Merge pull request #492 from Affonso-Gui/fix-hashtable-delete #258

Job	Run time
debian-unstale (amd64/debian:unstable-slim, Linux64)	44s
linux (ubuntu:trusty)	6m 33s
debian-unstale (arm32v7/debian:unstable-slim, LinuxARM)	4m 34s
linux (ubuntu:xenial)	4m 17s
debian-unstale (arm64v8/debian:unstable-slim, LinuxARM)	9m 33s
osx	9m 18s
linux (ubuntu:bionic)	4m 21s
linux (ubuntu:focal)	4m 25s
linux (debian:stretch)	4m 8s
linux (ubuntu:trusty, indigo)	5m 52s
linux (ubuntu:xenial, kinetic)	4m 2s
linux (ubuntu:bionic, meodic)	4m 25s
linux (ubuntu:focal, noetic)	4m 46s
linux (osrf/ubuntu_armhf:trusty)	22m 48s
linux (osrf/ubuntu_armhf:xenial)	23m 56s
linux (osrf/ubuntu_arm64:trusty)	27m 50s
linux (osrf/ubuntu_arm64:xenial)	24m 0s
linux (aarch64, arm64v8/ubuntu:bionic)	15m 9s
linux (aarch64, arm64v8/ubuntu:focal)	16m 21s
linux (osrf/debian_arm64:stretch)	23m 44s
linux (amd64/debian:unstable)	4m 37s
linux (amd64, amd64/debian:unstable)	2m 24s
linux (aarch64, arm64v8/debian:buster)	15m 33s
linux (arm, arm32v5/debian:jessie)	19m 48s
linux (arm, arm32v7/debian:jessie)	16m 40s
linux (i386, i386/debian:unstable)	2m 49s
linux (i386, i386/debian:buster)	2m 15s
linux (mips64el, loongnix/debian:buster)	16m 20s
linux (ppc64le, ppc64le/debian:buster)	15m 14s
	5h 16m 26s

Provide feedback