rust-psutil: Error on getting uid

Please provide any of the following information if relevant:

• rust-psutil version:

• target platform info

  • (if linux) distro: Linux ubuntu 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19 08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

• any relevant hardware info:

the code look like this

                let process_id = &process.uids().expect("Unable to get Id").real;

and it panics

thread 'main' panicked at 'Unable to get Id: IoError { pid: 1, source: Custom { kind: InvalidData, error: "Expected 55 lines, got 54" } }', src/libcore/result.rs:1165:5

It says excepected 55 lines and got 54 .