these 5 derivations will be built: /nix/store/1l7xmndpkf0jhx2syhsq64s5j52s3pbf-letta-code-0.34.7.tgz.drv /nix/store/r8ffls4cg7cd8my598hrj1blmi4jwl8g-letta-code-src-with-lock.drv /nix/store/8ja657y7iy5a4ckxiqvpp5n931lv7rvn-letta-code-0.34.7-npm-deps.drv /nix/store/l23h8v1nwn7slv2pcglij7yx4630cgz6-letta-code-0.34.7.drv /nix/store/gr87x6h9d5j70y4wzlm8f23lba816q1s-check-letta-code.drv building '/nix/store/4j75982p83afipn622nkxdiiisahmc46-letta-code-0.34.7.tgz.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=22&system=aarch64-darwin' building '/nix/store/4j75982p83afipn622nkxdiiisahmc46-letta-code-0.34.7.tgz.drv' on farm.numtide.com:50051 letta-code-0.34.7.tgz> mac02: building 4j75982p83afipn622nkxdiiisahmc46-letta-code-0.34.7.tgz.drv letta-code-0.34.7.tgz> structuredAttrs is enabled letta-code-0.34.7.tgz> letta-code-0.34.7.tgz> trying https://registry.npmjs.org/@letta-ai/letta-code/-/letta-code-0.34.7.tgz letta-code-0.34.7.tgz> % Total % Received % Xferd Average Speed Time Time Time Current letta-code-0.34.7.tgz> Dload Upload Total Spent Left Speed letta-code-0.34.7.tgz> letta-code-0.34.7.tgz> 0 0 0 0 0 0 0 0 0 letta-code-0.34.7.tgz> 100 6.08M 100 6.08M 0 0 16.18M 0 0 letta-code-0.34.7.tgz> 100 6.08M 100 6.08M 0 0 16.17M 0 0 letta-code-0.34.7.tgz> 100 6.08M 100 6.08M 0 0 16.17M 0 0 building '/nix/store/r8ffls4cg7cd8my598hrj1blmi4jwl8g-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=22&system=aarch64-darwin' building '/nix/store/r8ffls4cg7cd8my598hrj1blmi4jwl8g-letta-code-src-with-lock.drv' on farm.numtide.com:50051 letta-code-src-with-lock> mac02: building r8ffls4cg7cd8my598hrj1blmi4jwl8g-letta-code-src-with-lock.drv building '/nix/store/rsg27hiqpj6c8rlc90gzq3ld59l823b3-letta-code-0.34.7-npm-deps.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' building '/nix/store/rsg27hiqpj6c8rlc90gzq3ld59l823b3-letta-code-0.34.7-npm-deps.drv' on farm.numtide.com:50051 letta-code-0.34.7-npm-deps> mac02: building rsg27hiqpj6c8rlc90gzq3ld59l823b3-letta-code-0.34.7-npm-deps.drv letta-code-0.34.7-npm-deps> Running phase: unpackPhase letta-code-0.34.7-npm-deps> unpacking source archive /nix/store/5qcaxhnfb3x6zxi8ljdpdf0lsagchkdv-letta-code-src-with-lock letta-code-0.34.7-npm-deps> source root is letta-code-src-with-lock letta-code-0.34.7-npm-deps> Running phase: patchPhase letta-code-0.34.7-npm-deps> Running phase: updateAutotoolsGnuConfigScriptsPhase letta-code-0.34.7-npm-deps> Running phase: configurePhase letta-code-0.34.7-npm-deps> no configure script, doing nothing letta-code-0.34.7-npm-deps> Running phase: buildPhase letta-code-0.34.7-npm-deps> Running phase: fixupPhase letta-code-0.34.7-npm-deps> checking for references to /nix/var/nix/builds/nix-34289-2303550294/ in /nix/store/cxlfsji12k46bmpp1kgk941258rlvh87-letta-code-0.34.7-npm-deps... letta-code-0.34.7-npm-deps> patching script interpreter paths in /nix/store/cxlfsji12k46bmpp1kgk941258rlvh87-letta-code-0.34.7-npm-deps building '/nix/store/l23h8v1nwn7slv2pcglij7yx4630cgz6-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=21&system=aarch64-darwin' building '/nix/store/l23h8v1nwn7slv2pcglij7yx4630cgz6-letta-code-0.34.7.drv' on farm.numtide.com:50051 letta-code-0.34.7> mac02: building l23h8v1nwn7slv2pcglij7yx4630cgz6-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/5qcaxhnfb3x6zxi8ljdpdf0lsagchkdv-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 /nix/var/nix/builds/nix-47663-740765768/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 /nix/var/nix/builds/nix-47663-740765768/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: /nix/var/nix/builds/nix-47663-740765768/cache/_logs/2026-10-08T23_48_44_506Z-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/l23h8v1nwn7slv2pcglij7yx4630cgz6-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=21&system=aarch64-darwin' failed: Cannot build '/nix/store/l23h8v1nwn7slv2pcglij7yx4630cgz6-letta-code-0.34.7.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/ym8yzlkkxk1p6h4v1aacbxxcn6c92plk-letta-code-0.34.7 Last 25 log lines: > Running phase: unpackPhase > unpacking source archive /nix/store/5qcaxhnfb3x6zxi8ljdpdf0lsagchkdv-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-47663-740765768/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 /nix/var/nix/builds/nix-47663-740765768/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-47663-740765768/cache/_logs/2026-10-08T23_48_44_506Z-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/l23h8v1nwn7slv2pcglij7yx4630cgz6-letta-code-0.34.7.drv error: Cannot build '/nix/store/l23h8v1nwn7slv2pcglij7yx4630cgz6-letta-code-0.34.7.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/ym8yzlkkxk1p6h4v1aacbxxcn6c92plk-letta-code-0.34.7 error: Cannot build '/nix/store/gr87x6h9d5j70y4wzlm8f23lba816q1s-check-letta-code.drv'. Reason: 1 dependency failed. Output paths: /nix/store/kincw6x7x53v4rcr3mm8fgncb97h7i53-check-letta-code