this derivation will be built: /nix/store/74yl33yy2x7npr073naccwkj9y4305zk-updater-0.1.0.drv these 3 paths will be fetched (221.2 KiB download, 1.0 MiB unpacked): /nix/store/ry4pdl373ifw7ccsxdrc0849a5axrk0z-nix-prefetch-git-26.11 /nix/store/4vdihkylvfp9yz0dyk3kfg58nnhc2h04-nix-update-1.16.0 /nix/store/i6kpi8p1qxfyincc6sxyx6h4cdi432a7-nixpkgs-review-3.9.0 Failed to find a machine for remote build! derivation: 74yl33yy2x7npr073naccwkj9y4305zk-updater-0.1.0.drv required (system, features): (aarch64-linux, []) 1 available machines: (systems, maxjobs, supportedFeatures, mandatoryFeatures) ([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], []) error: Cannot build '/nix/store/74yl33yy2x7npr073naccwkj9y4305zk-updater-0.1.0.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/0d15x76w0hb58ma6ki5npib92f308r6y-updater-0.1.0 Last 2 log lines: > tribuchet: building on eliza > tribuchet worker error: peer error: stale scratch tree /var/lib/tribuchet/a79/scratch could not be removed: Permission denied (os error 13) For full logs, run: nix log /nix/store/74yl33yy2x7npr073naccwkj9y4305zk-updater-0.1.0.drv