Failed to install from AUR, build failed

[Aliorpse]

❯ yay -S rustmius
.....
==> Starting build()...
/home/aliorpse/.cache/yay/rustmius/PKGBUILD: line 14: cd: rustmius-2.4.3: No such file or directory
==> ERROR: A failure occurred in build().
    Aborting...
 -> Error making: rustmius-exit status 4
 -> Failed to install the following packages, manual intervention is required:
rustmius - exit status 4
~ 1m 20s
❯

Since I am translating this manually from Chinese, it might differ from the official localization.