error: no such subcommand: `+nightly-2020-01-02` on Windows

PS C:gitlab.com\termoshtt\accel> cargo test
   Compiling accel v0.3.0-alpha.1 (C:gitlab.com\termoshtt\accel\accel)


error: no such subcommand: `+nightly-2020-01-02`
error: no such subcommand: `+nightly-2020-01-02`


error: custom attribute panicked
 --> accel\examples\add_managed.rs:9:1
  |
9 | #[kernel]
  | ^^^^^^^^^
  |
  = help: message: Failed to compile to PTX: ErrorMessage { msg: "External command failed: \"cargo\" \"+nightly-2020-01-02\" \"fmt\"" }

error: custom attribute panicked
 --> accel\examples\add.rs:4:1
  |
4 | #[kernel]
  | ^^^^^^^^^
  |
  = help: message: Failed to compile to PTX: ErrorMessage { msg: "External command failed: \"cargo\" \"+nightly-2020-01-02\" \"fmt\"" }