[INFO] updating cached repository lgarczyn/ImproVe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lgarczyn/ImproVe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lgarczyn/ImproVe" "work/ex/beta-1.37-6/sources/1.36.0/gh/lgarczyn/ImproVe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lgarczyn/ImproVe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lgarczyn/ImproVe" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lgarczyn/ImproVe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lgarczyn/ImproVe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4bf05c5fe012f93960952d7c0922aa4c8091d241
[INFO] sha for GitHub repo lgarczyn/ImproVe: 4bf05c5fe012f93960952d7c0922aa4c8091d241
[INFO] validating manifest of lgarczyn/ImproVe 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 lgarczyn/ImproVe 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 lgarczyn/ImproVe
[INFO] finished frobbing lgarczyn/ImproVe
[INFO] frobbed toml for lgarczyn/ImproVe written to work/ex/beta-1.37-6/sources/1.36.0/gh/lgarczyn/ImproVe/Cargo.toml
[INFO] started frobbing lgarczyn/ImproVe
[INFO] finished frobbing lgarczyn/ImproVe
[INFO] frobbed toml for lgarczyn/ImproVe written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lgarczyn/ImproVe/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 lgarczyn/ImproVe 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/lgarczyn/ImproVe:/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] c7c876686f2f1f507e5e1434e4a8e6f82c967c84a761ecc897f3c04d1bcc21ae
[INFO] running `"docker" "start" "-a" "c7c876686f2f1f507e5e1434e4a8e6f82c967c84a761ecc897f3c04d1bcc21ae"`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling noisy_float v0.1.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling enum-iterator-derive v0.3.0
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling enum-iterator v0.3.0
[INFO] [stderr]    Compiling improve v0.1.0 (/opt/crater/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/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/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.improve.3wbz360f-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f" "/opt/crater/target/debug/deps/improve-c24f005f5aa4b66f.15364uq28ypfemuv.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/libtermion-53ad239792cae94a.rlib" "/opt/crater/target/debug/deps/libnumtoa-a5a46218da84ebf4.rlib" "/opt/crater/target/debug/deps/libenum_iterator-56c0fb9d94455494.rlib" "/opt/crater/target/debug/deps/librustfft-79973d4f8988d3e0.rlib" "/opt/crater/target/debug/deps/libtranspose-a5d056e5b696003d.rlib" "/opt/crater/target/debug/deps/libstrength_reduce-a73b69a5be60ca71.rlib" "/opt/crater/target/debug/deps/libnum_complex-561f08d1cebf0f07.rlib" "/opt/crater/target/debug/deps/libpalette-b560c245d6d1b4b9.rlib" "/opt/crater/target/debug/deps/libphf-5137726eb111b7c3.rlib" "/opt/crater/target/debug/deps/libphf_shared-d2d3d37bc6b35b7b.rlib" "/opt/crater/target/debug/deps/libsiphasher-3800d550d1146963.rlib" "/opt/crater/target/debug/deps/libapprox-1fd7e0dde6480993.rlib" "/opt/crater/target/debug/deps/libitertools-2a50da3dd0fb9b66.rlib" "/opt/crater/target/debug/deps/libeither-330d39b835267df2.rlib" "/opt/crater/target/debug/deps/libsdl2-3df89b1d2e29514d.rlib" "/opt/crater/target/debug/deps/librand-90f16bd48677b73c.rlib" "/opt/crater/target/debug/deps/librand_xorshift-6a66fc50e6498d00.rlib" "/opt/crater/target/debug/deps/librand_pcg-d8d5dea3cc11bfd5.rlib" "/opt/crater/target/debug/deps/librand_hc-83283ab0a0ee3df8.rlib" "/opt/crater/target/debug/deps/librand_chacha-935e7b1d9428a758.rlib" "/opt/crater/target/debug/deps/librand_isaac-94fc18115e9afd61.rlib" "/opt/crater/target/debug/deps/librand_core-482fdfb44fe03c92.rlib" "/opt/crater/target/debug/deps/librand_os-0de48faa648b11e1.rlib" "/opt/crater/target/debug/deps/librand_jitter-1f73b0ee635ef60d.rlib" "/opt/crater/target/debug/deps/librand_core-a9179eebc82cf0f0.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-a15ed9b6adac3bb3.rlib" "/opt/crater/target/debug/deps/liblazy_static-35422c5bca3b6d90.rlib" "/opt/crater/target/debug/deps/libnum-9181060792beca92.rlib" "/opt/crater/target/debug/deps/libnum_iter-119af297c543b436.rlib" "/opt/crater/target/debug/deps/libnum_integer-a81dd69c1c0fe133.rlib" "/opt/crater/target/debug/deps/libnum_traits-8c434304d2c544b1.rlib" "/opt/crater/target/debug/deps/libclap-1b07d432c48143f5.rlib" "/opt/crater/target/debug/deps/libvec_map-543e31245cb37b03.rlib" "/opt/crater/target/debug/deps/libtextwrap-e00b32a731dbde30.rlib" "/opt/crater/target/debug/deps/libunicode_width-26f3734d51bc29d0.rlib" "/opt/crater/target/debug/deps/libstrsim-4a39029ad64e04f4.rlib" "/opt/crater/target/debug/deps/libbitflags-7220c27e9b431920.rlib" "/opt/crater/target/debug/deps/libatty-4a37f90f69ed8f4d.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "/opt/crater/target/debug/deps/libansi_term-d78a4dc68e723c1a.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" "-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" "c7c876686f2f1f507e5e1434e4a8e6f82c967c84a761ecc897f3c04d1bcc21ae"`
[INFO] running `"docker" "rm" "-f" "c7c876686f2f1f507e5e1434e4a8e6f82c967c84a761ecc897f3c04d1bcc21ae"`
[INFO] [stdout] c7c876686f2f1f507e5e1434e4a8e6f82c967c84a761ecc897f3c04d1bcc21ae