[INFO] updating cached repository https://github.com/mahimahi42/chip8
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ddcc343350edc312dd72c7f281d208571307a1ae
[INFO] testing mahimahi42/chip8 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahimahi42%2Fchip8" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mahimahi42/chip8 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mahimahi42/chip8
[INFO] finished tweaking git repo https://github.com/mahimahi42/chip8
[INFO] tweaked toml for git repo https://github.com/mahimahi42/chip8 written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mahimahi42/chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d4541ec2ceaa6c6efb598625481c6482d48267cce5ea0b328f9c46a40fe5d4c8
[INFO] running `"docker" "start" "-a" "d4541ec2ceaa6c6efb598625481c6482d48267cce5ea0b328f9c46a40fe5d4c8"`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]    --> src/chip8cpu.rs:291:30
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn opcode_0xE(&mut self, opcode: Opcode) {
[INFO] [stderr]     |                              ^^^^^^ help: consider prefixing with an underscore: `_opcode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `opcode_0xE`
[INFO] [stderr]    --> src/chip8cpu.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn opcode_0xE(&mut self, opcode: Opcode) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` 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/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.chip8.d7dvmgno-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100" "/opt/rustwide/target/debug/deps/chip8-83263c6add5ec100.2qqi2nm9jwsbiypg.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-7f5b9476df1dfa62.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-c836e8f99912e191.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-9e5263143f7db951.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-d54865a9b3bbab16.rlib" "/opt/rustwide/target/debug/deps/librand_core-55cb9b2eb2cc27ac.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-182611c1a5097551.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-32eaf08e5545e331.rlib" "/opt/rustwide/target/debug/deps/libsdl2-b6076bf32c9ee9aa.rlib" "/opt/rustwide/target/debug/deps/librand-b07697e9a82593c8.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-788e08e4e9b857db.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-1df57466ddde5c64.rlib" "/opt/rustwide/target/debug/deps/librand_hc-a413bb2c7ba70585.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-ddd26dd3da121733.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4874caa1590f70f4.rlib" "/opt/rustwide/target/debug/deps/librand_core-92c2f35314396599.rlib" "/opt/rustwide/target/debug/deps/librand_os-acba779968543c42.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-378cddb3053a68b1.rlib" "/opt/rustwide/target/debug/deps/librand_core-bcfcf7c2a1d9c9e3.rlib" "/opt/rustwide/target/debug/deps/libc_vec-a4eada21ea8ca992.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-4b53b36382ab07bb.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-806f5cf8273b470a.rlib" "/opt/rustwide/target/debug/deps/libnum-3b9a4da33ffb04c3.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-4ccfc870dfdce77e.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-14f7e1ce2e5e26b6.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-5f9115910b2759dc.rlib" "/opt/rustwide/target/debug/deps/libclap-3a4a0a96ab991586.rlib" "/opt/rustwide/target/debug/deps/libvec_map-430eebd9ad766441.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-65372d3cb10ebe90.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-efcaf7621463ca26.rlib" "/opt/rustwide/target/debug/deps/libstrsim-9ecff6948862203f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-db99416e3bf58e66.rlib" "/opt/rustwide/target/debug/deps/libatty-d90926ced75c6d61.rlib" "/opt/rustwide/target/debug/deps/liblibc-2cfee3f65a24efe2.rlib" "/opt/rustwide/target/debug/deps/libansi_term-96d819b388a7bd02.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_gfx" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /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
[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" "d4541ec2ceaa6c6efb598625481c6482d48267cce5ea0b328f9c46a40fe5d4c8"`
[INFO] running `"docker" "rm" "-f" "d4541ec2ceaa6c6efb598625481c6482d48267cce5ea0b328f9c46a40fe5d4c8"`
[INFO] [stdout] d4541ec2ceaa6c6efb598625481c6482d48267cce5ea0b328f9c46a40fe5d4c8