Snapcore/snapcraft:stable Docker image broken

I’m trying to build a snap on my Macbook through Docker with:

docker run -v "$PWD":/build -w /build --platform linux/amd64 snapcore/snapcraft:stable snapcraft

And I get this error:

Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [99.8 kB]
Hit:2 http://archive.ubuntu.com/ubuntu xenial InRelease
Get:3 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [99.8 kB]
Get:4 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [97.4 kB]
Get:5 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages [2,051 kB]
Get:6 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 Packages [984 kB]
Get:7 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 Packages [8,820 B]
Get:8 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [2,560 kB]
Get:9 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [1,544 kB]
Get:10 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages [26.2 kB]
Get:11 http://archive.ubuntu.com/ubuntu xenial-backports/universe amd64 Packages [12.7 kB]
Fetched 7,483 kB in 5s (1,382 kB/s)
Reading package lists...
Installing build dependencies: binutils=2.26.1-1ubuntu1~16.04.8 cpp=4:5.3.1-1ubuntu1 cpp-5=5.4.0-6ubuntu1~16.04.12 gcc=4:5.3.1-1ubuntu1 gcc-5=5.4.0-6ubuntu1~16.04.12 git=1:2.7.4-0ubuntu1.10 git-man=1:2.7.4-0ubuntu1.10 ifupdown=0.8.10ubuntu1.4 iproute2=4.3.0-1ubuntu3.16.04.5 isc-dhcp-client=4.3.3-5ubuntu12.10 isc-dhcp-common=4.3.3-5ubuntu12.10 less=481-2.1ubuntu0.2 libasan2=5.4.0-6ubuntu1~16.04.12 libasn1-8-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libatm1=1:2.5.1-1.5 libatomic1=5.4.0-6ubuntu1~16.04.12 libc-dev-bin=2.23-0ubuntu11.3 libc6=2.23-0ubuntu11.3 libc6-dev=2.23-0ubuntu11.3 libcc1-0=5.4.0-6ubuntu1~16.04.12 libcilkrts5=5.4.0-6ubuntu1~16.04.12 libcurl3-gnutls=7.47.0-1ubuntu2.19 libdns-export162=1:9.10.3.dfsg.P4-8ubuntu1.19 liberror-perl=0.17-1.2 libffi6=3.2.1-4 libgcc-5-dev=5.4.0-6ubuntu1~16.04.12 libgdbm3=1.8.3-13.1 libgmp10=2:6.1.0+dfsg-2 libgnutls30=3.4.10-4ubuntu1.9 libgomp1=5.4.0-6ubuntu1~16.04.12 libgssapi3-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libhcrypto4-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libheimbase1-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libheimntlm0-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libhogweed4=3.2-1ubuntu0.16.04.2 libhx509-5-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libidn11=1.32-3ubuntu1.2 libisc-export160=1:9.10.3.dfsg.P4-8ubuntu1.19 libisl15=0.16.1-1 libitm1=5.4.0-6ubuntu1~16.04.12 libkrb5-26-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libldap-2.4-2=2.4.42+dfsg-2ubuntu3.13 liblsan0=5.4.0-6ubuntu1~16.04.12 libmnl0=1.0.3-5 libmpc3=1.0.3-1 libmpfr4=3.1.4-1 libmpx0=5.4.0-6ubuntu1~16.04.12 libnettle6=3.2-1ubuntu0.16.04.2 libp11-kit0=0.23.2-5~ubuntu16.04.2 libperl5.22=5.22.1-9ubuntu0.9 libpopt0=1.16-10 libquadmath0=5.4.0-6ubuntu1~16.04.12 libroken18-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 librtmp1=2.4+20151223.gitfa8646d-1ubuntu0.1 libsasl2-2=2.1.26.dfsg1-14ubuntu0.2 libsasl2-modules=2.1.26.dfsg1-14ubuntu0.2 libsasl2-modules-db=2.1.26.dfsg1-14ubuntu0.2 libtasn1-6=4.7-3ubuntu0.16.04.3 libtsan0=5.4.0-6ubuntu1~16.04.12 libubsan0=5.4.0-6ubuntu1~16.04.12 libwind0-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libxtables11=1.6.0-2ubuntu3 linux-libc-dev=4.4.0-210.242 manpages=4.04-2 manpages-dev=4.04-2 netbase=5.3 patch=2.7.5-1ubuntu0.16.04.2 perl=5.22.1-9ubuntu0.9 perl-modules-5.22=5.22.1-9ubuntu0.9 rename=0.20-4 rsync=3.1.1-3ubuntu1.3
Reading package lists...
