this derivation will be built:
  /nix/store/hxzbf1k3mk65nl43g5y8y6sh40hb0qsn-treefmt-check.drv
building '/nix/store/hxzbf1k3mk65nl43g5y8y6sh40hb0qsn-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
treefmt-check> treefmt v2.6.0traversed 1201 files
treefmt-check> emitted 512 files for processing
treefmt-check> formatted 512 files (3 changed) in 1.484s
treefmt-check>  M home/.pi/agent/extensions/python/index.ts
treefmt-check> diff --git a/home/.pi/agent/extensions/python/index.ts b/home/.pi/agent/extensions/python/index.ts
treefmt-check> index 3097e03..d0f383e 100644
treefmt-check> --- a/home/.pi/agent/extensions/python/index.ts
treefmt-check> +++ b/home/.pi/agent/extensions/python/index.ts
treefmt-check> @@ -131,7 +131,8 @@ export default function (pi: ExtensionAPI) {
treefmt-check>        // Throw like bash so pi ends the run as "aborted" and sends queued prompts.
treefmt-check>        if (signal?.aborted) throw new Error("Command aborted");
treefmt-check>        if (timedOut && r.error?.startsWith("KeyboardInterrupt")) {
treefmt-check> -        r.error = `Timed out after ${params.timeout}s (cell interrupted, interpreter state kept)`;
treefmt-check> +        r.error =
treefmt-check> +          `Timed out after ${params.timeout}s (cell interrupted, interpreter state kept)`;
treefmt-check>        }
treefmt-check>  
treefmt-check>        let text = r.stdout;
error: Cannot build '/nix/store/hxzbf1k3mk65nl43g5y8y6sh40hb0qsn-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jkkh3m77vchh2bqqcifzc38fbycx7353-treefmt-check
       Last 19 log lines:
       > tribuchet: building on jamie
       > treefmt v2.6.0traversed 1201 files
       > emitted 512 files for processing
       > formatted 512 files (3 changed) in 1.484s
       >  M home/.pi/agent/extensions/python/index.ts
       > diff --git a/home/.pi/agent/extensions/python/index.ts b/home/.pi/agent/extensions/python/index.ts
       > index 3097e03..d0f383e 100644
       > --- a/home/.pi/agent/extensions/python/index.ts
       > +++ b/home/.pi/agent/extensions/python/index.ts
       > @@ -131,7 +131,8 @@ export default function (pi: ExtensionAPI) {
       >        // Throw like bash so pi ends the run as "aborted" and sends queued prompts.
       >        if (signal?.aborted) throw new Error("Command aborted");
       >        if (timedOut && r.error?.startsWith("KeyboardInterrupt")) {
       > -        r.error = `Timed out after ${params.timeout}s (cell interrupted, interpreter state kept)`;
       > +        r.error =
       > +          `Timed out after ${params.timeout}s (cell interrupted, interpreter state kept)`;
       >        }
       >
       >        let text = r.stdout;
       For full logs, run:
         nix log /nix/store/hxzbf1k3mk65nl43g5y8y6sh40hb0qsn-treefmt-check.drv