[INFO] cloning repository https://github.com/ihawn/MazeCruncher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihawn/MazeCruncher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihawn%2FMazeCruncher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihawn%2FMazeCruncher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fb0e81aa7ead8c08e976d3b5040bcc073aa334e9 [INFO] checking ihawn/MazeCruncher against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihawn%2FMazeCruncher" "/workspace/builds/worker-61/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ihawn/MazeCruncher on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ihawn/MazeCruncher [INFO] finished tweaking git repo https://github.com/ihawn/MazeCruncher [INFO] tweaked toml for git repo https://github.com/ihawn/MazeCruncher written to /workspace/builds/worker-61/source/Cargo.toml [INFO] crate git repo https://github.com/ihawn/MazeCruncher already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca7c7f2f5eff555b95c225adb7a0cdf050acd2b8ad9342525977e06580ad044d [INFO] running `Command { std: "docker" "start" "-a" "ca7c7f2f5eff555b95c225adb7a0cdf050acd2b8ad9342525977e06580ad044d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca7c7f2f5eff555b95c225adb7a0cdf050acd2b8ad9342525977e06580ad044d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca7c7f2f5eff555b95c225adb7a0cdf050acd2b8ad9342525977e06580ad044d", kill_on_drop: false }` [INFO] [stdout] ca7c7f2f5eff555b95c225adb7a0cdf050acd2b8ad9342525977e06580ad044d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3a988fe0301025aa39b505da79a4b18cf623e73fb9439752691a786d9b47c43 [INFO] running `Command { std: "docker" "start" "-a" "c3a988fe0301025aa39b505da79a4b18cf623e73fb9439752691a786d9b47c43", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] 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[INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking ndarray v0.15.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling minifb v0.19.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking wayland-commons v0.28.6 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking wayland-cursor v0.28.6 [INFO] [stderr] Compiling xkbcommon-sys v0.7.5 [INFO] [stderr] Checking xkb v0.2.1 [INFO] [stderr] Checking MazeCruncher v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cell` [INFO] [stdout] --> src/generate.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell, vec}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `toimage` [INFO] [stdout] --> src/generate.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{solve::solve_maze, toimage}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::null` [INFO] [stdout] --> src/solve.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ptr::null; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/solve.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Key` [INFO] [stdout] --> src/solve.rs:4:14 [INFO] [stdout] | [INFO] [stdout] 4 | use minifb::{Key, Window, WindowOptions}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell` [INFO] [stdout] --> src/generate.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell, vec}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `toimage` [INFO] [stdout] --> src/generate.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{solve::solve_maze, toimage}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::null` [INFO] [stdout] --> src/solve.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ptr::null; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/solve.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Key` [INFO] [stdout] --> src/solve.rs:4:14 [INFO] [stdout] | [INFO] [stdout] 4 | use minifb::{Key, Window, WindowOptions}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/generate.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | for k in 0..itt [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `anim_scale` [INFO] [stdout] --> src/solve.rs:197:83 [INFO] [stdout] | [INFO] [stdout] 197 | fn _2d_to_flat_color(mtx: &Vec>, size: usize, mut n: usize, mut b: usize, anim_scale: usize) -> u32 [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_anim_scale` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut trimmed: String = input.trim().to_string().to_lowercase(); [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/solve.rs:197:55 [INFO] [stdout] | [INFO] [stdout] 197 | fn _2d_to_flat_color(mtx: &Vec>, size: usize, mut n: usize, mut b: usize, anim_scale: usize) -> u32 [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/solve.rs:197:69 [INFO] [stdout] | [INFO] [stdout] 197 | fn _2d_to_flat_color(mtx: &Vec>, size: usize, mut n: usize, mut b: usize, anim_scale: usize) -> u32 [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_matrix` [INFO] [stdout] --> src/generate.rs:151:4 [INFO] [stdout] | [INFO] [stdout] 151 | fn print_matrix(mtx: &Vec>, size: usize) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `MazeCruncher` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `maze_cruncher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/generate.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let N = size; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/generate.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let M = size; [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/generate.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | for k in 0..itt [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `anim_scale` [INFO] [stdout] --> src/solve.rs:197:83 [INFO] [stdout] | [INFO] [stdout] 197 | fn _2d_to_flat_color(mtx: &Vec>, size: usize, mut n: usize, mut b: usize, anim_scale: usize) -> u32 [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_anim_scale` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut trimmed: String = input.trim().to_string().to_lowercase(); [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: unused `Result` that must be used [INFO] [stdout] --> src/toimage.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | image.save(name); [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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solve.rs:197:55 [INFO] [stdout] | [INFO] [stdout] 197 | fn _2d_to_flat_color(mtx: &Vec>, size: usize, mut n: usize, mut b: usize, anim_scale: usize) -> u32 [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/solve.rs:197:69 [INFO] [stdout] | [INFO] [stdout] 197 | fn _2d_to_flat_color(mtx: &Vec>, size: usize, mut n: usize, mut b: usize, anim_scale: usize) -> u32 [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_matrix` [INFO] [stdout] --> src/generate.rs:151:4 [INFO] [stdout] | [INFO] [stdout] 151 | fn print_matrix(mtx: &Vec>, size: usize) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `MazeCruncher` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `maze_cruncher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/generate.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let N = size; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/generate.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let M = size; [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/toimage.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | image.save(name); [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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.61s [INFO] running `Command { std: "docker" "inspect" "c3a988fe0301025aa39b505da79a4b18cf623e73fb9439752691a786d9b47c43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3a988fe0301025aa39b505da79a4b18cf623e73fb9439752691a786d9b47c43", kill_on_drop: false }` [INFO] [stdout] c3a988fe0301025aa39b505da79a4b18cf623e73fb9439752691a786d9b47c43