= note: required because it appears within the type `std::future::GenFuture<[static generator@src/intrinsics.rs:339:23: 348:4 core:std::sync::Arc<context::Core>, lockfile_contents:std::string::String, cargo_home_dir:std::string::String for<'r, 's, 't0, 't1, 't2, 't3, 't4> {context::Core, std::sync::Arc<context::Core>, &'r cargo_utils::CargoPackageFetcher, cargo_utils::CargoPackageFetcher, std::string::String, &'s str, &'t0 std::string::String, impl core::future::future::Future, impl core::future::future::Future, (), ()}]>`
    = note: required because it appears within the type `impl core::future::future::Future`
    = note: required because of the requirements on the impl of `std::marker::Send` for `std::ptr::Unique<impl core::future::future::Future>`
    = note: required because it appears within the type `std::boxed::Box<impl core::future::future::Future>`
    = note: required because it appears within the type `std::pin::Pin<std::boxed::Box<impl core::future::future::Future>>`
    = note: required because it appears within the type `futures_util::compat::compat03as01::Compat<std::pin::Pin<std::boxed::Box<impl core::future::future::Future>>>`
    = note: required because of the requirements on the impl of `boxfuture::Boxable<core::Value, cargo_utils::CargoMetadataError>` for `futures_util::compat::compat03as01::Compat<std::pin::Pin<std::boxed::Box<impl core::future::future::Future>>>`