Building dependency tree...
Reading state information...
Suggested packages:
  binutils-doc cpp-doc gcc-5-locales gcc-multilib make autoconf automake
  libtool flex bison gdb gcc-doc gcc-5-multilib gcc-5-doc libgcc1-dbg
  libgomp1-dbg libitm1-dbg libatomic1-dbg libasan2-dbg liblsan0-dbg
  libtsan0-dbg libubsan0-dbg libcilkrts5-dbg libmpx0-dbg libquadmath0-dbg
  gettext-base git-daemon-run | git-daemon-sysvinit git-doc git-el git-email
  git-gui gitk gitweb git-arch git-cvs git-mediawiki git-svn ppp rdnssd
  iproute2-doc resolvconf avahi-autoipd isc-dhcp-client-ddns glibc-doc
  gnutls-bin libsasl2-modules-otp libsasl2-modules-ldap libsasl2-modules-sql
  libsasl2-modules-gssapi-mit | libsasl2-modules-gssapi-heimdal man-browser ed
  diffutils-doc perl-doc libterm-readline-gnu-perl
  | libterm-readline-perl-perl openssh-server
The following NEW packages will be installed:
  binutils cpp cpp-5 gcc gcc-5 git git-man ifupdown iproute2 isc-dhcp-client
  isc-dhcp-common less libasan2 libasn1-8-heimdal libatm1 libatomic1
  libc-dev-bin libc6-dev libcc1-0 libcilkrts5 libcurl3-gnutls libdns-export162
  liberror-perl libffi6 libgcc-5-dev libgdbm3 libgmp10 libgnutls30 libgomp1
  libgssapi3-heimdal libhcrypto4-heimdal libheimbase1-heimdal
  libheimntlm0-heimdal libhogweed4 libhx509-5-heimdal libidn11
  libisc-export160 libisl15 libitm1 libkrb5-26-heimdal libldap-2.4-2 liblsan0
  libmnl0 libmpc3 libmpfr4 libmpx0 libnettle6 libp11-kit0 libperl5.22 libpopt0
  libquadmath0 libroken18-heimdal librtmp1 libsasl2-2 libsasl2-modules
  libsasl2-modules-db libtasn1-6 libtsan0 libubsan0 libwind0-heimdal
  libxtables11 linux-libc-dev manpages manpages-dev netbase patch perl
  perl-modules-5.22 rename rsync
The following packages will be upgraded:
  libc6
1 upgraded, 70 newly installed, 0 to remove and 22 not upgraded.
Need to get 46.6 MB of archives.
After this operation, 182 MB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libc6 amd64 2.23-0ubuntu11.3 [2,590 kB]
Get:2 http://archive.ubuntu.com/ubuntu xenial/main amd64 libatm1 amd64 1:2.5.1-1.5 [24.2 kB]
Get:3 http://archive.ubuntu.com/ubuntu xenial/main amd64 libmnl0 amd64 1.0.3-5 [12.0 kB]
Get:4 http://archive.ubuntu.com/ubuntu xenial/main amd64 libpopt0 amd64 1.16-10 [26.0 kB]
Get:5 http://archive.ubuntu.com/ubuntu xenial/main amd64 libgdbm3 amd64 1.8.3-13.1 [16.9 kB]
Get:6 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 perl-modules-5.22 all 5.22.1-9ubuntu0.9 [2,634 kB]
Get:7 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libperl5.22 amd64 5.22.1-9ubuntu0.9 [3,360 kB]
Get:8 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 perl amd64 5.22.1-9ubuntu0.9 [237 kB]
Get:9 http://archive.ubuntu.com/ubuntu xenial/main amd64 libgmp10 amd64 2:6.1.0+dfsg-2 [240 kB]
Get:10 http://archive.ubuntu.com/ubuntu xenial/main amd64 libmpfr4 amd64 3.1.4-1 [191 kB]
Get:11 http://archive.ubuntu.com/ubuntu xenial/main amd64 libmpc3 amd64 1.0.3-1 [39.7 kB]
Get:12 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 iproute2 amd64 4.3.0-1ubuntu3.16.04.5 [523 kB]
Get:13 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 ifupdown amd64 0.8.10ubuntu1.4 [54.9 kB]
Get:14 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libisc-export160 amd64 1:9.10.3.dfsg.P4-8ubuntu1.19 [153 kB]
Get:15 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libdns-export162 amd64 1:9.10.3.dfsg.P4-8ubuntu1.19 [665 kB]
Get:16 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 isc-dhcp-client amd64 4.3.3-5ubuntu12.10 [224 kB]
Get:17 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 isc-dhcp-common amd64 4.3.3-5ubuntu12.10 [105 kB]
Get:18 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 less amd64 481-2.1ubuntu0.2 [110 kB]
