1this derivation will be built:2 /nix/store/3ycsw4sg3q084dv39f6pl1ncdn7ri3ra-nix-grpc-store-plugin-0.2.2.drv3error: Cannot build '/nix/store/3ycsw4sg3q084dv39f6pl1ncdn7ri3ra-nix-grpc-store-plugin-0.2.2.drv'.4 Reason: builder failed with exit code 1.5 Output paths:6 /nix/store/lbvx13py03cy2ba3xqhj94yplkyrs85q-nix-grpc-store-plugin-0.2.27 Last 25 log lines:8 > In file included from ../src/client/nar-fetcher.hh:44:9 > ../src/pump.hh:209:25: error: using declaration in class refers into 'nix', which is not a class10 > 209 | MakeError(StreamClosed, nix::Error);11 > | ^~~~~12 > /nix/store/b4aakd6xdc29045vnqy5cs12cg8n5zq0-nix-util-2.31.6-dev/include/nix/util/error.hh:218:27: note: expanded from macro 'MakeError'13 > 218 | using superClass::superClass; \14 > | ^~~~~~~~~~15 > In file included from ../src/client/build.cc:3:16 > In file included from ../src/client/store.hh:85:17 > In file included from ../src/client/nar-fetcher.hh:44:18 > ../src/pump.hh:229:19: error: no matching conversion for functional-style cast from 'const char[46]' to 'StreamClosed'19 > 229 | throw StreamClosed("gRPC stream closed by peer during bulk import");20 > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~21 > ../src/pump.hh:209:11: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const char[46]' to 'const StreamClosed' for 1st argument22 > 209 | MakeError(StreamClosed, nix::Error);23 > | ^~~~~~~~~~~~24 > ../src/pump.hh:209:11: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'const char[46]' to 'StreamClosed' for 1st argument25 > 209 | MakeError(StreamClosed, nix::Error);26 > | ^~~~~~~~~~~~27 > ../src/pump.hh:209:11: note: candidate constructor (the implicit default constructor) not viable: requires 0 arguments, but 1 was provided28 > /nix/store/b4aakd6xdc29045vnqy5cs12cg8n5zq0-nix-util-2.31.6-dev/include/nix/util/error.hh:215:11: note: expanded from macro 'MakeError'29 > 215 | class newClass : public superClass \30 > | ^31 > 3 errors generated.32 > ninja: build stopped: subcommand failed.33 For full logs, run:34 nix log /nix/store/3ycsw4sg3q084dv39f6pl1ncdn7ri3ra-nix-grpc-store-plugin-0.2.2.drv