[INFO] cloning repository https://github.com/Barbacamanitu/elementary_cellular_automata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Barbacamanitu/elementary_cellular_automata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarbacamanitu%2Felementary_cellular_automata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarbacamanitu%2Felementary_cellular_automata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] badcced0c09195f2486a1fbd4fb07012d73bbc73
[INFO] testing Barbacamanitu/elementary_cellular_automata against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarbacamanitu%2Felementary_cellular_automata" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Barbacamanitu/elementary_cellular_automata on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Barbacamanitu/elementary_cellular_automata
[INFO] finished tweaking git repo https://github.com/Barbacamanitu/elementary_cellular_automata
[INFO] tweaked toml for git repo https://github.com/Barbacamanitu/elementary_cellular_automata written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/Barbacamanitu/elementary_cellular_automata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf4d1561f0ea9013d3a54eac7b477684bb72bf57a1aebb603ea416c9e427bf6
[INFO] running `Command { std: "docker" "start" "-a" "ccf4d1561f0ea9013d3a54eac7b477684bb72bf57a1aebb603ea416c9e427bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf4d1561f0ea9013d3a54eac7b477684bb72bf57a1aebb603ea416c9e427bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf4d1561f0ea9013d3a54eac7b477684bb72bf57a1aebb603ea416c9e427bf6", kill_on_drop: false }`
[INFO] [stdout] ccf4d1561f0ea9013d3a54eac7b477684bb72bf57a1aebb603ea416c9e427bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6377822d19ba40b716a81a522149dfcc34b7231af252da030da2afb4ec4b47d
[INFO] running `Command { std: "docker" "start" "-a" "e6377822d19ba40b716a81a522149dfcc34b7231af252da030da2afb4ec4b47d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling elementary_cellular_automata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:100:16
[INFO] [stdout]     |
[INFO] [stdout] 100 |             if (!upl_b && !up_b && !upr_b) {
[INFO] [stdout]     |                ^                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -             if (!upl_b && !up_b && !upr_b) {
[INFO] [stdout] 100 +             if !upl_b && !up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:103:16
[INFO] [stdout]     |
[INFO] [stdout] 103 |             if (!upl_b && !up_b && upr_b) {
[INFO] [stdout]     |                ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -             if (!upl_b && !up_b && upr_b) {
[INFO] [stdout] 103 +             if !upl_b && !up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if (!upl_b && up_b && !upr_b) {
[INFO] [stdout]     |                ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -             if (!upl_b && up_b && !upr_b) {
[INFO] [stdout] 106 +             if !upl_b && up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |             if (!upl_b && up_b && upr_b) {
[INFO] [stdout]     |                ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -             if (!upl_b && up_b && upr_b) {
[INFO] [stdout] 109 +             if !upl_b && up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |             if (upl_b && !up_b && !upr_b) {
[INFO] [stdout]     |                ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -             if (upl_b && !up_b && !upr_b) {
[INFO] [stdout] 112 +             if upl_b && !up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:115:16
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if (upl_b && !up_b && upr_b) {
[INFO] [stdout]     |                ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             if (upl_b && !up_b && upr_b) {
[INFO] [stdout] 115 +             if upl_b && !up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |             if (upl_b && up_b && !upr_b) {
[INFO] [stdout]     |                ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 -             if (upl_b && up_b && !upr_b) {
[INFO] [stdout] 118 +             if upl_b && up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:121:16
[INFO] [stdout]     |
[INFO] [stdout] 121 |             if (upl_b && up_b && upr_b) {
[INFO] [stdout]     |                ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             if (upl_b && up_b && upr_b) {
[INFO] [stdout] 121 +             if upl_b && up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:162:16
[INFO] [stdout]     |
[INFO] [stdout] 162 |             if (is_kth_bit_set(rule, rule_idx)) {
[INFO] [stdout]     |                ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -             if (is_kth_bit_set(rule, rule_idx)) {
[INFO] [stdout] 162 +             if is_kth_bit_set(rule, rule_idx) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pix`
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut pix : Vec<Rgb<u8>> = vec![Rgb([255,255,255]); 8];
