[INFO] updating cached repository michaelsproul/aus_senate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelsproul/aus_senate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/aus_senate" "work/ex/beta-1.37-6/sources/1.36.0/gh/michaelsproul/aus_senate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/michaelsproul/aus_senate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/aus_senate" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelsproul/aus_senate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelsproul/aus_senate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9ec4823e57db9911d61a568a3d1c079e1fad152
[INFO] sha for GitHub repo michaelsproul/aus_senate: c9ec4823e57db9911d61a568a3d1c079e1fad152
[INFO] validating manifest of michaelsproul/aus_senate on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of michaelsproul/aus_senate on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing michaelsproul/aus_senate
[INFO] finished frobbing michaelsproul/aus_senate
[INFO] frobbed toml for michaelsproul/aus_senate written to work/ex/beta-1.37-6/sources/1.36.0/gh/michaelsproul/aus_senate/Cargo.toml
[INFO] started frobbing michaelsproul/aus_senate
[INFO] finished frobbing michaelsproul/aus_senate
[INFO] frobbed toml for michaelsproul/aus_senate written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/michaelsproul/aus_senate/Cargo.toml
[INFO] crate michaelsproul/aus_senate already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing michaelsproul/aus_senate against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/michaelsproul/aus_senate:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 393904b0980eb54df0068b36983b75b7b2324b0fce102b5e1dafec25cf5ee764
[INFO] running `"docker" "start" "-a" "393904b0980eb54df0068b36983b75b7b2324b0fce102b5e1dafec25cf5ee764"`
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling itertools v0.6.0
[INFO] [stderr]    Compiling csv-core v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]    Compiling rust-gmp v0.5.0
[INFO] [stderr]    Compiling csv v1.0.0-beta.3
[INFO] [stderr]    Compiling aus_senate v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vote_map.rs:195:17
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut info = self.info.get_mut(&continuing_id).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.election2016.egk13j3e-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978" "/opt/crater/target/debug/deps/election2016-55006cb2fb5a1978.3laxlm1zcqzlndxl.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libaus_senate-ebaa13b0e3a2e185.rlib" "/opt/crater/target/debug/deps/liblazy_static-35422c5bca3b6d90.rlib" "/opt/crater/target/debug/deps/librand-b655b7655d7aa483.rlib" "/opt/crater/target/debug/deps/libitertools-28203ef70224442d.rlib" "/opt/crater/target/debug/deps/libeither-3d9972071d9f3de9.rlib" "/opt/crater/target/debug/deps/libunwrap-8fac8726f42c8d80.rlib" "/opt/crater/target/debug/deps/libgmp-366db44e65f8061f.rlib" "/opt/crater/target/debug/deps/libnum_traits-2d55b9781df1155d.rlib" "/opt/crater/target/debug/deps/libenv_logger-9819a4ee69d9f5ed.rlib" "/opt/crater/target/debug/deps/libregex-0141b4370a54a911.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-0b3ff6a95d018017.rlib" "/opt/crater/target/debug/deps/libregex_syntax-bfa52ea7a5871519.rlib" "/opt/crater/target/debug/deps/libthread_local-4f87840ce4bbb92b.rlib" "/opt/crater/target/debug/deps/libunreachable-2017a4cad4d1cf08.rlib" "/opt/crater/target/debug/deps/libvoid-e4249880315f5034.rlib" "/opt/crater/target/debug/deps/libthread_id-7fe73ec1a36d0123.rlib" "/opt/crater/target/debug/deps/libaho_corasick-3270f20f23321c0f.rlib" "/opt/crater/target/debug/deps/libcsv-7591c4c408d6dde5.rlib" "/opt/crater/target/debug/deps/libserde-fe0864032b09429c.rlib" "/opt/crater/target/debug/deps/libcsv_core-1f2a94cac1beeda6.rlib" "/opt/crater/target/debug/deps/libmemchr-d522d188af2b7576.rlib" "/opt/crater/target/debug/deps/liblibc-955f030325dfd0ed.rlib" "/opt/crater/target/debug/deps/liblog-6e83ecefb0e0b4fa.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lgmp" "-lgmp" "-lgmp" "-lgmp" "-lgmp" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lgmp
[INFO] [stderr]           /usr/bin/ld: cannot find -lgmp
[INFO] [stderr]           /usr/bin/ld: cannot find -lgmp
[INFO] [stderr]           /usr/bin/ld: cannot find -lgmp
[INFO] [stderr]           /usr/bin/ld: cannot find -lgmp
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `aus_senate`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "393904b0980eb54df0068b36983b75b7b2324b0fce102b5e1dafec25cf5ee764"`
[INFO] running `"docker" "rm" "-f" "393904b0980eb54df0068b36983b75b7b2324b0fce102b5e1dafec25cf5ee764"`
[INFO] [stdout] 393904b0980eb54df0068b36983b75b7b2324b0fce102b5e1dafec25cf5ee764