[INFO] cloning repository https://github.com/the0xdev/crisp8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/the0xdev/crisp8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe0xdev%2Fcrisp8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe0xdev%2Fcrisp8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da0158facea4b8451bd8248bd0bcb476f5ae6dfe
[INFO] testing the0xdev/crisp8 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe0xdev%2Fcrisp8" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/the0xdev/crisp8
[INFO] finished tweaking git repo https://github.com/the0xdev/crisp8
[INFO] tweaked toml for git repo https://github.com/the0xdev/crisp8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/the0xdev/crisp8 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/the0xdev/crisp8 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "963238dc515454f5bae0ec1f38190581f126ca2e1d0c2261b3308f9b5665508f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8955101f5de4d280099d2e4702e1badd334db9535a101f4ec38c18dbf9ca1a86", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crisp8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `eframe::egui::vec2`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use eframe::egui::vec2;
[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::io::stdin`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::TAU`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::f32::consts::TAU;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn load(mut self, value: impl Into<String>) -> CrispBuilder {
[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: `value`
[INFO] [stdout]    --> src/main.rs:390:27
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn load(mut self, value: impl Into<String>) -> CrispBuilder {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn load_font(mut self) -> CrispBuilder {
[INFO] [stdout]     |                      ----^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]    --> src/main.rs:445:19
[INFO] [stdout]     |
[INFO] [stdout] 445 |         Box::new(|cc| {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:464:10
[INFO] [stdout]     |
[INFO] [stdout] 464 |         let c = rect.center();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:465:10
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let r = rect.width() / 2.0 - 1.0;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stroke`
[INFO] [stdout]    --> src/main.rs:467:10
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let stroke = Stroke::new(1.0, color);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stroke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROGRAM_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const PROGRAM_SIZE: usize = PROGRAM_END - PROGRAM_END;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SuperChip` and `MegaChip` are never constructed
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | enum ISA {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     SuperChip,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 49 |     MegaChip,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ISA` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pause` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn pause() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_op_string` is never used
[INFO] [stdout]    --> src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Crisp {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn read_op_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:145:6
[INFO] [stdout]     |
[INFO] [stdout] 145 |         stdout().flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = stdout().flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 59s
[INFO] running `Command { std: "docker" "inspect" "8955101f5de4d280099d2e4702e1badd334db9535a101f4ec38c18dbf9ca1a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8955101f5de4d280099d2e4702e1badd334db9535a101f4ec38c18dbf9ca1a86", kill_on_drop: false }`
[INFO] [stdout] 8955101f5de4d280099d2e4702e1badd334db9535a101f4ec38c18dbf9ca1a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] af9644ef0240618343bba1719844eead0e867e5ebf16df5d8aeaefc93490d335
[INFO] running `Command { std: "docker" "start" "-a" "af9644ef0240618343bba1719844eead0e867e5ebf16df5d8aeaefc93490d335", kill_on_drop: false }`
[INFO] [stderr]    Compiling crisp8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `eframe::egui::vec2`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use eframe::egui::vec2;
[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::io::stdin`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::TAU`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::f32::consts::TAU;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn load(mut self, value: impl Into<String>) -> CrispBuilder {
[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: `value`
[INFO] [stdout]    --> src/main.rs:390:27
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn load(mut self, value: impl Into<String>) -> CrispBuilder {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn load_font(mut self) -> CrispBuilder {
[INFO] [stdout]     |                      ----^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]    --> src/main.rs:445:19
[INFO] [stdout]     |
[INFO] [stdout] 445 |         Box::new(|cc| {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:464:10
[INFO] [stdout]     |
[INFO] [stdout] 464 |         let c = rect.center();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:465:10
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let r = rect.width() / 2.0 - 1.0;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stroke`
[INFO] [stdout]    --> src/main.rs:467:10
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let stroke = Stroke::new(1.0, color);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stroke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROGRAM_SIZE` is never used
[INFO] [stdout]   --> src/main.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const PROGRAM_SIZE: usize = PROGRAM_END - PROGRAM_END;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SuperChip` and `MegaChip` are never constructed
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | enum ISA {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     SuperChip,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 49 |     MegaChip,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ISA` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pause` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn pause() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_op_string` is never used
[INFO] [stdout]    --> src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Crisp {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn read_op_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:145:6
[INFO] [stdout]     |
[INFO] [stdout] 145 |         stdout().flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = stdout().flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "af9644ef0240618343bba1719844eead0e867e5ebf16df5d8aeaefc93490d335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9644ef0240618343bba1719844eead0e867e5ebf16df5d8aeaefc93490d335", kill_on_drop: false }`
[INFO] [stdout] af9644ef0240618343bba1719844eead0e867e5ebf16df5d8aeaefc93490d335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 6581fe4382038aaab9976c000e351a71d76e35f587062e5c8a6f4d33a168a134
[INFO] running `Command { std: "docker" "start" "-a" "6581fe4382038aaab9976c000e351a71d76e35f587062e5c8a6f4d33a168a134", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `eframe::egui::vec2`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use eframe::egui::vec2;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::io::stdin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32::consts::TAU`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::f32::consts::TAU;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:390:17
[INFO] [stderr]     |
[INFO] [stderr] 390 |     pub fn load(mut self, value: impl Into<String>) -> CrispBuilder {
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/main.rs:390:27
[INFO] [stderr]     |
[INFO] [stderr] 390 |     pub fn load(mut self, value: impl Into<String>) -> CrispBuilder {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:406:22
[INFO] [stderr]     |
[INFO] [stderr] 406 |     pub fn load_font(mut self) -> CrispBuilder {
[INFO] [stderr]     |                      ----^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cc`
[INFO] [stderr]    --> src/main.rs:445:19
[INFO] [stderr]     |
[INFO] [stderr] 445 |         Box::new(|cc| {
[INFO] [stderr]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/main.rs:464:10
[INFO] [stderr]     |
[INFO] [stderr] 464 |         let c = rect.center();
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/main.rs:465:10
[INFO] [stderr]     |
[INFO] [stderr] 465 |         let r = rect.width() / 2.0 - 1.0;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stroke`
[INFO] [stderr]    --> src/main.rs:467:10
[INFO] [stderr]     |
[INFO] [stderr] 467 |         let stroke = Stroke::new(1.0, color);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stroke`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PROGRAM_SIZE` is never used
[INFO] [stderr]   --> src/main.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 36 | const PROGRAM_SIZE: usize = PROGRAM_END - PROGRAM_END;
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `SuperChip` and `MegaChip` are never constructed
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | enum ISA {
[INFO] [stderr]    |      --- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 48 |     SuperChip,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 49 |     MegaChip,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ISA` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `pause` is never used
[INFO] [stderr]   --> src/main.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn pause() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `read_op_string` is never used
[INFO] [stderr]    --> src/main.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr]  91 | impl Crisp {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 110 |     fn read_op_string(&self) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:145:6
[INFO] [stderr]     |
[INFO] [stderr] 145 |         stdout().flush();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let _ = stdout().flush();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `crisp8` (bin "crisp8" test) generated 15 warnings (run `cargo fix --bin "crisp8" -p crisp8 --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/crisp8/db9ec091f8657a8a/deps/crisp8-db9ec091f8657a8a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6581fe4382038aaab9976c000e351a71d76e35f587062e5c8a6f4d33a168a134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6581fe4382038aaab9976c000e351a71d76e35f587062e5c8a6f4d33a168a134", kill_on_drop: false }`
[INFO] [stdout] 6581fe4382038aaab9976c000e351a71d76e35f587062e5c8a6f4d33a168a134
