[INFO] updating cached repository https://github.com/lgarczyn/ImproVe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4bf05c5fe012f93960952d7c0922aa4c8091d241
[INFO] testing lgarczyn/ImproVe against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flgarczyn%2FImproVe" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lgarczyn/ImproVe on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lgarczyn/ImproVe
[INFO] finished tweaking git repo https://github.com/lgarczyn/ImproVe
[INFO] tweaked toml for git repo https://github.com/lgarczyn/ImproVe written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-iterator-derive v0.5.0
[INFO] [stderr]   Downloaded enum-iterator v0.5.0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7504998b093c5acc37140c79d4b17f518bd73b187ca92e8ef225ffcfe86bd1f0
[INFO] running `"docker" "start" "-a" "7504998b093c5acc37140c79d4b17f518bd73b187ca92e8ef225ffcfe86bd1f0"`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling noisy_float v0.1.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling enum-iterator-derive v0.5.0
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling enum-iterator v0.5.0
[INFO] [stderr]    Compiling improve v0.1.0 (/opt/rustwide/workdir)
[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/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.improve.8nb77oen-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe" "/opt/rustwide/target/debug/deps/improve-a29753751e1ab7fe.4wjqq7pahjssxrss.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtermion-96e99f30eb7cd480.rlib" "/opt/rustwide/target/debug/deps/libnumtoa-c22245ce2fe5074e.rlib" "/opt/rustwide/target/debug/deps/libenum_iterator-63cb4d3a5c647add.rlib" "/opt/rustwide/target/debug/deps/librustfft-7e04da853f6e1578.rlib" "/opt/rustwide/target/debug/deps/libtranspose-5120ade11b558c94.rlib" "/opt/rustwide/target/debug/deps/libstrength_reduce-3ff35d253d08431c.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-2bfbb2133dc12204.rlib" "/opt/rustwide/target/debug/deps/libpalette-1e11d22604fbb525.rlib" "/opt/rustwide/target/debug/deps/libphf-1bd73c880216984c.rlib" "/opt/rustwide/target/debug/deps/libphf_shared-877376db81d2fcce.rlib" "/opt/rustwide/target/debug/deps/libsiphasher-313eabf8a1722ae5.rlib" "/opt/rustwide/target/debug/deps/libapprox-18d240db38cea552.rlib" "/opt/rustwide/target/debug/deps/libitertools-c752445a97406995.rlib" "/opt/rustwide/target/debug/deps/libeither-a375c15081516f4e.rlib" "/opt/rustwide/target/debug/deps/libsdl2-6ff01cf6e602f22d.rlib" "/opt/rustwide/target/debug/deps/librand-4698e61893af559a.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-0466e57f824d7b92.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-9332818d705c40a7.rlib" "/opt/rustwide/target/debug/deps/librand_hc-0b42ba6391255701.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-16f13f148e1c6ee4.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-ccd88191e01f5691.rlib" "/opt/rustwide/target/debug/deps/librand_core-265447ba40b0dcfb.rlib" "/opt/rustwide/target/debug/deps/librand_os-23c23bdef00e4e92.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-7a8a2b3609279bf1.rlib" "/opt/rustwide/target/debug/deps/librand_core-4aa3cc91f7697a4f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-064ef93dc2102bfe.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-955d54352a795d1f.rlib" "/opt/rustwide/target/debug/deps/libnum-b57528460172548f.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-c810663dab3e9f7e.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-2dd52f0ea276c9ff.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-a49361b936b25068.rlib" "/opt/rustwide/target/debug/deps/libclap-5c0a41085879ee54.rlib" "/opt/rustwide/target/debug/deps/libvec_map-1d07ce46f780a1ae.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-1f2d63b65184cfac.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-b9c8816a90102d04.rlib" "/opt/rustwide/target/debug/deps/libstrsim-ec36f8fc183413c4.rlib" "/opt/rustwide/target/debug/deps/libbitflags-4961bb5087b14aca.rlib" "/opt/rustwide/target/debug/deps/libatty-03b8a93222186773.rlib" "/opt/rustwide/target/debug/deps/liblibc-9f7a5de25bd5699b.rlib" "/opt/rustwide/target/debug/deps/libansi_term-d783327a58311329.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[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 `improve`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7504998b093c5acc37140c79d4b17f518bd73b187ca92e8ef225ffcfe86bd1f0"`
[INFO] running `"docker" "rm" "-f" "7504998b093c5acc37140c79d4b17f518bd73b187ca92e8ef225ffcfe86bd1f0"`
[INFO] [stdout] 7504998b093c5acc37140c79d4b17f518bd73b187ca92e8ef225ffcfe86bd1f0