[INFO] cloning repository https://github.com/Tormyst/mystchip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tormyst/mystchip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTormyst%2Fmystchip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTormyst%2Fmystchip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a7b10114f80a1ec322d09b98281e073bc7711c2
[INFO] fixing Tormyst/mystchip against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTormyst%2Fmystchip" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tormyst/mystchip
[INFO] finished tweaking git repo https://github.com/Tormyst/mystchip
[INFO] tweaked toml for git repo https://github.com/Tormyst/mystchip written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tormyst/mystchip on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tormyst/mystchip 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `mystchip` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e
[INFO] running `Command { std: "docker" "start" "52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e", 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" "52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `mystchip` (manifest) generated 1 warning
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling serde v1.0.77
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.15.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.77
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking mystchip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2015 edition to 2018
[INFO] [stderr]        Fixed src/main.rs (3 fixes)
[INFO] [stderr]        Fixed src/cpu.rs (2 fixes)
[INFO] [stderr]        Fixed src/mem/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/display.rs (11 fixes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.14.0, syn v0.10.8, syn v0.14.9, winit v0.12.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr] crater-edition-check: mystchip v0.1.0 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]     Checking mystchip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `image` is ambiguous
[INFO] [stdout]  --> src/display.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use image::*;
[INFO] [stdout]   |     ^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `image` could refer to the module imported here
[INFO] [stdout]  --> src/display.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piston_window::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: consider adding an explicit import of `image` to disambiguate
[INFO] [stdout]   = help: or use `self::image` to refer to this module unambiguously
[INFO] [stdout] note: `image` could also refer to the crate imported here
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate image;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: use `::image` to refer to this crate unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Command;
[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: `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/mem/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]  --> src/display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/display.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mem::Mem`
[INFO] [stdout]  --> src/display.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::mem::Mem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cpu_message` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum cpu_message {
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `CpuMessage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `display_message` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum display_message {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DisplayMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mem/mod.rs:78:39
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn send_frame(&self, sender: &Fn([bool;crate::framesize])) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn send_frame(&self, sender: &dyn Fn([bool;crate::framesize])) {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rm_tmp`
[INFO] [stdout]    --> src/cpu.rs:238:35
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let (add_tmp, rm_tmp) = mem.gfx_write(x, y + iter, sprite);
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rm_tmp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/cpu.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let key = self.reg[low_nibble(inst_byte_upper) as usize];
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]   --> src/display.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let opengl = OpenGL::V3_2;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opengl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/display.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 _ => {
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/display.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 crate::cpu_message::Frame(f) => {
[INFO] [stdout]    |                 ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 95 |                 crate::cpu_message::Render => {}
[INFO] [stdout]    |                 -------------------------- matches some of the same values
[INFO] [stdout] 96 |                 _ => {
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 _ => panic!("Unhandled message: {:?}", message),
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 display_message::Die => {
[INFO] [stdout]    |                 -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 94 |                 display_message::Input(_) => {
[INFO] [stdout]    |                 ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 97 |                 _ => panic!("Unhandled message: {:?}", message),
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut last_render = SystemTime::now();
[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] warning: unused variable: `last_render`
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut last_render = SystemTime::now();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_render`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mystchip` (bin "mystchip") due to 1 previous error; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0659]: `image` is ambiguous
[INFO] [stdout]  --> src/display.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use image::*;
[INFO] [stdout]   |     ^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `image` could refer to the module imported here
[INFO] [stdout]  --> src/display.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use piston_window::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: consider adding an explicit import of `image` to disambiguate
[INFO] [stdout]   = help: or use `self::image` to refer to this module unambiguously
[INFO] [stdout] note: `image` could also refer to the crate imported here
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate image;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = help: use `::image` to refer to this crate unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Command;
[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: `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/mem/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]  --> src/display.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/display.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mem::Mem`
[INFO] [stdout]  --> src/display.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::mem::Mem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cpu_message` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum cpu_message {
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `CpuMessage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `display_message` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum display_message {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DisplayMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mem/mod.rs:78:39
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn send_frame(&self, sender: &Fn([bool;crate::framesize])) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn send_frame(&self, sender: &dyn Fn([bool;crate::framesize])) {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rm_tmp`
[INFO] [stdout]    --> src/cpu.rs:238:35
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let (add_tmp, rm_tmp) = mem.gfx_write(x, y + iter, sprite);
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rm_tmp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/cpu.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let key = self.reg[low_nibble(inst_byte_upper) as usize];
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opengl`
[INFO] [stdout]   --> src/display.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let opengl = OpenGL::V3_2;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opengl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/display.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 _ => {
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/display.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 crate::cpu_message::Frame(f) => {
[INFO] [stdout]    |                 ---------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 95 |                 crate::cpu_message::Render => {}
[INFO] [stdout]    |                 -------------------------- matches some of the same values
[INFO] [stdout] 96 |                 _ => {
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 _ => panic!("Unhandled message: {:?}", message),
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 display_message::Die => {
[INFO] [stdout]    |                 -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 94 |                 display_message::Input(_) => {
[INFO] [stdout]    |                 ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 97 |                 _ => panic!("Unhandled message: {:?}", message),
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut last_render = SystemTime::now();
[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] warning: unused variable: `last_render`
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut last_render = SystemTime::now();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_render`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mystchip` (bin "mystchip" test) due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e", kill_on_drop: false }`
[INFO] [stdout] 52b0746a984db0b2520bf5c42a1f9a7f92190cd2620ff4964d61e95af67cb22e
