these 4 derivations will be built:
  /nix/store/7knm7ic0ss3d1ds675rhvwrdkaij108l-crate-memchr-2.8.3.tar.gz.drv
  /nix/store/4zj7sybhxzzr7vmha776w3g9jm7i190h-memchr-2.8.3.drv
  /nix/store/v3b6rwq4pbnfm6psskq04shy4ghxgvf5-cargo-vendor-dir.drv
  /nix/store/65gl1508igbdq964vwfa314316izs8fw-nixfmt-rs-0.5.1.drv
Failed to find a machine for remote build!
derivation: 4zj7sybhxzzr7vmha776w3g9jm7i190h-memchr-2.8.3.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: v3b6rwq4pbnfm6psskq04shy4ghxgvf5-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: 65gl1508igbdq964vwfa314316izs8fw-nixfmt-rs-0.5.1.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])