these 2 derivations will be built:
  /nix/store/8gg1fv4f2d0192pnm7x4h3340j2rh23i-nix-source-patched-source.drv
  /nix/store/sragbsywlim5y768zhv9npnm8zfa8bmn-equal-contents-trivial-patch-does-not-change-source-contents.drv
Failed to find a machine for remote build!
derivation: 8gg1fv4f2d0192pnm7x4h3340j2rh23i-nix-source-patched-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: sragbsywlim5y768zhv9npnm8zfa8bmn-equal-contents-trivial-patch-does-not-change-source-contents.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])