Process completed with exit code 3.

See https://docs.zephyrproject.org/latest/contribute/guidelines.html#commit-guidelines for more details f049f83b91383b7feb70172357afc68c3cba4bf6: author email (Oscar Hou <[email protected]>) needs to match one of the signed-off-by entries.

See https://docs.zephyrproject.org/latest/contribute/guidelines.html#commit-guidelines for more details Commit f049f83b91: 1: T8 Title is too short (4<5): "test" 1: UC2 Commit message does not contain a 'Signed-off-by:' line 1: UC3 Commit title does not follow [subsystem]: [subject] (and should not start with literal subsys:): "test" 1: UC6 Commit message body is empty, should at least have 1 line(s). 3: B6 Body message is missing

See https://docs.zephyrproject.org/latest/contribute/guidelines.html#coding-style for more details. Please remove blank lines at start of 'samples/hello_world/src/main.c'