[INFO] updating cached repository thomak-dev/rbgame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thomak-dev/rbgame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thomak-dev/rbgame" "work/ex/beta-1.37-6/sources/1.36.0/gh/thomak-dev/rbgame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/thomak-dev/rbgame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thomak-dev/rbgame" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thomak-dev/rbgame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thomak-dev/rbgame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cf6a189c4db2893bd882bb85f9eedab069ded99
[INFO] sha for GitHub repo thomak-dev/rbgame: 8cf6a189c4db2893bd882bb85f9eedab069ded99
[INFO] validating manifest of thomak-dev/rbgame 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 thomak-dev/rbgame 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 thomak-dev/rbgame
[INFO] finished frobbing thomak-dev/rbgame
[INFO] frobbed toml for thomak-dev/rbgame written to work/ex/beta-1.37-6/sources/1.36.0/gh/thomak-dev/rbgame/Cargo.toml
[INFO] started frobbing thomak-dev/rbgame
[INFO] finished frobbing thomak-dev/rbgame
[INFO] frobbed toml for thomak-dev/rbgame written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thomak-dev/rbgame/Cargo.toml
[INFO] crate thomak-dev/rbgame 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 thomak-dev/rbgame 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/thomak-dev/rbgame:/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] be8682eb9c5050c300185aed92dc820ef031ecb0176314aafe79f9c13279580d
[INFO] running `"docker" "start" "-a" "be8682eb9c5050c300185aed92dc820ef031ecb0176314aafe79f9c13279580d"`
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling rbgame v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]    --> src/graphics.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 |     source: gl::types::GLenum,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gltype`
[INFO] [stderr]    --> src/graphics.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |     gltype: gl::types::GLenum,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_gltype`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/graphics.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     id: gl::types::GLuint,
[INFO] [stderr]     |     ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]    --> src/graphics.rs:244:5
[INFO] [stderr]     |
[INFO] [stderr] 244 |     length: gl::types::GLsizei,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user_param`
[INFO] [stderr]    --> src/graphics.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     user_param: *mut raw::c_void,
[INFO] [stderr]     |     ^^^^^^^^^^ help: consider prefixing with an underscore: `_user_param`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> /opt/crater/target/debug/build/rbgame-27db6c3391df1752/out/gl_bindings.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn metaloadfn(mut loadfn: &mut FnMut(&str) -> *const __gl_imports::raw::c_void,
[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] warning: variant is never constructed: `Geometry`
[INFO] [stderr]   --> src/graphics.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     Geometry(ShaderHandle),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `geom`
[INFO] [stderr]   --> src/graphics.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn geom(src: &str) -> Shader {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let context = window.gl_create_context().unwrap();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] 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/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.rbgame.dz6r52oe-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888" "/opt/crater/target/debug/deps/rbgame-f524b9017c6ff888.2hwxaen0o30s6s5p.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/libsdl2-a07e5225aff0515e.rlib" "/opt/crater/target/debug/deps/librand-141925f062c0dce7.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-e33cfbd91a960014.rlib" "/opt/crater/target/debug/deps/libbitflags-df219a1ec24cdf3b.rlib" "/opt/crater/target/debug/deps/liblazy_static-098892872ee11058.rlib" "/opt/crater/target/debug/deps/liblibc-9a196cc44de2865b.rlib" "/opt/crater/target/debug/deps/libnum-74db0d30d61b2faa.rlib" "/opt/crater/target/debug/deps/libnum_iter-03f00b125bc5d767.rlib" "/opt/crater/target/debug/deps/libnum_integer-85ad82a7d101b1af.rlib" "/opt/crater/target/debug/deps/libnum_traits-8e9dd151ccd4e296.rlib" "/opt/crater/target/debug/deps/librbgame-5023c53c477ca1dc.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_ttf" "-lSDL2_image" "-lSDL2_mixer" "-lSDL2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stderr]           /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stderr]           /usr/bin/ld: cannot find -lSDL2_mixer
[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 `rbgame`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "be8682eb9c5050c300185aed92dc820ef031ecb0176314aafe79f9c13279580d"`
[INFO] running `"docker" "rm" "-f" "be8682eb9c5050c300185aed92dc820ef031ecb0176314aafe79f9c13279580d"`
[INFO] [stdout] be8682eb9c5050c300185aed92dc820ef031ecb0176314aafe79f9c13279580d