RUN: /usr/share/launchpad-buildd/slavebin/slave-prep ['slave-prep'] Forking launchpad-buildd slave process... Kernel version: Linux templar 3.13.0-83-generic #127-Ubuntu SMP Fri Mar 11 00:26:21 UTC 2016 aarch64 Buildd toolchain package versions: launchpad-buildd_138 python-lpbuildd_138 sbuild_0.65.2-1ubuntu2~ubuntu14.04.1~ppa8 dpkg-dev_1.17.5ubuntu5.5 python-debian_0.1.27ubuntu1~ubuntu14.04.1~ppa1. Syncing the system clock with the buildd NTP service... 26 Apr 12:01:54 ntpdate[28423]: adjust time server 10.211.37.1 offset -0.102995 sec RUN: /usr/share/launchpad-buildd/slavebin/unpack-chroot ['unpack-chroot', 'PACKAGEBUILD-9636657', '/home/buildd/filecache-default/69d3533015def2fc9828d1a0131b60ffb6ebf960'] Unpacking chroot for build PACKAGEBUILD-9636657 RUN: /usr/share/launchpad-buildd/slavebin/mount-chroot ['mount-chroot', 'PACKAGEBUILD-9636657'] Mounting chroot for build PACKAGEBUILD-9636657 RUN: /usr/share/launchpad-buildd/slavebin/override-sources-list ['override-sources-list', 'PACKAGEBUILD-9636657', 'deb http://ftpmaster.internal/ubuntu yakkety main universe'] Overriding sources.list in build-PACKAGEBUILD-9636657 RUN: /usr/share/launchpad-buildd/slavebin/update-debian-chroot ['update-debian-chroot', 'PACKAGEBUILD-9636657', 'arm64'] Updating debian chroot for build PACKAGEBUILD-9636657 Get:1 http://ftpmaster.internal/ubuntu yakkety InRelease [247 kB] Get:2 http://ftpmaster.internal/ubuntu yakkety/main arm64 Packages [1139 kB] Get:3 http://ftpmaster.internal/ubuntu yakkety/main Translation-en [570 kB] Get:4 http://ftpmaster.internal/ubuntu yakkety/universe arm64 Packages [7281 kB] Get:5 http://ftpmaster.internal/ubuntu yakkety/universe Translation-en [4355 kB] Fetched 13.6 MB in 8s (1659 kB/s) Reading package lists... Reading package lists... Building dependency tree... Reading state information... Calculating upgrade... The following NEW packages will be installed: libpng16-16 The following packages will be upgraded: bash binutils cpp-5 g++-5 gcc-5 gcc-5-base gcc-6-base initscripts libasan2 libatomic1 libcc1-0 libgcc-5-dev libgcc1 libgomp1 libitm1 libpng12-0 libslang2 libstdc++-5-dev libstdc++6 libubsan0 optipng sysv-rc sysvinit-utils tzdata 24 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 60.6 MB of archives. After this operation, 204 MB of additional disk space will be used. Get:1 http://ftpmaster.internal/ubuntu yakkety/main arm64 bash arm64 4.3-14ubuntu2 [518 kB] Get:2 http://ftpmaster.internal/ubuntu yakkety/main arm64 sysvinit-utils arm64 2.88dsf-59.3ubuntu4 [20.9 kB] Get:3 http://ftpmaster.internal/ubuntu yakkety/main arm64 sysv-rc all 2.88dsf-59.3ubuntu4 [18.2 kB] Get:4 http://ftpmaster.internal/ubuntu yakkety/main arm64 gcc-6-base arm64 6.0.1-2ubuntu12 [15.8 kB] Get:5 http://ftpmaster.internal/ubuntu yakkety/main arm64 libgcc1 arm64 1:6.0.1-2ubuntu12 [30.1 kB] Get:6 http://ftpmaster.internal/ubuntu yakkety/main arm64 libstdc++6 arm64 6.0.1-2ubuntu12 [367 kB] Get:7 http://ftpmaster.internal/ubuntu yakkety/main arm64 initscripts arm64 2.88dsf-59.3ubuntu4 [24.5 kB] Get:8 http://ftpmaster.internal/ubuntu yakkety/main arm64 tzdata all 2016d-2 [168 kB] Get:9 http://ftpmaster.internal/ubuntu yakkety/main arm64 g++-5 arm64 5.3.1-16ubuntu2 [25.0 MB] Get:10 http://ftpmaster.internal/ubuntu yakkety/main arm64 gcc-5 arm64 5.3.1-16ubuntu2 [5532 kB] Get:11 http://ftpmaster.internal/ubuntu yakkety/main arm64 cpp-5 arm64 5.3.1-16ubuntu2 [23.4 MB] Get:12 http://ftpmaster.internal/ubuntu yakkety/main arm64 libcc1-0 arm64 6.0.1-2ubuntu12 [27.3 kB] Get:13 http://ftpmaster.internal/ubuntu yakkety/main arm64 binutils arm64 2.26-8ubuntu3 [2441 kB] Get:14 http://ftpmaster.internal/ubuntu yakkety/main