C:\Users\Christopher Pross\Downloads\godot-tts-master>rustup default stable
info: using existing install for 'stable-i686-pc-windows-msvc'
info: default toolchain set to 'stable-i686-pc-windows-msvc'

  stable-i686-pc-windows-msvc unchanged - rustc 1.40.0 (73528e339 2019-12-16)


C:\Users\Christopher Pross\Downloads\godot-tts-master>cargo build --release
    Updating crates.io index
   Compiling proc-macro2 v1.0.8
   Compiling unicode-xid v0.2.0
   Compiling cc v1.0.50
   Compiling syn v1.0.14
   Compiling libc v0.2.66
   Compiling ryu v1.0.2
   Compiling serde v1.0.104
   Compiling cfg-if v0.1.10
   Compiling winapi v0.3.8
   Compiling memchr v2.3.0
   Compiling itoa v0.4.4
   Compiling glob v0.3.0
   Compiling version_check v0.1.5
   Compiling semver-parser v0.7.0
   Compiling byteorder v1.3.2
   Compiling bitflags v1.2.1
   Compiling lazy_static v1.4.0
   Compiling unicode-segmentation v1.6.0
   Compiling regex-syntax v0.6.13
   Compiling bindgen v0.51.1
   Compiling maybe-uninit v2.0.0
   Compiling peeking_take_while v0.1.2
   Compiling autocfg v1.0.0
   Compiling shlex v0.1.1
   Compiling scopeguard v1.0.0
   Compiling failure_derive v0.1.6
   Compiling log v0.4.8
   Compiling rustc-demangle v0.1.16
   Compiling thread_local v1.0.1
   Compiling semver v0.9.0
   Compiling heck v0.3.1
   Compiling nom v4.2.3
   Compiling lock_api v0.3.3
   Compiling clang-sys v0.28.1
   Compiling rustc_version v0.2.3
   Compiling num-traits v0.2.11
   Compiling aho-corasick v0.7.6
   Compiling smallvec v0.6.13
   Compiling quote v1.0.2
   Compiling rustc-hash v1.0.1
   Compiling regex v1.3.3
   Compiling parking_lot_core v0.6.2
   Compiling parking_lot v0.9.0
   Compiling cexpr v0.3.6
   Compiling euclid v0.20.7
   Compiling libloading v0.5.2
   Compiling backtrace-sys v0.1.32
   Compiling tolk-sys v0.2.0
error: failed to run custom build command for `tolk-sys v0.2.0`

Caused by:
  process didn't exit successfully: `C:\Users\Christopher Pross\Downloads\godot-tts-master\target\release\build\tolk-sys-5e99495d25be8aa3\build-script-build` (exit code: 1)
--- stderr
Error: Os { code: 3, kind: NotFound, message: "Das System kann den angegebenen Pfad nicht finden." }

warning: build failed, waiting for other jobs to finish...
error: build failed