these 24 derivations will be built:
  /nix/store/p2y8fdmv63dw4k5bzf6brbcjlwqgcbx1-boost.pc.drv
  /nix/store/9vajjbdmyfn1bnl8bi9k25flk4h8rhvx-boost-1.89.0.drv
  /nix/store/fi0jg0dbnbx1dmmln9fs7hy7mlnlhfh7-nix-util-2.36.0pre.drv
  /nix/store/khpwyy2lw3hx16gwhpss91cw6man9lwp-aws-c-io-0.27.2.drv
  /nix/store/2wmy4qi7bd1qhlqahpzwh6jz7f7c7907-aws-c-event-stream-0.7.0.drv
  /nix/store/4r91f3qqm5mmh50ci7wd665d74di2vkz-aws-c-http-0.11.0.drv
  /nix/store/7kcns5fbyzmkpc4b5aa97983xp136kna-aws-c-auth-0.9.1.drv
  /nix/store/g6dkgl87cn0fajplvbrw76bk3sg2r7v7-aws-c-mqtt-0.13.3.drv
  /nix/store/wxhr1zlqkrfip0bshg37c24fpscx4sxg-aws-c-s3-0.8.7.drv
  /nix/store/njh5lzghirza33q2siczw60kp2nhnccf-aws-crt-cpp-0.34.3.drv
  /nix/store/9ll422a22mhy54ny3h5nmvcixif77zjm-nix-store-2.36.0pre.drv
  /nix/store/djqcy7pnachv6kc7z16njfgfprwngals-nix-fetchers-2.36.0pre.drv
  /nix/store/jjgq864n0id3bsf79wazi7dkj5wzbkgq-nix-expr-2.36.0pre.drv
  /nix/store/c3v22i21aaaal3r17n5m7w2bdwvibc0a-nix-flake-2.36.0pre.drv
  /nix/store/wfgzwpjaips030g7i4szwa4ywc20fn5b-nix-main-2.36.0pre.drv
  /nix/store/38mdbvjcflrids4wvadb7lrlzs7qdrx4-nix-cmd-2.36.0pre.drv
  /nix/store/5fjrr0px9kq3hkp8y7vap93r0aqxyzmv-nix-util-c-2.36.0pre.drv
  /nix/store/f0xbbl54r4ahcq60h5rdk5kpnnhkzj9k-nix-store-c-2.36.0pre.drv
  /nix/store/6x59fkbzg4wlblmnbyll30hyxppvj72z-nix-expr-c-2.36.0pre.drv
  /nix/store/bhcrn8qv6k0a62yzkfz16rc6b3lzay24-nix-main-c-2.36.0pre.drv
  /nix/store/zi8l208xsj9plqqljjsgk90210365b9b-nix-fetchers-c-2.36.0pre.drv
  /nix/store/kpiszxrcqvinmr2s5bfz32ymyh4dm6vc-nix-flake-c-2.36.0pre.drv
  /nix/store/061paam8gpz41i86i602hhm0871fcb42-nix-2.36.0pre20261015_c9f81f4.drv
  /nix/store/ad5z40wdl06xx38ifhpjak47skngbyr4-filetransfer-retry-backoff.drv
this path will be fetched (683.1 KiB download, 2.4 MiB unpacked):
  /nix/store/0677wkv1xfpg1p29rwvja399ida95wwg-boost-build-boost-1.89.0
error: Cannot build '/nix/store/9ll422a22mhy54ny3h5nmvcixif77zjm-nix-store-2.36.0pre.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/g1m41l498khknnbrcx84rkjmffc9pysj-nix-store-2.36.0pre-dev
         /nix/store/sfnqayydqmk21yqk4jh791xja9cazwkw-nix-store-2.36.0pre
       Last 25 log lines:
       >       |             ~~~~~~~^~~~~~~
       > /private/var/tb/2/scratch/74dafc184baae3b1/build/source/src/libstore/meson-build-dir/../build/derivation-building-goal.cc:1098:17: note: in instantiation of function template specialization 'nix::Goal::AwaitableFrame<std::variant<std::variant<nix::BuildResult::Success, nix::BuildError>, nix::DerivationBuildingGoal::NeedsSlot>>::return_value<nix::Goal::Co<std::variant<std::variant<nix::BuildResult::Success, nix::BuildError>, nix::DerivationBuildingGoal::NeedsSlot>>>' requested here
       >  1098 |                 co_return buildLocally(
       >       |                 ^
       > /nix/store/9z187ss3liak3pngakax2ip7nb1dc7z5-libcxx-21.1.6+apple-sdk-26.5/include/c++/v1/optional:763:60: note: candidate template ignored: requirement 'is_constructible_v<std::variant<std::variant<nix::BuildResult::Success, nix::BuildError>, nix::DerivationBuildingGoal::NeedsSlot>, nix::Goal::Co<std::variant<std::variant<nix::BuildResult::Success, nix::BuildError>, nix::DerivationBuildingGoal::NeedsSlot>>>' was not satisfied [with _Args = <nix::Goal::Co<std::variant<std::variant<nix::BuildResult::Success, nix::BuildError>, nix::DerivationBuildingGoal::NeedsSlot>>>]