arm64 libgomp1 arm64 6.0.1-2ubuntu12 [61.8 kB] Get:15 http://ftpmaster.internal/ubuntu yakkety/main arm64 libitm1 arm64 6.0.1-2ubuntu12 [24.9 kB] Get:16 http://ftpmaster.internal/ubuntu yakkety/main arm64 libatomic1 arm64 6.0.1-2ubuntu12 [6594 B] Get:17 http://ftpmaster.internal/ubuntu yakkety/main arm64 libasan2 arm64 5.3.1-16ubuntu2 [232 kB] Get:18 http://ftpmaster.internal/ubuntu yakkety/main arm64 libubsan0 arm64 6.0.1-2ubuntu12 [96.5 kB] Get:19 http://ftpmaster.internal/ubuntu yakkety/main arm64 libstdc++-5-dev arm64 5.3.1-16ubuntu2 [1353 kB] Get:20 http://ftpmaster.internal/ubuntu yakkety/main arm64 libgcc-5-dev arm64 5.3.1-16ubuntu2 [495 kB] Get:21 http://ftpmaster.internal/ubuntu yakkety/main arm64 gcc-5-base arm64 5.3.1-16ubuntu2 [17.2 kB] Get:22 http://ftpmaster.internal/ubuntu yakkety/main arm64 libpng12-0 arm64 1.2.54-6ubuntu1 [105 kB] Get:23 http://ftpmaster.internal/ubuntu yakkety/main arm64 libslang2 arm64 2.3.0-2ubuntu2 [357 kB] Get:24 http://ftpmaster.internal/ubuntu yakkety/main arm64 libpng16-16 arm64 1.6.21-4 [159 kB] Get:25 http://ftpmaster.internal/ubuntu yakkety/main arm64 optipng arm64 0.7.6-1build1 [77.1 kB] debconf: delaying package configuration, since apt-utils is not installed Fetched 60.6 MB in 30s (1977 kB/s) (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12029 files and directories currently installed.) Preparing to unpack .../bash_4.3-14ubuntu2_arm64.deb ... Unpacking bash (4.3-14ubuntu2) over (4.3-14ubuntu1) ... Setting up bash (4.3-14ubuntu2) ... update-alternatives: using /usr/share/man/man7/bash-builtins.7.gz to provide /usr/share/man/man7/builtins.7.gz (builtins.7.gz) in auto mode (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12029 files and directories currently installed.) Preparing to unpack .../sysvinit-utils_2.88dsf-59.3ubuntu4_arm64.deb ... Unpacking sysvinit-utils (2.88dsf-59.3ubuntu4) over (2.88dsf-59.3ubuntu2) ... Setting up sysvinit-utils (2.88dsf-59.3ubuntu4) ... (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12029 files and directories currently installed.) Preparing to unpack .../sysv-rc_2.88dsf-59.3ubuntu4_all.deb ... Unpacking sysv-rc (2.88dsf-59.3ubuntu4) over (2.88dsf-59.3ubuntu2) ... Preparing to unpack .../gcc-6-base_6.0.1-2ubuntu12_arm64.deb ... Unpacking gcc-6-base:arm64 (6.0.1-2ubuntu12) over (6.0.1-0ubuntu1) ... Processing triggers for systemd (229-4ubuntu4) ... Setting up gcc-6-base:arm64 (6.0.1-2ubuntu12) ... (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12029 files and directories currently installed.) Preparing to unpack .../libgcc1_1%3a6.0.1-2ubuntu12_arm64.deb ... Unpacking libgcc1:arm64 (1:6.0.1-2ubuntu12) over (1:6.0.1-0ubuntu1) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... Setting up libgcc1:arm64 (1:6.0.1-2ubuntu12) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12029 files and directories currently installed.) Preparing to unpack .../libstdc++6_6.0.1-2ubuntu12_arm64.deb ... Unpacking libstdc++6:arm64 (6.0.1-2ubuntu12) over (5.3.1-14ubuntu2) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... Setting up libstdc++6:arm64 (6.0.1-2ubuntu12) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12029 files and directories currently installed.) Preparing to unpack .../initscripts_2.88dsf-59.3ubuntu4_arm64.deb ... Unpacking initscripts (2.88dsf-59.3ubuntu4) over (2.88dsf-59.3ubuntu2) ... Preparing to unpack .../tzdata_2016d-2_all.deb ... Unpacking tzdata (2016d-2) over (2016d-0ubuntu0.16.04) ... Preparing to unpack .../g++-5_5.3.1-16ubuntu2_arm64.deb ... Unpacking g++-5 (5.3.1-16ubuntu2) over (5.3.1-14ubuntu2) ... Preparing to unpack .../gcc-5_5.3.1-16ubuntu2_arm64.deb ... Unpacking