these 2 derivations will be built:
  /nix/store/zi0y3282r5dylzss8761gd5d9bp1j1si-cargo-vendor-dir.drv
  /nix/store/9hxy8b87ld7rjy9gl2ig9j2r8h5zw7am-nixfmt-rs-0.5.2.drv
Failed to find a machine for remote build!
derivation: zi0y3282r5dylzss8761gd5d9bp1j1si-cargo-vendor-dir.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: 9hxy8b87ld7rjy9gl2ig9j2r8h5zw7am-nixfmt-rs-0.5.2.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])