this derivation will be built:
  /nix/store/2v08iiddy9wkk09fsl7v3y6c254ipci5-treefmt-check.drv
building '/nix/store/2v08iiddy9wkk09fsl7v3y6c254ipci5-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
treefmt-check> treefmt v2.5.0traversed 286 files
treefmt-check> emitted 239 files for processing
treefmt-check> formatted 239 files (0 changed) in 7.436s
treefmt-check>  M nixbot_cli/skill/SKILL.md
treefmt-check> diff --git a/nixbot_cli/skill/SKILL.md b/nixbot_cli/skill/SKILL.md
treefmt-check> index cad3c14..b9d1700 100644
treefmt-check> --- a/nixbot_cli/skill/SKILL.md
treefmt-check> +++ b/nixbot_cli/skill/SKILL.md
treefmt-check> @@ -3,9 +3,9 @@ name: nixbot-cli
treefmt-check>  description: Inspect and control nixbot CI builds with nbo. Use to find the build for a branch/PR, watch it, list failed attributes, fetch failure logs, restart or cancel builds.
treefmt-check>  ---
treefmt-check>  
treefmt-check> -Server: `NIXBOT_URL` or `~/.config/nixbot/hosts.toml`.
treefmt-check> -In a checkout, repo and build number are inferred from `origin`/`HEAD`,
treefmt-check> -override with `-R [forge/]owner/name` and an explicit build number.
treefmt-check> +Server: `NIXBOT_URL` or `~/.config/nixbot/hosts.toml`. In a checkout, repo and
treefmt-check> +build number are inferred from `origin`/`HEAD`, override with
treefmt-check> +`-R [forge/]owner/name` and an explicit build number.
treefmt-check>  
treefmt-check>  ```bash
treefmt-check>  nbo build list --branch main
treefmt-check> @@ -18,6 +18,6 @@ nbo build cancel 412
treefmt-check>  nbo effects list | run default.deploy        # local, no token
treefmt-check>  ```
treefmt-check>  
treefmt-check> -Attribute args accept unambiguous substrings; `--json [fields]` for machine-readable output.
treefmt-check> -`nbo auth status` shows server/token.
treefmt-check> -HTTP API docs at `/llms.txt`.
treefmt-check> +Attribute args accept unambiguous substrings; `--json [fields]` for
treefmt-check> +machine-readable output. `nbo auth status` shows server/token. HTTP API docs at
treefmt-check> +`/llms.txt`.
error: Cannot build '/nix/store/2v08iiddy9wkk09fsl7v3y6c254ipci5-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/q0phzy1bc9r03zi4d4vh0j53pspnhf89-treefmt-check
       Last 25 log lines:
       > --- a/nixbot_cli/skill/SKILL.md
       > +++ b/nixbot_cli/skill/SKILL.md
       > @@ -3,9 +3,9 @@ name: nixbot-cli
       >  description: Inspect and control nixbot CI builds with nbo. Use to find the build for a branch/PR, watch it, list failed attributes, fetch failure logs, restart or cancel builds.
       >  ---
       >
       > -Server: `NIXBOT_URL` or `~/.config/nixbot/hosts.toml`.
       > -In a checkout, repo and build number are inferred from `origin`/`HEAD`,
       > -override with `-R [forge/]owner/name` and an explicit build number.
       > +Server: `NIXBOT_URL` or `~/.config/nixbot/hosts.toml`. In a checkout, repo and
       > +build number are inferred from `origin`/`HEAD`, override with
       > +`-R [forge/]owner/name` and an explicit build number.
       >
       >  ```bash
       >  nbo build list --branch main
       > @@ -18,6 +18,6 @@ nbo build cancel 412
       >  nbo effects list | run default.deploy        # local, no token
       >  ```
       >
       > -Attribute args accept unambiguous substrings; `--json [fields]` for machine-readable output.
       > -`nbo auth status` shows server/token.
       > -HTTP API docs at `/llms.txt`.
       > +Attribute args accept unambiguous substrings; `--json [fields]` for
       > +machine-readable output. `nbo auth status` shows server/token. HTTP API docs at
       > +`/llms.txt`.
       For full logs, run:
         nix log /nix/store/2v08iiddy9wkk09fsl7v3y6c254ipci5-treefmt-check.drv