[INFO] cloning repository https://github.com/magey3/chip8-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magey3/chip8-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagey3%2Fchip8-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagey3%2Fchip8-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c72a24b49c8e9c714e60e196f797ed71b3e5bcc
[INFO] testing magey3/chip8-emu against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagey3%2Fchip8-emu" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magey3/chip8-emu on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magey3/chip8-emu
[INFO] finished tweaking git repo https://github.com/magey3/chip8-emu
[INFO] tweaked toml for git repo https://github.com/magey3/chip8-emu written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/magey3/chip8-emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62aa8d2ab51fc223d527c87c953fe1c4a028028913d6c7f00db634b55a2421fd
[INFO] running `Command { std: "docker" "start" "-a" "62aa8d2ab51fc223d527c87c953fe1c4a028028913d6c7f00db634b55a2421fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62aa8d2ab51fc223d527c87c953fe1c4a028028913d6c7f00db634b55a2421fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62aa8d2ab51fc223d527c87c953fe1c4a028028913d6c7f00db634b55a2421fd", kill_on_drop: false }`
[INFO] [stdout] 62aa8d2ab51fc223d527c87c953fe1c4a028028913d6c7f00db634b55a2421fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815e19c4ae6f3ac257e5d23a6f1e21180a86928aa4accf67998fd1a6afd33da9
[INFO] running `Command { std: "docker" "start" "-a" "815e19c4ae6f3ac257e5d23a6f1e21180a86928aa4accf67998fd1a6afd33da9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling chip8-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VideoSubsystem`
[INFO] [stdout]  --> src/graphics.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::{self, VideoSubsystem};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::Display`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use graphics::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/execute.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout] 204 |         _ => panic!("Unsupported opcode at {:#x}", state.program_counter),
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/execute.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |         OpCode::CallMCodeSubroutine(n) => {
[INFO] [stdout]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/execute.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         OpCode::SkipNextIfKeyPressed(key) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/execute.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |         OpCode::SkipNextIfNotPressed(key) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/execute.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |         OpCode::GetKey(vx) => {
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/execute.rs:182:36
[INFO] [stdout]     |
[INFO] [stdout] 182 |         OpCode::SetIndexToSpriteLocation(vx) => {
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.chip8_emu.a288341f-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4.42w4sg6obnhvyqn4.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-d62c341106759687.rlib" "/opt/rustwide/target/debug/deps/libc_vec-1cbd7a9e8a59e235.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-9b7381028aadc080.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib" "/opt/rustwide/target/debug/deps/librand-013925011447254c.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-bbf10e9541e4a0f4.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-4b4e10d54e032e24.rlib" "/opt/rustwide/target/debug/deps/librand_core-24522195de7a3a34.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-c6f0fbf05ac67e3b.rlib" "/opt/rustwide/target/debug/deps/liblibc-c6a9b47bae0a3f44.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-97437e183f3ae6e4.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_gfx" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/chip8_emu-e4d8b97a15a6eaa4" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8-emu` due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "815e19c4ae6f3ac257e5d23a6f1e21180a86928aa4accf67998fd1a6afd33da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815e19c4ae6f3ac257e5d23a6f1e21180a86928aa4accf67998fd1a6afd33da9", kill_on_drop: false }`
[INFO] [stdout] 815e19c4ae6f3ac257e5d23a6f1e21180a86928aa4accf67998fd1a6afd33da9