Get:19 http://archive.ubuntu.com/ubuntu xenial/main amd64 libffi6 amd64 3.2.1-4 [17.8 kB]
Get:20 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libnettle6 amd64 3.2-1ubuntu0.16.04.2 [93.7 kB]
Get:21 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libhogweed4 amd64 3.2-1ubuntu0.16.04.2 [136 kB]
Get:22 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libidn11 amd64 1.32-3ubuntu1.2 [46.5 kB]
Get:23 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libp11-kit0 amd64 0.23.2-5~ubuntu16.04.2 [107 kB]
Get:24 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libtasn1-6 amd64 4.7-3ubuntu0.16.04.3 [43.5 kB]
Get:25 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libgnutls30 amd64 3.4.10-4ubuntu1.9 [548 kB]
Get:26 http://archive.ubuntu.com/ubuntu xenial/main amd64 libxtables11 amd64 1.6.0-2ubuntu3 [27.2 kB]
Get:27 http://archive.ubuntu.com/ubuntu xenial/main amd64 netbase all 5.3 [12.9 kB]
Get:28 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libroken18-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [41.4 kB]
Get:29 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libasn1-8-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [174 kB]
Get:30 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libhcrypto4-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [85.0 kB]
Get:31 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libheimbase1-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [29.3 kB]
Get:32 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libwind0-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [47.8 kB]
Get:33 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libhx509-5-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [107 kB]
Get:34 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libkrb5-26-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [202 kB]
Get:35 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libheimntlm0-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [15.1 kB]
Get:36 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libgssapi3-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1.16.04.1 [96.1 kB]
Get:37 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libsasl2-modules-db amd64 2.1.26.dfsg1-14ubuntu0.2 [14.5 kB]
Get:38 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libsasl2-2 amd64 2.1.26.dfsg1-14ubuntu0.2 [48.7 kB]
Get:39 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libldap-2.4-2 amd64 2.4.42+dfsg-2ubuntu3.13 [159 kB]
Get:40 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 librtmp1 amd64 2.4+20151223.gitfa8646d-1ubuntu0.1 [54.4 kB]
Get:41 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libcurl3-gnutls amd64 7.47.0-1ubuntu2.19 [189 kB]
Get:42 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libsasl2-modules amd64 2.1.26.dfsg1-14ubuntu0.2 [47.7 kB]
Get:43 http://archive.ubuntu.com/ubuntu xenial/main amd64 manpages all 4.04-2 [1,087 kB]
Get:44 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 rsync amd64 3.1.1-3ubuntu1.3 [329 kB]
Get:45 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 binutils amd64 2.26.1-1ubuntu1~16.04.8 [2,312 kB]
Get:46 http://archive.ubuntu.com/ubuntu xenial/main amd64 libisl15 amd64 0.16.1-1 [524 kB]
Get:47 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 cpp-5 amd64 5.4.0-6ubuntu1~16.04.12 [7,783 kB]
Get:48 http://archive.ubuntu.com/ubuntu xenial/main amd64 cpp amd64 4:5.3.1-1ubuntu1 [27.7 kB]
Get:49 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libcc1-0 amd64 5.4.0-6ubuntu1~16.04.12 [38.8 kB]
Get:50 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libgomp1 amd64 5.4.0-6ubuntu1~16.04.12 [55.2 kB]
Get:51 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libitm1 amd64 5.4.0-6ubuntu1~16.04.12 [27.4 kB]
