[INFO] cloning repository https://github.com/quirinux/rust-chip-8 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quirinux/rust-chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-chip-8"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-chip-8'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c8aa195f586b6b582ed79d9bbf9925a67923b3a1 [INFO] testing quirinux/rust-chip-8 against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-chip-8" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/quirinux/rust-chip-8 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/quirinux/rust-chip-8 [INFO] finished tweaking git repo https://github.com/quirinux/rust-chip-8 [INFO] tweaked toml for git repo https://github.com/quirinux/rust-chip-8 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/quirinux/rust-chip-8 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b2394af65afd6b0ee6d0ec14264fb3e415951dd2ce1b38286b64db48ebf1a917 [INFO] running `"docker" "start" "-a" "b2394af65afd6b0ee6d0ec14264fb3e415951dd2ce1b38286b64db48ebf1a917"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling regex-syntax v0.6.11 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling claxon v0.4.2 [INFO] [stderr] Compiling c_vec v1.3.3 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling matrixmultiply v0.2.2 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling ogg v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling lewton v0.9.4 [INFO] [stderr] Compiling gl_generator v0.6.1 [INFO] [stderr] Compiling minimp3-sys v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling getrandom v0.1.8 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling slice-deque v0.2.4 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling cpal v0.8.2 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling minimp3 v0.3.3 [INFO] [stderr] Compiling gl v0.6.5 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling regex v1.2.1 [INFO] [stderr] Compiling alga v0.9.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling nalgebra v0.18.1 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling rodio v0.9.0 [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `SUBNVxVy` [INFO] [stderr] --> src/chip8/optcodes.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | SUBNVxVy(u16), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `JPV0Addr` [INFO] [stderr] --> src/chip8/optcodes.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | JPV0Addr(u16), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SCR` [INFO] [stderr] --> src/chip8/optcodes.rs:101:5 [INFO] [stderr] | [INFO] [stderr] 101 | SCR(u16), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SCL` [INFO] [stderr] --> src/chip8/optcodes.rs:102:5 [INFO] [stderr] | [INFO] [stderr] 102 | SCL(u16), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `EXIT` [INFO] [stderr] --> src/chip8/optcodes.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 103 | EXIT(u16), [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LOW` [INFO] [stderr] --> src/chip8/optcodes.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | LOW(u16), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `HIGH` [INFO] [stderr] --> src/chip8/optcodes.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | HIGH(u16), [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `DRWVxVy` [INFO] [stderr] --> src/chip8/optcodes.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | DRWVxVy(u16), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LDHFVx` [INFO] [stderr] --> src/chip8/optcodes.rs:107:5 [INFO] [stderr] | [INFO] [stderr] 107 | LDHFVx(u16), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LDRVx` [INFO] [stderr] --> src/chip8/optcodes.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | LDRVx(u16), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LVVxR` [INFO] [stderr] --> src/chip8/optcodes.rs:109:5 [INFO] [stderr] | [INFO] [stderr] 109 | LVVxR(u16), [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/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.chip8.ec3rhd5y-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0" "/opt/rustwide/target/debug/deps/chip8-4e0aba17aa8991e0.405qb0sbcrjvw63z.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/target/debug/build/minimp3-sys-44d833b1ea2c87ce/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librodio-e5b76f66c8b9f36c.rlib" "/opt/rustwide/target/debug/deps/libminimp3-1d404d85ce122efa.rlib" "/opt/rustwide/target/debug/deps/libslice_deque-13f34ff8d0882241.rlib" "/opt/rustwide/target/debug/deps/libminimp3_sys-7f5c56103d4f54c0.rlib" "/opt/rustwide/target/debug/deps/liblewton-dab0fd1d767e87bf.rlib" "/opt/rustwide/target/debug/deps/libogg-883b9f72220142c6.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-43702341e82bdadb.