these 2 derivations will be built:
  /nix/store/6mwqzdhk9z7p2s1r8niwa1rc3chy1sxq-flake-inputs.drv
  /nix/store/zdwnmimn02cy8w270zc9dy3zggzmyzyi-check-flake-inputs.drv
building '/nix/store/6mwqzdhk9z7p2s1r8niwa1rc3chy1sxq-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6mwqzdhk9z7p2s1r8niwa1rc3chy1sxq-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 6mwqzdhk9z7p2s1r8niwa1rc3chy1sxq-flake-inputs.drv
building '/nix/store/zdwnmimn02cy8w270zc9dy3zggzmyzyi-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/zdwnmimn02cy8w270zc9dy3zggzmyzyi-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building zdwnmimn02cy8w270zc9dy3zggzmyzyi-check-flake-inputs.drv