In reply to @commentator2.0:elia.garden
https://github.com/NixOS/nix/commit/0275b64b816223220c357bfc8ac6f0441980692d cpp nix seems to be getting a dummy-store

[src/diffing.rs:79:21] &file = "./tests/functional/lang/eval-fail-toJSON-non-utf-8.nix"
[src/diffing.rs:79:21] &line = "Lix crashed. This is a bug. We would appreciate if you report it along with what caused it at https://git.lix.systems/lix-project/lix/issues with the following information included:"
[src/diffing.rs:79:21] &stderr = "Lix crashed. This is a bug. We would appreciate if you report it along with what caused it at https://git.lix.systems/lix-project/lix/issues with the following information included:\n\nException: nlohmann::json_abi_v3_11_3::detail::type_error: [json.exception.type_error.316] invalid UTF-8 byte at index 16: 0xFF\nStack trace:\n 0# nix::getStackTrace[abi:cxx11]() in /nix/store/p89s0as08llbz0v12ph7cyc7v373x97p-lix-2.95.0pre19700101-dev_dirty/lib/liblixutil.so\n 1# nix::logException(std::basic_string_view<char, std::char_traits<char> >, std::exception const&) in /nix/store/p89s0as08llbz0v12ph7cyc7v373x97p-lix-2.95.0pre19700101-dev_dirty/lib/liblixutil.so\n 2# 0x00007FFFF7F8EAB4 in /nix/store/p89s0as08llbz0v12ph7cyc7v373x97p-lix-2.95.0pre19700101-dev_dirty/lib/liblixmain.so\n 3# 0x00007FFFF60BF1AA in /nix/store/dj06r96j515npcqi9d8af1d1c60bx2vn-gcc-14.3.0-lib/lib/libstdc++.so.6\n 4# std::unexpected() in /nix/store/dj06r96j515npcqi9d8af1d1c60bx2vn-gcc-14.3.0-lib/lib/libstdc++.so.6\n 5# 0x00007FFFF60BF427 in /nix/store/dj06r96j515npcqi9d8af1d1c60bx2vn-gcc-14.3.0-lib/lib/libstdc++.so.6\n 6# nlohmann::json_abi_v3_11_3::detail::serializer<nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> >::dump_escaped(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool) in nix-instantiate\n 7# nlohmann::json_abi_v3_11_3::detail::serializer<nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> >::dump(nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> const&, bool, bool, unsigned int, unsigned int) in nix-instantiate\n 8# nlohmann::json_abi_v3_11_3::detail::serializer<nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> >::dump(nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> const&, bool, bool, unsigned int, unsigned int) in nix-instantiate\n 9# nlohmann::json_abi_v3_11_3::detail::serializer<nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> >::dump(nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> const&, bool, bool, unsigned int, unsigned int) in nix-instantiate\n10# nlohmann::json_abi_v3_11_3::detail::serializer<nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> >::dump(nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void> const&, bool, bool, unsigned int, unsigned int) in nix-instantiate\n11# nlohmann::json_abi_v3_11_3::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nix::json::adl_serializer, std::vector<unsigned char, std::allocator<unsigned char> >, void>::dump(int, char, bool, nlohmann::json_abi_v3_11_3::detail::error_handler_t) const in nix-instantiate\n12# 0x000055555580F2A9 in nix-instantiate\n13# 0x000055555581122D in nix-instantiate\n14# 0x0000555555673DDB in nix-instantiate\n15# 0x000055555571C57C in nix-instantiate\n16# 0x000055555572093B in nix-instantiate\n17# nix::handleExceptions(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::function<int ()>) in /nix/store/p89s0as08llbz0v12ph7cyc7v373x97p-lix-2.95.0pre19700101-dev_dirty/lib/liblixmain.so\n18# 0x00005555557201EB in nix-instantiate\n19# 0x00007FFFF5C2A47E in /nix/store/g8zyryr9cr6540xsyg4avqkwgxpnwj2a-glibc-2.40-66/lib/libc.so.6\n20# __libc_start_main in /nix/store/g8zyryr9cr6540xsyg4avqkwgxpnwj2a-glibc-2.40-66/lib/libc.so.6\n21# 0x00005555556377F5 in nix-instantiate\n\n"

In reply to @raitobezarius:matrix.org
An incident has hit our Darwin capacity which is resolved: https://zulip.lix.systems/#narrow/channel/7-Infra/topic/.E2.9C.94.20.5B30.2F11.2F2025.5D.20macOS.20machines.20cannot.20complete.20builds/with/2762

In reply to @puck:puck.moe
well, i mean, i have Opinions on what is represented in a .drv, and really, what the usecase of a .drv is