[INFO] cloning repository https://github.com/jmg-duarte/c8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmg-duarte/c8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg-duarte%2Fc8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg-duarte%2Fc8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75c183636d291a3fbd35924ac516618883dba5f5 [INFO] testing jmg-duarte/c8 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg-duarte%2Fc8" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jmg-duarte/c8 [INFO] finished tweaking git repo https://github.com/jmg-duarte/c8 [INFO] tweaked toml for git repo https://github.com/jmg-duarte/c8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jmg-duarte/c8 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jmg-duarte/c8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6ca0ff099a138d8daf5e4fe71677edddb792b55c63831824c30243c03464c20 [INFO] running `Command { std: "docker" "start" "-a" "f6ca0ff099a138d8daf5e4fe71677edddb792b55c63831824c30243c03464c20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6ca0ff099a138d8daf5e4fe71677edddb792b55c63831824c30243c03464c20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6ca0ff099a138d8daf5e4fe71677edddb792b55c63831824c30243c03464c20", kill_on_drop: false }` [INFO] [stdout] f6ca0ff099a138d8daf5e4fe71677edddb792b55c63831824c30243c03464c20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 0632f4ef0accaef89f6dd1c156dffc11f306d6703e42692519fe969da1913317 [INFO] running `Command { std: "docker" "start" "-a" "0632f4ef0accaef89f6dd1c156dffc11f306d6703e42692519fe969da1913317", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling chip-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/chip8/cpu.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | for addr in start..end { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:214:24 [INFO] [stdout] | [INFO] [stdout] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y_idx` [INFO] [stdout] --> src/chip8/cpu.rs:214:35 [INFO] [stdout] | [INFO] [stdout] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_y_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:223:36 [INFO] [stdout] | [INFO] [stdout] 223 | fn skip_key_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:228:40 [INFO] [stdout] | [INFO] [stdout] 228 | fn skip_key_not_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:238:33 [INFO] [stdout] | [INFO] [stdout] 238 | fn wait_keypress(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:258:31 [INFO] [stdout] | [INFO] [stdout] 258 | fn set_i_digit(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:263:29 [INFO] [stdout] | [INFO] [stdout] 263 | fn store_bcd(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `N_VREGISTERS` is never used [INFO] [stdout] --> src/chip8/cpu.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const N_VREGISTERS: usize = 16; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `STACK_SIZE` is never used [INFO] [stdout] --> src/chip8/cpu.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const STACK_SIZE: usize = 16; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `VF` is never used [INFO] [stdout] --> src/chip8/cpu.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const VF: usize = 0xF; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `V0` is never used [INFO] [stdout] --> src/chip8/cpu.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const V0: usize = 0x0; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CPU` is never constructed [INFO] [stdout] --> src/chip8/cpu.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct CPU { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/chip8/cpu.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl CPU { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn ret_subroutine(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn jmp_addr(&mut self, addr: u16) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | fn call_subroutine(&mut self, addr: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | fn skip_eq_value(&mut self, x_idx: u8, value: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | fn skip_neq_value(&mut self, x_idx: u8, value: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn skip_eq_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn set_x_value(&mut self, x_idx: u8, value: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn add_x_value(&mut self, x_idx: u8, value: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn store_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | fn or_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | fn and_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn xor_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | fn add_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 144 | fn sub_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 157 | fn shr_x(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | fn subn_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn shl_x(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 187 | fn skip_neq_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 194 | fn set_i(&mut self, addr: u16) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | fn jmp_addr_offset(&mut self, addr: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 208 | fn rnd_and(&mut self, x_idx: u8, value: u8) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 223 | fn skip_key_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 228 | fn skip_key_not_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 233 | fn read_delay_timer(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 238 | fn wait_keypress(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 243 | fn set_delay_timer(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 248 | fn set_sound_timer(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 253 | fn add_i(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 258 | fn set_i_digit(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 263 | fn store_bcd(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 270 | fn store_registers(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 279 | fn read_registers(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 285 | fn cycle(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RAM` is never constructed [INFO] [stdout] --> src/chip8/ram.