       >   763 |   _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp& emplace(_Args&&... __args) {
       >       |                                                            ^
       > /nix/store/9z187ss3liak3pngakax2ip7nb1dc7z5-libcxx-21.1.6+apple-sdk-26.5/include/c++/v1/optional:772:60: note: candidate template ignored: could not match 'initializer_list' against 'nix::Goal::Co'
       >   772 |   _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp& emplace(initializer_list<_Up> __il, _Args&&... __args) {
       >       |                                                            ^
       > In file included from libnixstore.2.36.0.dylib.p/nixstore-unity0.cpp:4:
       > In file included from /private/var/tb/2/scratch/74dafc184baae3b1/build/source/src/libstore/meson-build-dir/../build/derivation-builder-impl.cc:1:
       > In file included from ../build/derivation-builder-impl.hh:5:
       > In file included from ../include/nix/store/local-store.hh:4:
       > ../include/nix/store/sqlite.hh:173:9: warning: private field 'errNo' is not used [-Wunused-private-field]
       >   173 |     int errNo, extendedErrNo, offset;
       >       |         ^
       > ../include/nix/store/sqlite.hh:173:16: warning: private field 'extendedErrNo' is not used [-Wunused-private-field]
       >   173 |     int errNo, extendedErrNo, offset;
       >       |                ^
       > ../include/nix/store/sqlite.hh:173:31: warning: private field 'offset' is not used [-Wunused-private-field]
       >   173 |     int errNo, extendedErrNo, offset;
       >       |                               ^
       > 3 warnings and 2 errors generated.
       > ninja: build stopped: subcommand failed.
       For full logs, run:
         nix log /nix/store/9ll422a22mhy54ny3h5nmvcixif77zjm-nix-store-2.36.0pre.drv
error: Cannot build '/nix/store/djqcy7pnachv6kc7z16njfgfprwngals-nix-fetchers-2.36.0pre.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/hs44pk8kn6yqvn14nq2vxnphj46mybqh-nix-fetchers-2.36.0pre-dev
         /nix/store/ng39grwv0n1nckhwyvsp2js1xx4avwqp-nix-fetchers-2.36.0pre
error: Cannot build '/nix/store/f0xbbl54r4ahcq60h5rdk5kpnnhkzj9k-nix-store-c-2.36.0pre.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/axwgrzgjm33kkmscf6y1851b4c713dgp-nix-store-c-2.36.0pre-dev
         /nix/store/kiwhrsx0bb626igan3rsgicavl1h958r-nix-store-c-2.36.0pre
error: Cannot build '/nix/store/jjgq864n0id3bsf79wazi7dkj5wzbkgq-nix-expr-2.36.0pre.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/5ywm5kp0i85s600av0z95nvqpdp8s5jq-nix-expr-2.36.0pre
         /nix/store/vi17q15gynz8ncdnh8pghlkav5vpvp34-nix-expr-2.36.0pre-dev
error: Cannot build '/nix/store/6x59fkbzg4wlblmnbyll30hyxppvj72z-nix-expr-c-2.36.0pre.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/36cijyhb8hf7cv8zvw3xr4gdb1jqv7c8-nix-expr-c-2.36.0pre
         /nix/store/sai7f3xfma4hpdy7dg3fl0k6csvrncrm-nix-expr-c-2.36.0pre-dev
error: Cannot build '/nix/store/c3v22i21aaaal3r17n5m7w2bdwvibc0a-nix-flake-2.36.0pre.drv'.
