R Under development (unstable) (2023-09-17 r85158 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(ymd)
> 
> test_check("ymd")
Rust error msg: "x must be numeric or string vector", "panic occurred in file 'src\\lib.rs' at line 82"
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 51 ]
> 
> proc.time()
   user  system elapsed 
   1.04    0.25    1.28