[INFO] updating cached repository kixelated/pokebot-crystal
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kixelated/pokebot-crystal
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kixelated/pokebot-crystal" "work/ex/beta-1.38-1/sources/1.37.0/gh/kixelated/pokebot-crystal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kixelated/pokebot-crystal'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kixelated/pokebot-crystal" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kixelated/pokebot-crystal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kixelated/pokebot-crystal'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f09a2222162fe71439c03dbb7987859f1126b2a3
[INFO] sha for GitHub repo kixelated/pokebot-crystal: f09a2222162fe71439c03dbb7987859f1126b2a3
[INFO] validating manifest of kixelated/pokebot-crystal on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kixelated/pokebot-crystal on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kixelated/pokebot-crystal
[INFO] finished frobbing kixelated/pokebot-crystal
[INFO] frobbed toml for kixelated/pokebot-crystal written to work/ex/beta-1.38-1/sources/1.37.0/gh/kixelated/pokebot-crystal/Cargo.toml
[INFO] started frobbing kixelated/pokebot-crystal
[INFO] finished frobbing kixelated/pokebot-crystal
[INFO] frobbed toml for kixelated/pokebot-crystal written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kixelated/pokebot-crystal/Cargo.toml
[INFO] crate kixelated/pokebot-crystal already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kixelated/pokebot-crystal against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kixelated/pokebot-crystal:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f7bb9251f7a89623fa0a0a66dfbef4249a389afac96543581f650808c567b996
[INFO] running `"docker" "start" "-a" "f7bb9251f7a89623fa0a0a66dfbef4249a389afac96543581f650808c567b996"`
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling pokebot-crystal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr] warning: unused variable: `audio`
[INFO] [stderr]   --> src/gfx.rs:36:51
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn present(&mut self, video: [u8; 92160], audio: [u8; 148704]) -> bool {
[INFO] [stderr]    |                                                   ^^^^^ help: consider prefixing with an underscore: `_audio`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `gambatte_work_ram`
[INFO] [stderr]   --> src/emulator.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn gambatte_work_ram(gb: *mut Gambatte, data: *mut *const u8, size: *mut libc::size_t);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `work_ram`
[INFO] [stderr]    --> src/emulator.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn work_ram(&self) -> &[u8] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.pokebot_crystal.4lningnb-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7" "/opt/crater/target/debug/deps/pokebot_crystal-3ad8cc8a1e7cd6d7.2kyi1fi5jfoc9se2.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "gambatte/libgambatte" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lgambatte" "-lstdc++" "-lz" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsdl2-e90ee273be79371f.rlib" "/opt/crater/target/debug/deps/librand-18051c63495de6e0.rlib" "/opt/crater/target/debug/deps/libc_vec-c46479f165841a49.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-0ab17b55f7a0f202.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/liblazy_static-412ea42650370eba.rlib" "/opt/crater/target/debug/deps/libnum-95161ef077004c27.rlib" "/opt/crater/target/debug/deps/libnum_iter-4385a720bce89133.rlib" "/opt/crater/target/debug/deps/libnum_integer-03e590edf1d4cc85.rlib" "/opt/crater/target/debug/deps/libnum_traits-50f4c0719bcfab71.rlib" "/opt/crater/target/debug/deps/liblibc-054db7c22c4db9fc.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lSDL2_gfx" "-lSDL2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lgambatte
[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 `pokebot-crystal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f7bb9251f7a89623fa0a0a66dfbef4249a389afac96543581f650808c567b996"`
[INFO] running `"docker" "rm" "-f" "f7bb9251f7a89623fa0a0a66dfbef4249a389afac96543581f650808c567b996"`
[INFO] [stdout] f7bb9251f7a89623fa0a0a66dfbef4249a389afac96543581f650808c567b996