[INFO] cloning repository https://github.com/DanielHeath/rustymaze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielHeath/rustymaze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielHeath%2Frustymaze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielHeath%2Frustymaze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 223343578de0824b76c3cb07d442f6f157866567
[INFO] testing DanielHeath/rustymaze against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielHeath%2Frustymaze" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanielHeath/rustymaze on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanielHeath/rustymaze
[INFO] finished tweaking git repo https://github.com/DanielHeath/rustymaze
[INFO] tweaked toml for git repo https://github.com/DanielHeath/rustymaze written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/DanielHeath/rustymaze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c33d439207f792230e9ddd898046cff501975682a2f1262f103b6732f937c1
[INFO] running `Command { std: "docker" "start" "-a" "14c33d439207f792230e9ddd898046cff501975682a2f1262f103b6732f937c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c33d439207f792230e9ddd898046cff501975682a2f1262f103b6732f937c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c33d439207f792230e9ddd898046cff501975682a2f1262f103b6732f937c1", kill_on_drop: false }`
[INFO] [stdout] 14c33d439207f792230e9ddd898046cff501975682a2f1262f103b6732f937c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d3d17431dec8e022b25dcf7bc91e9f7be8886759a4f4ab863a020fca84780a2
[INFO] running `Command { std: "docker" "start" "-a" "7d3d17431dec8e022b25dcf7bc91e9f7be8886759a4f4ab863a020fca84780a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling debug_print v1.0.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling image v0.23.9
[INFO] [stderr]    Compiling rustymaze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RgbImage`
[INFO] [stdout]  --> src/main.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{ImageBuffer, RgbImage};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Sub`
[INFO] [stdout]  --> src/rustymaze/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Add, Sub};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug_print::debug_println`
[INFO] [stdout]  --> src/rustymaze/prim.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use debug_print::debug_println;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/rustymaze/prim.rs:295:16
[INFO] [stdout]     |
[INFO] [stdout] 295 |             if (cell_x_over > maze.min_passage_width) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/rustymaze/prim.rs:303:16
[INFO] [stdout]     |
[INFO] [stdout] 303 |             if (cell_y_over > maze.min_passage_width) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/rustymaze/prim.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     entry: super::Region,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit`
[INFO] [stdout]    --> src/rustymaze/prim.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     exit: super::Region,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_exit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xy`
[INFO] [stdout]   --> src/rustymaze/prim.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn xy(&self, cellsx: usize) -> (usize, usize, usize, usize) {
[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: `shrink`
[INFO] [stdout]   --> src/rustymaze/mod.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 |   pub fn shrink(&self, point: Point) -> Region {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/rustymaze/prim.rs:232:24
[INFO] [stdout]     |
[INFO] [stdout] 232 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 233 | |                     "Invalid neighbor index exceeds {:?} (width {:?}): {:?}",
[INFO] [stdout] 234 | |                     cell_count, cellsx, neighbor
[INFO] [stdout] 235 | |                 ))
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 panic!(
[INFO] [stdout] 233 |                     "Invalid neighbor index exceeds {:?} (width {:?}): {:?}",
[INFO] [stdout] 234 |                     cell_count, cellsx, neighbor
[INFO] [stdout] 235 |                 )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neighborsProcessed` should have a snake case name
[INFO] [stdout]    --> src/rustymaze/prim.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let mut neighborsProcessed = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `neighbors_processed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.18s
[INFO] running `Command { std: "docker" "inspect" "7d3d17431dec8e022b25dcf7bc91e9f7be8886759a4f4ab863a020fca84780a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3d17431dec8e022b25dcf7bc91e9f7be8886759a4f4ab863a020fca84780a2", kill_on_drop: false }`
[INFO] [stdout] 7d3d17431dec8e022b25dcf7bc91e9f7be8886759a4f4ab863a020fca84780a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dfb92960aeab5cda42a643f4baa7edea75467375d0c60baed9516a5253c62bf
[INFO] running `Command { std: "docker" "start" "-a" "0dfb92960aeab5cda42a643f4baa7edea75467375d0c60baed9516a5253c62bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustymaze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RgbImage`
[INFO] [stdout]  --> src/main.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{ImageBuffer, RgbImage};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Sub`
[INFO] [stdout]  --> src/rustymaze/mod.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Add, Sub};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug_print::debug_println`
[INFO] [stdout]  --> src/rustymaze/prim.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use debug_print::debug_println;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/rustymaze/prim.rs:295:16
[INFO] [stdout]     |
