these 6 derivations will be built:
  /nix/store/8p6yb7cbdfsr77d15h3bryfms0q2x0dj-cargo-package-libc-0.2.189.drv
  /nix/store/m5v32fzzx8akg32j1l5zlr7978gl6mg1-vendor-registry.drv
  /nix/store/prdf47l7rpfhlxgspk5mgv33d3jyadwn-vendor-cargo-deps.drv
  /nix/store/rnwwm7ly1vbbga8j98bf4ch5izl1awnr-source.drv
  /nix/store/h99fbvqziz1v8slj82kzjjr5vc9kz8cp-harmonia-deps-3.2.0.drv
  /nix/store/zm105kqscfsyn2g740x9jzbryw164v18-harmonia-3.2.0.drv
Failed to find a machine for remote build!
derivation: 8p6yb7cbdfsr77d15h3bryfms0q2x0dj-cargo-package-libc-0.2.189.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: rnwwm7ly1vbbga8j98bf4ch5izl1awnr-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: h99fbvqziz1v8slj82kzjjr5vc9kz8cp-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: zm105kqscfsyn2g740x9jzbryw164v18-harmonia-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], [])