

                                              Stack trace of thread 153439:
                                              #0  0x00007fbaa643fef9 syscall (libc.so.6 + 0x100ef9)
                                              #1  0x00005643d297b2b1 _ZN3std3sys4unix5futex10futex_wait17h10c57eca69508f28E (rrdnsd + 0x2702b1)
                                              #2  0x00005643d291ebc2 _ZN5tokio7runtime9scheduler12multi_thread4park6Parker4park17h4887d6aafbe0f3fdE (rrdnsd + 0x213bc2)
                                              #3  0x00005643d292b24c _ZN5tokio7runtime9scheduler12multi_thread6worker7Context12park_timeout17he9abffef3be47c11E (rrdnsd + 0x22024c)
                                              #4  0x00005643d292a824 _ZN5tokio7runtime9scheduler12multi_thread6worker7Context3run17h1b2db0a22b54954bE (rrdnsd + 0x21f824)
                                              #5  0x00005643d2926dfa _ZN5tokio7runtime7context6scoped15Scoped$LT$T$GT$3set17he1e0ae1c35daa7f7E (rrdnsd + 0x21bdfa)
                                              #6  0x00005643d290b416 _ZN5tokio7runtime7context7runtime13enter_runtime17hefe244c6f0321251E (rrdnsd + 0x200416)
                                              #7  0x00005643d2929e08 _ZN5tokio7runtime9scheduler12multi_thread6worker3run17h6856a6d6c34a1237E (rrdnsd + 0x21ee08)
                                              #8  0x00005643d290963a _ZN5tokio7runtime4task4core17Core$LT$T$C$S$GT$4poll17h1491274095913443E (rrdnsd + 0x1fe63a)
                                              #9  0x00005643d291d44f _ZN5tokio7runtime4task7harness20Harness$LT$T$C$S$GT$4poll17hebf712e18f21e698E (rrdnsd + 0x21244f)
                                              #10 0x00005643d2906ffb _ZN5tokio7runtime8blocking4pool5Inner3run17hb31c2ad99131b8e0E (rrdnsd + 0x1fbffb)
                                              #11 0x00005643d29085c3 _ZN3std10sys_common9backtrace28__rust_begin_short_backtrace17haf48ce2d620847bfE (rrdnsd + 0x1fd5c3)
                                              #12 0x00005643d291946f _ZN4core3ops8function6FnOnce40call_once$u7b$$u7b$vtable.shim$u7d$$u7d$17ha280a34a731a6ccdE (rrdnsd + 0x20e46f)
                                              #13 0x00005643d297d345 _ZN3std3sys4unix6thread6Thread3new12thread_start17hccae4a89b22359f6E (rrdnsd + 0x272345)
                                              #14 0x00007fbaa63c73ec start_thread (libc.so.6 + 0x883ec)
                                              #15 0x00007fbaa6447a5c __clone3 (libc.so.6 + 0x108a5c)


                                              Jan 12 12:35:33 tux rrdnsd[192120]: thread 'tokio-runtime-worker' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/main.rs:559:47