       Reason: 3 dependencies failed.
       Output paths:
         /nix/store/6rz592wq908qf25c2kwg7n0c7pdvi4a5-nix-flake-2.36.0pre-dev
         /nix/store/fil7gbg1bwm7w25dzh2qlcjd79gii3rh-nix-flake-2.36.0pre
error: Cannot build '/nix/store/wfgzwpjaips030g7i4szwa4ywc20fn5b-nix-main-2.36.0pre.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/q8ikckmm571mv40g8nni4zn7jl9ck9ja-nix-main-2.36.0pre-dev
         /nix/store/rgjz81cp8209aj0c8y4c5szjrzlisk4n-nix-main-2.36.0pre
error: Cannot build '/nix/store/38mdbvjcflrids4wvadb7lrlzs7qdrx4-nix-cmd-2.36.0pre.drv'.
       Reason: 5 dependencies failed.
       Output paths:
         /nix/store/35r3qv1jspffvffhd3dyhkkpf3hkf0nd-nix-cmd-2.36.0pre-dev
         /nix/store/5qnrvs0f60473d39c18hby0261b9b2x4-nix-cmd-2.36.0pre
error: Cannot build '/nix/store/zi8l208xsj9plqqljjsgk90210365b9b-nix-fetchers-c-2.36.0pre.drv'.
       Reason: 3 dependencies failed.
       Output paths:
         /nix/store/d6580a4xa22sncykwjd7di83wji5pnny-nix-fetchers-c-2.36.0pre-dev
         /nix/store/yvlfqlkgh987n5f5ax6bf7n8m0qj9gfr-nix-fetchers-c-2.36.0pre
error: Cannot build '/nix/store/bhcrn8qv6k0a62yzkfz16rc6b3lzay24-nix-main-c-2.36.0pre.drv'.
       Reason: 3 dependencies failed.
       Output paths:
         /nix/store/032fp7grm89zd58id5f3847r0wb8ppaw-nix-main-c-2.36.0pre-dev
         /nix/store/8cxr321j1vd4j27lsyxia1r4182hfy9s-nix-main-c-2.36.0pre
error: Cannot build '/nix/store/kpiszxrcqvinmr2s5bfz32ymyh4dm6vc-nix-flake-c-2.36.0pre.drv'.
       Reason: 4 dependencies failed.
       Output paths:
         /nix/store/3fkdd9fjcljz211zcqhwhbxj0rpahrk4-nix-flake-c-2.36.0pre
         /nix/store/ywgnwv1px5n7glpwygg3xdn28g1dn4gm-nix-flake-c-2.36.0pre-dev
error: Cannot build '/nix/store/061paam8gpz41i86i602hhm0871fcb42-nix-2.36.0pre20261015_c9f81f4.drv'.
       Reason: 9 dependencies failed.
       Output paths:
         /nix/store/kc312ahbw5z7gyq16mj9whl2yra3zlx2-nix-2.36.0pre20261015_c9f81f4
error: Cannot build '/nix/store/ad5z40wdl06xx38ifhpjak47skngbyr4-filetransfer-retry-backoff.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/m1r0nb07vb6n0n0ivr65xnpjag1s9f7f-filetransfer-retry-backoff