these 5 derivations will be built:
  /nix/store/1x0hg18llp7vkq2vlchjsz7h1wds6qsq-source.drv
  /nix/store/bdxzdf8p2ax702pa45jlnilbww3rqam0-vendor-registry.drv
  /nix/store/7bbi94q2wl6zg1dd1g4n52svaj0kdy9l-vendor-cargo-deps.drv
  /nix/store/298ds6vvnbxc51x9qx7khpirmanjq6j2-harmonia-deps-3.1.0.drv
  /nix/store/ngmrqhq9jr3qff8m1crbda2r7bs1gjij-harmonia-llvm-cov-3.1.0.drv
Failed to find a machine for remote build!
derivation: 298ds6vvnbxc51x9qx7khpirmanjq6j2-harmonia-deps-3.1.0.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: ngmrqhq9jr3qff8m1crbda2r7bs1gjij-harmonia-llvm-cov-3.1.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])