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f8593b3755ad6d95.rlib" "/opt/rustwide/target/debug/deps/libnalgebra-5d794a6fdaf80dd2.rlib" "/opt/rustwide/target/debug/deps/libalga-6ec8069b44520fc5.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-1ac41f1308b71a9c.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-180bfa215969d6d3.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-f423a24e4add1687.rlib" "/opt/rustwide/target/debug/deps/librawpointer-17d31d634d793217.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-ac92ba12fe754ef6.rlib" "/opt/rustwide/target/debug/deps/libtypenum-5a3b86744df5d546.rlib" "/opt/rustwide/target/debug/deps/libapprox-1d91aab51f12d966.rlib" "/opt/rustwide/target/debug/deps/libhound-3873cd5f4ab76afb.rlib" "/opt/rustwide/target/debug/deps/libcpal-9ff4f958fba682ef.rlib" "/opt/rustwide/target/debug/deps/libalsa_sys-05c689908b4e69bf.rlib" "/opt/rustwide/target/debug/deps/libclaxon-bab1d46fccae12e9.rlib" "/opt/rustwide/target/debug/deps/libsdl2-1083441f266515ff.rlib" "/opt/rustwide/target/debug/deps/librand-58d9c66afc45801b.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-76feb1be4b384d8c.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-8a0a1176fa505183.rlib" "/opt/rustwide/target/debug/deps/librand_hc-68dde4176773bfba.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-c37353112be43280.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-3afb46e714f27b23.rlib" "/opt/rustwide/target/debug/deps/librand_core-35d9152f59e9c107.rlib" "/opt/rustwide/target/debug/deps/librand_os-afa49c59eb8b0ae3.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-090e0608e0e97bb5.rlib" "/opt/rustwide/target/debug/deps/librand_core-fc3b85f002e2a6f9.rlib" "/opt/rustwide/target/debug/deps/libc_vec-e40145bf5084da89.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-54d060cf4fee938e.rlib" "/opt/rustwide/target/debug/deps/libnum-435d056c3ad2868e.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-ebc4106d933d1c80.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-6e517b93e2cd9d5b.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-7dd1ad4d9b1da490.rlib" "/opt/rustwide/target/debug/deps/libstructopt-d2ddaef454cb4f78.rlib" "/opt/rustwide/target/debug/deps/libclap-b8b6d328ff3fddf3.rlib" "/opt/rustwide/target/debug/deps/libvec_map-423d6945ab3c8d98.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-08646e7fb08683a5.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-218d914568033177.rlib" "/opt/rustwide/target/debug/deps/libstrsim-7ef4ee0940d816f7.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a5dbca2b31cd7d4c.rlib" "/opt/rustwide/target/debug/deps/libansi_term-5f50d48905eb9d7a.rlib" "/opt/rustwide/target/debug/deps/librand-83feff7a28aee049.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-266bb4656414d139.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-b9a294c8e91af9ed.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-21448f6243ece856.rlib" "/opt/rustwide/target/debug/deps/librand_core-110235c7abdfa43b.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-dbda89f189748eaf.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-8b8d4c350b8bed56.rlib" "/opt/rustwide/target/debug/deps/libregex-6e68fd090fc2eccd.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-4509e0a2706f2687.rlib" "/opt/rustwide/target/debug/deps/libthread_local-e0240bd899ac6593.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6d2e4566366293b5.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-c9892d440ef1e534.rlib" "/opt/rustwide/target/debug/deps/libmemchr-8ebbf693845177be.rlib" "/opt/rustwide/target/debug/deps/libatty-4b1953a41f011690.rlib" "/opt/rustwide/target/debug/deps/liblibc-414b63aee421db4f.rlib" "/opt/rustwide/target/debug/deps/libhumantime-5c254fe4d7c8974a.rlib" "/opt/rustwide/target/debug/deps/libquick_error-2afd757fe3e8b845.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-57b2b0a051b35877.rlib" "/opt/rustwide/target/debug/deps/liblog-94b4beb63db1bec1.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-1bfa4eb209c6e5e2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lasound" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-lSDL2_ttf" "-lSDL2_gfx" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lSDL2_mixer [INFO] [stderr] /usr/bin/ld: cannot find -lSDL2_image [INFO] [stderr] /usr/bin/ld: cannot find -lSDL2_ttf [INFO] [stderr] /usr/bin/ld: cannot find -lSDL2_gfx [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 11 warnings emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `chip8`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b2394af65afd6b0ee6d0ec14264fb3e415951dd2ce1b38286b64db48ebf1a917"` [INFO] running `"docker" "rm" "-f" "b2394af65afd6b0ee6d0ec14264fb3e415951dd2ce1b38286b64db48ebf1a917"` [INFO] [stdout] b2394af65afd6b0ee6d0ec14264fb3e415951dd2ce1b38286b64db48ebf1a917