[INFO] cloning repository https://github.com/grynkiv0x001/mazes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grynkiv0x001/mazes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrynkiv0x001%2Fmazes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrynkiv0x001%2Fmazes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22aab94096ded7e39defe88946d91bfc5e0883f1
[INFO] testing grynkiv0x001/mazes against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrynkiv0x001%2Fmazes" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/grynkiv0x001/mazes
[INFO] finished tweaking git repo https://github.com/grynkiv0x001/mazes
[INFO] tweaked toml for git repo https://github.com/grynkiv0x001/mazes written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/grynkiv0x001/mazes on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/grynkiv0x001/mazes 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f2431b6a2d4adc0a02d0e4dff48896bbb4fb013e57736b8440ec9f9ab02bdd6
[INFO] running `Command { std: "docker" "start" "-a" "2f2431b6a2d4adc0a02d0e4dff48896bbb4fb013e57736b8440ec9f9ab02bdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f2431b6a2d4adc0a02d0e4dff48896bbb4fb013e57736b8440ec9f9ab02bdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2431b6a2d4adc0a02d0e4dff48896bbb4fb013e57736b8440ec9f9ab02bdd6", kill_on_drop: false }`
[INFO] [stdout] 2f2431b6a2d4adc0a02d0e4dff48896bbb4fb013e57736b8440ec9f9ab02bdd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9422431088de6ac77a3c0932906eb10e41dc041cee7c65a29a67c8d4efdf57
[INFO] running `Command { std: "docker" "start" "-a" "9a9422431088de6ac77a3c0932906eb10e41dc041cee7c65a29a67c8d4efdf57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |             if ((row == 0 || row == height - 1) || (col == 0 || col == width - 1)) {
[INFO] [stdout]    |                ^                                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             if ((row == 0 || row == height - 1) || (col == 0 || col == width - 1)) {
[INFO] [stdout] 25 +             if (row == 0 || row == height - 1) || (col == 0 || col == width - 1)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |     for (i, room) in rooms.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "9a9422431088de6ac77a3c0932906eb10e41dc041cee7c65a29a67c8d4efdf57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9422431088de6ac77a3c0932906eb10e41dc041cee7c65a29a67c8d4efdf57", kill_on_drop: false }`
[INFO] [stdout] 9a9422431088de6ac77a3c0932906eb10e41dc041cee7c65a29a67c8d4efdf57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e133629f7df2142deb264e8b9ce8ec0349f9bd7169d8d28c0adcd92644585145
[INFO] running `Command { std: "docker" "start" "-a" "e133629f7df2142deb264e8b9ce8ec0349f9bd7169d8d28c0adcd92644585145", kill_on_drop: false }`
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |             if ((row == 0 || row == height - 1) || (col == 0 || col == width - 1)) {
[INFO] [stdout]    |                ^                                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             if ((row == 0 || row == height - 1) || (col == 0 || col == width - 1)) {
[INFO] [stdout] 25 +             if (row == 0 || row == height - 1) || (col == 0 || col == width - 1)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |     for (i, room) in rooms.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "e133629f7df2142deb264e8b9ce8ec0349f9bd7169d8d28c0adcd92644585145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e133629f7df2142deb264e8b9ce8ec0349f9bd7169d8d28c0adcd92644585145", kill_on_drop: false }`
[INFO] [stdout] e133629f7df2142deb264e8b9ce8ec0349f9bd7169d8d28c0adcd92644585145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1dc53a8adc87fa93bc72ae58c2c6824a536df6fae4bbb59c0e552ee545c752bb
[INFO] running `Command { std: "docker" "start" "-a" "1dc53a8adc87fa93bc72ae58c2c6824a536df6fae4bbb59c0e552ee545c752bb", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |             if ((row == 0 || row == height - 1) || (col == 0 || col == width - 1)) {
[INFO] [stderr]    |                ^                                                                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 -             if ((row == 0 || row == height - 1) || (col == 0 || col == width - 1)) {
[INFO] [stderr] 25 +             if (row == 0 || row == height - 1) || (col == 0 || col == width - 1)  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:91:10
[INFO] [stderr]    |
[INFO] [stderr] 91 |     for (i, room) in rooms.iter().enumerate() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mazes` (bin "mazes" test) generated 2 warnings (run `cargo fix --bin "mazes" -p mazes --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mazes-31a033e1c362ebf5)
[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" "1dc53a8adc87fa93bc72ae58c2c6824a536df6fae4bbb59c0e552ee545c752bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc53a8adc87fa93bc72ae58c2c6824a536df6fae4bbb59c0e552ee545c752bb", kill_on_drop: false }`
[INFO] [stdout] 1dc53a8adc87fa93bc72ae58c2c6824a536df6fae4bbb59c0e552ee545c752bb
