this derivation will be built:
  /nix/store/qdx743ml316rq3y8686766h9bm2nwlna-check-unpinCargoMsrvHook.drv
building '/nix/store/qdx743ml316rq3y8686766h9bm2nwlna-check-unpinCargoMsrvHook.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/qdx743ml316rq3y8686766h9bm2nwlna-check-unpinCargoMsrvHook.drv' on farm.numtide.com:50051
check-unpinCargoMsrvHook> mac02: building qdx743ml316rq3y8686766h9bm2nwlna-check-unpinCargoMsrvHook.drv