377476ac45
10332: minor: Allow overwriting RUST_BACKTRACE for the server manually r=jonas-schievink a=Veykril Trying to figure out why we aren't getting backtraces for windows builds from CI, this let's one set the backtraces to `FULL` Might be cc https://github.com/rust-lang/rust/issues/87481 bors r+ Co-authored-by: Lukas Wirth <lukastw97@gmail.com>