[INFO] cloning repository https://github.com/klaatu01/maze-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klaatu01/maze-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaatu01%2Fmaze-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaatu01%2Fmaze-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f452bae65d20f9c47956e1b84447b16680053b2b [INFO] testing klaatu01/maze-rs against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaatu01%2Fmaze-rs" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/klaatu01/maze-rs on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/klaatu01/maze-rs [INFO] finished tweaking git repo https://github.com/klaatu01/maze-rs [INFO] tweaked toml for git repo https://github.com/klaatu01/maze-rs written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/klaatu01/maze-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fbc051cdaf278c76a42cdd73a711fa3fe0d2f435d793eb98542094744953771 [INFO] running `Command { std: "docker" "start" "-a" "0fbc051cdaf278c76a42cdd73a711fa3fe0d2f435d793eb98542094744953771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fbc051cdaf278c76a42cdd73a711fa3fe0d2f435d793eb98542094744953771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fbc051cdaf278c76a42cdd73a711fa3fe0d2f435d793eb98542094744953771", kill_on_drop: false }` [INFO] [stdout] 0fbc051cdaf278c76a42cdd73a711fa3fe0d2f435d793eb98542094744953771 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b2588f3a714cf49294e7e3b1139ac9bd957d2bca73695bfb07acb20979d8711 [INFO] running `Command { std: "docker" "start" "-a" "4b2588f3a714cf49294e7e3b1139ac9bd957d2bca73695bfb07acb20979d8711", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling khronos_api v2.2.0 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling downcast-rs v1.1.1 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling memchr v2.3.2 [INFO] [stderr] Compiling piston-texture v0.6.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling encode_unicode v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling wayland-sys v0.21.13 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling gfx_gl v0.5.0 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling rusttype v0.8.2 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling piston2d-graphics v0.32.0 [INFO] [stderr] Compiling wayland-commons v0.21.13 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Compiling bstr v0.2.11 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling prettytable-rs v0.8.0 [INFO] [stderr] Compiling proc-macro-error v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.9 [INFO] [stderr] Compiling image v0.21.3 [INFO] [stderr] Compiling gfx_core v0.8.3 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#bbb14f8b) [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling gfx_device_gl v0.15.5 [INFO] [stderr] Compiling piston-gfx_texture v0.36.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.61.0 [INFO] [stderr] Compiling clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#bbb14f8b) [INFO] [stderr] Compiling pistoncore-input v0.28.0 [INFO] [stderr] Compiling pistoncore-window v0.43.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.48.0 [INFO] [stderr] Compiling piston v0.48.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.4.6 [INFO] [stderr] Compiling winit v0.18.1 [INFO] [stderr] Compiling pistoncore-glutin_window v0.61.0 [INFO] [stderr] Compiling piston_window v0.98.0 [INFO] [stderr] Compiling maze v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/types/grid.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | _ => false, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | _ => panic!("Algorithm Not Implemented"), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/disp/display.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let width = self.window.size().width; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/types/grid.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | for j in 0..self.y { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/types/grid.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | for i in 0..self.x {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/disp/ascii.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut chunk = &grid.index(x, y); [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: struct is never constructed: `Display` [INFO] [stdout] --> src/disp/display.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Display { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/disp/display.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(grid: Grid, window: PistonWindow) -> Display { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `update` [INFO] [stdout] --> src/disp/display.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn update(&mut self, event: Event) -> () { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `grid_build_time` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let grid_build_time = grid_build_instant.elapsed().as_millis(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.49s [INFO] running `Command { std: "docker" "inspect" "4b2588f3a714cf49294e7e3b1139ac9bd957d2bca73695bfb07acb20979d8711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b2588f3a714cf49294e7e3b1139ac9bd957d2bca73695bfb07acb20979d8711", kill_on_drop: false }` [INFO] [stdout] 4b2588f3a714cf49294e7e3b1139ac9bd957d2bca73695bfb07acb20979d8711 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 891d7ab3a655adf7561783942f0f87c3b1e0e04914877654e30beedd8566ee26 [INFO] running `Command { std: "docker" "start" "-a" "891d7ab3a655adf7561783942f0f87c3b1e0e04914877654e30beedd8566ee26", kill_on_drop: false }` [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/types/grid.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | _ => false, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | _ => panic!("Algorithm Not Implemented"), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/disp/display.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let width = self.window.size().width; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/types/grid.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | for j in 0..self.y { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/types/grid.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | for i in 0..self.x {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/disp/ascii.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut chunk = &grid.index(x, y); [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: struct is never constructed: `Display` [INFO] [stdout] --> src/disp/display.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Display { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/disp/display.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(grid: Grid, window: PistonWindow) -> Display { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `update` [INFO] [stdout] --> src/disp/display.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn update(&mut self, event: Event) -> () { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling maze v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `grid_build_time` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let grid_build_time = grid_build_instant.elapsed().as_millis(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `grid_build_time` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let grid_build_time = grid_build_instant.elapsed().as_millis(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/types/grid.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | _ => false, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | _ => panic!("Algorithm Not Implemented"), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> src/disp/display.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let width = self.window.size().width; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/types/grid.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | for j in 0..self.y { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/types/grid.