these 3 derivations will be built:
  /nix/store/amwcai3g1zjf94s5w1xkdgp21hrd8r8h-letta-code-src-with-lock.drv
  /nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv
  /nix/store/5ywflz93qnq0zy3r3zd2vnif7dqq2sq3-check-letta-code.drv
building '/nix/store/amwcai3g1zjf94s5w1xkdgp21hrd8r8h-letta-code-src-with-lock.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'
building '/nix/store/amwcai3g1zjf94s5w1xkdgp21hrd8r8h-letta-code-src-with-lock.drv' on farm.numtide.com:50051
letta-code-src-with-lock> elastic-arm-0f89b4f7: building amwcai3g1zjf94s5w1xkdgp21hrd8r8h-letta-code-src-with-lock.drv
building '/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'
building '/nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv' on farm.numtide.com:50051
letta-code-0.34.7> elastic-arm-0f89b4f7: building mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv
letta-code-0.34.7> Using versionCheckHook
letta-code-0.34.7> Running phase: unpackPhase
letta-code-0.34.7> unpacking source archive /nix/store/5hiqriqdv4dkr2pfajbl51k80lr342nc-letta-code-src-with-lock
letta-code-0.34.7> source root is letta-code-src-with-lock
letta-code-0.34.7> Running phase: patchPhase
letta-code-0.34.7> Executing npmConfigHook
letta-code-0.34.7> Configuring npm
letta-code-0.34.7> 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.json
letta-code-0.34.7> Making cache writable
letta-code-0.34.7> Setting npm_config_cache to /build/cache
letta-code-0.34.7> Installing dependencies
letta-code-0.34.7> 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.
letta-code-0.34.7> 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.
letta-code-0.34.7> 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.
letta-code-0.34.7> npm error code ENOTCACHED
letta-code-0.34.7> npm error request to https://registry.npmjs.org/@modelcontextprotocol%2fserver-everything failed: cache mode is 'only-if-cached' but no cached response is available.
letta-code-0.34.7> npm error A complete log of this run can be found in: /build/cache/_logs/2026-10-08T23_50_39_782Z-debug-0.log
letta-code-0.34.7> 
letta-code-0.34.7> ERROR: npm failed to install dependencies
letta-code-0.34.7> 
letta-code-0.34.7> Here are a few things you can try, depending on the error:
letta-code-0.34.7> 1. Set `npmDepsFetcherVersion = 2` (and update `npmDepsHash`)
letta-code-0.34.7> 2. Set `makeCacheWritable = true`
letta-code-0.34.7>   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.
letta-code-0.34.7> 3. Set `npmFlags = [ "--legacy-peer-deps" ]`
letta-code-0.34.7> 
error: 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'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/vzr7k4ib4zckkila85cf93z5yibw8qkz-letta-code-0.34.7
       Last 25 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/5hiqriqdv4dkr2pfajbl51k80lr342nc-letta-code-src-with-lock
       > source root is letta-code-src-with-lock
       > Running phase: patchPhase
       > Executing npmConfigHook
       > Configuring npm
       > 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.json
       > Making cache writable
       > Setting npm_config_cache to /build/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: /build/cache/_logs/2026-10-08T23_50_39_782Z-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/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv
error: Cannot build '/nix/store/mgwp725r8x25imqr2ns9fg1jmffh1nh9-letta-code-0.34.7.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/vzr7k4ib4zckkila85cf93z5yibw8qkz-letta-code-0.34.7
error: Cannot build '/nix/store/5ywflz93qnq0zy3r3zd2vnif7dqq2sq3-check-letta-code.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/pcswzjdslsyl6qw5lrxmpsqalq4x8xjz-check-letta-code