[INFO] cloning repository https://github.com/cnsr/rust-snake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cnsr/rust-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnsr%2Frust-snake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnsr%2Frust-snake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3f6de6d6dd85c6a9e61c2922de331bac962fc947 [INFO] checking cnsr/rust-snake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnsr%2Frust-snake" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cnsr/rust-snake on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cnsr/rust-snake [INFO] finished tweaking git repo https://github.com/cnsr/rust-snake [INFO] tweaked toml for git repo https://github.com/cnsr/rust-snake written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cnsr/rust-snake 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de28d14fe584ef258342de04af70a4c14d9f9704f2dde2b46a5bc7016e3770c9 [INFO] running `Command { std: "docker" "start" "-a" "de28d14fe584ef258342de04af70a4c14d9f9704f2dde2b46a5bc7016e3770c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de28d14fe584ef258342de04af70a4c14d9f9704f2dde2b46a5bc7016e3770c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de28d14fe584ef258342de04af70a4c14d9f9704f2dde2b46a5bc7016e3770c9", kill_on_drop: false }` [INFO] [stdout] de28d14fe584ef258342de04af70a4c14d9f9704f2dde2b46a5bc7016e3770c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cee7d65e8b1096fd21d0e8a09a57ad0f0616325555618ba54b8310a5a506f76 [INFO] running `Command { std: "docker" "start" "-a" "8cee7d65e8b1096fd21d0e8a09a57ad0f0616325555618ba54b8310a5a506f76", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking num-iter v0.1.39 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use sdl2::render::TextureQuery; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SnakeSegment` [INFO] [stdout] --> src/lib/snake.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lib::types::{Cell, SnakeHead, Grid, SnakeSegment, Food}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::grid_init` [INFO] [stdout] --> src/lib/snake.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::lib::grid_init; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use sdl2::render::TextureQuery; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SnakeSegment` [INFO] [stdout] --> src/lib/snake.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lib::types::{Cell, SnakeHead, Grid, SnakeSegment, Food}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::grid_init` [INFO] [stdout] --> src/lib/snake.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::lib::grid_init; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/types.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let mut newvec = vec.to_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dimensions` [INFO] [stdout] --> src/lib/snake.rs:7:54 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn change_grid(mut grid: Grid, head: &SnakeHead, dimensions: (u32, u32)) -> Grid{ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimensions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell_color` [INFO] [stdout] --> src/lib/snake.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let cell_color: Cell = Cell{red: 0_u8, green: 196_u8, blue: 0_u8}; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_color` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `direction` [INFO] [stdout] --> src/lib/snake.rs:49:56 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn draw_body(head: &mut SnakeHead, mut grid: Grid, direction: (i32, i32)) -> Grid { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/snake.rs:64:35 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn draw_food(food: &mut Food, mut grid: Grid) -> Grid { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/mod.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut event_pump: EventPump = sdl_context.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/types.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let mut newvec = vec.to_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dimensions` [INFO] [stdout] --> src/lib/snake.rs:7:54 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn change_grid(mut grid: Grid, head: &SnakeHead, dimensions: (u32, u32)) -> Grid{ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimensions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell_color` [INFO] [stdout] --> src/lib/snake.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let cell_color: Cell = Cell{red: 0_u8, green: 196_u8, blue: 0_u8}; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_color` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `direction` [INFO] [stdout] --> src/lib/snake.rs:49:56 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn draw_body(head: &mut SnakeHead, mut grid: Grid, direction: (i32, i32)) -> Grid { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/snake.rs:64:35 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn draw_food(food: &mut Food, mut grid: Grid) -> Grid { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/mod.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut event_pump: EventPump = sdl_context.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut direction: (i32, i32) = (1,0); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let mut debug_text = format!("x {:?} y {:?} len {:?} seg {:?} fx {:?} fy {:?}", [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | canvas.copy(&texture, None, Some(target)); [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] 140 | let _ = canvas.copy(&texture, None, Some(target)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut direction: (i32, i32) = (1,0); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let mut debug_text = format!("x {:?} y {:?} len {:?} seg {:?} fx {:?} fy {:?