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct RAM { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `read`, and `write` are never used [INFO] [stdout] --> src/chip8/ram.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl RAM { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 6 | /// Create a new RAM instance. [INFO] [stdout] 7 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn read(&self, addr: usize) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn write(&mut self, addr: usize, value: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s [INFO] running `Command { std: "docker" "inspect" "0632f4ef0accaef89f6dd1c156dffc11f306d6703e42692519fe969da1913317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0632f4ef0accaef89f6dd1c156dffc11f306d6703e42692519fe969da1913317", kill_on_drop: false }` [INFO] [stdout] 0632f4ef0accaef89f6dd1c156dffc11f306d6703e42692519fe969da1913317 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c5744ec655f04a14e8f8ed48715409835208b73c4ceea9f5dbe9862cf80af84d [INFO] running `Command { std: "docker" "start" "-a" "c5744ec655f04a14e8f8ed48715409835208b73c4ceea9f5dbe9862cf80af84d", kill_on_drop: false }` [INFO] [stderr] Compiling chip-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/chip8/cpu.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | for addr in start..end { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:214:24 [INFO] [stdout] | [INFO] [stdout] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y_idx` [INFO] [stdout] --> src/chip8/cpu.rs:214:35 [INFO] [stdout] | [INFO] [stdout] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_y_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:223:36 [INFO] [stdout] | [INFO] [stdout] 223 | fn skip_key_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:228:40 [INFO] [stdout] | [INFO] [stdout] 228 | fn skip_key_not_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:238:33 [INFO] [stdout] | [INFO] [stdout] 238 | fn wait_keypress(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:258:31 [INFO] [stdout] | [INFO] [stdout] 258 | fn set_i_digit(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_idx` [INFO] [stdout] --> src/chip8/cpu.rs:263:29 [INFO] [stdout] | [INFO] [stdout] 263 | fn store_bcd(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `V0` is never used [INFO] [stdout] --> src/chip8/cpu.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const V0: usize = 0x0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `i_reg`, `delay_timer`, `sound_timer`, `rng`, and `ram` are never read [INFO] [stdout] --> src/chip8/cpu.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct CPU { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 12 | i_reg: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 13 | delay_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 14 | sound_timer: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | rng: ThreadRng, [INFO] [stdout] | ^^^ [INFO] [stdout] 18 | ram: ram::RAM, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/chip8/cpu.rs:144:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl CPU { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 144 | fn sub_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 157 | fn shr_x(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | fn subn_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 179 | fn shl_x(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 194 | fn set_i(&mut self, addr: u16) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 201 | fn jmp_addr_offset(&mut self, addr: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 208 | fn rnd_and(&mut self, x_idx: u8, value: u8) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 223 | fn skip_key_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 228 | fn skip_key_not_pressed(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 233 | fn read_delay_timer(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 238 | fn wait_keypress(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 243 | fn set_delay_timer(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 248 | fn set_sound_timer(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 253 | fn add_i(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 258 | fn set_i_digit(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 263 | fn store_bcd(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 270 | fn store_registers(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 279 | fn read_registers(&mut self, x_idx: u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 285 | fn cycle(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `memory` is never read [INFO] [stdout] --> src/chip8/ram.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct RAM { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 2 | memory: [u8; 4096], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read` and `write` are never used [INFO] [stdout] --> src/chip8/ram.