this derivation will be built:
  /nix/store/ym1x13g00f6k6fbk5kdkkb6a5w01x48z-treefmt-check.drv
building '/nix/store/ym1x13g00f6k6fbk5kdkkb6a5w01x48z-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 692 files
treefmt-check> emitted 658 files for processing
treefmt-check> formatted 658 files (1 changed) in 768ms
treefmt-check>  M sops/machines/cask/key.json
treefmt-check> diff --git a/sops/machines/cask/key.json b/sops/machines/cask/key.json
treefmt-check> index d2fee27..d7f5186 100755
treefmt-check> --- a/sops/machines/cask/key.json
treefmt-check> +++ b/sops/machines/cask/key.json
treefmt-check> @@ -3,4 +3,4 @@
treefmt-check>      "publickey": "age1p6u2ud0cvdug5a34zgeh8lc4grmvygqme99vecja3hhzyegxaptqslpqwh",
treefmt-check>      "type": "age"
treefmt-check>    }
treefmt-check> -]
treefmt-check> \ No newline at end of file
treefmt-check> +]
error: Cannot build '/nix/store/ym1x13g00f6k6fbk5kdkkb6a5w01x48z-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/hmaw6pizplqaz2a6wsdqpzcjcpmy3bqz-treefmt-check
       Last 15 log lines:
       > treefmt v2.5.0traversed 692 files
       > emitted 658 files for processing
       > formatted 658 files (1 changed) in 768ms
       >  M sops/machines/cask/key.json
       > diff --git a/sops/machines/cask/key.json b/sops/machines/cask/key.json
       > index d2fee27..d7f5186 100755
       > --- a/sops/machines/cask/key.json
       > +++ b/sops/machines/cask/key.json
       > @@ -3,4 +3,4 @@
       >      "publickey": "age1p6u2ud0cvdug5a34zgeh8lc4grmvygqme99vecja3hhzyegxaptqslpqwh",
       >      "type": "age"
       >    }
       > -]
       > \ No newline at end of file
       > +]
       For full logs, run:
         nix log /nix/store/ym1x13g00f6k6fbk5kdkkb6a5w01x48z-treefmt-check.drv