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_pix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let black = Rgb([0,0,0]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |     for (x, y, pixel) in img.enumerate_pixels_mut() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     for (x, y, pixel) in img.enumerate_pixels_mut() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     Err(err) => return Err("Couldnt parse rule"),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     Err(err) => return Err("Couldnt parse generations"),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut pix : Vec<Rgb<u8>> = vec![Rgb([255,255,255]); 8];
[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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.58s
[INFO] running `Command { std: "docker" "inspect" "e6377822d19ba40b716a81a522149dfcc34b7231af252da030da2afb4ec4b47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6377822d19ba40b716a81a522149dfcc34b7231af252da030da2afb4ec4b47d", kill_on_drop: false }`
[INFO] [stdout] e6377822d19ba40b716a81a522149dfcc34b7231af252da030da2afb4ec4b47d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da6e96a822a7933ba10f35aecea97266ee43493992e9da40d9e05332bfbdbd0e
[INFO] running `Command { std: "docker" "start" "-a" "da6e96a822a7933ba10f35aecea97266ee43493992e9da40d9e05332bfbdbd0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling elementary_cellular_automata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:100:16
[INFO] [stdout]     |
[INFO] [stdout] 100 |             if (!upl_b && !up_b && !upr_b) {
[INFO] [stdout]     |                ^                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -             if (!upl_b && !up_b && !upr_b) {
[INFO] [stdout] 100 +             if !upl_b && !up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:103:16
[INFO] [stdout]     |
[INFO] [stdout] 103 |             if (!upl_b && !up_b && upr_b) {
[INFO] [stdout]     |                ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -             if (!upl_b && !up_b && upr_b) {
[INFO] [stdout] 103 +             if !upl_b && !up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 |             if (!upl_b && up_b && !upr_b) {
[INFO] [stdout]     |                ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -             if (!upl_b && up_b && !upr_b) {
[INFO] [stdout] 106 +             if !upl_b && up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |             if (!upl_b && up_b && upr_b) {
[INFO] [stdout]     |                ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -             if (!upl_b && up_b && upr_b) {
[INFO] [stdout] 109 +             if !upl_b && up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |             if (upl_b && !up_b && !upr_b) {
[INFO] [stdout]     |                ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -             if (upl_b && !up_b && !upr_b) {
[INFO] [stdout] 112 +             if upl_b && !up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:115:16
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if (upl_b && !up_b && upr_b) {
[INFO] [stdout]     |                ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             if (upl_b && !up_b && upr_b) {
[INFO] [stdout] 115 +             if upl_b && !up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |             if (upl_b && up_b && !upr_b) {
[INFO] [stdout]     |                ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 -             if (upl_b && up_b && !upr_b) {
[INFO] [stdout] 118 +             if upl_b && up_b && !upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:121:16
[INFO] [stdout]     |
[INFO] [stdout] 121 |             if (upl_b && up_b && upr_b) {
[INFO] [stdout]     |                ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             if (upl_b && up_b && upr_b) {
[INFO] [stdout] 121 +             if upl_b && up_b && upr_b {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:162:16
[INFO] [stdout]     |
[INFO] [stdout] 162 |             if (is_kth_bit_set(rule, rule_idx)) {
[INFO] [stdout]     |                ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -             if (is_kth_bit_set(rule, rule_idx)) {
[INFO] [stdout] 162 +             if is_kth_bit_set(rule, rule_idx) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pix`
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut pix : Vec<Rgb<u8>> = vec![Rgb([255,255,255]); 8];
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_pix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let black = Rgb([0,0,0]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 |     for (x, y, pixel) in img.enumerate_pixels_mut() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     for (x, y, pixel) in img.enumerate_pixels_mut() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     Err(err) => return Err("Couldnt parse rule"),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/main.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     Err(err) => return Err("Couldnt parse generations"),
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut pix : Vec<Rgb<u8>> = vec![Rgb([255,255,255]); 8];
