/usr/share/doc/r-cran-tibble/tests/testthat/output/glimpse/non-syntactic.txt is in r-cran-tibble 1.4.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | Observations: 1
Variables: 2
$ `mean(x)` <dbl> 5
$ `var(x)` <dbl> 3
|