Having applied the following diff to https://github.com/CanonicalLtd/multipass: --- a/snap/snapcraft.yaml +++ b/snap/snapcraft.yaml @@ -8,6 +8,7 @@ description: | grade: devel confinement: classic +base: core apps: multipassd: @@ -126,7 +127,7 @@ parts: - on arm64: http://ports.ubuntu.com/ubuntu-ports/pool/main/i/icu/libicu60_60.2-3ubuntu3_arm64.deb source-type: deb - libssl1.1: + libssl11: plugin: dump source: - on amd64: http://security.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.0g-2ubuntu4.3_amd64.deb @@ -186,6 +187,7 @@ parts: - try: [msr-tools] libvirt: + source: snap source-subdir: libvirt-1.3.1 plugin: autotools build-packages: Running snapcraft: $ snapcraft After changing the source, it updates the pull stage for multipass and builds, and dies with the following error: The 'multipass' part has run through its entire lifecycle