[INFO] updating cached repository https://github.com/lgarczyn/ImproVe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bf05c5fe012f93960952d7c0922aa4c8091d241
[INFO] testing lgarczyn/ImproVe against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flgarczyn%2FImproVe" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lgarczyn/ImproVe on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 616e2543ea9739344e969d84faa97ff95a2264d9796f4c952c48256bcb8eee91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "616e2543ea9739344e969d84faa97ff95a2264d9796f4c952c48256bcb8eee91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616e2543ea9739344e969d84faa97ff95a2264d9796f4c952c48256bcb8eee91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616e2543ea9739344e969d84faa97ff95a2264d9796f4c952c48256bcb8eee91", kill_on_drop: false }`
[INFO] [stdout] 616e2543ea9739344e969d84faa97ff95a2264d9796f4c952c48256bcb8eee91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1117107809aa9bc81b5cd51a5056e5c58847dcdf13c9a8eece186de1bf8909c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1117107809aa9bc81b5cd51a5056e5c58847dcdf13c9a8eece186de1bf8909c", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling noisy_float v0.1.12
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rustfft v3.0.1
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling enum-iterator v0.6.0
[INFO] [stderr]    Compiling improve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.improve.f01rrqrd-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb" "/opt/rustwide/target/debug/deps/improve-f1373616b4ff23eb.39f5qjvc4vl1prf5.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtermion-5d85eb547a82b0f8.rlib" "/opt/rustwide/target/debug/deps/libnumtoa-a4e6e4d416695b02.rlib" "/opt/rustwide/target/debug/deps/libenum_iterator-1e33171c90a96a40.rlib" "/opt/rustwide/target/debug/deps/librustfft-1f5772c88d8bcde2.rlib" "/opt/rustwide/target/debug/deps/libtranspose-1819eb125b22d4bc.rlib" "/opt/rustwide/target/debug/deps/libstrength_reduce-80bd9d8b67f3bcb6.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-dfe6abfbbeea45ff.rlib" "/opt/rustwide/target/debug/deps/libpalette-7cca0a42a829400c.rlib" "/opt/rustwide/target/debug/deps/libphf-5ee2a90a9072bd8f.rlib" "/opt/rustwide/target/debug/deps/libphf_shared-9a06ca0df95042cb.rlib" "/opt/rustwide/target/debug/deps/libsiphasher-ce1fec0ca78bc200.rlib" "/opt/rustwide/target/debug/deps/libapprox-d5fea6f1e3c70a4e.rlib" "/opt/rustwide/target/debug/deps/libitertools-d39420ff15caf191.rlib" "/opt/rustwide/target/debug/deps/libeither-e56ae8568f7848ad.rlib" "/opt/rustwide/target/debug/deps/libsdl2-fc94ce259f93f0b8.rlib" "/opt/rustwide/target/debug/deps/librand-de59fabcf8c054aa.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-ff4debf85d7d0431.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-d3554ad8d1f072a9.rlib" "/opt/rustwide/target/debug/deps/librand_hc-67b08b8b6035b688.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-3f3162119f31c395.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-ae775067d7a59098.rlib" "/opt/rustwide/target/debug/deps/librand_core-eadf77cab825c6b0.rlib" "/opt/rustwide/target/debug/deps/librand_os-8644fedd5fcfea64.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-c74589dc11794036.rlib" "/opt/rustwide/target/debug/deps/librand_core-8dd96053848a29ab.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-9da25a42d17ce042.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/libnum-9b57e9962057c6cd.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-6656b01f45368b3a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-94fd0f13cfea77ad.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-63253226b9d79376.rlib" "/opt/rustwide/target/debug/deps/libclap-2cf1b6e930c9588c.rlib" "/opt/rustwide/target/debug/deps/libvec_map-7100684f869cd5d4.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-8ae0f8936ac22737.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-205a394572a8e7c4.rlib" "/opt/rustwide/target/debug/deps/libstrsim-22d7efa33182e3c6.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/libatty-12222e46c3c2fc91.rlib" "/opt/rustwide/target/debug/deps/liblibc-1da13201d615d981.rlib" "/opt/rustwide/target/debug/deps/libansi_term-fe7bdec5ded10333.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `improve`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b1117107809aa9bc81b5cd51a5056e5c58847dcdf13c9a8eece186de1bf8909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1117107809aa9bc81b5cd51a5056e5c58847dcdf13c9a8eece186de1bf8909c", kill_on_drop: false }`
[INFO] [stdout] b1117107809aa9bc81b5cd51a5056e5c58847dcdf13c9a8eece186de1bf8909c