[INFO] updating cached repository https://github.com/slier81/Tetris [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] b4e37baeb08d5e243ff4bd5acd333fe5c88461af [INFO] checking slier81/Tetris against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslier81%2FTetris" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/slier81/Tetris on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/slier81/Tetris [INFO] finished tweaking git repo https://github.com/slier81/Tetris [INFO] tweaked toml for git repo https://github.com/slier81/Tetris written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/slier81/Tetris already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 3fb48c6feb70f0a56ddb480f0ad0e584e2b14f987411e7b14a6d70aaa44bafb9 [INFO] running `"docker" "start" "-a" "3fb48c6feb70f0a56ddb480f0ad0e584e2b14f987411e7b14a6d70aaa44bafb9"` [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling rust_sdl v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] warning: unused imports: `WindowContext`, `Window` [INFO] [stderr] --> src/main.rs:7:19 [INFO] [stderr] | [INFO] [stderr] 7 | use sdl2::video::{Window, WindowContext}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Canvas`, `TextureCreator`, `Texture` [INFO] [stderr] --> src/main.rs:9:20 [INFO] [stderr] | [INFO] [stderr] 9 | use sdl2::render::{Canvas, TextureCreator, Texture}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `WindowContext`, `Window` [INFO] [stderr] --> src/main.rs:7:19 [INFO] [stderr] | [INFO] [stderr] 7 | use sdl2::video::{Window, WindowContext}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Canvas`, `TextureCreator`, `Texture` [INFO] [stderr] --> src/main.rs:9:20 [INFO] [stderr] | [INFO] [stderr] 9 | use sdl2::render::{Canvas, TextureCreator, Texture}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut square_type = match timer.elapsed() { [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:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | let mut square = if square_type { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write_to_file` [INFO] [stderr] --> src/util.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn write_to_file(content: &str, filename: &str) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_from_file` [INFO] [stderr] --> src/util.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn read_from_file(filename: &str) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `slice_to_string` [INFO] [stderr] --> src/util.rs:46:1 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn slice_to_string(slice: &[u32]) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `save_highscores_and_lines` [INFO] [stderr] --> src/util.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn save_highscores_and_lines(highscores: &[u32], number_of_lines: &[u32]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `line_to_slice` [INFO] [stderr] --> src/util.rs:56:1 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn line_to_slice(line: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `load_highscores_and_lines` [INFO] [stderr] --> src/util.rs:60:1 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn load_highscores_and_lines() -> Option<(Vec, Vec)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/util.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | f.read_to_string(&mut content); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut square_type = match timer.elapsed() { [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:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | let mut square = if square_type { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write_to_file` [INFO] [stderr] --> src/util.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn write_to_file(content: &str, filename: &str) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_from_file` [INFO] [stderr] --> src/util.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn read_from_file(filename: &str) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `slice_to_string` [INFO] [stderr] --> src/util.rs:46:1 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn slice_to_string(slice: &[u32]) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `save_highscores_and_lines` [INFO] [stderr] --> src/util.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn save_highscores_and_lines(highscores: &[u32], number_of_lines: &[u32]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `line_to_slice` [INFO] [stderr] --> src/util.rs:56:1 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn line_to_slice(line: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `load_highscores_and_lines` [INFO] [stderr] --> src/util.rs:60:1 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn load_highscores_and_lines() -> Option<(Vec, Vec)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/util.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | f.read_to_string(&mut content); [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 11.05s [INFO] running `"docker" "inspect" "3fb48c6feb70f0a56ddb480f0ad0e584e2b14f987411e7b14a6d70aaa44bafb9"` [INFO] running `"docker" "rm" "-f" "3fb48c6feb70f0a56ddb480f0ad0e584e2b14f987411e7b14a6d70aaa44bafb9"` [INFO] [stdout] 3fb48c6feb70f0a56ddb480f0ad0e584e2b14f987411e7b14a6d70aaa44bafb9