these 28 derivations will be built:
  /nix/store/8ddhxvli270pv476mhm00za9r01zhisx-source.drv
  /nix/store/mbdg13wbgngcb84fsb4qz98wvbc723qq-concord-mcp-pnpm-deps.drv
  /nix/store/fc06pzfl01gd4cxcsx9wc8a9vzwlrnwx-concord-mcp-0.20.0.drv
  /nix/store/03b5cwfbhkylbm0rcrza7x5d2xc0pmc4-claude-code-mcp.json.drv
  /nix/store/h6a9d3lcrh1mmcn9j560fgn15xalnjac-codex-config.drv
  /nix/store/6fylilr9r26w7nqns8wzs3njl9x1wsv7-codex-config.toml.drv
  /nix/store/xwxyn9a68cbgkm9177sk1s7gkbs204pv-antigravity-cli-mcp-config.json.drv
  /nix/store/dylhjnssd0549q5jczghdspnjnmwcdwb-activation-script.drv
  /nix/store/79qhsnavy4qmv2j2sfwfpz6dgsjrckyd-github-copilot-cli-mcp-config.json.drv
  /nix/store/g10i77fby3ncjbiyg9s25wnc5a7jccq9-hm_copilothooksconcord.json.drv
  /nix/store/h8z502x5wgb9fwz40qb26m213x0b9ddg-opencode.json.drv
  /nix/store/hszn9ahxvd81nws1zfz8ywxhcbz9y89c-hm_.geminiconfighooks.json.drv
  /nix/store/qxr0hgb933awls0b1dnz74jwi016ivvw-home-manager-path.drv
  /nix/store/nw9dyqqqjgkm6k572m7dfc8d9qwr5x3n-hm_hmfontconfigfonts.xml.drv
  /nix/store/rnrwgkdgkl6v52dav72c8f0fmrc2m9wb-claude-code-hm-plugin.drv
  /nix/store/z5ag15jaw7gjxkqrymgfypqb10in0q18-mcp.json.drv
  /nix/store/zfdcrp60b581zk12jbpsj9iasx720873-claude-code-concord-relay.drv
  /nix/store/fw9wski87gciy6bi26h8971k086i0kls-home-manager-files.drv
  /nix/store/m41w0w79h963abkih2nn0sh1d8pv9m6b-hm-putter.json.drv
  /nix/store/67d6d88lz39pqx5gqm34kbbb5hy20xcf-home-manager-generation.drv
  /nix/store/aqd37cd3ah1lisw1pvbwgk5wl9d1kcwr-codex-managed-hooks.drv
  /nix/store/kwvkz0yc2h2z7qc1cqm0zm1l3qys3waq-etc-codex-requirements.toml.drv
  /nix/store/lysmhys87dq9cri3v8sva9vcw8p6q7yb-unit-home-manager-pschmitt.service.drv
  /nix/store/w5np5lskmqd06v6g2vgld3nbc21baawz-system-units.drv
  /nix/store/zi2xzckn405h7cmp6lj54zbxivwajkk9-user-environment.drv
  /nix/store/ykrr8cj54m2gsa4gmdz9q0hhg3vr267i-etc.drv
  /nix/store/sxvnv55b58qlf08h2mirqy8v2f196bvb-activate.drv
  /nix/store/94bccwpqcmfdy5s93mrf4z3bih74gcr5-nixos-system-gk4-26.11.20261103.1d06008.drv
building '/nix/store/8ddhxvli270pv476mhm00za9r01zhisx-source.drv'
source> structuredAttrs is enabled
source> 
source> trying https://github.com/Get-Concord-AI/concord-mcp/archive/v0.20.0.tar.gz
source>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
source>                                  Dload  Upload  Total   Spent   Left   Speed
source> 
source>   0      0   0      0   0      0      0      0                              0
source>   0      0   0      0   0      0      0      0                              0
source>   0      0   0      0   0      0      0      0                              0
source> 
source>   0      0   0      0   0      0      0      0                              0
source> 100  1.30M 100  1.30M   0      0  4.83M      0                              0
source> 100  1.30M 100  1.30M   0      0  4.83M      0                              0
source> 100  1.30M 100  1.30M   0      0  4.83M      0                              0
source> unpacking source archive /build/download.tar.gz
error: hash mismatch in fixed-output derivation '/nix/store/8ddhxvli270pv476mhm00za9r01zhisx-source.drv':
         specified: sha256-ocI6BbYxJinZOiY4MSjZmWnT4o2bLVWBqJxZ5AkFP3k=
            got:    sha256-xGge5VUxx9MqBlF9WJHZIumtkEalmj+5kE8jxaMGDtM=
error: Cannot build '/nix/store/mbdg13wbgngcb84fsb4qz98wvbc723qq-concord-mcp-pnpm-deps.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/5sy76pcmirx1ipj08xjvbmrk3ymk07kf-concord-mcp-pnpm-deps
error: Cannot build '/nix/store/fc06pzfl01gd4cxcsx9wc8a9vzwlrnwx-concord-mcp-0.20.0.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/ibvc040p4gxcks5bw9aiwlp20m7ldzyk-concord-mcp-0.20.0
error: Cannot build '/nix/store/xwxyn9a68cbgkm9177sk1s7gkbs204pv-antigravity-cli-mcp-config.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/lb6q7pqzlp9zc5pq5b784vfac2k8kjvr-antigravity-cli-mcp-config.json
error: Cannot build '/nix/store/zfdcrp60b581zk12jbpsj9iasx720873-claude-code-concord-relay.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/l8jz1ra4vliqym62m8vjh96n50rx4837-claude-code-concord-relay
error: Cannot build '/nix/store/03b5cwfbhkylbm0rcrza7x5d2xc0pmc4-claude-code-mcp.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/b3r5byg1zag131dy7lvnlzvzzsf25632-claude-code-mcp.json
