these 2 derivations will be built:
  /nix/store/i6lcc0vcipsnd61qbk8dax9pmq2x57li-flake-inputs.drv
  /nix/store/l3vyrhnirncydj43cvp150a70ahm76mn-check-flake-inputs.drv
building '/nix/store/i6lcc0vcipsnd61qbk8dax9pmq2x57li-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/i6lcc0vcipsnd61qbk8dax9pmq2x57li-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building i6lcc0vcipsnd61qbk8dax9pmq2x57li-flake-inputs.drv
building '/nix/store/l3vyrhnirncydj43cvp150a70ahm76mn-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/l3vyrhnirncydj43cvp150a70ahm76mn-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building l3vyrhnirncydj43cvp150a70ahm76mn-check-flake-inputs.drv