[INFO] [stdout] 295 |             if (cell_x_over > maze.min_passage_width) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/rustymaze/prim.rs:303:16
[INFO] [stdout]     |
[INFO] [stdout] 303 |             if (cell_y_over > maze.min_passage_width) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/rustymaze/prim.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     entry: super::Region,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit`
[INFO] [stdout]    --> src/rustymaze/prim.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     exit: super::Region,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_exit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `xy`
[INFO] [stdout]   --> src/rustymaze/prim.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn xy(&self, cellsx: usize) -> (usize, usize, usize, usize) {
[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: `shrink`
[INFO] [stdout]   --> src/rustymaze/mod.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 |   pub fn shrink(&self, point: Point) -> Region {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/rustymaze/prim.rs:232:24
[INFO] [stdout]     |
[INFO] [stdout] 232 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 233 | |                     "Invalid neighbor index exceeds {:?} (width {:?}): {:?}",
[INFO] [stdout] 234 | |                     cell_count, cellsx, neighbor
[INFO] [stdout] 235 | |                 ))
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 panic!(
[INFO] [stdout] 233 |                     "Invalid neighbor index exceeds {:?} (width {:?}): {:?}",
[INFO] [stdout] 234 |                     cell_count, cellsx, neighbor
[INFO] [stdout] 235 |                 )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `neighborsProcessed` should have a snake case name
[INFO] [stdout]    --> src/rustymaze/prim.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let mut neighborsProcessed = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `neighbors_processed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0dfb92960aeab5cda42a643f4baa7edea75467375d0c60baed9516a5253c62bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfb92960aeab5cda42a643f4baa7edea75467375d0c60baed9516a5253c62bf", kill_on_drop: false }`
[INFO] [stdout] 0dfb92960aeab5cda42a643f4baa7edea75467375d0c60baed9516a5253c62bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 519c358aa33245cca6ed788ec7bbc8bf6fe67673514d9d29ebe4c4b6e1cdece8
[INFO] running `Command { std: "docker" "start" "-a" "519c358aa33245cca6ed788ec7bbc8bf6fe67673514d9d29ebe4c4b6e1cdece8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `RgbImage`
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/main.rs:2:26
[INFO] [stdout] test rustymaze::prim::tests::neighbors_works ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use image::{ImageBuffer, RgbImage};
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Add`, `Sub`
[INFO] [stderr]  --> src/rustymaze/mod.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Add, Sub};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug_print::debug_println`
[INFO] [stderr]  --> src/rustymaze/prim.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use debug_print::debug_println;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/rustymaze/prim.rs:295:16
[INFO] [stderr]     |
[INFO] [stderr] 295 |             if (cell_x_over > maze.min_passage_width) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/rustymaze/prim.rs:303:16
[INFO] [stderr]     |
[INFO] [stderr] 303 |             if (cell_y_over > maze.min_passage_width) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]    --> src/rustymaze/prim.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     entry: super::Region,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exit`
[INFO] [stderr]    --> src/rustymaze/prim.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     exit: super::Region,
[INFO] [stderr]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_exit`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `xy`
[INFO] [stderr]   --> src/rustymaze/prim.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn xy(&self, cellsx: usize) -> (usize, usize, usize, usize) {
[INFO] [stderr]    |        ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shrink`
[INFO] [stderr]   --> src/rustymaze/mod.rs:90:10
[INFO] [stderr]    |
[INFO] [stderr] 90 |   pub fn shrink(&self, point: Point) -> Region {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/rustymaze/prim.rs:232:24
[INFO] [stderr]     |
[INFO] [stderr] 232 |                   panic!(format!(
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 233 | |                     "Invalid neighbor index exceeds {:?} (width {:?}): {:?}",
[INFO] [stderr] 234 | |                     cell_count, cellsx, neighbor
[INFO] [stderr] 235 | |                 ))
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 panic!(
[INFO] [stderr] 233 |                     "Invalid neighbor index exceeds {:?} (width {:?}): {:?}",
[INFO] [stderr] 234 |                     cell_count, cellsx, neighbor
[INFO] [stderr] 235 |                 )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable `neighborsProcessed` should have a snake case name
[INFO] [stderr]    --> src/rustymaze/prim.rs:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let mut neighborsProcessed = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `neighbors_processed`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/generatemaze-69e72d7ce3fc6b59)
[INFO] running `Command { std: "docker" "inspect" "519c358aa33245cca6ed788ec7bbc8bf6fe67673514d9d29ebe4c4b6e1cdece8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519c358aa33245cca6ed788ec7bbc8bf6fe67673514d9d29ebe4c4b6e1cdece8", kill_on_drop: false }`
[INFO] [stdout] 519c358aa33245cca6ed788ec7bbc8bf6fe67673514d9d29ebe4c4b6e1cdece8