New failing tests in 0.3.0

[julian-klode]

While building the 0.3.0 release on the Ubuntu builders, the following errors were observed:

---- test_od::test_od_options_after_filename stdout ----
bin: "/<<PKGBUILDDIR>>/target/debug/coreutils"
write(default): /tmp/.tmpp2J37P/test
run: /<<PKGBUILDDIR>>/target/debug/coreutils od test -v -An -t x2

thread 'test_od::test_od_options_after_filename' panicked at tests/by-util/test_od.rs:945:10:
assertion failed: `(left == right)`

�[1mDiff�[0m �[31m< left�[0m / �[32mright >�[0m :
�[31m< �[0m�[1;48;5;52;31m68�[0m�[31m1c �[0m�[1;48;5;52;31mbb�[0m�[31mfd�[0m
�[32m> 1c�[0m�[1;48;5;22;32m68�[0m�[32m fd�[0m�[1;48;5;22;32mbb�[0m
 


note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

---- test_stat::test_mount_point_basic stdout ----
bin: "/<<PKGBUILDDIR>>/target/debug/coreutils"
run: /<<PKGBUILDDIR>>/target/debug/coreutils stat -c %m /

thread 'test_stat::test_mount_point_basic' panicked at tests/by-util/test_stat.rs:531:5:
Mount point should not be empty

---- test_stat::test_mount_point_combined_with_other_specifiers stdout ----
bin: "/<<PKGBUILDDIR>>/target/debug/coreutils"
run: /<<PKGBUILDDIR>>/target/debug/coreutils stat -c %m %n %s /bin/sh

thread 'test_stat::test_mount_point_combined_with_other_specifiers' panicked at tests/by-util/test_stat.rs:565:5:
Should print mount point, file name, and size


failures:
    test_od::test_od_options_after_filename
    test_stat::test_mount_point_basic
    test_stat::test_mount_point_combined_with_other_specifiers

Build logs can be found for various architectures in https://launchpad.net/ubuntu/+source/rust-coreutils/0.3.0-0ubuntu1

[cakebaker]

The relevant PRs are #8624 for od and #8538 for stat.