$ RUST_BACKTRACE=1 deno --allow-net=https://example.com

============================================================
Deno has panicked. This is a bug in Deno. Please report this
at https://github.com/denoland/deno/issues/new.
If you can reliably reproduce this panic, include the
reproduction steps and re-run with the RUST_BACKTRACE=1 env
var set and include the backtrace in your report.

Platform: linux x86_64
Version: 2.0.0-rc.4
Args: ["deno", "--allow-net=https://example.com"]

thread 'main' panicked at cli/args/flags.rs:5084:60:
called `Result::unwrap()` on an `Err` value: ErrorInner { kind: InvalidValue, context: FlatMap { keys: [], values: [] }, message: Some(Raw("invalid port in 'https://example.com': '//example.com'\n\nStack backtrace:\n   0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from\n   1: deno_core::error::uri_error\n   2: deno_permissions::NetDescriptor::parse\n   3: deno::args::flags_net::parse\n   4: deno::args::flags::runtime_args_parse\n   5: deno::args::flags::run_parse\n   6: deno::args::flags::flags_from_vec\n   7: <deno_unsync::tokio::task::MaskFutureAsSend<F> as core::future::future::Future>::poll\n   8: tokio::runtime::task::raw::poll\n   9: deno::main\n  10: std::sys_common::backtrace::__rust_begin_short_backtrace\n  11: std::rt::lang_start::{{closure}}\n  12: std::rt::lang_start_internal\n  13: main\n  14: __libc_start_main\n             at /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:308:16\n  15: _start")), source: None, help_flag: None, styles: Styles { header: Style { fg: None, bg: None, underline: None, effects: Effects() }, error: Style { fg: None, bg: None, underline: None, effects: Effects() }, usage: Style { fg: None, bg: None, underline: None, effects: Effects() }, literal: Style { fg: None, bg: None, underline: None, effects: Effects() }, placeholder: Style { fg: None, bg: None, underline: None, effects: Effects() }, valid: Style { fg: None, bg: None, underline: None, effects: Effects() }, invalid: Style { fg: None, bg: None, underline: None, effects: Effects() } }, color_when: Never, color_help_when: Never, backtrace: None }
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::result::unwrap_failed
   3: deno::args::flags::runtime_args_parse
   4: deno::args::flags::run_parse
   5: deno::args::flags::flags_from_vec
   6: <deno_unsync::tokio::task::MaskFutureAsSend<F> as core::future::future::Future>::poll
   7: tokio::runtime::task::raw::poll
   8: deno::main
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.