Crash trying to plan road from built ring

[nielsmh]

Crash trying to plan road from built ring

[nielsmh]

Turns out similar/identical crashes can happen in more circumstances all related to starting a new road plan from on/near a built road.

[Outpox]

I just faced this exact issue with a looped road.
I'm on Linux and the game window crashed, but my terminal logged the issue:

./citybound-linux 
Created new window in existing browser session.
ID 0_0_2 is not a destination yet
ID 0_0_0 is not a destination yet
ID 0_0_1 is not a destination yet
[...]
ID 0_0_3 is not a destination yet
ID 0_0_3 is not a destination yet
thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', ../src/libcore/option.rs:323
note: Run with `RUST_BACKTRACE=1` for a backtrace.
Simulation Panic!
"called `Option::unwrap()` on a `None` value"
thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', ../src/libcore/option.rs:323