these 5 derivations will be built:
  /nix/store/f3qzzjrscg3mr33cp0rs31g0zd17yb8n-source.drv
  /nix/store/wbsl46w316rf7sd2y3z0blvifqq99m5p-vendor-registry.drv
  /nix/store/q4ny36zqgsn234f7bdx7jd8jcxdd6fgj-vendor-cargo-deps.drv
  /nix/store/pikqjskm93s9750mq3chgyw5qvi29h7i-harmonia-deps-3.2.0.drv
  /nix/store/wv0bpwmvkgvvfmwxmmn53svfhgdsd2i9-harmonia-llvm-cov-3.2.0.drv
Failed to find a machine for remote build!
derivation: f3qzzjrscg3mr33cp0rs31g0zd17yb8n-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: pikqjskm93s9750mq3chgyw5qvi29h7i-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: wv0bpwmvkgvvfmwxmmn53svfhgdsd2i9-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], [])