these 4 derivations will be built:
  /nix/store/k9dyr3kyyvs0im4lxzsw8c0shvn3kg41-python3.14-types-icalendar-6.3.2.20260223.drv
  /nix/store/sbx8p7as5590y63bc46bc8nfgw4zxjcb-treefmt.toml.drv
  /nix/store/51h2cgq1cp3364d2fvy15c176ax2ywz9-treefmt.drv
  /nix/store/2kgxxpblvarbanfhv53i56yx4c1bi74i-treefmt-check.drv
these 5 paths will be fetched (58.8 KiB download, 211.5 KiB unpacked):
  /nix/store/hw1q0256qqzvwc0p88jbzwm2bp1vpp64-python3.14-types-beautifulsoup4-4.12.0.20250516
  /nix/store/nkjrs2xy2xdlbmpqc6qy6ylsmml36z2z-python3.14-types-html5lib-1.1.11.20260518
  /nix/store/yw7fm0pxa5gfr3z4q5jfx3hdsxnvl1rx-python3.14-types-python-dateutil-2.9.0.20251115
  /nix/store/ab9x2jnzpfc5bfy3xxdgfwvl8f7qk8sm-python3.14-types-pytz-2026.1.1.20260304
  /nix/store/klin1w902fr3ly0wwwbnw475af45ckan-python3.14-types-webencodings-0.5.0.20260408
Failed to find a machine for remote build!
derivation: k9dyr3kyyvs0im4lxzsw8c0shvn3kg41-python3.14-types-icalendar-6.3.2.20260223.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/2kgxxpblvarbanfhv53i56yx4c1bi74i-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1zk1v8d29m8llcg63xd5i9j3shax0ivy-treefmt-check
       Last 25 log lines:
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_cache.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_cli.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_import.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_invite.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_reply.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_store.py:1:1
       >
       > Found 23 errors.
       >
       > traversed 188 files
       > emitted 166 files for processing
       > formatted 81 files (8 changed) in 3.756s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/2kgxxpblvarbanfhv53i56yx4c1bi74i-treefmt-check.drv