these 5 derivations will be built:
  /nix/store/qfvps9n7kh52jirp9q8srwmv19ladc69-source.drv
  /nix/store/mch46bsyrk7fn3ghg3cakm5h8vj387vx-vendor-registry.drv
  /nix/store/vwfxdas13k1nkq96rx01cjrbps7l736z-vendor-cargo-deps.drv
  /nix/store/qkacs14pdq9lyfzqd9nvwalhfa1v7p8f-harmonia-deps-3.1.0.drv
  /nix/store/9szn4c5dvnjkrqjq2s7as47a7ic1z2rj-harmonia-llvm-cov-3.1.0.drv
Failed to find a machine for remote build!
derivation: qfvps9n7kh52jirp9q8srwmv19ladc69-source.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: qkacs14pdq9lyfzqd9nvwalhfa1v7p8f-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: 9szn4c5dvnjkrqjq2s7as47a7ic1z2rj-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], [])