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl RAM { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn read(&self, addr: usize) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn write(&mut self, addr: usize, value: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "c5744ec655f04a14e8f8ed48715409835208b73c4ceea9f5dbe9862cf80af84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5744ec655f04a14e8f8ed48715409835208b73c4ceea9f5dbe9862cf80af84d", kill_on_drop: false }` [INFO] [stdout] c5744ec655f04a14e8f8ed48715409835208b73c4ceea9f5dbe9862cf80af84d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9a70b31d3417f4d0a5a9c53e9cdbf592243355215804494b6b8aef349f93f45b [INFO] running `Command { std: "docker" "start" "-a" "9a70b31d3417f4d0a5a9c53e9cdbf592243355215804494b6b8aef349f93f45b", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/chip8/cpu.rs:217:13 [INFO] [stderr] | [INFO] [stderr] 217 | for addr in start..end { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_idx` [INFO] [stderr] --> src/chip8/cpu.rs:214:24 [INFO] [stderr] | [INFO] [stderr] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y_idx` [INFO] [stderr] --> src/chip8/cpu.rs:214:35 [INFO] [stderr] | [INFO] [stderr] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_y_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_idx` [INFO] [stderr] --> src/chip8/cpu.rs:223:36 [INFO] [stderr] | [INFO] [stderr] 223 | fn skip_key_pressed(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_idx` [INFO] [stderr] --> src/chip8/cpu.rs:228:40 [INFO] [stderr] | [INFO] [stderr] 228 | fn skip_key_not_pressed(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_idx` [INFO] [stderr] --> src/chip8/cpu.rs:238:33 [INFO] [stderr] | [INFO] [stderr] 238 | fn wait_keypress(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_idx` [INFO] [stderr] --> src/chip8/cpu.rs:258:31 [INFO] [stderr] | [INFO] [stderr] 258 | fn set_i_digit(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_idx` [INFO] [stderr] --> src/chip8/cpu.rs:263:29 [INFO] [stderr] | [INFO] [stderr] 263 | fn store_bcd(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_idx` [INFO] [stderr] [INFO] [stderr] warning: constant `V0` is never used [INFO] [stderr] --> src/chip8/cpu.rs:7:7 [INFO] [stderr] | [INFO] [stderr] 7 | const V0: usize = 0x0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `i_reg`, `delay_timer`, `sound_timer`, `rng`, and `ram` are never read [INFO] [stderr] --> src/chip8/cpu.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct CPU { [INFO] [stderr] | --- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 12 | i_reg: u16, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 13 | delay_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 14 | sound_timer: u8, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 17 | rng: ThreadRng, [INFO] [stderr] | ^^^ [INFO] [stderr] 18 | ram: ram::RAM, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple methods are never used [INFO] [stderr] --> src/chip8/cpu.rs:144:8 [INFO] [stderr] | [INFO] [stderr] 21 | impl CPU { [INFO] [stderr] | -------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 144 | fn sub_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 157 | fn shr_x(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 166 | fn subn_xy(&mut self, x_idx: u8, y_idx: u8) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 179 | fn shl_x(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 194 | fn set_i(&mut self, addr: u16) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 201 | fn jmp_addr_offset(&mut self, addr: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 208 | fn rnd_and(&mut self, x_idx: u8, value: u8) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 214 | fn draw(&mut self, x_idx: u8, y_idx: u8, n: u8) { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 223 | fn skip_key_pressed(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 228 | fn skip_key_not_pressed(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 233 | fn read_delay_timer(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 238 | fn wait_keypress(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 243 | fn set_delay_timer(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 248 | fn set_sound_timer(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 253 | fn add_i(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 258 | fn set_i_digit(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 263 | fn store_bcd(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 270 | fn store_registers(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 279 | fn read_registers(&mut self, x_idx: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 285 | fn cycle(&mut self, opcode: u16) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `memory` is never read [INFO] [stderr] --> src/chip8/ram.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct RAM { [INFO] [stderr] | --- field in this struct [INFO] [stderr] 2 | memory: [u8; 4096], [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `read` and `write` are never used [INFO] [stderr] --> src/chip8/ram.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 5 | impl RAM { [INFO] [stderr] | -------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 12 | pub fn read(&self, addr: usize) -> u8 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 18 | pub fn write(&mut self, addr: usize, value: u8) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `chip-8` (bin "chip-8" test) generated 13 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chip_8-ab22148b54217d28) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test chip8::cpu::cpu_tests::add_registers ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::and_registers ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::call_subroutine ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::jump_to_address ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::or_registers ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::return_subroutine ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::set_store_register ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::skip_if_register_eq_value ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::skip_if_register_eq_xy ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::skip_if_register_neq_value ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::skip_if_register_neq_xy ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::add_value_to_register ... ok [INFO] [stdout] test chip8::cpu::cpu_tests::xor_registers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9a70b31d3417f4d0a5a9c53e9cdbf592243355215804494b6b8aef349f93f45b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a70b31d3417f4d0a5a9c53e9cdbf592243355215804494b6b8aef349f93f45b", kill_on_drop: false }` [INFO] [stdout] 9a70b31d3417f4d0a5a9c53e9cdbf592243355215804494b6b8aef349f93f45b