[INFO] cloning repository https://github.com/trbarrett/mazes-for-programmers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trbarrett/mazes-for-programmers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrbarrett%2Fmazes-for-programmers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrbarrett%2Fmazes-for-programmers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75d0f290447de227d1645e6267dce93a6d62859e [INFO] checking trbarrett/mazes-for-programmers against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrbarrett%2Fmazes-for-programmers" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/trbarrett/mazes-for-programmers [INFO] finished tweaking git repo https://github.com/trbarrett/mazes-for-programmers [INFO] tweaked toml for git repo https://github.com/trbarrett/mazes-for-programmers written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/trbarrett/mazes-for-programmers on toolchain f21fbac535ab2c3bc50db20547f4d48477357103 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/trbarrett/mazes-for-programmers 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded archery v0.3.0 [INFO] [stderr] Downloaded pistoncore-window v0.43.0 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.61.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.48.0 [INFO] [stderr] Downloaded pistoncore-input v0.28.0 [INFO] [stderr] Downloaded piston2d-graphics v0.32.0 [INFO] [stderr] Downloaded bitmaps v2.0.0 [INFO] [stderr] Downloaded gfx_device_gl v0.15.5 [INFO] [stderr] Downloaded glutin v0.19.0 [INFO] [stderr] Downloaded derivative v1.0.3 [INFO] [stderr] Downloaded rpds v0.7.0 [INFO] [stderr] Downloaded sized-chunks v0.5.1 [INFO] [stderr] Downloaded winit v0.18.1 [INFO] [stderr] Downloaded piston v0.48.0 [INFO] [stderr] Downloaded im v14.2.0 [INFO] [stderr] Downloaded piston-gfx_texture v0.36.0 [INFO] [stderr] Downloaded piston2d-gfx_graphics v0.61.0 [INFO] [stderr] Downloaded piston_window v0.98.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97ce72cebf746a5338d984d1c346178b03684b158ac1fdec002d4619d172ec31 [INFO] running `Command { std: "docker" "start" "-a" "97ce72cebf746a5338d984d1c346178b03684b158ac1fdec002d4619d172ec31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97ce72cebf746a5338d984d1c346178b03684b158ac1fdec002d4619d172ec31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97ce72cebf746a5338d984d1c346178b03684b158ac1fdec002d4619d172ec31", kill_on_drop: false }` [INFO] [stdout] 97ce72cebf746a5338d984d1c346178b03684b158ac1fdec002d4619d172ec31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1fc7043b9ca983bce7f1c749125d86ec2e2088e2fbd49a35e188810b0a5439c [INFO] running `Command { std: "docker" "start" "-a" "a1fc7043b9ca983bce7f1c749125d86ec2e2088e2fbd49a35e188810b0a5439c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking piston-float v1.0.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking rusttype v0.8.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking wayland-sys v0.21.13 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Checking piston-viewport v1.0.0 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling khronos_api v2.2.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Checking piston-graphics_api_version v0.2.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Checking draw_state v0.8.0 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking wayland-commons v0.21.13 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking gfx_core v0.8.3 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling gfx_gl v0.5.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking piston-texture v0.6.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking gfx v0.17.1 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Checking shader_version v0.6.0 [INFO] [stderr] Checking vecmath v1.0.0 [INFO] [stderr] Checking interpolation v0.2.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking read_color v1.0.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling im v14.2.0 [INFO] [stderr] Checking piston2d-graphics v0.32.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking bitmaps v2.0.0 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Checking piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Checking archery v0.3.0 [INFO] [stderr] Checking piston-gfx_texture v0.36.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking piston2d-gfx_graphics v0.61.0 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking gfx_device_gl v0.15.5 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking sized-chunks v0.5.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking rpds v0.7.0 [INFO] [stderr] Checking itertools v0.8.2 [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 piston v0.48.0 [INFO] [stderr] Checking smithay-client-toolkit v0.4.6 [INFO] [stderr] Checking winit v0.18.1 [INFO] [stderr] Checking pistoncore-glutin_window v0.61.0 [INFO] [stderr] Checking piston_window v0.98.0 [INFO] [stderr] Checking mazes-for-programmers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::slice::Iter` [INFO] [stdout] --> src/grid_primitives.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::slice::Iter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mutable_linked_grid::*` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use mutable_linked_grid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::slice::Iter` [INFO] [stdout] --> src/grid_primitives.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::slice::Iter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mutable_linked_grid::*` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use mutable_linked_grid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:175:21 [INFO] [stdout] | [INFO] [stdout] 175 | if let Some(args) = event.update_args() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dijkstraStartTime` should have a snake case name [INFO] [stdout] --> src/main.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | let mut dijkstraStartTime: Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `dijkstra_start_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/mutable_linked_grid.rs:253:17 [INFO] [stdout] | [INFO] [stdout] 253 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 253 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:175:21 [INFO] [stdout] | [INFO] [stdout] 175 | if let Some(args) = event.update_args() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `dijkstraStartTime` should have a snake case name [INFO] [stdout] --> src/main.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | let mut dijkstraStartTime: Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `dijkstra_start_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/mutable_linked_grid.rs:253:17 [INFO] [stdout] | [INFO] [stdout] 253 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 253 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s [INFO] running `Command { std: "docker" "inspect" "a1fc7043b9ca983bce7f1c749125d86ec2e2088e2fbd49a35e188810b0a5439c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1fc7043b9ca983bce7f1c749125d86ec2e2088e2fbd49a35e188810b0a5439c", kill_on_drop: false }` [INFO] [stdout] a1fc7043b9ca983bce7f1c749125d86ec2e2088e2fbd49a35e188810b0a5439c