Android CI keeps failing in file-related tests #7542
Description
Android CI has been failing quite consistently over the last day or so:
https://github.com/uutils/coreutils/actions/workflows/android.yml
The errors are don't always hit the same tests, but all seem to have something to do with file handling. A random selection follows:
coreutils::tests test_cat::test_closes_file_descriptors
[2025-03-23 09:44:15]
[2025-03-23 09:44:15] thread 'test_cat::test_closes_file_descriptors' panicked at tests/common/util.rs:1794:37:
[2025-03-23 09:44:15] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
...
[2025-03-23 09:44:15] ──── TRY 3 STDERR: coreutils::tests test_env::test_env_permissions
[2025-03-23 09:44:15]
[2025-03-23 09:44:15] thread 'test_env::test_env_permissions' panicked at tests/by-util/test_env.rs:88:10:
[2025-03-23 09:44:16] assertion failed: `(left == right)`
[2025-03-23 09:44:16]
[2025-03-23 09:44:16] Diff < left / right > :
[2025-03-23 09:44:16] <env: unknown error: Os { code: 21, kind: IsADirectory, message: "Is a directory" }
[2025-03-23 09:44:16] >env: '.': Permission denied
...
[2025-03-23 00:57:00] ──── TRY 3 STDERR: coreutils::tests test_split::test_round_robin_limited_file_descriptors
[2025-03-23 00:57:00]
[2025-03-23 00:57:00] thread 'test_split::test_round_robin_limited_file_descriptors' panicked at tests/common/util.rs:1794:37:
[2025-03-23 00:57:00] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
...
[2025-03-23 00:57:00] TRY 3 FAIL [ 0.188s] coreutils::tests test_split::test_round_robin_limited_file_descriptors
[2025-03-23 00:57:00] ──── TRY 3 STDOUT: coreutils::tests test_split::test_round_robin_limited_file_descriptors
[2025-03-23 00:57:00]
[2025-03-23 00:57:00] running 1 test
[2025-03-23 00:57:00] run: /data/data/com.termux/files/home/coreutils/target/debug/coreutils split -n r/40 onehundredlines.txt
[2025-03-23 00:57:00] test test_split::test_round_robin_limited_file_descriptors ... FAILED
...