/home/djc/src/quinn/src/crypto.rs:5:22: 5:24 error: expected one of `,` or `as`, found `::`
/home/djc/src/quinn/src/crypto.rs:5 use ring::{hkdf, aead::{self, AES_128_GCM, OpeningKey, SealingKey}, digest::SHA256,
                                                         ^~
error: internal compiler error: Error constructed but not emitted
thread '<main>' panicked at 'explicit panic', .cargo/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.32.0/src/errors/mod.rs:361
stack backtrace:
   1:     0x55cd9e8bfdc0 - std::sys::backtrace::tracing::imp::write::h82353b94d9957b5a
   2:     0x55cd9e8c2d1b - std::panicking::default_hook::_$u7b$$u7b$closure$u7d$$u7d$::hd08c9fd28a21a931
   3:     0x55cd9e8c29a3 - std::panicking::default_hook::h9f5ce461fe95b992
   4:     0x55cd9e8b43e8 - std::panicking::rust_panic_with_hook::hfb9137c9fa89bbb0
   5:     0x55cd9e702c2f - std::panicking::begin_panic::h91a119e8e2811f21
   6:     0x55cd9e704c3f - _<errors..DiagnosticBuilder<'a> as std..ops..Drop>::drop::hf9983317f4db5217
   7:     0x55cd9e61628b - rustfmt::format_input::h8022487cb48abb62
   8:     0x55cd9e61b026 - rustfmt::run::hc3c3f45cca8c2090
   9:     0x55cd9e607be0 - rustfmt::execute::h1567d35cf029b277
  10:     0x55cd9e60aa06 - rustfmt::main::h72bee7f7a14fa8c0
  11:     0x55cd9e8c25e8 - std::panicking::try::call::h707222b2d912b2ed
  12:     0x55cd9e8ccf7b - __rust_try
  13:     0x55cd9e8ccf1e - __rust_maybe_catch_panic
  14:     0x55cd9e8c2013 - std::rt::lang_start::h801b666f82634252
  15:     0x7fde02c8e540 - __libc_start_main
  16:     0x55cd9e601f28 - _start
  17:                0x0 - <unknown>