warning: ignoring untrusted flake configuration setting 'extra-substituters'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
Pass '--accept-flake-config' to trust it
building '/nix/store/ds2whkclvngdnx74inx0szz8hfwgx63d-lean-src.drv' on 'ssh-ng://nix-ssh@garnix7'...
copying path '/nix/store/7q90n079fbh3pak5i215iknsf4gmdcg2-source' from 'https://cache.nixos.org'...
copying 0 paths...
building '/nix/store/ds2whkclvngdnx74inx0szz8hfwgx63d-lean-src.drv'...
copying 1 paths...
copying path '/nix/store/dkr1mwcq3bpidkx576v42qkhfpf7wzwl-lean-src' from 'ssh-ng://'...
copying path '/nix/store/qiyfsgdqqq6yyjrsr6wv3jjfk1278zfy-lean-bin-tools-leanc_src' from 'https://cache.garnix.io'...
copying path '/nix/store/a35x9zn7jb61pjpm9pw6k4jai6ckn3md-lean-stage0' from 'https://cache.garnix.io'...
building '/nix/store/krgfqm837c692y9652smy6q2brfdhmlc-LakeMain-deps.json.drv' on 'ssh-ng://nix-ssh@garnix7'...
copying path '/nix/store/a35x9zn7jb61pjpm9pw6k4jai6ckn3md-lean-stage0' from 'https://cache.garnix.io'...
copying 0 paths...
building '/nix/store/krgfqm837c692y9652smy6q2brfdhmlc-LakeMain-deps.json.drv'...
copying 1 paths...
copying path '/nix/store/q182s1qqx3hvlg19nr4mbpkbrpncs9s3-LakeMain-deps.json' from 'ssh-ng://'...
these 39 paths will be fetched (9.27 MiB download, 64.10 MiB unpacked):
  /nix/store/r70afji710cf9xrbsbiqzpjvwqwsgrj0-Init-depRoot
  /nix/store/dv0pvf246mav2jz92sa2bg2cc1qpvklc-Init-lib
  /nix/store/9y8f534wbi8pdrzk2jzz5w1m5hs2ap4j-Init.ByCases-cc
  /nix/store/j6rmd26amsavs25lf2q7v9x1nqb5xvwf-Init.Data.Int.DivMod.Bootstrap-cc
  /nix/store/knngva7q68jjqg8gwlwx1dhrsq3055ds-Init.Data.Int.Linear-cc
  /nix/store/qx8lfrc114lfssdcx6gif231jw4yzfh3-Init.Data.List.MinMax
  /nix/store/yrnppd8h8wldfs788ihyhacn7lr73lyh-Init.Data.Nat.Gcd
  /nix/store/0whzlz8b07bf5f2z620wdzhg5g8ciwgf-Init.Data.Slice.Notation-cc
  /nix/store/q9kzh464zml5fmjbk86hq85kw0lk2gdb-Init.Data.ToString
  /nix/store/9b2i47qj56i26vcdra93cibbh22rqa5j-Init.Data.Vector.Zip-cc
  /nix/store/4w1s91qxvsn54vahzaxpb51kwdrzq9l5-Init.Grind.Attr
  /nix/store/y7crc4fj3c5y110j242fggw4dy1w5k15-Init.Prelude
  /nix/store/ibw7r67j6qhln6vz1bfimyw5z88rcs5b-Init.SizeOf-cc
  /nix/store/x7l7yjbmsjgm0jqb8nz0hkq2nl4fznki-Lake-depRoot
  /nix/store/gb8006wx86z1vvl6gwn4vpbmlcq2pyvv-Lake-lib
  /nix/store/ayjh6jhb7cpj4n0hay6bdk48fvxz00hh-Lake.CLI.Help-cc
  /nix/store/6hjfqa7dyl4h767czv5kyarzaj02m79y-Lean-depRoot
  /nix/store/ramng4bzv3qd53adl8yb698jmlv1qsgn-Lean-lib
  /nix/store/nz3k1my9zyb5jmz2y9jzc5inx41907a7-Lean.Elab.PreDefinition.WF.GuessLex
  /nix/store/rmx166d7yinj8r5pjpyj5jyma0wskv0d-Lean.Elab.Tactic.BVDecide.Frontend.BVDecide.Reify
  /nix/store/7nn5298sxl2vr1baa1ggn5hfy38daznp-Lean.ErrorExplanations.CtorResultingTypeMismatch-cc
  /nix/store/267b89jr8n34kdqyzlha8b0jlmad7jkb-Lean.ErrorExplanations.InferBinderTypeFailed-cc
  /nix/store/frllp4cp9a27c2fcwy5840jn200fxyxj-Lean.Meta-cc
  /nix/store/cdjaq205ws2bn3vq3qd6iqs387r346w8-Lean.Meta.Tactic.Constructor
  /nix/store/pifhppdnvhagy4l5s6zavx6dhpm70n7f-Lean.Meta.Tactic.Grind.Arith.Cutsat.SearchM
  /nix/store/bm40r4ab8ns1nhdd6ijqrmc1lqzfgwgm-Lean.Server.Rpc-cc
  /nix/store/bpsr4szbiyl4wazfwd76cdmlaqajwqrg-Lean.Util.ForEachExpr-cc
  /nix/store/iafjbl0zp114pv83i4nlyis5bgbvi3mr-Std-depRoot
  /nix/store/g7gjjww6b8agb3jjirl0pq3qfw3d0wnx-Std-lib
  /nix/store/5qhdhn0vzr0qhpjazh5smvmgav79dlrf-Std.Data.Iterators.Lemmas.Consumers.Monadic.Collect
  /nix/store/dmbp750307ddb358826m4111mrrqv32p-Std.Tactic.BVDecide.Bitblast.BVExpr.Circuit.Impl.Operations.Append-cc
  /nix/store/cvlbhhrvzfkjl2hrrzhq3vr5gzan1r60-bash-interactive-5.2p37
  /nix/store/k0hhyz6qnj5065vpw15m4r7nbs0mn706-gnumake-4.4.1
  /nix/store/mfhg99b02r77lpcfc0jp2mwj4a22jb7r-lean-bin-tools
  /nix/store/47d0j0fc73kls344nvdxxrl7f4mkgrdw-lean-stage1
  /nix/store/8k59liyfbzfdwjrw0cdimflrdwk1fid4-leanc
  /nix/store/0cny4psv3zc399bd05hjsvvnjc0aynp5-leancpp
  /nix/store/w9vwhghynr63njdvyb0242dbnxql2rcq-libLake_shared-dynlib
  /nix/store/9vfyvsgfiwhqm12pq1a904w10457imn8-nix-shell