1these 5 derivations will be built:2 /nix/store/pf5386fj6mxh9m9g475rdhxi7hxggj0x-letta-code-0.34.10.tgz.drv3 /nix/store/ffm6rh6zhh2wy4kz1zwqldjknfj4jxwd-letta-code-src-with-lock.drv4 /nix/store/6bracavinv7k7wrsp0kj37qqw83j0gi9-letta-code-0.34.10-npm-deps.drv5 /nix/store/w8g2nwamwkk3x654rzc1wyqjfhn4df30-letta-code-0.34.10.drv6 /nix/store/vavl5jabawpdghbcvchvqyc5zgwgj62b-check-letta-code.drv7error: Cannot build '/nix/store/w8g2nwamwkk3x654rzc1wyqjfhn4df30-letta-code-0.34.10.drv'.8 Reason: builder failed with exit code 1.9 Output paths:10 /nix/store/qn4nv9sd1r5gkcngchfkr82nrwfw3bwd-letta-code-0.34.1011 Last 25 log lines:12 > Running phase: unpackPhase13 > unpacking source archive /nix/store/dpqi70m9db5y635bnbqr8gqa6v45215x-letta-code-src-with-lock14 > source root is letta-code-src-with-lock15 > Running phase: patchPhase16 > Executing npmConfigHook17 > Configuring npm18 > Validating consistency between /build/letta-code-src-with-lock/npm-shrinkwrap.json and /nix/store/gcp2zhjpq63wnj3sbbahmz7ali3jadjd-letta-code-0.34.10-npm-deps/package-lock.json19 > Making cache writable20 > Setting npm_config_cache to /build/cache21 > Installing dependencies22 > 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.23 > 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.24 > 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.25 > npm error code ENOTCACHED26 > npm error request to https://registry.npmjs.org/@modelcontextprotocol%2fserver-everything failed: cache mode is 'only-if-cached' but no cached response is available.27 > npm error A complete log of this run can be found in: /build/cache/_logs/2026-10-10T05_26_20_866Z-debug-0.log28 >29 > ERROR: npm failed to install dependencies30 >31 > Here are a few things you can try, depending on the error:32 > 1. Set `npmDepsFetcherVersion = 2` (and update `npmDepsHash`)33 > 2. Set `makeCacheWritable = true`34 > 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.35 > 3. Set `npmFlags = [ "--legacy-peer-deps" ]`36 >37 For full logs, run:38 nix log /nix/store/w8g2nwamwkk3x654rzc1wyqjfhn4df30-letta-code-0.34.10.drv39error: Cannot build '/nix/store/vavl5jabawpdghbcvchvqyc5zgwgj62b-check-letta-code.drv'.40 Reason: 1 dependency failed.41 Output paths:42 /nix/store/39f0qy0mxfrxhwf19kk6hdvrbddqx031-check-letta-code