[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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "da6e96a822a7933ba10f35aecea97266ee43493992e9da40d9e05332bfbdbd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6e96a822a7933ba10f35aecea97266ee43493992e9da40d9e05332bfbdbd0e", kill_on_drop: false }`
[INFO] [stdout] da6e96a822a7933ba10f35aecea97266ee43493992e9da40d9e05332bfbdbd0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7034c4d3f52bd54112b19e3ceff67475ed073b133a7bd20fcd08d7aed0c99f8
[INFO] running `Command { std: "docker" "start" "-a" "f7034c4d3f52bd54112b19e3ceff67475ed073b133a7bd20fcd08d7aed0c99f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |             if (!upl_b && !up_b && !upr_b) {
[INFO] [stderr]     |                ^                         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 -             if (!upl_b && !up_b && !upr_b) {
[INFO] [stderr] 100 +             if !upl_b && !up_b && !upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:103:16
[INFO] [stderr]     |
[INFO] [stderr] 103 |             if (!upl_b && !up_b && upr_b) {
[INFO] [stderr]     |                ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 103 -             if (!upl_b && !up_b && upr_b) {
[INFO] [stderr] 103 +             if !upl_b && !up_b && upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:106:16
[INFO] [stderr]     |
[INFO] [stderr] 106 |             if (!upl_b && up_b && !upr_b) {
[INFO] [stderr]     |                ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 106 -             if (!upl_b && up_b && !upr_b) {
[INFO] [stderr] 106 +             if !upl_b && up_b && !upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |             if (!upl_b && up_b && upr_b) {
[INFO] [stderr]     |                ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 109 -             if (!upl_b && up_b && upr_b) {
[INFO] [stderr] 109 +             if !upl_b && up_b && upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:112:16
[INFO] [stderr]     |
[INFO] [stderr] 112 |             if (upl_b && !up_b && !upr_b) {
[INFO] [stderr]     |                ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 -             if (upl_b && !up_b && !upr_b) {
[INFO] [stderr] 112 +             if upl_b && !up_b && !upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:115:16
[INFO] [stderr]     |
[INFO] [stderr] 115 |             if (upl_b && !up_b && upr_b) {
[INFO] [stderr]     |                ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 115 -             if (upl_b && !up_b && upr_b) {
[INFO] [stderr] 115 +             if upl_b && !up_b && upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:118:16
[INFO] [stderr]     |
[INFO] [stderr] 118 |             if (upl_b && up_b && !upr_b) {
[INFO] [stderr]     |                ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 118 -             if (upl_b && up_b && !upr_b) {
[INFO] [stderr] 118 +             if upl_b && up_b && !upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:121:16
[INFO] [stderr]     |
[INFO] [stderr] 121 |             if (upl_b && up_b && upr_b) {
[INFO] [stderr]     |                ^                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 121 -             if (upl_b && up_b && upr_b) {
[INFO] [stderr] 121 +             if upl_b && up_b && upr_b {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:162:16
[INFO] [stderr]     |
[INFO] [stderr] 162 |             if (is_kth_bit_set(rule, rule_idx)) {
[INFO] [stderr]     |                ^                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 162 -             if (is_kth_bit_set(rule, rule_idx)) {
[INFO] [stderr] 162 +             if is_kth_bit_set(rule, rule_idx) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pix`
[INFO] [stderr]   --> src/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut pix : Vec<Rgb<u8>> = vec![Rgb([255,255,255]); 8];
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_pix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `black`
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let black = Rgb([0,0,0]);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:85:10
[INFO] [stderr]    |
[INFO] [stderr] 85 |     for (x, y, pixel) in img.enumerate_pixels_mut() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     for (x, y, pixel) in img.enumerate_pixels_mut() {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |                     Err(err) => return Err("Couldnt parse rule"),
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |                     Err(err) => return Err("Couldnt parse generations"),
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut pix : Vec<Rgb<u8>> = vec![Rgb([255,255,255]); 8];
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `elementary_cellular_automata` (bin "elementary_cellular_automata" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/elementary_cellular_automata-53b5272e8a5c71a0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7034c4d3f52bd54112b19e3ceff67475ed073b133a7bd20fcd08d7aed0c99f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7034c4d3f52bd54112b19e3ceff67475ed073b133a7bd20fcd08d7aed0c99f8", kill_on_drop: false }`
[INFO] [stdout] f7034c4d3f52bd54112b19e3ceff67475ed073b133a7bd20fcd08d7aed0c99f8