/ # apk add -U --no-cache -t build-deps ruby-dev build-base libffi-dev wget
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/community/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.6/community/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
ERROR: unsatisfiable constraints:
  musl-1.1.16-r9:
    breaks: musl-dev-1.1.16-r14[musl=1.1.16-r14]
    satisfies: musl-utils-1.1.16-r9[musl=1.1.16-r9] musl-utils-1.1.16-r9[so:libc.musl-x86_64.so.1]
               pkgconf-1.3.7-r0[so:libc.musl-x86_64.so.1] wget-1.19.1-r2[so:libc.musl-x86_64.so.1]
               gcc-6.3.0-r4[so:libc.musl-x86_64.so.1] binutils-libs-2.28-r3[so:libc.musl-x86_64.so.1]
               libcrypto1.0-1.0.2m-r0[so:libc.musl-x86_64.so.1] g++-6.3.0-r4[so:libc.musl-x86_64.so.1]
               libressl2.5-libcrypto-2.5.4-r0[so:libc.musl-x86_64.so.1]
               libgmpxx-6.1.2-r0[so:libc.musl-x86_64.so.1] readline-6.3.008-r5[so:libc.musl-x86_64.so.1]
               libressl2.5-libssl-2.5.4-r0[so:libc.musl-x86_64.so.1]
               http-parser-2.7.1-r1[so:libc.musl-x86_64.so.1] ruby-2.4.2-r0[so:libc.musl-x86_64.so.1]
               mpfr3-3.1.5-r0[so:libc.musl-x86_64.so.1] libuv-1.11.0-r1[so:libc.musl-x86_64.so.1]
               ncurses-libs-6.0_p20170930-r0[so:libc.musl-x86_64.so.1]
               ruby-libs-2.4.2-r0[so:libc.musl-x86_64.so.1] gdbm-1.12-r0[so:libc.musl-x86_64.so.1]
               libstdc++-6.3.0-r4[so:libc.musl-x86_64.so.1] nodejs-6.10.3-r1[so:libc.musl-x86_64.so.1]
               isl-0.17.1-r0[so:libc.musl-x86_64.so.1] libcurl-7.56.1-r0[so:libc.musl-x86_64.so.1]
               mpc1-1.0.3-r0[so:libc.musl-x86_64.so.1] git-2.13.5-r0[so:libc.musl-x86_64.so.1]
               oniguruma-6.3.0-r0[so:libc.musl-x86_64.so.1] pcre-8.41-r0[so:libc.musl-x86_64.so.1]
               libffi-3.2.1-r3[so:libc.musl-x86_64.so.1] zlib-1.2.11-r0[so:libc.musl-x86_64.so.1]
               libgomp-6.3.0-r4[so:libc.musl-x86_64.so.1] apk-tools-2.7.1-r0[so:libc.musl-x86_64.so.1]
               libssh2-1.8.0-r1[so:libc.musl-x86_64.so.1] php5-cli-5.6.32-r0[so:libc.musl-x86_64.so.1]
               libgcc-6.3.0-r4[so:libc.musl-x86_64.so.1] make-4.2.1-r0[so:libc.musl-x86_64.so.1]
               curl-7.56.1-r0[so:libc.musl-x86_64.so.1] alpine-baselayout-3.0.4-r0[so:libc.musl-x86_64.so.1]
               libatomic-6.3.0-r4[so:libc.musl-x86_64.so.1]
               ca-certificates-20161130-r2[so:libc.musl-x86_64.so.1]
               libxml2-2.9.4-r4[so:libc.musl-x86_64.so.1] yaml-0.1.7-r0[so:libc.musl-x86_64.so.1]
               gmp-6.1.2-r0[so:libc.musl-x86_64.so.1] tar-1.29-r1[so:libc.musl-x86_64.so.1]
               jq-1.5-r3[so:libc.musl-x86_64.so.1] busybox-1.26.2-r4[so:libc.musl-x86_64.so.1]
               scanelf-1.2.2-r0[so:libc.musl-x86_64.so.1] php5-phar-5.6.32-r0[so:libc.musl-x86_64.so.1]
               php5-openssl-5.6.32-r0[so:libc.musl-x86_64.so.1] expat-2.2.0-r1[so:libc.musl-x86_64.so.1]
               binutils-2.28-r3[so:libc.musl-x86_64.so.1] php5-dom-5.6.32-r0[so:libc.musl-x86_64.so.1]
               libssl1.0-1.0.2m-r0[so:libc.musl-x86_64.so.1] php5-json-5.6.32-r0[so:libc.musl-x86_64.so.1]
  build-deps-0:
    masked in: cache
    satisfies: world[build-deps]