[INFO] cloning repository https://github.com/eric556/chip-8-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eric556/chip-8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric556%2Fchip-8-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric556%2Fchip-8-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bfb377b5db047c077680e49088d36b50a6445ee7 [INFO] testing eric556/chip-8-rs against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric556%2Fchip-8-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/eric556/chip-8-rs [INFO] finished tweaking git repo https://github.com/eric556/chip-8-rs [INFO] tweaked toml for git repo https://github.com/eric556/chip-8-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eric556/chip-8-rs on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eric556/chip-8-rs 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d64605f15731e84488ebdda142ff41c7e237218972e5f8d1c1e9270338bfdac0 [INFO] running `Command { std: "docker" "start" "-a" "d64605f15731e84488ebdda142ff41c7e237218972e5f8d1c1e9270338bfdac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d64605f15731e84488ebdda142ff41c7e237218972e5f8d1c1e9270338bfdac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d64605f15731e84488ebdda142ff41c7e237218972e5f8d1c1e9270338bfdac0", kill_on_drop: false }` [INFO] [stdout] d64605f15731e84488ebdda142ff41c7e237218972e5f8d1c1e9270338bfdac0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91732e0304f6ccab7a3cd5c3095c3f4c5a570bcd13f01fc9052ae04ba7777338 [INFO] running `Command { std: "docker" "start" "-a" "91732e0304f6ccab7a3cd5c3095c3f4c5a570bcd13f01fc9052ae04ba7777338", kill_on_drop: false }` [INFO] [stderr] Compiling sfml-build v0.2.0 [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling csfml-system-sys v0.4.0 [INFO] [stderr] Compiling csfml-window-sys v0.4.0 [INFO] [stderr] Compiling csfml-audio-sys v0.4.0 [INFO] [stderr] Compiling csfml-graphics-sys v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling sfml v0.14.0 [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling chip_8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sfml::system::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use sfml::system::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:160:62 [INFO] [stdout] | [INFO] [stdout] 160 | fn skip_immediate(&mut self, x: usize, byte: u16, comp: &Fn(u16, u16) -> bool) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [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 [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] 160 | fn skip_immediate(&mut self, x: usize, byte: u16, comp: &dyn Fn(u16, u16) -> bool) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:168:60 [INFO] [stdout] | [INFO] [stdout] 168 | fn skip_register(&mut self, x: usize, y: usize, comp: &Fn(u8, u8) -> bool) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 168 | fn skip_register(&mut self, x: usize, y: usize, comp: &dyn Fn(u8, u8) -> bool) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:176:58 [INFO] [stdout] | [INFO] [stdout] 176 | fn op_immediate(&mut self, x: usize, byte: u16, op: &Fn(u8, u8) -> u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 176 | fn op_immediate(&mut self, x: usize, byte: u16, op: &dyn Fn(u8, u8) -> u8) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:181:56 [INFO] [stdout] | [INFO] [stdout] 181 | fn op_register(&mut self, x: usize, y: usize, op: &Fn(u8, u8) -> u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 181 | fn op_register(&mut self, x: usize, y: usize, op: &dyn Fn(u8, u8) -> u8) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:186:62 [INFO] [stdout] | [INFO] [stdout] 186 | fn op_register_carry(&mut self, x: usize, y: usize, op: &Fn(u16, u16) -> (u8, u16)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 186 | fn op_register_carry(&mut self, x: usize, y: usize, op: &dyn Fn(u16, u16) -> (u8, u16)) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dump` is never used [INFO] [stdout] --> src/main.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 94 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 119 | fn dump(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `chip8_fontset` should have an upper case name [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | static chip8_fontset: [u8; 80] = [ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 14 - static chip8_fontset: [u8; 80] = [ [INFO] [stdout] 14 + static CHIP8_FONTSET: [u8; 80] = [ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `FromBig` should have a snake case name [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn FromBig(other: T) -> Self; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `from_big` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:502:5 [INFO] [stdout] | [INFO] [stdout] 502 | file.unwrap().read_to_end(&mut rom); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: 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] 502 | let _ = file.unwrap().read_to_end(&mut rom); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s [INFO] running `Command { std: "docker" "inspect" "91732e0304f6ccab7a3cd5c3095c3f4c5a570bcd13f01fc9052ae04ba7777338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91732e0304f6ccab7a3cd5c3095c3f4c5a570bcd13f01fc9052ae04ba7777338", kill_on_drop: false }` [INFO] [stdout] 91732e0304f6ccab7a3cd5c3095c3f4c5a570bcd13f01fc9052ae04ba7777338 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a262b8b524008d2391b26f774e2eef83c9f806191387a95424700a21a254d76 [INFO] running `Command { std: "docker" "start" "-a" "8a262b8b524008d2391b26f774e2eef83c9f806191387a95424700a21a254d76", kill_on_drop: false }` [INFO] [stderr] Compiling chip_8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sfml::system::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use sfml::system::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:160:62 [INFO] [stdout] | [INFO] [stdout] 160 | fn skip_immediate(&mut self, x: usize, byte: u16, comp: &Fn(u16, u16) -> bool) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [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 [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] 160 | fn skip_immediate(&mut self, x: usize, byte: u16, comp: &dyn Fn(u16, u16) -> bool) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:168:60 [INFO] [stdout] | [INFO] [stdout] 168 | fn skip_register(&mut self, x: usize, y: usize, comp: &Fn(u8, u8) -> bool) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 168 | fn skip_register(&mut self, x: usize, y: usize, comp: &dyn Fn(u8, u8) -> bool) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:176:58 [INFO] [stdout] | [INFO] [stdout] 176 | fn op_immediate(&mut self, x: usize, byte: u16, op: &Fn(u8, u8) -> u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 176 | fn op_immediate(&mut self, x: usize, byte: u16, op: &dyn Fn(u8, u8) -> u8) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:181:56 [INFO] [stdout] | [INFO] [stdout] 181 | fn op_register(&mut self, x: usize, y: usize, op: &Fn(u8, u8) -> u8) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 181 | fn op_register(&mut self, x: usize, y: usize, op: &dyn Fn(u8, u8) -> u8) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:186:62 [INFO] [stdout] | [INFO] [stdout] 186 | fn op_register_carry(&mut self, x: usize, y: usize, op: &Fn(u16, u16) -> (u8, u16)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 186 | fn op_register_carry(&mut self, x: usize, y: usize, op: &dyn Fn(u16, u16) -> (u8, u16)) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dump` is never used [INFO] [stdout] --> src/main.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 94 | impl Chip8 { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 119 | fn dump(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `chip8_fontset` should have an upper case name [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | static chip8_fontset: [u8; 80] = [ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 14 - static chip8_fontset: [u8; 80] = [ [INFO] [stdout] 14 + static CHIP8_FONTSET: [u8; 80] = [ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait method `FromBig` should have a snake case name [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn FromBig(other: T) -> Self; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `from_big` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:502:5 [INFO] [stdout] | [INFO] [stdout] 502 | file.unwrap().read_to_end(&mut rom); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: 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] 502 | let _ = file.unwrap().read_to_end(&mut rom); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "8a262b8b524008d2391b26f774e2eef83c9f806191387a95424700a21a254d76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a262b8b524008d2391b26f774e2eef83c9f806191387a95424700a21a254d76", kill_on_drop: false }` [INFO] [stdout] 8a262b8b524008d2391b26f774e2eef83c9f806191387a95424700a21a254d76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4f8bc8be261812352ab7b7d89694840992d5dc0b780eedc9b4aa7b90c4cdd4f7 [INFO] running `Command { std: "docker" "start" "-a" "4f8bc8be261812352ab7b7d89694840992d5dc0b780eedc9b4aa7b90c4cdd4f7", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `sfml::system::*` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use sfml::system::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:160:62 [INFO] [stderr] | [INFO] [stderr] 160 | fn skip_immediate(&mut self, x: usize, byte: u16, comp: &Fn(u16, u16) -> bool) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 160 | fn skip_immediate(&mut self, x: usize, byte: u16, comp: &dyn Fn(u16, u16) -> bool) { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | +++ [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:168:60 [INFO] [stderr] | [INFO] [stderr] 168 | fn skip_register(&mut self, x: usize, y: usize, comp: &Fn(u8, u8) -> bool) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 168 | fn skip_register(&mut self, x: usize, y: usize, comp: &dyn Fn(u8, u8) -> bool) { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:176:58 [INFO] [stderr] | [INFO] [stderr] 176 | fn op_immediate(&mut self, x: usize, byte: u16, op: &Fn(u8, u8) -> u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 176 | fn op_immediate(&mut self, x: usize, byte: u16, op: &dyn Fn(u8, u8) -> u8) { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:181:56 [INFO] [stderr] | [INFO] [stderr] 181 | fn op_register(&mut self, x: usize, y: usize, op: &Fn(u8, u8) -> u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 181 | fn op_register(&mut self, x: usize, y: usize, op: &dyn Fn(u8, u8) -> u8) { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:186:62 [INFO] [stderr] | [INFO] [stderr] 186 | fn op_register_carry(&mut self, x: usize, y: usize, op: &Fn(u16, u16) -> (u8, u16)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 186 | fn op_register_carry(&mut self, x: usize, y: usize, op: &dyn Fn(u16, u16) -> (u8, u16)) { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: method `dump` is never used [INFO] [stderr] --> src/main.rs:119:8 [INFO] [stderr] | [INFO] [stderr] 94 | impl Chip8 { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 119 | fn dump(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `chip8_fontset` should have an upper case name [INFO] [stderr] --> src/main.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | static chip8_fontset: [u8; 80] = [ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] help: convert the identifier to upper case [INFO] [stderr] | [INFO] [stderr] 14 - static chip8_fontset: [u8; 80] = [ [INFO] [stderr] 14 + static CHIP8_FONTSET: [u8; 80] = [ [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait method `FromBig` should have a snake case name [INFO] [stderr] --> src/main.rs:34:8 [INFO] [stderr] | [INFO] [stderr] 34 | fn FromBig(other: T) -> Self; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `from_big` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:502:5 [INFO] [stderr] | [INFO] [stderr] 502 | file.unwrap().read_to_end(&mut rom); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: 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] 502 | let _ = file.unwrap().read_to_end(&mut rom); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `chip_8` (bin "chip_8" test) generated 10 warnings (run `cargo fix --bin "chip_8" --tests` to apply 7 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip_8-2883567f33e45953) [INFO] running `Command { std: "docker" "inspect" "4f8bc8be261812352ab7b7d89694840992d5dc0b780eedc9b4aa7b90c4cdd4f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f8bc8be261812352ab7b7d89694840992d5dc0b780eedc9b4aa7b90c4cdd4f7", kill_on_drop: false }` [INFO] [stdout] 4f8bc8be261812352ab7b7d89694840992d5dc0b780eedc9b4aa7b90c4cdd4f7