[INFO] cloning repository https://github.com/eric556/chip-8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eric556/chip-8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric556%2Fchip-8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric556%2Fchip-8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfb377b5db047c077680e49088d36b50a6445ee7
[INFO] testing eric556/chip-8-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric556%2Fchip-8-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eric556/chip-8-rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eric556/chip-8-rs
[INFO] finished tweaking git repo https://github.com/eric556/chip-8-rs
[INFO] tweaked toml for git repo https://github.com/eric556/chip-8-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/eric556/chip-8-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] cd979ddc88ee44ccca3a82e8d41bc29c71a32b121bfeae23b7fdbdf0c5e013e7
[INFO] running `Command { std: "docker" "start" "-a" "cd979ddc88ee44ccca3a82e8d41bc29c71a32b121bfeae23b7fdbdf0c5e013e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd979ddc88ee44ccca3a82e8d41bc29c71a32b121bfeae23b7fdbdf0c5e013e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd979ddc88ee44ccca3a82e8d41bc29c71a32b121bfeae23b7fdbdf0c5e013e7", kill_on_drop: false }`
[INFO] [stdout] cd979ddc88ee44ccca3a82e8d41bc29c71a32b121bfeae23b7fdbdf0c5e013e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3f3e0dfe38efcde9b73688ca65c350b424e65c991c9f5c17c744666a8fb6974
[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" "f3f3e0dfe38efcde9b73688ca65c350b424e65c991c9f5c17c744666a8fb6974", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfml-build v0.2.0
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling csfml-system-sys v0.4.0
[INFO] [stderr]    Compiling csfml-window-sys v0.4.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.4.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling sfml v0.14.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sfml::system::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sfml::system::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:160:62
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn skip_immediate(&mut self, x: usize, byte: u16, comp: &Fn(u16, u16) -> bool) {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u16, u16) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:168:60
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn skip_register(&mut self, x: usize, y: usize, comp: &Fn(u8, u8) -> bool) {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:176:58
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn op_immediate(&mut self, x: usize, byte: u16, op: &Fn(u8, u8) -> u8) {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:181:56
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn op_register(&mut self, x: usize, y: usize, op: &Fn(u8, u8) -> u8) {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:186:62
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn op_register_carry(&mut self, x: usize, y: usize, op: &Fn(u16, u16) -> (u8, u16)) {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u16, u16) -> (u8, u16)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]    --> src/main.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn dump(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `chip8_fontset` should have an upper case name
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static chip8_fontset: [u8; 80] = [
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to upper case: `CHIP8_FONTSET`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `FromBig` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn FromBig(other: T) -> Self;
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `from_big`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:502:5
[INFO] [stdout]     |
[INFO] [stdout] 502 |     file.unwrap().read_to_end(&mut rom);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `Command { std: "docker" "inspect" "f3f3e0dfe38efcde9b73688ca65c350b424e65c991c9f5c17c744666a8fb6974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f3e0dfe38efcde9b73688ca65c350b424e65c991c9f5c17c744666a8fb6974", kill_on_drop: false }`
[INFO] [stdout] f3f3e0dfe38efcde9b73688ca65c350b424e65c991c9f5c17c744666a8fb6974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66d1c2716a7f6b58c2d0f2cb6a346848b4beadbc229e7f81a3d051cd33640d95
[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" "66d1c2716a7f6b58c2d0f2cb6a346848b4beadbc229e7f81a3d051cd33640d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sfml::system::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sfml::system::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:160:62
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn skip_immediate(&mut self, x: usize, byte: u16, comp: &Fn(u16, u16) -> bool) {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u16, u16) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:168:60
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn skip_register(&mut self, x: usize, y: usize, comp: &Fn(u8, u8) -> bool) {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:176:58
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn op_immediate(&mut self, x: usize, byte: u16, op: &Fn(u8, u8) -> u8) {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:181:56
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn op_register(&mut self, x: usize, y: usize, op: &Fn(u8, u8) -> u8) {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:186:62
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn op_register_carry(&mut self, x: usize, y: usize, op: &Fn(u16, u16) -> (u8, u16)) {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u16, u16) -> (u8, u16)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]    --> src/main.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn dump(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `chip8_fontset` should have an upper case name
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static chip8_fontset: [u8; 80] = [
[INFO] [stdout]    |        ^^^^^^^^^^^^^ help: convert the identifier to upper case: `CHIP8_FONTSET`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `FromBig` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn FromBig(other: T) -> Self;
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `from_big`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:502:5
[INFO] [stdout]     |
[INFO] [stdout] 502 |     file.unwrap().read_to_end(&mut rom);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "66d1c2716a7f6b58c2d0f2cb6a346848b4beadbc229e7f81a3d051cd33640d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d1c2716a7f6b58c2d0f2cb6a346848b4beadbc229e7f81a3d051cd33640d95", kill_on_drop: false }`
[INFO] [stdout] 66d1c2716a7f6b58c2d0f2cb6a346848b4beadbc229e7f81a3d051cd33640d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4e0324125c841c719db5c11c597712d88d921cf1093237f7961017d0be30eb4
[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" "e4e0324125c841c719db5c11c597712d88d921cf1093237f7961017d0be30eb4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `sfml::system::*`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 5 | use sfml::system::*;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:160:62
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn skip_immediate(&mut self, x: usize, byte: u16, comp: &Fn(u16, u16) -> bool) {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u16, u16) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:60
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn skip_register(&mut self, x: usize, y: usize, comp: &Fn(u8, u8) -> bool) {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:176:58
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn op_immediate(&mut self, x: usize, byte: u16, op: &Fn(u8, u8) -> u8) {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> u8`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:181:56
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn op_register(&mut self, x: usize, y: usize, op: &Fn(u8, u8) -> u8) {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8, u8) -> u8`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:186:62
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn op_register_carry(&mut self, x: usize, y: usize, op: &Fn(u16, u16) -> (u8, u16)) {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u16, u16) -> (u8, u16)`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]    --> src/main.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn dump(&self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `chip8_fontset` should have an upper case name
[INFO] [stderr]   --> src/main.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | static chip8_fontset: [u8; 80] = [
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: convert the identifier to upper case: `CHIP8_FONTSET`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `FromBig` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn FromBig(other: T) -> Self;
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `from_big`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:502:5
[INFO] [stderr]     |
[INFO] [stderr] 502 |     file.unwrap().read_to_end(&mut rom);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip_8-0b898e203c4e51d4
[INFO] running `Command { std: "docker" "inspect" "e4e0324125c841c719db5c11c597712d88d921cf1093237f7961017d0be30eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e0324125c841c719db5c11c597712d88d921cf1093237f7961017d0be30eb4", kill_on_drop: false }`
[INFO] [stdout] e4e0324125c841c719db5c11c597712d88d921cf1093237f7961017d0be30eb4