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | for i in 0..self.x {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/disp/ascii.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut chunk = &grid.index(x, y); [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: struct is never constructed: `Display` [INFO] [stdout] --> src/disp/display.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Display { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/disp/display.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(grid: Grid, window: PistonWindow) -> Display { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `update` [INFO] [stdout] --> src/disp/display.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn update(&mut self, event: Event) -> () { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.57s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/maze-95d108ad2b0308cc) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/maze_gen-7e99e55f44f6ec55) [INFO] [stderr] Executable tests/grid-test.rs (/opt/rustwide/target/debug/deps/grid_test-1e6eaf46726391a3) [INFO] running `Command { std: "docker" "inspect" "891d7ab3a655adf7561783942f0f87c3b1e0e04914877654e30beedd8566ee26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "891d7ab3a655adf7561783942f0f87c3b1e0e04914877654e30beedd8566ee26", kill_on_drop: false }` [INFO] [stdout] 891d7ab3a655adf7561783942f0f87c3b1e0e04914877654e30beedd8566ee26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5a64ee720af53f972c4dd385f92e625841cf3f29a6b300cb4d124d3b8cdd63b4 [INFO] running `Command { std: "docker" "start" "-a" "5a64ee720af53f972c4dd385f92e625841cf3f29a6b300cb4d124d3b8cdd63b4", 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] warning: unreachable pattern [INFO] [stderr] --> src/types/grid.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | _ => false, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/lib.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | _ => panic!("Algorithm Not Implemented"), [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `width` [INFO] [stderr] --> src/disp/display.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | let width = self.window.size().width; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/types/grid.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | for j in 0..self.y { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/types/grid.rs:57:17 [INFO] [stderr] | [INFO] [stderr] 57 | for i in 0..self.x {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/disp/ascii.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let mut chunk = &grid.index(x, y); [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: struct is never constructed: `Display` [INFO] [stderr] --> src/disp/display.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Display { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/disp/display.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn new(grid: Grid, window: PistonWindow) -> Display { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `update` [INFO] [stderr] --> src/disp/display.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn update(&mut self, event: Event) -> () { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `maze` (lib) generated 9 warnings [INFO] [stderr] warning: `maze` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] warning: unused variable: `grid_build_time` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let grid_build_time = grid_build_instant.elapsed().as_millis(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `maze` (bin "maze-gen") generated 1 warning [INFO] [stderr] warning: `maze` (bin "maze-gen" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.57s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maze-95d108ad2b0308cc) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/maze_gen-7e99e55f44f6ec55) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/grid-test.rs (/opt/rustwide/target/debug/deps/grid_test-1e6eaf46726391a3) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test creates_grid_with_dims ... ok [INFO] [stdout] test creates_grid_with_borders ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- creates_grid_with_borders stdout ---- [INFO] [stdout] thread 'creates_grid_with_borders' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `1`, [INFO] [stdout] right: `0`', tests/grid-test.rs:20:17 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56452a3d308d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x56452a3d308d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56452a3d308d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x56452a3d308d - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x56452a3f599c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x56452a3cfa51 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x56452a3d4dd5 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x56452a3d4dd5 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x56452a3d4dd5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x56452a3d4ac4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x56452a3d5322 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x56452a3d5207 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x56452a3d3544 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x56452a3d4f39 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x56452a3743e3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x56452a3f4568 - core::panicking::assert_failed_inner::h337b271ded48bc15 [INFO] [stdout] 16: 0x56452a3b364a - core::panicking::assert_failed::h79cf491d8f52348f [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:182:5 [INFO] [stdout] 17: 0x56452a374e35 - grid_test::creates_grid_with_borders::h38f0fdaddbf8f978 [INFO] [stdout] at /opt/rustwide/workdir/tests/grid-test.rs:20:17 [INFO] [stdout] 18: 0x56452a37498a - grid_test::creates_grid_with_borders::{{closure}}::h33795c84e1c61ea7 [INFO] [stdout] at /opt/rustwide/workdir/tests/grid-test.rs:11:1 [INFO] [stdout] 19: 0x56452a37516e - core::ops::function::FnOnce::call_once::hf0fc9affd603bf64 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x56452a3aa593 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x56452a3aa593 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x56452a3a9349 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 23: 0x56452a3a9349 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x56452a3a9349 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x56452a3a9349 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x56452a3a9349 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x56452a3a9349 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x56452a3a9349 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x56452a3754fe - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x56452a3754fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x56452a37aa68 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x56452a37aa68 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x56452a37aa68 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x56452a37aa68 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x56452a37aa68 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x56452a37aa68 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x56452a37aa68 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x56452a3d9b33 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x56452a3d9b33 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 40: 0x56452a3d9b33 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7fe6f646a609 - start_thread [INFO] [stdout] 42: 0x7fe6f6240163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] creates_grid_with_borders [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test grid-test' [INFO] running `Command { std: "docker" "inspect" "5a64ee720af53f972c4dd385f92e625841cf3f29a6b300cb4d124d3b8cdd63b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a64ee720af53f972c4dd385f92e625841cf3f29a6b300cb4d124d3b8cdd63b4", kill_on_drop: false }` [INFO] [stdout] 5a64ee720af53f972c4dd385f92e625841cf3f29a6b300cb4d124d3b8cdd63b4