Concurrent CREATE OR REPLACE TRIGGER produces Error on rename of './test/tr.TRN~' to './test/tr.TRN' (Errcode: 2 "No such file or directory")

query:

    CREATE OR REPLACE TRIGGER tr AFTER INSERT ON _table FOR EACH ROW BEGIN END

;

git clone https://github.com/elenst/rqg rqg

cd rqg

perl ./runall-new.pl --threads=2 --duration=300 --vardir=<vardir> --basedir=<basedir> --grammar=<grammar>

# 2017-02-08T21:18:58 [32273] Executor::MySQL::execute: Query: CREATE OR REPLACE TRIGGER tr AFTER INSERT ON `BB` FOR EACH ROW BEGIN END /* QUERY_NO 416 CON_ID 8 */  failed: 7 Error on rename of './test/tr.TRN~' to './test/tr.TRN' (Errcode: 2 "No such file or directory")

# 2017-02-08T21:18:58 [32271] Executor::MySQL::execute: Query: CREATE OR REPLACE TRIGGER tr AFTER INSERT ON `CC` FOR EACH ROW BEGIN END /* QUERY_NO 356 CON_ID 7 */  failed: 7 Error on rename of './test/tr.TRN~' to './test/tr.TRN' (Errcode: 2 "No such file or directory")

# 2017-02-08T21:18:58 [32273] Executor::MySQL::execute: Query: CREATE OR REPLACE TRIGGER tr AFTER INSERT ON `B` FOR EACH ROW BEGIN END /* QUERY_NO 424 CON_ID 8 */  failed: 7 Error on rename of './test/tr.TRN~' to './test/tr.TRN' (Errcode: 2 "No such file or directory")