gcc-5 (5.3.1-16ubuntu2) over (5.3.1-14ubuntu2) ... Preparing to unpack .../cpp-5_5.3.1-16ubuntu2_arm64.deb ... Unpacking cpp-5 (5.3.1-16ubuntu2) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libcc1-0_6.0.1-2ubuntu12_arm64.deb ... Unpacking libcc1-0:arm64 (6.0.1-2ubuntu12) over (5.3.1-14ubuntu2) ... Preparing to unpack .../binutils_2.26-8ubuntu3_arm64.deb ... Unpacking binutils (2.26-8ubuntu3) over (2.26-8ubuntu2) ... Preparing to unpack .../libgomp1_6.0.1-2ubuntu12_arm64.deb ... Unpacking libgomp1:arm64 (6.0.1-2ubuntu12) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libitm1_6.0.1-2ubuntu12_arm64.deb ... Unpacking libitm1:arm64 (6.0.1-2ubuntu12) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libatomic1_6.0.1-2ubuntu12_arm64.deb ... Unpacking libatomic1:arm64 (6.0.1-2ubuntu12) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libasan2_5.3.1-16ubuntu2_arm64.deb ... Unpacking libasan2:arm64 (5.3.1-16ubuntu2) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libubsan0_6.0.1-2ubuntu12_arm64.deb ... Unpacking libubsan0:arm64 (6.0.1-2ubuntu12) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libstdc++-5-dev_5.3.1-16ubuntu2_arm64.deb ... Unpacking libstdc++-5-dev:arm64 (5.3.1-16ubuntu2) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libgcc-5-dev_5.3.1-16ubuntu2_arm64.deb ... Unpacking libgcc-5-dev:arm64 (5.3.1-16ubuntu2) over (5.3.1-14ubuntu2) ... Preparing to unpack .../gcc-5-base_5.3.1-16ubuntu2_arm64.deb ... Unpacking gcc-5-base:arm64 (5.3.1-16ubuntu2) over (5.3.1-14ubuntu2) ... Preparing to unpack .../libpng12-0_1.2.54-6ubuntu1_arm64.deb ... Unpacking libpng12-0:arm64 (1.2.54-6ubuntu1) over (1.2.54-1ubuntu1) ... Preparing to unpack .../libslang2_2.3.0-2ubuntu2_arm64.deb ... Unpacking libslang2:arm64 (2.3.0-2ubuntu2) over (2.3.0-2ubuntu1) ... Selecting previously unselected package libpng16-16:arm64. Preparing to unpack .../libpng16-16_1.6.21-4_arm64.deb ... Unpacking libpng16-16:arm64 (1.6.21-4) ... Preparing to unpack .../optipng_0.7.6-1build1_arm64.deb ... Unpacking optipng (0.7.6-1build1) over (0.7.6-1) ... Processing triggers for systemd (229-4ubuntu4) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... Setting up sysv-rc (2.88dsf-59.3ubuntu4) ... Setting up initscripts (2.88dsf-59.3ubuntu4) ... Setting up tzdata (2016d-2) ... Current default time zone: 'Etc/UTC' Local time is now: Tue Apr 26 16:03:15 UTC 2016. Universal Time is now: Tue Apr 26 16:03:15 UTC 2016. Run 'dpkg-reconfigure tzdata' if you wish to change it. Setting up gcc-5-base:arm64 (5.3.1-16ubuntu2) ... Setting up cpp-5 (5.3.1-16ubuntu2) ... Setting up libcc1-0:arm64 (6.0.1-2ubuntu12) ... Setting up binutils (2.26-8ubuntu3) ... Setting up libgomp1:arm64 (6.0.1-2ubuntu12) ... Setting up libitm1:arm64 (6.0.1-2ubuntu12) ... Setting up libatomic1:arm64 (6.0.1-2ubuntu12) ... Setting up libasan2:arm64 (5.3.1-16ubuntu2) ... Setting up libubsan0:arm64 (6.0.1-2ubuntu12) ... Setting up libgcc-5-dev:arm64 (5.3.1-16ubuntu2) ... Setting up gcc-5 (5.3.1-16ubuntu2) ... Setting up libstdc++-5-dev:arm64 (5.3.1-16ubuntu2) ... Setting up g++-5 (5.3.1-16ubuntu2) ... Setting up libpng12-0:arm64 (1.2.54-6ubuntu1) ... Setting up libslang2:arm64 (2.3.0-2ubuntu2) ... Setting up libpng16-16:arm64 (1.6.21-4) ... Setting up optipng (0.7.6-1build1) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... RUN: /usr/share/launchpad-buildd/slavebin/sbuild-package ['sbuild-package', 'PACKAGEBUILD-9636657', 'arm64', 'yakkety', '-c', 'chroot:autobuild', '--arch=arm64', '--dist=yakkety', '--purge=never', '--nolog', 'gforth_0.7.2+dfsg1-1.1.dsc'] Initiating build PACKAGEBUILD-9636657 with 8 jobs across 8 processor cores. Kernel reported to