Rust's recent update to libstd of the wasm32-wasi target turned out to be buggy with respect to fetching the process arguments, so we'll need to wait on a fix there before we can run these tests with nightly again.
Rust's recent update to libstd of the wasm32-wasi target turned out to be buggy with respect to fetching the process arguments, so we'll need to wait on a fix there before we can run these tests with nightly again.