[INFO] cloning repository https://github.com/02alexander/maze-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/02alexander/maze-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4303321d53fdbde07fa4a170dc2621ef0f8172fb
[INFO] checking 02alexander/maze-solver against master#d5419f1e97b90741d51841f800d3c697c662567d for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/02alexander/maze-solver
[INFO] finished tweaking git repo https://github.com/02alexander/maze-solver
[INFO] tweaked toml for git repo https://github.com/02alexander/maze-solver written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/02alexander/maze-solver on toolchain d5419f1e97b90741d51841f800d3c697c662567d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/02alexander/maze-solver 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" "+d5419f1e97b90741d51841f800d3c697c662567d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded imagefmt v4.0.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8e2adafbe8f58be42f67791cd31469b176cfba567de888b1aced5281b763666
[INFO] running `Command { std: "docker" "start" "-a" "e8e2adafbe8f58be42f67791cd31469b176cfba567de888b1aced5281b763666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8e2adafbe8f58be42f67791cd31469b176cfba567de888b1aced5281b763666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e2adafbe8f58be42f67791cd31469b176cfba567de888b1aced5281b763666", kill_on_drop: false }`
[INFO] [stdout] e8e2adafbe8f58be42f67791cd31469b176cfba567de888b1aced5281b763666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb44604bc32f9bb1add628174e16623c08368f85ae012d198afa092f2835013
[INFO] running `Command { std: "docker" "start" "-a" "0bb44604bc32f9bb1add628174e16623c08368f85ae012d198afa092f2835013", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking imagefmt v4.0.0
[INFO] [stderr]     Checking maze-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `read` and `write`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use imagefmt::{read, write, ColFmt, ColType};
[INFO] [stdout]   |                ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::drop`
[INFO] [stdout]  --> src/tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem::drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> src/path_to_end.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::tree::{QuaternaryTree, Node, Link};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `read` and `write`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use imagefmt::{read, write, ColFmt, ColType};
[INFO] [stdout]   |                ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::drop`
[INFO] [stdout]  --> src/tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem::drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tree.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut cur = &mut *next.take().unwrap();
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tree.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut cur = &mut *next.take().unwrap();
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
[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] 20 |     let _ = imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
[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] 20 |     let _ = imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "0bb44604bc32f9bb1add628174e16623c08368f85ae012d198afa092f2835013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb44604bc32f9bb1add628174e16623c08368f85ae012d198afa092f2835013", kill_on_drop: false }`
[INFO] [stdout] 0bb44604bc32f9bb1add628174e16623c08368f85ae012d198afa092f2835013