sbuild: 3.13.0-83-generic #127-Ubuntu SMP Fri Mar 11 00:26:21 UTC 2016 aarch64 sbuild (Debian sbuild) 0.65.2 (24 Mar 2015) on templar.buildd ╔══════════════════════════════════════════════════════════════════════════════╗ ║ gforth 0.7.2+dfsg1-1.1 (arm64) 26 Apr 2016 12:03 ║ ╚══════════════════════════════════════════════════════════════════════════════╝ Package: gforth Version: 0.7.2+dfsg1-1.1 Source Version: 0.7.2+dfsg1-1.1 Distribution: yakkety Machine Architecture: arm64 Host Architecture: arm64 Build Architecture: arm64 I: NOTICE: Log filtering will replace 'build/gforth-P1i1Pk/gforth-0.7.2+dfsg1' with '«PKGBUILDDIR»' I: NOTICE: Log filtering will replace 'build/gforth-P1i1Pk' with '«BUILDDIR»' I: NOTICE: Log filtering will replace 'home/buildd/build-PACKAGEBUILD-9636657/chroot-autobuild' with '«CHROOT»' ┌──────────────────────────────────────────────────────────────────────────────┐ │ Fetch source files │ └──────────────────────────────────────────────────────────────────────────────┘ Local sources ───────────── gforth_0.7.2+dfsg1-1.1.dsc exists in .; copying to chroot Check architectures ─────────────────── Check dependencies ────────────────── Merged Build-Depends: build-essential, fakeroot Filtered Build-Depends: build-essential, fakeroot dpkg-deb: building package 'sbuild-build-depends-core-dummy' in '/«BUILDDIR»/resolver-SpSe2d/apt_archive/sbuild-build-depends-core-dummy.deb'. Ign:1 copy:/«BUILDDIR»/resolver-SpSe2d/apt_archive ./ InRelease Get:2 copy:/«BUILDDIR»/resolver-SpSe2d/apt_archive ./ Release [2119 B] Ign:3 copy:/«BUILDDIR»/resolver-SpSe2d/apt_archive ./ Release.gpg Get:4 copy:/«BUILDDIR»/resolver-SpSe2d/apt_archive ./ Sources [208 B] Get:5 copy:/«BUILDDIR»/resolver-SpSe2d/apt_archive ./ Packages [524 B] Fetched 2851 B in 0s (199 kB/s) Reading package lists... W: The repository 'copy:/«BUILDDIR»/resolver-SpSe2d/apt_archive ./ Release' is not signed. Reading package lists... ┌──────────────────────────────────────────────────────────────────────────────┐ │ Install core build dependencies (apt-based resolver) │ └──────────────────────────────────────────────────────────────────────────────┘ Installing build dependencies Reading package lists... Building dependency tree... Reading state information... The following NEW packages will be installed: sbuild-build-depends-core-dummy 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 768 B of archives. After this operation, 0 B of additional disk space will be used. WARNING: The following packages cannot be authenticated! sbuild-build-depends-core-dummy Authentication warning overridden. Get:1 copy:/«BUILDDIR»/resolver-SpSe2d/apt_archive ./ sbuild-build-depends-core-dummy 0.invalid.0 [768 B] debconf: delaying package configuration, since apt-utils is not installed Fetched 768 B in 0s (0 B/s) Selecting previously unselected package sbuild-build-depends-core-dummy. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12037 files and directories currently installed.) Preparing to unpack .../sbuild-build-depends-core-dummy_0.invalid.0_arm64.deb ... Unpacking sbuild-build-depends-core-dummy (0.invalid.0) ... Setting up sbuild-build-depends-core-dummy (0.invalid.0) ... Merged Build-Depends: base-files, base-passwd, bash, bsdutils, coreutils, dash, debianutils, diffutils, dpkg, e2fsprogs, findutils, grep, gzip, hostname, init, libc-bin, login, mount, ncurses-base, ncurses-bin, perl-base, sed, tar, util-linux, libc6-dev | libc-dev, gcc (>= 4:5.2), g++ (>= 4:5.2), make, dpkg-dev (>= 1.17.11), debhelper (>= 9), autoconf, automake, dh-autoreconf, libffcall1-dev, libtool, libtool-bin, libltdl-dev Filtered Build-Depends: