compiler is crashing

[jagguji]

Thank you for filing! Check list:

thread '' (3645605) panicked at src/build/compile.rs:732:18:
stdout should be non-null: Utf8Error { valid_up_to: 1036, error_len: Some(2) }
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

getting this while migrating the code from v11 to v12 our repo has around 22k files of rescript it's a monorepo