[INFO] updating cached repository pixlark/rust-2048 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/pixlark/rust-2048 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/pixlark/rust-2048" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/pixlark/rust-2048"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/pixlark/rust-2048'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pixlark/rust-2048" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/pixlark/rust-2048"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/pixlark/rust-2048'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5c4cad366c974d5471e6db2a1b727b8c9133b342 [INFO] sha for GitHub repo pixlark/rust-2048: 5c4cad366c974d5471e6db2a1b727b8c9133b342 [INFO] validating manifest of pixlark/rust-2048 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of pixlark/rust-2048 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing pixlark/rust-2048 [INFO] finished frobbing pixlark/rust-2048 [INFO] frobbed toml for pixlark/rust-2048 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/pixlark/rust-2048/Cargo.toml [INFO] started frobbing pixlark/rust-2048 [INFO] finished frobbing pixlark/rust-2048 [INFO] frobbed toml for pixlark/rust-2048 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/pixlark/rust-2048/Cargo.toml [INFO] crate pixlark/rust-2048 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking pixlark/rust-2048 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/pixlark/rust-2048:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8ce372be63512fed0dcf4be93fa3c5d1f973d71814029713abf67c04dc89981b [INFO] running `"docker" "start" "-a" "8ce372be63512fed0dcf4be93fa3c5d1f973d71814029713abf67c04dc89981b"` [INFO] [stderr] Compiling game-2048 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Checking sdl2 v0.31.0 [INFO] [stderr] warning: unused import: `sdl2::video::WindowContext` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use sdl2::video::WindowContext; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] warning: unused import: `sdl2::video::WindowContext` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use sdl2::video::WindowContext; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: type `v2` should have an upper camel case name [INFO] [stderr] --> src/main.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | struct v2 { [INFO] [stderr] | ^^ help: convert the identifier to upper camel case: `V2` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: type `v2` should have an upper camel case name [INFO] [stderr] --> src/main.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | struct v2 { [INFO] [stderr] | ^^ help: convert the identifier to upper camel case: `V2` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead [INFO] [stderr] --> src/main.rs:267:32 [INFO] [stderr] | [INFO] [stderr] 267 | let choice: u64 = *rng.choose(&[2, 4]).unwrap(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead [INFO] [stderr] --> src/main.rs:267:32 [INFO] [stderr] | [INFO] [stderr] 267 | let choice: u64 = *rng.choose(&[2, 4]).unwrap(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state_stack` [INFO] [stderr] --> src/main.rs:321:13 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_state_stack` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state_stack` [INFO] [stderr] --> src/main.rs:321:13 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_state_stack` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:321:9 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [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: method is never used: `get_fitness` [INFO] [stderr] --> src/main.rs:270:5 [INFO] [stderr] | [INFO] [stderr] 270 | fn get_fitness(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PlayingState` [INFO] [stderr] --> src/main.rs:301:1 [INFO] [stderr] | [INFO] [stderr] 301 | struct PlayingState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `color_map` should have an upper case name [INFO] [stderr] --> src/main.rs:27:16 [INFO] [stderr] | [INFO] [stderr] 27 | static ref color_map: HashMap = { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper case: `COLOR_MAP` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:159:21 [INFO] [stderr] | [INFO] [stderr] 159 | / canvas.copy( [INFO] [stderr] 160 | | &texture, [INFO] [stderr] 161 | | None, [INFO] [stderr] 162 | | Some(Rect::new( [INFO] [stderr] ... | [INFO] [stderr] 167 | | )), [INFO] [stderr] 168 | | ); [INFO] [stderr] | |______________________^ [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:321:9 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [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: method is never used: `get_fitness` [INFO] [stderr] --> src/main.rs:270:5 [INFO] [stderr] | [INFO] [stderr] 270 | fn get_fitness(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PlayingState` [INFO] [stderr] --> src/main.rs:301:1 [INFO] [stderr] | [INFO] [stderr] 301 | struct PlayingState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [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: static variable `color_map` should have an upper case name [INFO] [stderr] --> src/main.rs:27:16 [INFO] [stderr] | [INFO] [stderr] 27 | static ref color_map: HashMap = { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper case: `COLOR_MAP` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:159:21 [INFO] [stderr] | [INFO] [stderr] 159 | / canvas.copy( [INFO] [stderr] 160 | | &texture, [INFO] [stderr] 161 | | None, [INFO] [stderr] 162 | | Some(Rect::new( [INFO] [stderr] ... | [INFO] [stderr] 167 | | )), [INFO] [stderr] 168 | | ); [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 5.23s [INFO] running `"docker" "inspect" "8ce372be63512fed0dcf4be93fa3c5d1f973d71814029713abf67c04dc89981b"` [INFO] running `"docker" "rm" "-f" "8ce372be63512fed0dcf4be93fa3c5d1f973d71814029713abf67c04dc89981b"` [INFO] [stdout] 8ce372be63512fed0dcf4be93fa3c5d1f973d71814029713abf67c04dc89981b