1these 3 derivations will be built:2 /nix/store/amwcai3g1zjf94s5w1xkdgp21hrd8r8h-letta-code-src-with-lock.drv3 /nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv4 /nix/store/5ywflz93qnq0zy3r3zd2vnif7dqq2sq3-check-letta-code.drv5error: build of '/nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.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=20&system=aarch64-linux' failed: Cannot build '/nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv'.6 Reason: builder failed with exit code 1.7 Output paths:8 /nix/store/vzr7k4ib4zckkila85cf93z5yibw8qkz-letta-code-0.34.79 Last 25 log lines:10 > Running phase: unpackPhase11 > unpacking source archive /nix/store/5hiqriqdv4dkr2pfajbl51k80lr342nc-letta-code-src-with-lock12 > source root is letta-code-src-with-lock13 > Running phase: patchPhase14 > Executing npmConfigHook15 > Configuring npm16 > Validating consistency between /build/letta-code-src-with-lock/npm-shrinkwrap.json and /nix/store/cxlfsji12k46bmpp1kgk941258rlvh87-letta-code-0.34.7-npm-deps/package-lock.json17 > Making cache writable18 > Setting npm_config_cache to /build/cache19 > Installing dependencies20 > 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.21 > 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.22 > 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.23 > npm error code ENOTCACHED24 > npm error request to https://registry.npmjs.org/@modelcontextprotocol%2fserver-everything failed: cache mode is 'only-if-cached' but no cached response is available.25 > npm error A complete log of this run can be found in: /build/cache/_logs/2026-10-08T23_50_39_782Z-debug-0.log26 >27 > ERROR: npm failed to install dependencies28 >29 > Here are a few things you can try, depending on the error:30 > 1. Set `npmDepsFetcherVersion = 2` (and update `npmDepsHash`)31 > 2. Set `makeCacheWritable = true`32 > 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.33 > 3. Set `npmFlags = [ "--legacy-peer-deps" ]`34 >35 For full logs, run:36 nix log /nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv37error: Cannot build '/nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv'.38 Reason: builder failed with exit code 1.39 Output paths:40 /nix/store/vzr7k4ib4zckkila85cf93z5yibw8qkz-letta-code-0.34.741error: Cannot build '/nix/store/5ywflz93qnq0zy3r3zd2vnif7dqq2sq3-check-letta-code.drv'.42 Reason: 1 dependency failed.43 Output paths:44 /nix/store/pcswzjdslsyl6qw5lrxmpsqalq4x8xjz-check-letta-code