these 2 derivations will be built:
  /nix/store/66ax2w3i2idgk3sypm5bp6x96sq2afxp-nix-grpc-store-fuzzers-0.1.0.drv
  /nix/store/48nnalkwfg2lms7b8z1vnl42pc4159zn-nix-grpc-store-fuzz-smoke.drv
Failed to find a machine for remote build!
derivation: 66ax2w3i2idgk3sypm5bp6x96sq2afxp-nix-grpc-store-fuzzers-0.1.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
Failed to find a machine for remote build!
derivation: 48nnalkwfg2lms7b8z1vnl42pc4159zn-nix-grpc-store-fuzz-smoke.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])