these 3 derivations will be built:
  /nix/store/6r610852axldfr5dwfckzlm3d4dm6iyf-treefmt.toml.drv
  /nix/store/f3gvhpw14xwbw4n04bsbbw11mycfjdvw-treefmt.drv
  /nix/store/6dwhjhrzl8mz9hcw4r53yjsm5nnbg6zw-treefmt-check.drv
building '/nix/store/6r610852axldfr5dwfckzlm3d4dm6iyf-treefmt.toml.drv'
treefmt.toml> tribuchet: building on eliza
treefmt.toml> structuredAttrs is enabled
building '/nix/store/f3gvhpw14xwbw4n04bsbbw11mycfjdvw-treefmt.drv'
treefmt> tribuchet: building on eliza
treefmt> mv: cannot remove '/build/.attr-1lf969yddshzhld7sr1vbagr07bnygg99lgl6gk5kxcnp4z9wbcq': Operation not permitted
error: Cannot build '/nix/store/f3gvhpw14xwbw4n04bsbbw11mycfjdvw-treefmt.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/84cd680ipp2xf0kk41rxqxdk50ri7kh6-treefmt
       Last 2 log lines:
       > tribuchet: building on eliza
       > mv: cannot remove '/build/.attr-1lf969yddshzhld7sr1vbagr07bnygg99lgl6gk5kxcnp4z9wbcq': Operation not permitted
       For full logs, run:
         nix log /nix/store/f3gvhpw14xwbw4n04bsbbw11mycfjdvw-treefmt.drv
error: Cannot build '/nix/store/6dwhjhrzl8mz9hcw4r53yjsm5nnbg6zw-treefmt-check.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/j52pnpd4c29jzwjjkj91kaar0gxx1pdr-treefmt-check