thread 'main' panicked at 'attempt to subtract with overflow' src/ui/core/alignable.rs 23:38

[laticoda]

Hi !
i have to launch it like this: RUST_BACKTRACE=1 cargo run
if i just do cargo run , i get this
thread 'main' panicked at 'attempt to subtract with overflow', /home/me/.cargo/git/checkouts/fe-rustty-8ec41129f69af75c/235c388/src/ui/core/alignable.rs:23:38
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

anyway, +1 star