[INFO] cloning repository https://github.com/vierbaum/ants_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vierbaum/ants_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvierbaum%2Fants_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvierbaum%2Fants_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 08ea470bbad83001d86a9e3cd748ffb6affcda6b [INFO] checking vierbaum/ants_rust against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvierbaum%2Fants_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vierbaum/ants_rust on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vierbaum/ants_rust [INFO] finished tweaking git repo https://github.com/vierbaum/ants_rust [INFO] tweaked toml for git repo https://github.com/vierbaum/ants_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vierbaum/ants_rust 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded raster v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cadfe9bfdf2d5f9996d93ec5e3fd2ea6be63cda86a5245285ecde9fb1a675b56 [INFO] running `Command { std: "docker" "start" "-a" "cadfe9bfdf2d5f9996d93ec5e3fd2ea6be63cda86a5245285ecde9fb1a675b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cadfe9bfdf2d5f9996d93ec5e3fd2ea6be63cda86a5245285ecde9fb1a675b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cadfe9bfdf2d5f9996d93ec5e3fd2ea6be63cda86a5245285ecde9fb1a675b56", kill_on_drop: false }` [INFO] [stdout] cadfe9bfdf2d5f9996d93ec5e3fd2ea6be63cda86a5245285ecde9fb1a675b56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 055859ee433f1954b17250cb3631d0e0b6022fd26be42bbba8578750abf4e9d7 [INFO] running `Command { std: "docker" "start" "-a" "055859ee433f1954b17250cb3631d0e0b6022fd26be42bbba8578750abf4e9d7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling version-compare v0.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking inflate v0.1.1 [INFO] [stderr] Compiling sdl2 v0.35.1 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Compiling sdl2-sys v0.35.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking png v0.5.2 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking image v0.10.4 [INFO] [stderr] Checking raster v0.0.7 [INFO] [stderr] Checking ants_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `printarr` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn printarr(arr: &Vec>) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PHOME` is never used [INFO] [stdout] --> src/vars.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | pub const PHOME :i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PFOOD` is never used [INFO] [stdout] --> src/vars.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | pub const PFOOD :i32 = 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_new_pos` is never used [INFO] [stdout] --> src/ants.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Ant{ [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn set_new_pos(&mut self, new_pos: [i32; 2]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `printarr` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn printarr(arr: &Vec>) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PHOME` is never used [INFO] [stdout] --> src/vars.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | pub const PHOME :i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `PFOOD` is never used [INFO] [stdout] --> src/vars.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | pub const PFOOD :i32 = 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_new_pos` is never used [INFO] [stdout] --> src/ants.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Ant{ [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn set_new_pos(&mut self, new_pos: [i32; 2]) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 61 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 64 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:67:21 [INFO] [stdout] | [INFO] [stdout] 67 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 91 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 95 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:98:21 [INFO] [stdout] | [INFO] [stdout] 98 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 98 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 101 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 61 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 64 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:67:21 [INFO] [stdout] | [INFO] [stdout] 67 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 91 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 95 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:98:21 [INFO] [stdout] | [INFO] [stdout] 98 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 98 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 101 | let _ = canvas.fill_rect(Rect::new(x as i32 * vars::BSX, y as i32 * vars::BSY, vars::BSX as u32, vars::BSY as u32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.92s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "055859ee433f1954b17250cb3631d0e0b6022fd26be42bbba8578750abf4e9d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "055859ee433f1954b17250cb3631d0e0b6022fd26be42bbba8578750abf4e9d7", kill_on_drop: false }` [INFO] [stdout] 055859ee433f1954b17250cb3631d0e0b6022fd26be42bbba8578750abf4e9d7