base-files, base-passwd, bash, bsdutils, coreutils, dash, debianutils, diffutils, dpkg, e2fsprogs, findutils, grep, gzip, hostname, init, libc-bin, login, mount, ncurses-base, ncurses-bin, perl-base, sed, tar, util-linux, libc6-dev | libc-dev, gcc (>= 4:5.2), g++ (>= 4:5.2), make, dpkg-dev (>= 1.17.11), debhelper (>= 9), autoconf, automake, dh-autoreconf, libffcall1-dev, libtool, libtool-bin, libltdl-dev dpkg-deb: building package 'sbuild-build-depends-gforth-dummy' in '/«BUILDDIR»/resolver-S9050m/apt_archive/sbuild-build-depends-gforth-dummy.deb'. Ign:1 copy:/«BUILDDIR»/resolver-S9050m/apt_archive ./ InRelease Get:2 copy:/«BUILDDIR»/resolver-S9050m/apt_archive ./ Release [2119 B] Ign:3 copy:/«BUILDDIR»/resolver-S9050m/apt_archive ./ Release.gpg Get:4 copy:/«BUILDDIR»/resolver-S9050m/apt_archive ./ Sources [456 B] Get:5 copy:/«BUILDDIR»/resolver-S9050m/apt_archive ./ Packages [722 B] Fetched 3297 B in 0s (230 kB/s) Reading package lists... W: The repository 'copy:/«BUILDDIR»/resolver-S9050m/apt_archive ./ Release' is not signed. Reading package lists... ┌──────────────────────────────────────────────────────────────────────────────┐ │ Install gforth build dependencies (apt-based resolver) │ └──────────────────────────────────────────────────────────────────────────────┘ Installing build dependencies Reading package lists... Building dependency tree... Reading state information... Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: sbuild-build-depends-gforth-dummy : Depends: libffcall1-dev but it is not installable E: Unable to correct problems, you have held broken packages. apt-get failed. Package installation failed Reading package lists... Building dependency tree... Reading state information... 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Reading package lists... Building dependency tree... Reading state information... The following packages will be REMOVED: sbuild-build-depends-core-dummy* 0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded. After this operation, 0 B of additional disk space will be used. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 12037 files and directories currently installed.) Removing sbuild-build-depends-core-dummy (0.invalid.0) ... ┌──────────────────────────────────────────────────────────────────────────────┐ │ Cleanup │ └──────────────────────────────────────────────────────────────────────────────┘ Not removing build depends: as requested Keeping session: E: Package build dependencies not satisfied; skipping ┌──────────────────────────────────────────────────────────────────────────────┐ │ Summary │ └──────────────────────────────────────────────────────────────────────────────┘ Build Architecture: arm64 Build-Space: 0 Build-Time: 0 Distribution: yakkety Fail-Stage: install-deps Host Architecture: arm64 Install-Time: 0 Job: gforth_0.7.2+dfsg1-1.1.dsc Machine Architecture: arm64 Package: gforth Package-Time: 0 Source-Version: 0.7.2+dfsg1-1.1 Space: 0 Status: failed Version: 0.7.2+dfsg1-1.1 ──────────────────────────────────────────────────────────────────────────────── Finished at 20160426-1203 Build needed 00:00:00, 0k disc space E: Package build dependencies not satisfied; skipping RUN: /usr/share/launchpad-buildd/slavebin/scan-for-processes ['scan-for-processes', 'PACKAGEBUILD-9636657'] Scanning for processes to kill in build /home/buildd/build-PACKAGEBUILD-9636657/chroot-autobuild... RUN: /usr/share/launchpad-buildd/slavebin/umount-chroot ['umount-chroot', 'PACKAGEBUILD-9636657'] Unmounting chroot for build PACKAGEBUILD-9636657... RUN: /usr/share/launchpad-buildd/slavebin/remove-build ['remove-build', 'PACKAGEBUILD-9636657'] Removing build PACKAGEBUILD-9636657