vroom will only fail to parse a file if the file is invalid in a way that is unrecoverable. However there are a number of non-fatal problems that you might want to know about. You can retrieve a data frame of these problems with this function.
A data frame from
A data frame with one row for each problem and four columns:
row,col - Row and column of problem
expected - What vroom expected to find
actual - What it actually found
file - The file with the problem