[INFO] cloning repository https://github.com/ryuseikurata/computer_system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryuseikurata/computer_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuseikurata%2Fcomputer_system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuseikurata%2Fcomputer_system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f75f32d15541cf5d22a764cc1a9875a54752d1b
[INFO] testing ryuseikurata/computer_system against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuseikurata%2Fcomputer_system" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryuseikurata/computer_system
[INFO] finished tweaking git repo https://github.com/ryuseikurata/computer_system
[INFO] tweaked toml for git repo https://github.com/ryuseikurata/computer_system written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryuseikurata/computer_system on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryuseikurata/computer_system 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0
[INFO] running `Command { std: "docker" "start" "df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling computer_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mux`
[INFO] [stdout]  --> src/computer_components/memory_map.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     gates::{dmux4way, mux, mux16, or},
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mux`
[INFO] [stdout]  --> src/sequence_circuits/cpu.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     gates::{and, mux, mux16, not, or},
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `Screen` is not dyn compatible
[INFO] [stdout]   --> src/main.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut computer = Computer::<dyn Screen, dyn Keyboard>::new();
[INFO] [stdout]    |                                       ^^^^^^ `Screen` is not dyn compatible
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]   --> src/computer_components/screen.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub trait Screen {
[INFO] [stdout]    |           ------ this trait is not dyn compatible...
[INFO] [stdout]  4 |     fn new() -> Self;
[INFO] [stdout]    |        ^^^ ...because associated function `new` has no `self` parameter
[INFO] [stdout]    = help: only type `computer_components::screen::DummyScreen` implements `Screen`; consider using it directly instead.
[INFO] [stdout] help: consider turning `new` into a method by giving it a `&self` argument
[INFO] [stdout]   --> src/computer_components/screen.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout]  4 |     fn new(&self) -> Self;
[INFO] [stdout]    |            +++++
[INFO] [stdout] help: alternatively, consider constraining `new` so it does not apply to trait objects
[INFO] [stdout]   --> src/computer_components/screen.rs:4:21
[INFO] [stdout]    |
[INFO] [stdout]  4 |     fn new() -> Self where Self: Sized;
[INFO] [stdout]    |                      +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `Keyboard` is not dyn compatible
[INFO] [stdout]   --> src/main.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut computer = Computer::<dyn Screen, dyn Keyboard>::new();
[INFO] [stdout]    |                                                   ^^^^^^^^ `Keyboard` is not dyn compatible
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]   --> src/computer_components/keyboard.rs:5:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub trait Keyboard {
[INFO] [stdout]    |           -------- this trait is not dyn compatible...
[INFO] [stdout]  4 |     type State;
[INFO] [stdout]  5 |     fn new() -> Self;
[INFO] [stdout]    |        ^^^ ...because associated function `new` has no `self` parameter
[INFO] [stdout]    = help: only type `computer_components::keyboard::DummyKeyboard` implements `Keyboard`; consider using it directly instead.
[INFO] [stdout] help: consider turning `new` into a method by giving it a `&self` argument
[INFO] [stdout]   --> src/computer_components/keyboard.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn new(&self) -> Self;
[INFO] [stdout]    |            +++++
[INFO] [stdout] help: alternatively, consider constraining `new` so it does not apply to trait objects
[INFO] [stdout]   --> src/computer_components/keyboard.rs:5:21
[INFO] [stdout]    |
[INFO] [stdout]  5 |     fn new() -> Self where Self: Sized;
[INFO] [stdout]    |                      +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_load_key_board`
[INFO] [stdout]   --> src/computer_components/memory_map.rs:32:60
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let [is_load_ram_1, is_load_screen, is_load_ram_2, is_load_key_board] =
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_load_key_board`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hi`
[INFO] [stdout]   --> src/computer_components/memory_map.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let hi = address[14];
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_hi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/sequence_circuits/read_only_memory.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let file = File::open(file_name.clone()).expect(&format!("Fail to Open {}", file_name));
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sequence_circuits/word.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn from_str(mut s: &str) -> Word {
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `computer_system` (bin "computer_system") due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0", kill_on_drop: false }`
[INFO] [stdout] df9f1761b4f049dc3c73cba5b9671d3ec8db84e88e4251b95a52bbd09c4816a0
