[INFO] cloning repository https://github.com/loicbacciga/chip-8-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loicbacciga/chip-8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floicbacciga%2Fchip-8-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floicbacciga%2Fchip-8-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1337f5992adfe5644f87be2b72d75b544ae92d2b
[INFO] testing loicbacciga/chip-8-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floicbacciga%2Fchip-8-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loicbacciga/chip-8-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/loicbacciga/chip-8-rust
[INFO] finished tweaking git repo https://github.com/loicbacciga/chip-8-rust
[INFO] tweaked toml for git repo https://github.com/loicbacciga/chip-8-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/loicbacciga/chip-8-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f16d4fbfca30c9f4915d64ee8ab21da637e92aedf19c898aaf263ce1d5e57ba1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f16d4fbfca30c9f4915d64ee8ab21da637e92aedf19c898aaf263ce1d5e57ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f16d4fbfca30c9f4915d64ee8ab21da637e92aedf19c898aaf263ce1d5e57ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16d4fbfca30c9f4915d64ee8ab21da637e92aedf19c898aaf263ce1d5e57ba1", kill_on_drop: false }`
[INFO] [stdout] f16d4fbfca30c9f4915d64ee8ab21da637e92aedf19c898aaf263ce1d5e57ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc6f4026b7d3c63b1b552bb6a90c3f12e68ffc2eb0b3772e91d104af80eaec7d
[INFO] running `Command { std: "docker" "start" "-a" "dc6f4026b7d3c63b1b552bb6a90c3f12e68ffc2eb0b3772e91d104af80eaec7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling chip-8-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/emu/console.rs:222:27
[INFO] [stdout]     |
[INFO] [stdout] 222 |             Instr::SHR(x, y) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/emu/console.rs:242:27
[INFO] [stdout]     |
[INFO] [stdout] 242 |             Instr::SHL(x, y) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/emu/console.rs:260:24
[INFO] [stdout]     |
[INFO] [stdout] 260 |             Instr::JPV(x, nnn) => {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_memory`
[INFO] [stdout]    --> src/emu/console.rs:410:12
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn print_memory(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "dc6f4026b7d3c63b1b552bb6a90c3f12e68ffc2eb0b3772e91d104af80eaec7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6f4026b7d3c63b1b552bb6a90c3f12e68ffc2eb0b3772e91d104af80eaec7d", kill_on_drop: false }`
[INFO] [stdout] dc6f4026b7d3c63b1b552bb6a90c3f12e68ffc2eb0b3772e91d104af80eaec7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c5e5d11cd46230440dec158689238c523c72a76f1808335279f0a342aeeeeaa
[INFO] running `Command { std: "docker" "start" "-a" "4c5e5d11cd46230440dec158689238c523c72a76f1808335279f0a342aeeeeaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-8-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/emu/console.rs:222:27
[INFO] [stdout]     |
[INFO] [stdout] 222 |             Instr::SHR(x, y) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/emu/console.rs:242:27
[INFO] [stdout]     |
[INFO] [stdout] 242 |             Instr::SHL(x, y) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/emu/console.rs:260:24
[INFO] [stdout]     |
[INFO] [stdout] 260 |             Instr::JPV(x, nnn) => {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_memory`
[INFO] [stdout]    --> src/emu/console.rs:410:12
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn print_memory(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "4c5e5d11cd46230440dec158689238c523c72a76f1808335279f0a342aeeeeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5e5d11cd46230440dec158689238c523c72a76f1808335279f0a342aeeeeaa", kill_on_drop: false }`
[INFO] [stdout] 4c5e5d11cd46230440dec158689238c523c72a76f1808335279f0a342aeeeeaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9d0a5f36c7c2b54f832910ebaedb1293196743bc34157f10f31427a6a0d0dda
[INFO] running `Command { std: "docker" "start" "-a" "b9d0a5f36c7c2b54f832910ebaedb1293196743bc34157f10f31427a6a0d0dda", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/emu/console.rs:222:27
[INFO] [stderr]     |
[INFO] [stderr] 222 |             Instr::SHR(x, y) => {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/emu/console.rs:242:27
[INFO] [stderr]     |
[INFO] [stderr] 242 |             Instr::SHL(x, y) => {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/emu/console.rs:260:24
[INFO] [stderr]     |
[INFO] [stderr] 260 |             Instr::JPV(x, nnn) => {
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_memory`
[INFO] [stderr]    --> src/emu/console.rs:410:12
[INFO] [stderr]     |
[INFO] [stderr] 410 |     pub fn print_memory(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chip-8-rust` (bin "chip-8-rust" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip_8_rust-fe60f5bc7300d78b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9d0a5f36c7c2b54f832910ebaedb1293196743bc34157f10f31427a6a0d0dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d0a5f36c7c2b54f832910ebaedb1293196743bc34157f10f31427a6a0d0dda", kill_on_drop: false }`
[INFO] [stdout] b9d0a5f36c7c2b54f832910ebaedb1293196743bc34157f10f31427a6a0d0dda