1this derivation will be built:2 /nix/store/6sbysr74sn7hrc9ka8adnxwrid788gy9-fast-nix-gc-proptest-0.1.0.drv3Failed to find a machine for remote build!4derivation: 6sbysr74sn7hrc9ka8adnxwrid788gy9-fast-nix-gc-proptest-0.1.0.drv5required (system, features): (aarch64-linux, [])61 available machines:7(systems, maxjobs, supportedFeatures, mandatoryFeatures)8([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])9error: Cannot build '/nix/store/6sbysr74sn7hrc9ka8adnxwrid788gy9-fast-nix-gc-proptest-0.1.0.drv'.10 Reason: platform mismatch11 Required system: 'aarch64-linux'12 Current system: 'x86_64-linux'