Get:52 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libatomic1 amd64 5.4.0-6ubuntu1~16.04.12 [8,892 B]
Get:53 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libasan2 amd64 5.4.0-6ubuntu1~16.04.12 [265 kB]
Get:54 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 liblsan0 amd64 5.4.0-6ubuntu1~16.04.12 [105 kB]
Get:55 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libtsan0 amd64 5.4.0-6ubuntu1~16.04.12 [244 kB]
Get:56 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libubsan0 amd64 5.4.0-6ubuntu1~16.04.12 [95.3 kB]
Get:57 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libcilkrts5 amd64 5.4.0-6ubuntu1~16.04.12 [40.0 kB]
Get:58 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libmpx0 amd64 5.4.0-6ubuntu1~16.04.12 [9,762 B]
Get:59 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libquadmath0 amd64 5.4.0-6ubuntu1~16.04.12 [131 kB]
Get:60 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libgcc-5-dev amd64 5.4.0-6ubuntu1~16.04.12 [2,239 kB]
Get:61 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 gcc-5 amd64 5.4.0-6ubuntu1~16.04.12 [8,612 kB]
Get:62 http://archive.ubuntu.com/ubuntu xenial/main amd64 gcc amd64 4:5.3.1-1ubuntu1 [5,244 B]
Get:63 http://archive.ubuntu.com/ubuntu xenial/main amd64 liberror-perl all 0.17-1.2 [19.6 kB]
Get:64 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 git-man all 1:2.7.4-0ubuntu1.10 [737 kB]
Get:65 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 git amd64 1:2.7.4-0ubuntu1.10 [3,183 kB]
Get:66 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libc-dev-bin amd64 2.23-0ubuntu11.3 [68.6 kB]
Get:67 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 linux-libc-dev amd64 4.4.0-210.242 [832 kB]
Get:68 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libc6-dev amd64 2.23-0ubuntu11.3 [2,083 kB]
Get:69 http://archive.ubuntu.com/ubuntu xenial/main amd64 manpages-dev all 4.04-2 [2,048 kB]
Get:70 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 patch amd64 2.7.5-1ubuntu0.16.04.2 [90.8 kB]
Get:71 http://archive.ubuntu.com/ubuntu xenial/main amd64 rename all 0.20-4 [12.0 kB]
debconf: delaying package configuration, since apt-utils is not installed
Fetched 46.6 MB in 4s (9,541 kB/s)
(Reading database ... 7491 files and directories currently installed.)
Preparing to unpack .../libc6_2.23-0ubuntu11.3_amd64.deb ...
Segmentation fault
Unpacking libc6:amd64 (2.23-0ubuntu11.3) over (2.23-0ubuntu11.2) ...
Setting up libc6:amd64 (2.23-0ubuntu11.3) ...
Segmentation fault
Processing triggers for libc-bin (2.23-0ubuntu11.2) ...
Selecting previously unselected package libatm1:amd64.
(Reading database ... 7491 files and directories currently installed.)
Preparing to unpack .../libatm1_1%3a2.5.1-1.5_amd64.deb ...
Unpacking libatm1:amd64 (1:2.5.1-1.5) ...
Selecting previously unselected package libmnl0:amd64.
Preparing to unpack .../libmnl0_1.0.3-5_amd64.deb ...
Unpacking libmnl0:amd64 (1.0.3-5) ...
Selecting previously unselected package libpopt0:amd64.
Preparing to unpack .../libpopt0_1.16-10_amd64.deb ...
Unpacking libpopt0:amd64 (1.16-10) ...
Selecting previously unselected package libgdbm3:amd64.
Preparing to unpack .../libgdbm3_1.8.3-13.1_amd64.deb ...
Unpacking libgdbm3:amd64 (1.8.3-13.1) ...
Selecting previously unselected package perl-modules-5.22.
Preparing to unpack .../perl-modules-5.22_5.22.1-9ubuntu0.9_all.deb ...
Unpacking perl-modules-5.22 (5.22.1-9ubuntu0.9) ...
Selecting previously unselected package libperl5.22:amd64.
Preparing to unpack .../libperl5.22_5.22.1-9ubuntu0.9_amd64.deb ...
Unpacking libperl5.22:amd64 (5.22.1-9ubuntu0.9) ...
Selecting previously unselected package perl.
Preparing to unpack .../perl_5.22.1-9ubuntu0.9_amd64.deb ...
Unpacking perl (5.22.1-9ubuntu0.9) ...
Selecting previously unselected package libgmp10:amd64.
