these 2 derivations will be built:
  /nix/store/b53k3cxbbf67rmr2k7rlrmvsn2r7gmiq-omp-18.18.0.drv
  /nix/store/fs6wf466dliqr7bjhhbwcr9k6k1mwbiy-check-omp.drv
building '/nix/store/b53k3cxbbf67rmr2k7rlrmvsn2r7gmiq-omp-18.18.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/b53k3cxbbf67rmr2k7rlrmvsn2r7gmiq-omp-18.18.0.drv' on farm.numtide.com:50051
omp-18.18.0> mac02: building b53k3cxbbf67rmr2k7rlrmvsn2r7gmiq-omp-18.18.0.drv
building '/nix/store/fs6wf466dliqr7bjhhbwcr9k6k1mwbiy-check-omp.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/fs6wf466dliqr7bjhhbwcr9k6k1mwbiy-check-omp.drv' on farm.numtide.com:50051
check-omp> mac02: building fs6wf466dliqr7bjhhbwcr9k6k1mwbiy-check-omp.drv