these 5 derivations will be built:
  /nix/store/s6mlwfxj2mn0k8lfxqhrdbjaaw7jbvyy-letta-code-0.34.11.tgz.drv
  /nix/store/l1nk1md7l2f4k8mqmkrskryjx24zarwp-letta-code-src-with-lock.drv
  /nix/store/wzrwi5a3ywkicys1gcwc2d5ljhilnx4z-letta-code-0.34.11-npm-deps.drv
  /nix/store/c6hjbjd5cil5mlbpzk5m4dvcgi5ffjl7-letta-code-0.34.11.drv
  /nix/store/95pnj1h2vbny9hzr43jinqvw6lr20srs-check-letta-code.drv
error: build of '/nix/store/c6hjbjd5cil5mlbpzk5m4dvcgi5ffjl7-letta-code-0.34.11.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-darwin' failed: Cannot build '/nix/store/c6hjbjd5cil5mlbpzk5m4dvcgi5ffjl7-letta-code-0.34.11.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6ggqlg0k86z0r5lhm6s3khl466a4hf31-letta-code-0.34.11
       Last 25 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/ifpf7qph5637hb2w0qhay50crv8405jx-letta-code-src-with-lock
       > source root is letta-code-src-with-lock
       > Running phase: patchPhase
       > Executing npmConfigHook
       > Configuring npm
       > Validating consistency between /nix/var/nix/builds/nix-56255-2120449886/letta-code-src-with-lock/npm-shrinkwrap.json and /nix/store/sdm6gisypavi4b9c3xlzg4ndkn71bd5y-letta-code-0.34.11-npm-deps/package-lock.json
       > Making cache writable
       > Setting npm_config_cache to /nix/var/nix/builds/nix-56255-2120449886/cache
       > Installing dependencies
       > npm warn Unknown env config "nodedir". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.
       > npm warn Unknown env config "platform". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.
       > npm warn Unknown env config "arch". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.
       > npm error code ENOTCACHED
       > npm error request to https://registry.npmjs.org/@modelcontextprotocol%2fserver-everything failed: cache mode is 'only-if-cached' but no cached response is available.
       > npm error A complete log of this run can be found in: /nix/var/nix/builds/nix-56255-2120449886/cache/_logs/2026-10-12T04_51_59_916Z-debug-0.log
       >
       > ERROR: npm failed to install dependencies
       >
       > Here are a few things you can try, depending on the error:
       > 1. Set `npmDepsFetcherVersion = 2` (and update `npmDepsHash`)
       > 2. Set `makeCacheWritable = true`
       >   Note that this won't help if npm is complaining about not being able to write to the logs directory -- look above that for the actual error.
       > 3. Set `npmFlags = [ "--legacy-peer-deps" ]`
       >
       For full logs, run:
         nix log /nix/store/c6hjbjd5cil5mlbpzk5m4dvcgi5ffjl7-letta-code-0.34.11.drv
error: Cannot build '/nix/store/c6hjbjd5cil5mlbpzk5m4dvcgi5ffjl7-letta-code-0.34.11.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6ggqlg0k86z0r5lhm6s3khl466a4hf31-letta-code-0.34.11
error: Cannot build '/nix/store/95pnj1h2vbny9hzr43jinqvw6lr20srs-check-letta-code.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/b795s08k6pxv9add13x3cqm1swjsdvwn-check-letta-code