[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] checking klaatu01/maze-rs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaatu01%2Fmaze-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/klaatu01/maze-rs 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/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-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded piston2d-graphics v0.32.0 [INFO] [stderr] Downloaded piston_window v0.98.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.48.0 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.61.0 [INFO] [stderr] Downloaded piston v0.48.0 [INFO] [stderr] Downloaded piston-gfx_texture v0.36.0 [INFO] [stderr] Downloaded pistoncore-window v0.43.0 [INFO] [stderr] Downloaded piston2d-gfx_graphics v0.61.0 [INFO] running `Command { std: "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" "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] 64716d6dad44ae13438853035937e24fdb2a8625f7032457d34a5ca9626941e1 [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" "64716d6dad44ae13438853035937e24fdb2a8625f7032457d34a5ca9626941e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64716d6dad44ae13438853035937e24fdb2a8625f7032457d34a5ca9626941e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64716d6dad44ae13438853035937e24fdb2a8625f7032457d34a5ca9626941e1", kill_on_drop: false }` [INFO] [stdout] 64716d6dad44ae13438853035937e24fdb2a8625f7032457d34a5ca9626941e1 [INFO] running `Command { std: "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" "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] [stdout] c684c708cb472322e226bb542eaf8af69b7cd2eb5904ee372cdaf862cd8046ba [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" "c684c708cb472322e226bb542eaf8af69b7cd2eb5904ee372cdaf862cd8046ba", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking piston-float v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking piston-graphics_api_version v0.2.0 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling memchr v2.3.2 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking piston-texture v0.6.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking read_color v1.0.0 [INFO] [stderr] Checking interpolation v0.2.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking piston-viewport v1.0.0 [INFO] [stderr] Checking vecmath v1.0.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking shader_version v0.6.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Checking draw_state v0.8.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rusttype v0.8.2 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Checking wayland-sys v0.21.13 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Compiling gfx_gl v0.5.0 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Checking piston2d-graphics v0.32.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Checking bstr v0.2.11 [INFO] [stderr] Checking wayland-commons v0.21.13 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking gfx_core v0.8.3 [INFO] [stderr] Compiling proc-macro-error v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.9 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#bbb14f8b) [INFO] [stderr] Checking smithay-client-toolkit v0.4.6 [INFO] [stderr] Checking winit v0.18.1 [INFO] [stderr] Checking gfx v0.17.1 [INFO] [stderr] Checking gfx_device_gl v0.15.5 [INFO] [stderr] Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#bbb14f8b) [INFO] [stderr] Checking piston-gfx_texture v0.36.0 [INFO] [stderr] Checking piston2d-gfx_graphics v0.61.0 [INFO] [stderr] Checking pistoncore-input v0.28.0 [INFO] [stderr] Checking pistoncore-window v0.43.0 [INFO] [stderr] Checking pistoncore-event_loop v0.48.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.61.0 [INFO] [stderr] Checking piston v0.48.0 [INFO] [stderr] Checking piston_window v0.98.0 [INFO] [stderr] Checking maze v0.1.0 (/opt/rustwide/workdir) [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] = note: `#[warn(unreachable_patterns)]` 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] [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: unreachable pattern [INFO] [stdout] --> src/lib.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | _ => panic!("Algorithm Not Implemented"), [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/types/grid.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | _ => false, [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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 17s [INFO] running `Command { std: "docker" "inspect" "c684c708cb472322e226bb542eaf8af69b7cd2eb5904ee372cdaf862cd8046ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c684c708cb472322e226bb542eaf8af69b7cd2eb5904ee372cdaf862cd8046ba", kill_on_drop: false }` [INFO] [stdout] c684c708cb472322e226bb542eaf8af69b7cd2eb5904ee372cdaf862cd8046ba