[INFO] cloning repository https://github.com/danipardo/2048 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danipardo/2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanipardo%2F2048", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanipardo%2F2048'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10d8b0deca2dde7c63e8c6e171ddf22003c48e0e [INFO] checking danipardo/2048 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanipardo%2F2048" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danipardo/2048 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danipardo/2048 [INFO] finished tweaking git repo https://github.com/danipardo/2048 [INFO] tweaked toml for git repo https://github.com/danipardo/2048 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/danipardo/2048 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (sdl2) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hermit-abi v0.1.14 [INFO] [stderr] Downloaded version-compare v0.0.10 [INFO] [stderr] Downloaded simple_logger v1.6.0 [INFO] [stderr] Downloaded colored v1.9.3 [INFO] [stderr] Downloaded ppv-lite86 v0.2.9 [INFO] [stderr] Downloaded chrono v0.4.11 [INFO] [stderr] Downloaded getrandom v0.1.15 [INFO] [stderr] Downloaded sdl2 v0.34.2 [INFO] [stderr] Downloaded sdl2-sys v0.34.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b7e6be90be89250d8265ce9ce85eb164b98ee139b1c6c136e775627110621b5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2b7e6be90be89250d8265ce9ce85eb164b98ee139b1c6c136e775627110621b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b7e6be90be89250d8265ce9ce85eb164b98ee139b1c6c136e775627110621b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b7e6be90be89250d8265ce9ce85eb164b98ee139b1c6c136e775627110621b5", kill_on_drop: false }` [INFO] [stdout] 2b7e6be90be89250d8265ce9ce85eb164b98ee139b1c6c136e775627110621b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 655f0e85a1ce943bebfa7ec632d1d6a0249cc08c62dbbbc1ae632354e5534596 [INFO] running `Command { std: "docker" "start" "-a" "655f0e85a1ce943bebfa7ec632d1d6a0249cc08c62dbbbc1ae632354e5534596", kill_on_drop: false }` [INFO] [stderr] warning: dependency (sdl2) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling sdl2 v0.34.2 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Compiling sdl2-sys v0.34.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking simple_logger v1.6.0 [INFO] [stderr] Checking t2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/board.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | if (index > 0) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/board.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | if (index > 0) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_board` is never read [INFO] [stdout] --> src/board.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut new_board = [[0u16; 4]; 4]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut result = slide_row(input); [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: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut result = combine_row(&result); [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/board.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let mut result = slide_row(&result); [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/board.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut rand : f32 = rand::thread_rng().gen(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_board` is never read [INFO] [stdout] --> src/board.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut new_board = [[0u16; 4]; 4]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut result = slide_row(input); [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: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut result = combine_row(&result); [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/board.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let mut result = slide_row(&result); [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/board.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut rand : f32 = rand::thread_rng().gen(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `score` [INFO] [stdout] --> src/board.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | score: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_rev` [INFO] [stdout] --> src/board.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn find_rev(input: &[u16; 4], n: usize) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_cells` [INFO] [stdout] --> src/board.rs:131:12 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn set_cells(&mut self, input: [[u16; 4]; 4]) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print` [INFO] [stdout] --> src/board.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `texture_manager` [INFO] [stdout] --> src/game.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | texture_manager: TextureManager<'a, WindowContext>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `match_sound` [INFO] [stdout] --> src/game.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | match_sound: Chunk, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `score` [INFO] [stdout] --> src/board.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | score: u16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_rev` [INFO] [stdout] --> src/board.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn find_rev(input: &[u16; 4], n: usize) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_cells` [INFO] [stdout] --> src/board.rs:131:12 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn set_cells(&mut self, input: [[u16; 4]; 4]) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `texture_manager` [INFO] [stdout] --> src/game.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | texture_manager: TextureManager<'a, WindowContext>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `match_sound` [INFO] [stdout] --> src/game.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | match_sound: Chunk, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/game.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | self.channel.play(&self.move_sound, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/game.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | self.channel.play(&self.move_sound, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.93s [INFO] running `Command { std: "docker" "inspect" "655f0e85a1ce943bebfa7ec632d1d6a0249cc08c62dbbbc1ae632354e5534596", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "655f0e85a1ce943bebfa7ec632d1d6a0249cc08c62dbbbc1ae632354e5534596", kill_on_drop: false }` [INFO] [stdout] 655f0e85a1ce943bebfa7ec632d1d6a0249cc08c62dbbbc1ae632354e5534596