[INFO] cloning repository https://github.com/quelledanielle/rusty_chip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quelledanielle/rusty_chip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquelledanielle%2Frusty_chip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquelledanielle%2Frusty_chip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e597442290fcfdc90891e2997ee1a0c0c3415f
[INFO] checking quelledanielle/rusty_chip against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquelledanielle%2Frusty_chip" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/quelledanielle/rusty_chip
[INFO] finished tweaking git repo https://github.com/quelledanielle/rusty_chip
[INFO] tweaked toml for git repo https://github.com/quelledanielle/rusty_chip written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quelledanielle/rusty_chip on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/quelledanielle/rusty_chip 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded libc v0.2.37
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb86a17d6f71263a6593a30cea52e0d24f87132457646f008aead6dbcd5325f
[INFO] running `Command { std: "docker" "start" "-a" "5eb86a17d6f71263a6593a30cea52e0d24f87132457646f008aead6dbcd5325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb86a17d6f71263a6593a30cea52e0d24f87132457646f008aead6dbcd5325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb86a17d6f71263a6593a30cea52e0d24f87132457646f008aead6dbcd5325f", kill_on_drop: false }`
[INFO] [stdout] 5eb86a17d6f71263a6593a30cea52e0d24f87132457646f008aead6dbcd5325f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e76b35fb0da84508e1330288ab6fe68b361b698384133acc7fbe5e07c660e8
[INFO] running `Command { std: "docker" "start" "-a" "48e76b35fb0da84508e1330288ab6fe68b361b698384133acc7fbe5e07c660e8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rusty_chip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn no_op(&mut self, &Opcode);
[INFO] [stdout]   |                         ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn unknown(&mut self, &Opcode);
[INFO] [stdout]   |                           ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn clear_display(&mut self, &Opcode);
[INFO] [stdout]   |                                 ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn return_from_subroutine(&mut self, &Opcode);
[INFO] [stdout]   |                                          ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn jump_addr(&mut self, &Opcode);
[INFO] [stdout]   |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn call_addr(&mut self, &Opcode);
[INFO] [stdout]   |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn skip_equal_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn skip_not_equal_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                          ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn skip_equal_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn load_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn add_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn load_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn or_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn and_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn xor_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn sub_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn shr_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn subn_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn shl_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn skip_not_equal_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn load_i_addr(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn jump_v0_addr(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn rand_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn draw_vx_vy_n(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn skip_key_pressed_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn skip_key_not_pressed_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                           ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn load_vx_dt(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn load_vx_key(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn load_dt_vx(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn load_st_vx(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn add_i_vx(&mut self, &Opcode);
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn load_i_vx_font(&mut self, &Opcode);
[INFO] [stdout]    |                                  ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn load_bcd_vx(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn load_through_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                   ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn read_through_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                   ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_pixel(&self, Address, Address) -> bool;
[INFO] [stdout]    |                          ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_pixel(&self, Address, Address) -> bool;
[INFO] [stdout]    |                                   ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_pixel(&mut self, Address, Address, bool) -> bool;
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_pixel(&mut self, Address, Address, bool) -> bool;
[INFO] [stdout]    |                                         ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_pixel(&mut self, Address, Address, bool) -> bool;
[INFO] [stdout]    |                                                  ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/output/sound.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn beep(&self, bool);
[INFO] [stdout]   |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn no_op(&mut self, &Opcode);
[INFO] [stdout]   |                         ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn unknown(&mut self, &Opcode);
[INFO] [stdout]   |                           ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn clear_display(&mut self, &Opcode);
[INFO] [stdout]   |                                 ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn return_from_subroutine(&mut self, &Opcode);
[INFO] [stdout]   |                                          ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn jump_addr(&mut self, &Opcode);
[INFO] [stdout]   |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/cpu/ops.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn call_addr(&mut self, &Opcode);
[INFO] [stdout]   |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn skip_equal_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn skip_not_equal_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                          ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn skip_equal_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                                    ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn load_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn add_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn load_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn or_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn and_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn xor_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn sub_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn shr_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn subn_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn shl_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn skip_not_equal_vx_vy(&mut self, &Opcode);
[INFO] [stdout]    |                                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn load_i_addr(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn jump_v0_addr(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn rand_vx_byte(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn draw_vx_vy_n(&mut self, &Opcode);
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn skip_key_pressed_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn skip_key_not_pressed_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                           ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn load_vx_dt(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn load_vx_key(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn load_dt_vx(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn load_st_vx(&mut self, &Opcode);
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn add_i_vx(&mut self, &Opcode);
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn load_i_vx_font(&mut self, &Opcode);
[INFO] [stdout]    |                                  ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn load_bcd_vx(&mut self, &Opcode);
[INFO] [stdout]    |                               ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn load_through_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                   ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/cpu/ops.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn read_through_vx(&mut self, &Opcode);
[INFO] [stdout]    |                                   ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_pixel(&self, Address, Address) -> bool;
[INFO] [stdout]    |                          ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_pixel(&self, Address, Address) -> bool;
[INFO] [stdout]    |                                   ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_pixel(&mut self, Address, Address, bool) -> bool;
[INFO] [stdout]    |                                ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_pixel(&mut self, Address, Address, bool) -> bool;
[INFO] [stdout]    |                                         ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/output/graphics.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_pixel(&mut self, Address, Address, bool) -> bool;
[INFO] [stdout]    |                                                  ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/output/sound.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn beep(&self, bool);
[INFO] [stdout]   |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_chip` (lib) due to 1 previous error; 43 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_chip` (lib test) due to 1 previous error; 43 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "48e76b35fb0da84508e1330288ab6fe68b361b698384133acc7fbe5e07c660e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e76b35fb0da84508e1330288ab6fe68b361b698384133acc7fbe5e07c660e8", kill_on_drop: false }`
[INFO] [stdout] 48e76b35fb0da84508e1330288ab6fe68b361b698384133acc7fbe5e07c660e8
