Panic at start

[nothingnesses]

Reproduction

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$ export RUST_BACKTRACE=full && procs
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "Failed to parse patch version"', src/libcore/result.rs:1084:5
stack backtrace:
   0:     0x55756d533a2b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
   1:     0x55756d533a2b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
   2:     0x55756d533a2b - std::sys_common::backtrace::_print::hd3382a1f33c473da
                               at src/libstd/sys_common/backtrace.rs:47
   3:     0x55756d533a2b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6
                               at src/libstd/sys_common/backtrace.rs:36
   4:     0x55756d533a2b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557
                               at src/libstd/panicking.rs:200
   5:     0x55756d533706 - std::panicking::default_hook::h95a8f00337383d83
                               at src/libstd/panicking.rs:214
   6:     0x55756d53419d - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed
                               at src/libstd/panicking.rs:477
   7:     0x55756d533d22 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a
                               at src/libstd/panicking.rs:384
   8:     0x55756d533c06 - rust_begin_unwind
                               at src/libstd/panicking.rs:311
   9:     0x55756d5540dd - core::panicking::panic_fmt::h7e9f94035af782b3
                               at src/libcore/panicking.rs:85
  10:     0x55756d5541d7 - core::result::unwrap_failed::hf7591c1dd9412006
                               at src/libcore/result.rs:1084
  11:     0x55756d51a216 - procfs::read_value::h70a8ff1975a3c93a
  12:     0x55756d517200 - std::sync::once::Once::call_once::{{closure}}::hadc97d58692f4440
  13:     0x55756d530a28 - std::sync::once::Once::call_inner::hd4f4cc742be97eac
                               at src/libstd/sync/once.rs:392
  14:     0x55756d503545 - procfs::process::Stat::from_reader::h28f3fd54348fb299
  15:     0x55756d50d951 - procfs::process::Process::new::h61a59629ef0fe709
  16:     0x55756d510440 - procfs::process::all_processes::h923c0e72a0b03083
  17:     0x55756d363a92 - procs::process::linux::collect_proc::h667da0c79d421ec6
  18:     0x55756d3fa0c4 - procs::gen_columns::h56dcbd5bb859276c
  19:     0x55756d401278 - procs::run::h710be2ae681f2ff3
  20:     0x55756d3fc152 - procs::main::hc6baa929f9ca3929
  21:     0x55756d406213 - std::rt::lang_start::{{closure}}::he8b7288d0c12e9d6
  22:     0x55756d533ba3 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955
                               at src/libstd/rt.rs:49
  23:     0x55756d533ba3 - std::panicking::try::do_call::h9440ccd4dc467eaa
                               at src/libstd/panicking.rs:296
  24:     0x55756d53b6aa - __rust_maybe_catch_panic
                               at src/libpanic_unwind/lib.rs:80
  25:     0x55756d5346ad - std::panicking::try::hc046e7ee42ee744f
                               at src/libstd/panicking.rs:275
  26:     0x55756d5346ad - std::panic::catch_unwind::h27dfc457c200aee0
                               at src/libstd/panic.rs:394
  27:     0x55756d5346ad - std::rt::lang_start_internal::hea1b49a567afe309
                               at src/libstd/rt.rs:48
  28:     0x55756d405562 - main
  29:     0x7f2904487deb - __libc_start_main
                               at ../csu/libc-start.c:308
  30:     0x55756d34d17a - _start
  31:                0x0 - <unknown>

System information

Click to expand

$ uname -a
Linux a 5.2.19_1 #1 SMP PREEMPT Sun Oct 6 07:54:23 UTC 2019 x86_64 GNU/Linux
$ procs --version
procs 0.8.10

Other information

procs was installed with cargo install procs.

[dalance]

Thank you for your report.
Could you execute cat /proc/sys/kernel/osrelease ?

[nothingnesses]

Sure thing!

$ cat /proc/sys/kernel/osrelease
5.2.19_1

[dalance]

Thanks. I found the cause of the issue.

[nothingnesses]

Thanks, your PR fixed the problem!