[INFO] cloning repository https://github.com/your-diary/labyrinth_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/your-diary/labyrinth_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyour-diary%2Flabyrinth_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyour-diary%2Flabyrinth_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24978c607814f7deb4c22c1d57442d0693b4a279
[INFO] checking your-diary/labyrinth_generator against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyour-diary%2Flabyrinth_generator" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/your-diary/labyrinth_generator on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/your-diary/labyrinth_generator
[INFO] finished tweaking git repo https://github.com/your-diary/labyrinth_generator
[INFO] tweaked toml for git repo https://github.com/your-diary/labyrinth_generator written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/your-diary/labyrinth_generator 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4083ad2d0e2a33ece81a0826247a0ff397672763e68f592fbdbf5d724f1949ad
[INFO] running `Command { std: "docker" "start" "-a" "4083ad2d0e2a33ece81a0826247a0ff397672763e68f592fbdbf5d724f1949ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4083ad2d0e2a33ece81a0826247a0ff397672763e68f592fbdbf5d724f1949ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4083ad2d0e2a33ece81a0826247a0ff397672763e68f592fbdbf5d724f1949ad", kill_on_drop: false }`
[INFO] [stdout] 4083ad2d0e2a33ece81a0826247a0ff397672763e68f592fbdbf5d724f1949ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 006f086754fdfd683236ce6124631670b9d5730546bc2da4d71bcc91cdf60ab7
[INFO] running `Command { std: "docker" "start" "-a" "006f086754fdfd683236ce6124631670b9d5730546bc2da4d71bcc91cdf60ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking labyrinth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if (args.len() != 2) {
[INFO] [stdout]    |            ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         if (args.len() != 2) {
[INFO] [stdout] 21 +         if args.len() != 2 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if (width < 3) {
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -         if (width < 3) {
[INFO] [stdout] 33 +         if width < 3 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if (height < 3) {
[INFO] [stdout]    |            ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         if (height < 3) {
[INFO] [stdout] 37 +         if height < 3 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let s = if (m[i][j]) { "■" } else { " " };
[INFO] [stdout]    |                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             let s = if (m[i][j]) { "■" } else { " " };
[INFO] [stdout] 56 +             let s = if m[i][j] { "■" } else { " " };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |             if (j == 0) {
[INFO] [stdout]    |                ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -             if (j == 0) {
[INFO] [stdout] 57 +             if j == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let s = if (m[i][j]) { 1 } else { 0 };
[INFO] [stdout]    |                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -             let s = if (m[i][j]) { 1 } else { 0 };
[INFO] [stdout] 70 +             let s = if m[i][j] { 1 } else { 0 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |             if (j == 0) {
[INFO] [stdout]    |                ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             if (j == 0) {
[INFO] [stdout] 71 +             if j == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     if (IS_DEBUG_MODE != 0) {
[INFO] [stdout]     |        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -     if (IS_DEBUG_MODE != 0) {
[INFO] [stdout] 108 +     if IS_DEBUG_MODE != 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |         if (m[p.x][p.y]) {
[INFO] [stdout]     |            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -         if (m[p.x][p.y]) {
[INFO] [stdout] 150 +         if m[p.x][p.y] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     (wall_count == 3)
[INFO] [stdout]     |     ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -     (wall_count == 3)
[INFO] [stdout] 155 +     wall_count == 3
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |         if (possible_directions.is_empty()) {
[INFO] [stdout]     |            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -         if (possible_directions.is_empty()) {
[INFO] [stdout] 200 +         if possible_directions.is_empty() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:202:16
[INFO] [stdout]     |
[INFO] [stdout] 202 |             if (points_to_be_scanned.is_empty()) {
[INFO] [stdout]     |                ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -             if (points_to_be_scanned.is_empty()) {
[INFO] [stdout] 202 +             if points_to_be_scanned.is_empty() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if (args.len() != 2) {
[INFO] [stdout]    |            ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         if (args.len() != 2) {
[INFO] [stdout] 21 +         if args.len() != 2 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if (width < 3) {
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -         if (width < 3) {
[INFO] [stdout] 33 +         if width < 3 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |         if (height < 3) {
[INFO] [stdout]    |            ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         if (height < 3) {
[INFO] [stdout] 37 +         if height < 3 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let s = if (m[i][j]) { "■" } else { " " };
[INFO] [stdout]    |                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             let s = if (m[i][j]) { "■" } else { " " };
[INFO] [stdout] 56 +             let s = if m[i][j] { "■" } else { " " };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |             if (j == 0) {
[INFO] [stdout]    |                ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -             if (j == 0) {
[INFO] [stdout] 57 +             if j == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let s = if (m[i][j]) { 1 } else { 0 };
[INFO] [stdout]    |                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -             let s = if (m[i][j]) { 1 } else { 0 };
[INFO] [stdout] 70 +             let s = if m[i][j] { 1 } else { 0 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |             if (j == 0) {
[INFO] [stdout]    |                ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             if (j == 0) {
[INFO] [stdout] 71 +             if j == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     if (IS_DEBUG_MODE != 0) {
[INFO] [stdout]     |        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -     if (IS_DEBUG_MODE != 0) {
[INFO] [stdout] 108 +     if IS_DEBUG_MODE != 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |         if (m[p.x][p.y]) {
[INFO] [stdout]     |            ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -         if (m[p.x][p.y]) {
[INFO] [stdout] 150 +         if m[p.x][p.y] {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     (wall_count == 3)
[INFO] [stdout]     |     ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -     (wall_count == 3)
[INFO] [stdout] 155 +     wall_count == 3
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |         if (possible_directions.is_empty()) {
[INFO] [stdout]     |            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -         if (possible_directions.is_empty()) {
[INFO] [stdout] 200 +         if possible_directions.is_empty() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:202:16
[INFO] [stdout]     |
[INFO] [stdout] 202 |             if (points_to_be_scanned.is_empty()) {
[INFO] [stdout]     |                ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -             if (points_to_be_scanned.is_empty()) {
[INFO] [stdout] 202 +             if points_to_be_scanned.is_empty() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "006f086754fdfd683236ce6124631670b9d5730546bc2da4d71bcc91cdf60ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006f086754fdfd683236ce6124631670b9d5730546bc2da4d71bcc91cdf60ab7", kill_on_drop: false }`
[INFO] [stdout] 006f086754fdfd683236ce6124631670b9d5730546bc2da4d71bcc91cdf60ab7