$ hello-world.env
internal error, please report: running "hello-world.env" failed: open /snap/hello-world/27/meta/snap.yaml: permission denied

$ ls -al /snap/hello-world
ls: cannot access '/snap/hello-world/27': Permission denied
total 8
drwxr-xr-x 3 root root 4096 Oct  5 21:09 .
drwxr-xr-x 5 root root 4096 Oct  5 21:09 ..
d????????? ? ?    ?       ?            ? 27
lrwxrwxrwx 1 root root    2 Oct  5 21:09 current -> 27

$ sudo hello-world.env
SHELL=/bin/bash
...

$ sudo ls -al /snap/hello-world/
total 8
drwxr-xr-x 3 root root 4096 Oct  5 21:09 .
drwxr-xr-x 5 root root 4096 Oct  5 21:09 ..
drwxrwxr-x 4 root root    0 Jul 11 21:20 27
lrwxrwxrwx 1 root root    2 Oct  5 21:09 current -> 27