[INFO] updating cached repository https://github.com/pixlark/rust-2048 [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] 5c4cad366c974d5471e6db2a1b727b8c9133b342 [INFO] checking pixlark/rust-2048 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/pixlark/rust-2048 on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pixlark/rust-2048 [INFO] finished tweaking git repo https://github.com/pixlark/rust-2048 [INFO] tweaked toml for git repo https://github.com/pixlark/rust-2048 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/pixlark/rust-2048 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] c7e8ada533101534733b38c76bc9ea1b2dfce08ba2e7138a6e4a829c3f7ab349 [INFO] running `"docker" "start" "-a" "c7e8ada533101534733b38c76bc9ea1b2dfce08ba2e7138a6e4a829c3f7ab349"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling game-2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking rand_isaac v0.1.0 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num v0.1.42 [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] [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 (notice the capitalization): `V2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [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 (notice the capitalization): `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: unused variable: `state_stack` [INFO] [stderr] --> src/main.rs:321:9 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_stack` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` 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: 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: associated function 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: unused variable: `state_stack` [INFO] [stderr] --> src/main.rs:321:9 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_stack` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PlayingState` [INFO] [stderr] --> src/main.rs:301:8 [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] | [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: 9 warnings emitted [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: associated function 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:301:8 [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] | [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: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.89s [INFO] running `"docker" "inspect" "c7e8ada533101534733b38c76bc9ea1b2dfce08ba2e7138a6e4a829c3f7ab349"` [INFO] running `"docker" "rm" "-f" "c7e8ada533101534733b38c76bc9ea1b2dfce08ba2e7138a6e4a829c3f7ab349"` [INFO] [stdout] c7e8ada533101534733b38c76bc9ea1b2dfce08ba2e7138a6e4a829c3f7ab349