this derivation will be built:
  /nix/store/997bmkqqiwjbrlk26gjgagy0n7m0c194-treefmt.drv
warning: file 'nar/05mxvnfgs4knc4j3xv3cb954dg9m8152k4pcwbwhzg6v2amwbsmn.nar.zst' does not exist in binary cache 'https://cache.numtide.com'
warning: file 'nar/1ipx9ip9gkqjrwxzbn8nnnh4qkvbqhkkrx4hrjlavp8ci6yqq0b6.nar.zst' does not exist in binary cache 'https://cache.numtide.com'
error: build of '/nix/store/997bmkqqiwjbrlk26gjgagy0n7m0c194-treefmt.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/997bmkqqiwjbrlk26gjgagy0n7m0c194-treefmt.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/73mkda04yg9iildm0jgsynyh0sjgdn72-treefmt
       Last 14 log lines:
       > ERRO formatter | nix: failed to apply with options '[]': exit status 1
       >
       > nixfmt: example: openTempFileWithDefaultPermissions: permission denied (Permission denied)
       > HasCallStack backtrace:
       >   collectBacktraces, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
       >   toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/IO.hs:260:11 in ghc-internal:GHC.Internal.IO
       >   throwIO, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:195:43 in ghc-internal:GHC.Internal.Control.Exception.Base
       >
       >
       >
       > traversed 151 files
       > emitted 121 files for processing
       > formatted 0 files (0 changed) in 1.469s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/997bmkqqiwjbrlk26gjgagy0n7m0c194-treefmt.drv
error: Cannot build '/nix/store/997bmkqqiwjbrlk26gjgagy0n7m0c194-treefmt.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/73mkda04yg9iildm0jgsynyh0sjgdn72-treefmt