Preparing to unpack .../libgmp10_2%3a6.1.0+dfsg-2_amd64.deb ...
Unpacking libgmp10:amd64 (2:6.1.0+dfsg-2) ...
Selecting previously unselected package libmpfr4:amd64.
Preparing to unpack .../libmpfr4_3.1.4-1_amd64.deb ...
Unpacking libmpfr4:amd64 (3.1.4-1) ...
Selecting previously unselected package libmpc3:amd64.
Preparing to unpack .../libmpc3_1.0.3-1_amd64.deb ...
Unpacking libmpc3:amd64 (1.0.3-1) ...
Selecting previously unselected package iproute2.
Preparing to unpack .../iproute2_4.3.0-1ubuntu3.16.04.5_amd64.deb ...
Unpacking iproute2 (4.3.0-1ubuntu3.16.04.5) ...
Selecting previously unselected package ifupdown.
Preparing to unpack .../ifupdown_0.8.10ubuntu1.4_amd64.deb ...
Unpacking ifupdown (0.8.10ubuntu1.4) ...
Selecting previously unselected package libisc-export160.
Preparing to unpack .../libisc-export160_1%3a9.10.3.dfsg.P4-8ubuntu1.19_amd64.deb ...
Unpacking libisc-export160 (1:9.10.3.dfsg.P4-8ubuntu1.19) ...
Selecting previously unselected package libdns-export162.
Preparing to unpack .../libdns-export162_1%3a9.10.3.dfsg.P4-8ubuntu1.19_amd64.deb ...
Unpacking libdns-export162 (1:9.10.3.dfsg.P4-8ubuntu1.19) ...
Selecting previously unselected package isc-dhcp-client.
Preparing to unpack .../isc-dhcp-client_4.3.3-5ubuntu12.10_amd64.deb ...
Unpacking isc-dhcp-client (4.3.3-5ubuntu12.10) ...
Selecting previously unselected package isc-dhcp-common.
Preparing to unpack .../isc-dhcp-common_4.3.3-5ubuntu12.10_amd64.deb ...
Unpacking isc-dhcp-common (4.3.3-5ubuntu12.10) ...
Selecting previously unselected package less.
Preparing to unpack .../less_481-2.1ubuntu0.2_amd64.deb ...
Unpacking less (481-2.1ubuntu0.2) ...
Selecting previously unselected package libffi6:amd64.
Preparing to unpack .../libffi6_3.2.1-4_amd64.deb ...
Unpacking libffi6:amd64 (3.2.1-4) ...
Selecting previously unselected package libnettle6:amd64.
Preparing to unpack .../libnettle6_3.2-1ubuntu0.16.04.2_amd64.deb ...
Unpacking libnettle6:amd64 (3.2-1ubuntu0.16.04.2) ...
Selecting previously unselected package libhogweed4:amd64.
Preparing to unpack .../libhogweed4_3.2-1ubuntu0.16.04.2_amd64.deb ...
Unpacking libhogweed4:amd64 (3.2-1ubuntu0.16.04.2) ...
Selecting previously unselected package libidn11:amd64.
Preparing to unpack .../libidn11_1.32-3ubuntu1.2_amd64.deb ...
Unpacking libidn11:amd64 (1.32-3ubuntu1.2) ...
Selecting previously unselected package libp11-kit0:amd64.
Preparing to unpack .../libp11-kit0_0.23.2-5~ubuntu16.04.2_amd64.deb ...
Unpacking libp11-kit0:amd64 (0.23.2-5~ubuntu16.04.2) ...
Selecting previously unselected package libtasn1-6:amd64.
Preparing to unpack .../libtasn1-6_4.7-3ubuntu0.16.04.3_amd64.deb ...
Unpacking libtasn1-6:amd64 (4.7-3ubuntu0.16.04.3) ...
Selecting previously unselected package libgnutls30:amd64.
Preparing to unpack .../libgnutls30_3.4.10-4ubuntu1.9_amd64.deb ...
Unpacking libgnutls30:amd64 (3.4.10-4ubuntu1.9) ...
Selecting previously unselected package libxtables11:amd64.
Preparing to unpack .../libxtables11_1.6.0-2ubuntu3_amd64.deb ...
Unpacking libxtables11:amd64 (1.6.0-2ubuntu3) ...
Selecting previously unselected package netbase.
Preparing to unpack .../archives/netbase_5.3_all.deb ...
