these 7 derivations will be built:
  /nix/store/ncngncz37yvn9bzfmnkng1w0j47k1zjh-cargo-src-data-encoding-2.11.1.drv
  /nix/store/xdh1nv7g20c7krg48fv2iwha9a5dqm0y-cargo-package-data-encoding-2.11.1.drv
  /nix/store/isfxg0hmbsihnfinlk0hy9nd9y2dsc0w-vendor-registry.drv
  /nix/store/wxy845n5aswmyvlkg7pbrsqhm7pqlffi-vendor-cargo-deps.drv
  /nix/store/yfccnxh5dlqy75p1gqnb6yk62k7b7238-source.drv
  /nix/store/8kncj65wapj9lv4az98r6jgck8yw5dh3-harmonia-deps-3.2.0.drv
  /nix/store/4gnfq0jp23alji4vf82i77bxjvr61bdr-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: 8kncj65wapj9lv4az98r6jgck8yw5dh3-harmonia-deps-3.2.0.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: 4gnfq0jp23alji4vf82i77bxjvr61bdr-harmonia-llvm-cov-3.2.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])