error: Cannot build '/nix/store/h6a9d3lcrh1mmcn9j560fgn15xalnjac-codex-config.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/g6pdj0chbn29zl8gq1v8jvz9mcfigy35-codex-config
error: Cannot build '/nix/store/aqd37cd3ah1lisw1pvbwgk5wl9d1kcwr-codex-managed-hooks.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/rz9bwarafl60xk5rslkx8pnq28lb6h12-codex-managed-hooks
error: Cannot build '/nix/store/79qhsnavy4qmv2j2sfwfpz6dgsjrckyd-github-copilot-cli-mcp-config.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/3i5w94ikaski6llybq2gszsjkl9005fp-github-copilot-cli-mcp-config.json
error: Cannot build '/nix/store/hszn9ahxvd81nws1zfz8ywxhcbz9y89c-hm_.geminiconfighooks.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/i2mcr8i4fmgdd7hlb4fklh10rwvsnjkp-hm_.geminiconfighooks.json
error: Cannot build '/nix/store/g10i77fby3ncjbiyg9s25wnc5a7jccq9-hm_copilothooksconcord.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/pq09qf9hmylb6g5sfkwvdjac0v1j1syx-hm_copilothooksconcord.json
error: Cannot build '/nix/store/qxr0hgb933awls0b1dnz74jwi016ivvw-home-manager-path.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/pswv2v25gxawq5k8r4xxxkk2cnp4pnlc-home-manager-path
error: Cannot build '/nix/store/z5ag15jaw7gjxkqrymgfypqb10in0q18-mcp.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/r0cfn6iysbxv40jiwxp1xpcdib7f1hxi-mcp.json
error: Cannot build '/nix/store/h8z502x5wgb9fwz40qb26m213x0b9ddg-opencode.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/mbkrragrbn3c68r2i1m2zyfc4l435bni-opencode.json
error: Cannot build '/nix/store/rnrwgkdgkl6v52dav72c8f0fmrc2m9wb-claude-code-hm-plugin.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/h5zhaljcbvsnpvhfly1z89gy0kgfq49b-claude-code-hm-plugin
error: Cannot build '/nix/store/6fylilr9r26w7nqns8wzs3njl9x1wsv7-codex-config.toml.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/m3djrx4akv9xndlp4z5jjm8kfjg9n5r8-codex-config.toml
error: Cannot build '/nix/store/kwvkz0yc2h2z7qc1cqm0zm1l3qys3waq-etc-codex-requirements.toml.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/jz0ilzzm30c9i3ayizw81qqff4gmkbxx-etc-codex-requirements.toml
error: Cannot build '/nix/store/nw9dyqqqjgkm6k572m7dfc8d9qwr5x3n-hm_hmfontconfigfonts.xml.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/g01bdcww8wapjf5b695g7k7abb0vr1m3-hm_hmfontconfigfonts.xml
error: Cannot build '/nix/store/zi2xzckn405h7cmp6lj54zbxivwajkk9-user-environment.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/4qfdrxmp2czba6qz3faljibgbvi9555v-user-environment
error: Cannot build '/nix/store/dylhjnssd0549q5jczghdspnjnmwcdwb-activation-script.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/c8chr7fk38rl90vlfchkclv0id7b704b-activation-script
error: Cannot build '/nix/store/fw9wski87gciy6bi26h8971k086i0kls-home-manager-files.drv'.
       Reason: 10 dependencies failed.
       Output paths:
         /nix/store/9sy3b082bc4c6rard7yj0f7w35yaw6kj-home-manager-files
error: Cannot build '/nix/store/m41w0w79h963abkih2nn0sh1d8pv9m6b-hm-putter.json.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/sh1pwccpqv0960gd8cyywbcn1h42rs7n-hm-putter.json
error: Cannot build '/nix/store/67d6d88lz39pqx5gqm34kbbb5hy20xcf-home-manager-generation.drv'.
       Reason: 4 dependencies failed.
       Output paths:
         /nix/store/4rkwcy354j0inyx3ls3lbifpfn1pvvsy-home-manager-generation
error: Cannot build '/nix/store/lysmhys87dq9cri3v8sva9vcw8p6q7yb-unit-home-manager-pschmitt.service.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/f6di9120qclzrz7ymd9v1gakns928nvx-unit-home-manager-pschmitt.service
error: Cannot build '/nix/store/w5np5lskmqd06v6g2vgld3nbc21baawz-system-units.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/53z3czg437qf72x333q26hzv4dk5nlbg-system-units
error: Cannot build '/nix/store/ykrr8cj54m2gsa4gmdz9q0hhg3vr267i-etc.drv'.
       Reason: 3 dependencies failed.
       Output paths:
         /nix/store/1rsp1j67m8sjd152dn3s0lcjfjpq4y69-etc
error: Cannot build '/nix/store/sxvnv55b58qlf08h2mirqy8v2f196bvb-activate.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/f6l3mx4c12f2bh56a8v6sb1l65afbyg7-activate
error: Cannot build '/nix/store/94bccwpqcmfdy5s93mrf4z3bih74gcr5-nixos-system-gk4-26.11.20261103.1d06008.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/6s2fi0k8flxya8m1y65vai96akwj0s0f-nixos-system-gk4-26.11.20261103.1d06008