Unpacking netbase (5.3) ...
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dpkg: error processing archive /var/cache/apt/archives/git-man_1%3a2.7.4-0ubuntu1.10_all.deb (--unpack):
 subprocess dpkg-deb --fsys-tarfile was killed by signal (Segmentation fault)
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Errors were encountered while processing:
 /var/cache/apt/archives/git-man_1%3a2.7.4-0ubuntu1.10_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
Could not install all requested build packages: binutils=2.26.1-1ubuntu1~16.04.8 cpp=4:5.3.1-1ubuntu1 cpp-5=5.4.0-6ubuntu1~16.04.12 gcc=4:5.3.1-1ubuntu1 gcc-5=5.4.0-6ubuntu1~16.04.12 git=1:2.7.4-0ubuntu1.10 git-man=1:2.7.4-0ubuntu1.10 ifupdown=0.8.10ubuntu1.4 iproute2=4.3.0-1ubuntu3.16.04.5 isc-dhcp-client=4.3.3-5ubuntu12.10 isc-dhcp-common=4.3.3-5ubuntu12.10 less=481-2.1ubuntu0.2 libasan2=5.4.0-6ubuntu1~16.04.12 libasn1-8-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libatm1=1:2.5.1-1.5 libatomic1=5.4.0-6ubuntu1~16.04.12 libc-dev-bin=2.23-0ubuntu11.3 libc6=2.23-0ubuntu11.3 libc6-dev=2.23-0ubuntu11.3 libcc1-0=5.4.0-6ubuntu1~16.04.12 libcilkrts5=5.4.0-6ubuntu1~16.04.12 libcurl3-gnutls=7.47.0-1ubuntu2.19 libdns-export162=1:9.10.3.dfsg.P4-8ubuntu1.19 liberror-perl=0.17-1.2 libffi6=3.2.1-4 libgcc-5-dev=5.4.0-6ubuntu1~16.04.12 libgdbm3=1.8.3-13.1 libgmp10=2:6.1.0+dfsg-2 libgnutls30=3.4.10-4ubuntu1.9 libgomp1=5.4.0-6ubuntu1~16.04.12 libgssapi3-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libhcrypto4-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libheimbase1-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libheimntlm0-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libhogweed4=3.2-1ubuntu0.16.04.2 libhx509-5-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libidn11=1.32-3ubuntu1.2 libisc-export160=1:9.10.3.dfsg.P4-8ubuntu1.19 libisl15=0.16.1-1 libitm1=5.4.0-6ubuntu1~16.04.12 libkrb5-26-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libldap-2.4-2=2.4.42+dfsg-2ubuntu3.13 liblsan0=5.4.0-6ubuntu1~16.04.12 libmnl0=1.0.3-5 libmpc3=1.0.3-1 libmpfr4=3.1.4-1 libmpx0=5.4.0-6ubuntu1~16.04.12 libnettle6=3.2-1ubuntu0.16.04.2 libp11-kit0=0.23.2-5~ubuntu16.04.2 libperl5.22=5.22.1-9ubuntu0.9 libpopt0=1.16-10 libquadmath0=5.4.0-6ubuntu1~16.04.12 libroken18-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 librtmp1=2.4+20151223.gitfa8646d-1ubuntu0.1 libsasl2-2=2.1.26.dfsg1-14ubuntu0.2 libsasl2-modules=2.1.26.dfsg1-14ubuntu0.2 libsasl2-modules-db=2.1.26.dfsg1-14ubuntu0.2 libtasn1-6=4.7-3ubuntu0.16.04.3 libtsan0=5.4.0-6ubuntu1~16.04.12 libubsan0=5.4.0-6ubuntu1~16.04.12 libwind0-heimdal=1.7~git20150920+dfsg-4ubuntu1.16.04.1 libxtables11=1.6.0-2ubuntu3 linux-libc-dev=4.4.0-210.242 manpages=4.04-2 manpages-dev=4.04-2 netbase=5.3 patch=2.7.5-1ubuntu0.16.04.2 perl=5.22.1-9ubuntu0.9 perl-modules-5.22=5.22.1-9ubuntu0.9 rename=0.20-4 rsync=3.1.1-3ubuntu1.3

The snapcore/snapcraft container image on Docker Hub is woefully out of date and should be considered unmaintained at this point. You should use an alternative container image or roll your own.