error: memory leaked: ALLOC (Rust heap, size: 4, align: 4), allocated here:
  --> tests/fail/tls_static_leak.rs:LL:CC
   |
LL |         TLS.set(Some(Box::leak(Box::new(123))));
   |                                ^^^^^^^^^^^^^
   |
   = note: BACKTRACE:
   = note: inside closure at tests/fail/tls_static_leak.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

note: set `MIRIFLAGS=-Zmiri-ignore-leaks` to disable this check

error: aborting due to 1 previous error