}
// If backtraces are enabled, also print the query stack
- let backtrace = std::env::var_os("RUST_BACKTRACE").map(|x| &x != "0").unwrap_or(false);
+ let backtrace = std::env::var_os("RUST_BACKTRACE").map_or(false, |x| &x != "0");
if backtrace {
- TyCtxt::try_print_query_stack();
+ TyCtxt::try_print_query_stack(&handler);
}
}