[INFO] cloning repository https://github.com/billthemaxster/twenty_forty_eigth [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/billthemaxster/twenty_forty_eigth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillthemaxster%2Ftwenty_forty_eigth", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillthemaxster%2Ftwenty_forty_eigth'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 086545286b7c37c11b2cb8f98b457addc89d8dfc [INFO] checking billthemaxster/twenty_forty_eigth against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillthemaxster%2Ftwenty_forty_eigth" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/billthemaxster/twenty_forty_eigth [INFO] finished tweaking git repo https://github.com/billthemaxster/twenty_forty_eigth [INFO] tweaked toml for git repo https://github.com/billthemaxster/twenty_forty_eigth written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/billthemaxster/twenty_forty_eigth on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/billthemaxster/twenty_forty_eigth already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking billthemaxster/twenty_forty_eigth against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbillthemaxster%2Ftwenty_forty_eigth" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/billthemaxster/twenty_forty_eigth [INFO] finished tweaking git repo https://github.com/billthemaxster/twenty_forty_eigth [INFO] tweaked toml for git repo https://github.com/billthemaxster/twenty_forty_eigth written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/billthemaxster/twenty_forty_eigth on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/billthemaxster/twenty_forty_eigth already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.19 [INFO] [stderr] Downloaded ppv-lite86 v0.2.9 [INFO] [stderr] Downloaded syn v1.0.39 [INFO] [stderr] Downloaded rstest v0.6.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e72b88f75f4366cb964e4d67f6e8cfc40d002424883f49abc2e9082dd35e06f [INFO] running `Command { std: "docker" "start" "-a" "7e72b88f75f4366cb964e4d67f6e8cfc40d002424883f49abc2e9082dd35e06f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e72b88f75f4366cb964e4d67f6e8cfc40d002424883f49abc2e9082dd35e06f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e72b88f75f4366cb964e4d67f6e8cfc40d002424883f49abc2e9082dd35e06f", kill_on_drop: false }` [INFO] [stdout] 7e72b88f75f4366cb964e4d67f6e8cfc40d002424883f49abc2e9082dd35e06f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b10377ff175286438ac732bd698ad60f5e5c6cc7c6a6bcb61ba397d88c473a3 [INFO] running `Command { std: "docker" "start" "-a" "2b10377ff175286438ac732bd698ad60f5e5c6cc7c6a6bcb61ba397d88c473a3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rstest v0.6.4 [INFO] [stderr] Compiling quote v1.0.7 [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 twenty_forty_eight v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `get_grid`, `perform_move`, `perform_move_down`, and `perform_shunt_down` are never used [INFO] [stdout] --> src/engine/game.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Game { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_grid(&self) -> &Grid { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn perform_move(&mut self, direction: MoveDirection) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | fn perform_move_down(&mut self) -> Result, &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn perform_shunt_down(&mut self, column_index: u8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `MoveDirection` is never used [INFO] [stdout] --> src/engine/game.rs:119:10 [INFO] [stdout] | [INFO] [stdout] 119 | pub enum MoveDirection { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/engine/grid.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Tile { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 5 | pub value: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `move_tile` and `get_size` are never used [INFO] [stdout] --> src/engine/grid.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Grid { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn move_tile(&mut self, current_position: GridCoord, new_position: GridCoord) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn get_size(&self) -> u8{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_equal` is never used [INFO] [stdout] --> src/engine/grid_coord.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl GridCoord { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 8 | pub fn is_equal(&self, other: &GridCoord) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine/game.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | / match direction { [INFO] [stdout] 70 | | MoveDirection::Down => self.perform_move_down(), [INFO] [stdout] 71 | | _ => panic!(), [INFO] [stdout] 72 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = match direction { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_grid`, `perform_move`, `perform_move_down`, and `perform_shunt_down` are never used [INFO] [stdout] --> src/engine/game.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Game { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn get_grid(&self) -> &Grid { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn perform_move(&mut self, direction: MoveDirection) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | fn perform_move_down(&mut self) -> Result, &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn perform_shunt_down(&mut self, column_index: u8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `MoveDirection` is never used [INFO] [stdout] --> src/engine/game.rs:119:10 [INFO] [stdout] | [INFO] [stdout] 119 | pub enum MoveDirection { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `move_tile` is never used [INFO] [stdout] --> src/engine/grid.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Grid { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn move_tile(&mut self, current_position: GridCoord, new_position: GridCoord) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine/game.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | / match direction { [INFO] [stdout] 70 | | MoveDirection::Down => self.perform_move_down(), [INFO] [stdout] 71 | | _ => panic!(), [INFO] [stdout] 72 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = match direction { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.55s [INFO] running `Command { std: "docker" "inspect" "2b10377ff175286438ac732bd698ad60f5e5c6cc7c6a6bcb61ba397d88c473a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b10377ff175286438ac732bd698ad60f5e5c6cc7c6a6bcb61ba397d88c473a3", kill_on_drop: false }` [INFO] [stdout] 2b10377ff175286438ac732bd698ad60f5e5c6cc7c6a6bcb61ba397d88c473a3