[INFO] updating cached repository https://github.com/cnsr/rust-snake [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f6de6d6dd85c6a9e61c2922de331bac962fc947 [INFO] checking cnsr/rust-snake against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnsr%2Frust-snake" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cnsr/rust-snake on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"` [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-1/source/Cargo.toml [INFO] crate git repo https://github.com/cnsr/rust-snake already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 64e33ecd1737d949394634976b87767e3fc3f3f033e0065a875e67163f9e815b [INFO] running `"docker" "start" "-a" "64e33ecd1737d949394634976b87767e3fc3f3f033e0065a875e67163f9e815b"` [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Checking snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use sdl2::render::TextureQuery; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SnakeSegment` [INFO] [stderr] --> src/lib/snake.rs:1:48 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::lib::types::{Cell, SnakeHead, Grid, SnakeSegment, Food}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::lib::grid_init` [INFO] [stderr] --> src/lib/snake.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::lib::grid_init; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use sdl2::render::TextureQuery; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SnakeSegment` [INFO] [stderr] --> src/lib/snake.rs:1:48 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::lib::types::{Cell, SnakeHead, Grid, SnakeSegment, Food}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::lib::grid_init` [INFO] [stderr] --> src/lib/snake.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::lib::grid_init; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dimensions` [INFO] [stderr] --> src/lib/snake.rs:7:54 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn change_grid(mut grid: Grid, head: &SnakeHead, dimensions: (u32, u32)) -> Grid{ [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_dimensions` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell_color` [INFO] [stderr] --> src/lib/snake.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let cell_color: Cell = Cell{red: 0_u8, green: 196_u8, blue: 0_u8}; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_cell_color` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `direction` [INFO] [stderr] --> src/lib/snake.rs:49:56 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn draw_body(head: &mut SnakeHead, mut grid: Grid, direction: (i32, i32)) -> Grid { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_direction` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut direction: (i32, i32) = (1,0); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | let mut debug_text = format!("x {:?} y {:?} len {:?} seg {:?} fx {:?} fy {:?}", [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/mod.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut event_pump: EventPump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/types.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut newvec = vec.to_vec(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/snake.rs:64:35 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn draw_food(food: &mut Food, mut grid: Grid) -> Grid { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | canvas.copy(&texture, None, Some(target)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dimensions` [INFO] [stderr] --> src/lib/snake.rs:7:54 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn change_grid(mut grid: Grid, head: &SnakeHead, dimensions: (u32, u32)) -> Grid{ [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_dimensions` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell_color` [INFO] [stderr] --> src/lib/snake.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let cell_color: Cell = Cell{red: 0_u8, green: 196_u8, blue: 0_u8}; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_cell_color` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `direction` [INFO] [stderr] --> src/lib/snake.rs:49:56 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn draw_body(head: &mut SnakeHead, mut grid: Grid, direction: (i32, i32)) -> Grid { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_direction` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut direction: (i32, i32) = (1,0); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | let mut debug_text = format!("x {:?} y {:?} len {:?} seg {:?} fx {:?} fy {:?}", [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/mod.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut event_pump: EventPump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/types.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut newvec = vec.to_vec(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/snake.rs:64:35 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn draw_food(food: &mut Food, mut grid: Grid) -> Grid { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | canvas.copy(&texture, None, Some(target)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.84s [INFO] running `"docker" "inspect" "64e33ecd1737d949394634976b87767e3fc3f3f033e0065a875e67163f9e815b"` [INFO] running `"docker" "rm" "-f" "64e33ecd1737d949394634976b87767e3fc3f3f033e0065a875e67163f9e815b"` [INFO] [stdout] 64e33ecd1737d949394634976b87767e3fc3f3f033e0065a875e67163f9e815b