yarn run v1.22.5
$ cross-env DEBUG="*" yarn prisma introspect
$ G:\Code\Projects\NewValkyrja\Valkyrja.web\node_modules\.bin\prisma introspect
Environment variables loaded from prisma\.env

Introspecting based on datasource defined in prisma\schema.prisma …
  IntrospectionEngine:rpc starting introspection engine with binary: G:\Code\Projects\NewValkyrja\Valkyrja.web\node_modules\@prisma\cli\introspection-engine-windows.exe +0ms
  IntrospectionEngine:rpc SENDING RPC CALL {"id":1,"jsonrpc":"2.0","method":"introspect","params":[{"schema":"// This is your Prisma schema file,\n// learn more about it in the docs: https://pris.ly/d/prisma-schema\n\ndatasource db {\n  provider = \"mysql\"\n  url      = env(\"DATABASE_URL\")\n}\n\ngenerator client {\n  provider = \"prisma-client-js\"\n}\n"}]} +11ms
  IntrospectionEngine:stderr {"is_panic":true,"message":"[src\\libcore\\str\\mod.rs:2200:5] begin <= end (1 <= 0) when slicing `1`","backtrace":"   0: <unknown>\n   1: <unknown>\n   2: <unknown>\n   3: <unknown>\n   4: <unknown>\n   5: <unknown>\n   6: <unknown>\n   7: <unknown>\n   8: <unknown>\n   9: <unknown>\n  10: <unknown>\n  11: <unknown>\n  12: <unknown>\n  13: <unknown>\n  14: <unknown>\n  15: <unknown>\n  16: <unknown>\n  17: <unknown>\n  18: <unknown>\n  19: <unknown>\n  20: <unknown>\n  21: <unknown>\n  22: <unknown>\n  23: <unknown>\n  24: <unknown>\n  25: <unknown>\n  26: <unknown>\n  27: <unknown>\n  28: <unknown>\n  29: <unknown>\n  30: <unknown>\n  31: <unknown>\n  32: <unknown>\n  33: <unknown>\n  34: BaseThreadInitThunk\n  35: RtlUserThreadStart\n"} +0ms
Oops, an unexpected error occured!
[src\libcore\str\mod.rs:2200:5] begin <= end (1 <= 0) when slicing `1`

datasource db {
  provider = "mysql"
  url      = env("DATABASE_URL")
}

generator client {
  provider = "prisma-client-js"
}

DATABASE_URL="mysql://root@localhost:3306/valkyrja"

$ prisma version
Environment variables loaded from prisma\.env
@prisma/cli          : 2.7.1
Current platform     : windows
Query Engine         : query-engine 5c2ad460cf4fe8c9330e6640b266c046542c8b6a (at node_modules\@prisma\cli\query-engine-windows.exe)
Migration Engine     : migration-engine-cli 5c2ad460cf4fe8c9330e6640b266c046542c8b6a (at node_modules\@prisma\cli\migration-engine-windows.exe)
Introspection Engine : introspection-core 5c2ad460cf4fe8c9330e6640b266c046542c8b6a (at node_modules\@prisma\cli\introspection-engine-windows.exe)
Format Binary        : prisma-fmt 5c2ad460cf4fe8c9330e6640b266c046542c8b6a (at node_modules\@prisma\cli\prisma-fmt-windows.exe)
Studio               : 0.288.0
Done in 1.10s.