Apache error log when PHP-FPM crashes

error.log

[Sun Jan 13 13:16:30.569876 2019] [authz_core:debug] [pid 27027] mod_authz_core.c(820): [client 127.0.0.1:56206] AH01626: authorization result of Require all granted: granted
[Sun Jan 13 13:16:30.569916 2019] [authz_core:debug] [pid 27027] mod_authz_core.c(820): [client 127.0.0.1:56206] AH01626: authorization result of <RequireAny>: granted
[Sun Jan 13 13:16:30.570267 2019] [authz_core:debug] [pid 27027] mod_authz_core.c(846): [client 127.0.0.1:56206] AH01628: authorization result: granted (no directives)
[Sun Jan 13 13:16:30.570294 2019] [proxy_fcgi:debug] [pid 27027] mod_proxy_fcgi.c(109): [client 127.0.0.1:56206] AH01060: set r->filename to proxy:fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php
[Sun Jan 13 13:16:30.570314 2019] [proxy:debug] [pid 27027] mod_proxy.c(1248): [client 127.0.0.1:56206] AH01143: Running scheme fcgi handler (attempt 0)
[Sun Jan 13 13:16:30.570320 2019] [proxy_fcgi:debug] [pid 27027] mod_proxy_fcgi.c(1021): [client 127.0.0.1:56206] AH01076: url: fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php proxyname: (null) proxyport: 0
[Sun Jan 13 13:16:30.570325 2019] [proxy_fcgi:debug] [pid 27027] mod_proxy_fcgi.c(1028): [client 127.0.0.1:56206] AH01078: serving URL fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php
[Sun Jan 13 13:16:30.570329 2019] [proxy:debug] [pid 27027] proxy_util.c(2315): AH00942: FCGI: has acquired connection for (127.0.0.1)
[Sun Jan 13 13:16:30.570334 2019] [proxy:debug] [pid 27027] proxy_util.c(2368): [client 127.0.0.1:56206] AH00944: connecting fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php to 127.0.0.1:9000
[Sun Jan 13 13:16:30.570344 2019] [proxy:debug] [pid 27027] proxy_util.c(2405): [client 127.0.0.1:56206] AH02545: fcgi: has determined UDS as /run/php/php7.3-fpm.sock
[Sun Jan 13 13:16:30.570469 2019] [proxy:debug] [pid 27027] proxy_util.c(2577): [client 127.0.0.1:56206] AH00947: connected /home/lucio/workspace/netbeans/bvc//index.php to httpd-UDS:0
[Sun Jan 13 13:16:30.570512 2019] [proxy:debug] [pid 27027] proxy_util.c(2948): AH02823: FCGI: connection established with Unix domain socket /run/php/php7.3-fpm.sock (127.0.0.1)
[Sun Jan 13 13:16:30.856259 2019] [proxy:debug] [pid 27104] proxy_util.c(1923): AH00925: initializing worker unix:/run/php/php7.3-fpm.sock|fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc/ shared
[Sun Jan 13 13:16:30.856330 2019] [proxy:debug] [pid 27104] proxy_util.c(1980): AH00927: initializing worker unix:/run/php/php7.3-fpm.sock|fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc/ local
[Sun Jan 13 13:16:30.856364 2019] [proxy:debug] [pid 27104] proxy_util.c(2031): AH00931: initialized single connection worker in child 27104 for (127.0.0.1)
[Sun Jan 13 13:16:31.014534 2019] [proxy_fcgi:error] [pid 27027] [client 127.0.0.1:56206] AH01067: Failed to read FastCGI header
[Sun Jan 13 13:16:31.014586 2019] [proxy_fcgi:error] [pid 27027] (104)Connection reset by peer: [client 127.0.0.1:56206] AH01075: Error dispatching request to : 
[Sun Jan 13 13:16:31.014615 2019] [proxy:debug] [pid 27027] proxy_util.c(2330): AH00943: FCGI: has released connection for (127.0.0.1)
[Sun Jan 13 13:16:32.215915 2019] [authz_core:debug] [pid 27028] mod_authz_core.c(820): [client 127.0.0.1:56208] AH01626: authorization result of Require all granted: granted, referer: http://bvc.local/
[Sun Jan 13 13:16:32.215943 2019] [authz_core:debug] [pid 27028] mod_authz_core.c(820): [client 127.0.0.1:56208] AH01626: authorization result of <RequireAny>: granted, referer: http://bvc.local/
[Sun Jan 13 13:16:32.216072 2019] [authz_core:debug] [pid 27028] mod_authz_core.c(846): [client 127.0.0.1:56208] AH01628: authorization result: granted (no directives), referer: http://bvc.local/
[Sun Jan 13 13:16:32.216094 2019] [proxy_fcgi:debug] [pid 27028] mod_proxy_fcgi.c(109): [client 127.0.0.1:56208] AH01060: set r->filename to proxy:fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php, referer: http://bvc.local/
[Sun Jan 13 13:16:32.216105 2019] [proxy:debug] [pid 27028] mod_proxy.c(1248): [client 127.0.0.1:56208] AH01143: Running scheme fcgi handler (attempt 0), referer: http://bvc.local/
[Sun Jan 13 13:16:32.216111 2019] [proxy_fcgi:debug] [pid 27028] mod_proxy_fcgi.c(1021): [client 127.0.0.1:56208] AH01076: url: fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php proxyname: (null) proxyport: 0, referer: http://bvc.local/
[Sun Jan 13 13:16:32.216124 2019] [proxy_fcgi:debug] [pid 27028] mod_proxy_fcgi.c(1028): [client 127.0.0.1:56208] AH01078: serving URL fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php, referer: http://bvc.local/
[Sun Jan 13 13:16:32.216129 2019] [proxy:debug] [pid 27028] proxy_util.c(2315): AH00942: FCGI: has acquired connection for (127.0.0.1)
[Sun Jan 13 13:16:32.216134 2019] [proxy:debug] [pid 27028] proxy_util.c(2368): [client 127.0.0.1:56208] AH00944: connecting fcgi://127.0.0.1:9000/home/lucio/workspace/netbeans/bvc//index.php to 127.0.0.1:9000, referer: http://bvc.local/
[Sun Jan 13 13:16:32.216144 2019] [proxy:debug] [pid 27028] proxy_util.c(2405): [client 127.0.0.1:56208] AH02545: fcgi: has determined UDS as /run/php/php7.3-fpm.sock, referer: http://bvc.local/
[Sun Jan 13 13:16:32.216251 2019] [proxy:debug] [pid 27028] proxy_util.c(2577): [client 127.0.0.1:56208] AH00947: connected /home/lucio/workspace/netbeans/bvc//index.php to httpd-UDS:0, referer: http://bvc.local/
[Sun Jan 13 13:16:32.216283 2019] [proxy:debug] [pid 27028] proxy_util.c(2948): AH02823: FCGI: connection established with Unix domain socket /run/php/php7.3-fpm.sock (127.0.0.1)
[Sun Jan 13 13:16:32.223029 2019] [proxy:debug] [pid 27028] proxy_util.c(2330): AH00943: FCGI: has released connection for (127.0.0.1)