these 5 derivations will be built: /nix/store/rncagaby6mzf6nb2ygw7cskqblm42zd0-letta-code-0.34.8.tgz.drv /nix/store/vlqsxnqh3azxmd30k38y93qkwr1cdyhm-letta-code-src-with-lock.drv /nix/store/1kixpqg5bqinx6hcmfnkic0s98gl8iym-letta-code-0.34.8-npm-deps.drv /nix/store/4cdyayy8ddc2q162cxv2nacgv4ckrypj-letta-code-0.34.8.drv /nix/store/wh94spxszw7bnz7r6r2ap46fnvlplw99-check-letta-code.drv error: build of '/nix/store/4cdyayy8ddc2q162cxv2nacgv4ckrypj-letta-code-0.34.8.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-darwin' failed: Cannot build '/nix/store/4cdyayy8ddc2q162cxv2nacgv4ckrypj-letta-code-0.34.8.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/a89ghh49wjbszwcgj20a6w7r271pwdp1-letta-code-0.34.8 Last 25 log lines: > Running phase: unpackPhase > unpacking source archive /nix/store/bk9zrqlvwpych55cdzfspp5if4b0gpam-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-60885-3035232537/letta-code-src-with-lock/npm-shrinkwrap.json and /nix/store/s818f4nqxr8fngjb2al1x4hl5yjshfqp-letta-code-0.34.8-npm-deps/package-lock.json > Making cache writable > Setting npm_config_cache to /nix/var/nix/builds/nix-60885-3035232537/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-60885-3035232537/cache/_logs/2026-10-09T05_06_35_273Z-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/4cdyayy8ddc2q162cxv2nacgv4ckrypj-letta-code-0.34.8.drv error: Cannot build '/nix/store/4cdyayy8ddc2q162cxv2nacgv4ckrypj-letta-code-0.34.8.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/a89ghh49wjbszwcgj20a6w7r271pwdp1-letta-code-0.34.8 error: Cannot build '/nix/store/wh94spxszw7bnz7r6r2ap46fnvlplw99-check-letta-code.drv'. Reason: 1 dependency failed. Output paths: /nix/store/qd8y11bmaq0wf72qvs6bhxhj5vk62hzl-check-letta-code