}", [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | canvas.copy(&texture, None, Some(target)); [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] 140 | let _ = canvas.copy(&texture, None, Some(target)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.28s [INFO] running `Command { std: "docker" "inspect" "8cee7d65e8b1096fd21d0e8a09a57ad0f0616325555618ba54b8310a5a506f76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cee7d65e8b1096fd21d0e8a09a57ad0f0616325555618ba54b8310a5a506f76", kill_on_drop: false }` [INFO] [stdout] 8cee7d65e8b1096fd21d0e8a09a57ad0f0616325555618ba54b8310a5a506f76 [INFO] checking cnsr/rust-snake against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnsr%2Frust-snake" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cnsr/rust-snake on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cnsr/rust-snake [INFO] finished tweaking git repo https://github.com/cnsr/rust-snake [INFO] tweaked toml for git repo https://github.com/cnsr/rust-snake written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cnsr/rust-snake 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc68c0e57bb6ced0ac2e03317833e4e50e2c89618266071b3ce47d1e879a3865 [INFO] running `Command { std: "docker" "start" "-a" "dc68c0e57bb6ced0ac2e03317833e4e50e2c89618266071b3ce47d1e879a3865", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc68c0e57bb6ced0ac2e03317833e4e50e2c89618266071b3ce47d1e879a3865", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc68c0e57bb6ced0ac2e03317833e4e50e2c89618266071b3ce47d1e879a3865", kill_on_drop: false }` [INFO] [stdout] dc68c0e57bb6ced0ac2e03317833e4e50e2c89618266071b3ce47d1e879a3865 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 065f8db019dec3f5f9cc6a49661ae92218bfc45798dde57ce863d0f0a0538264 [INFO] running `Command { std: "docker" "start" "-a" "065f8db019dec3f5f9cc6a49661ae92218bfc45798dde57ce863d0f0a0538264", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking num-iter v0.1.39 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use sdl2::render::TextureQuery; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SnakeSegment` [INFO] [stdout] --> src/lib/snake.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lib::types::{Cell, SnakeHead, Grid, SnakeSegment, Food}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::grid_init` [INFO] [stdout] --> src/lib/snake.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::lib::grid_init; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use sdl2::render::TextureQuery; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SnakeSegment` [INFO] [stdout] --> src/lib/snake.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lib::types::{Cell, SnakeHead, Grid, SnakeSegment, Food}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::grid_init` [INFO] [stdout] --> src/lib/snake.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::lib::grid_init; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/types.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let mut newvec = vec.to_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dimensions` [INFO] [stdout] --> src/lib/snake.rs:7:54 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn change_grid(mut grid: Grid, head: &SnakeHead, dimensions: (u32, u32)) -> Grid{ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimensions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell_color` [INFO] [stdout] --> src/lib/snake.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let cell_color: Cell = Cell{red: 0_u8, green: 196_u8, blue: 0_u8}; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_color` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `direction` [INFO] [stdout] --> src/lib/snake.rs:49:56 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn draw_body(head: &mut SnakeHead, mut grid: Grid, direction: (i32, i32)) -> Grid { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/snake.rs:64:35 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn draw_food(food: &mut Food, mut grid: Grid) -> Grid { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/mod.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut event_pump: EventPump = sdl_context.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/types.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let mut newvec = vec.to_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dimensions` [INFO] [stdout] --> src/lib/snake.rs:7:54 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn change_grid(mut grid: Grid, head: &SnakeHead, dimensions: (u32, u32)) -> Grid{ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimensions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell_color` [INFO] [stdout] --> src/lib/snake.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let cell_color: Cell = Cell{red: 0_u8, green: 196_u8, blue: 0_u8}; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_color` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `direction` [INFO] [stdout] --> src/lib/snake.rs:49:56 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn draw_body(head: &mut SnakeHead, mut grid: Grid, direction: (i32, i32)) -> Grid { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/snake.rs:64:35 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn draw_food(food: &mut Food, mut grid: Grid) -> Grid { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/mod.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut event_pump: EventPump = sdl_context.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut direction: (i32, i32) = (1,0); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let mut debug_text = format!("x {:?} y {:?} len {:?} seg {:?} fx {:?} fy {:?}", [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | canvas.copy(&texture, None, Some(target)); [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] 140 | let _ = canvas.copy(&texture, None, Some(target)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut direction: (i32, i32) = (1,0); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let mut debug_text = format!("x {:?} y {:?} len {:?} seg {:?} fx {:?} fy {:?}", [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | canvas.copy(&texture, None, Some(target)); [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] 140 | let _ = canvas.copy(&texture, None, Some(target)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s [INFO] running `Command { std: "docker" "inspect" "065f8db019dec3f5f9cc6a49661ae92218bfc45798dde57ce863d0f0a0538264", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "065f8db019dec3f5f9cc6a49661ae92218bfc45798dde57ce863d0f0a0538264", kill_on_drop: false }` [INFO] [stdout] 065f8db019dec3f5f9cc6a49661ae92218bfc45798dde57ce863d0f0a0538264