74jy2jc688ka95-check-omp.drv
scheduler at farm.numtide.com:50051: Stream removed (Socket closed), reconnecting
hl2m1z8sc9ldw6ff4n41b4cp7dcnagcy-omp-18.12.4.drv: Stream removed (Socket closed), asking the scheduler again