[INFO] cloning repository https://github.com/sunjay/connect4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunjay/connect4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Fconnect4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Fconnect4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 383eafb4ded5c4d4639b794f1e9b0dd90a2709e5
[INFO] testing sunjay/connect4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Fconnect4" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sunjay/connect4
[INFO] finished tweaking git repo https://github.com/sunjay/connect4
[INFO] tweaked toml for git repo https://github.com/sunjay/connect4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sunjay/connect4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sunjay/connect4 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e287152e6c788ed2599f946592051ca1a3732573d35cfe40b80b1b4118b7058
[INFO] running `Command { std: "docker" "start" "-a" "1e287152e6c788ed2599f946592051ca1a3732573d35cfe40b80b1b4118b7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e287152e6c788ed2599f946592051ca1a3732573d35cfe40b80b1b4118b7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e287152e6c788ed2599f946592051ca1a3732573d35cfe40b80b1b4118b7058", kill_on_drop: false }`
[INFO] [stdout] 1e287152e6c788ed2599f946592051ca1a3732573d35cfe40b80b1b4118b7058
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4c178df5b737b59ff187f943d2ed55935a56702c65ceb3271ec053a09af146e
[INFO] running `Command { std: "docker" "start" "-a" "c4c178df5b737b59ff187f943d2ed55935a56702c65ceb3271ec053a09af146e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/main.rs:71:62
[INFO] [stdout]    |
[INFO] [stdout] 71 |     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 71 -     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stdout] 71 +     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].iter().fold(String::new(), |acc, s| {
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 71 -     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stdout] 71 +     println!("\n{}  \n", IntoIterator::into_iter(["A", "B", "C", "D", "E", "F", "G"]).fold(String::new(), |acc, s| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/connect4.rs:126:58
[INFO] [stdout]     |
[INFO] [stdout] 126 |             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stdout]     |                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 126 -             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stdout] 126 +             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].iter().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 126 -             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stdout] 126 +             for (i, dir) in IntoIterator::into_iter([N, NE, E, SE, S, SW, W, NW]).enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/connect4.rs:133:33
[INFO] [stdout]     |
[INFO] [stdout] 133 |         for found in directions.into_iter() {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 133 -         for found in directions.into_iter() {
[INFO] [stdout] 133 +         for found in directions.iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 133 -         for found in directions.into_iter() {
[INFO] [stdout] 133 +         for found in directions {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "c4c178df5b737b59ff187f943d2ed55935a56702c65ceb3271ec053a09af146e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c178df5b737b59ff187f943d2ed55935a56702c65ceb3271ec053a09af146e", kill_on_drop: false }`
[INFO] [stdout] c4c178df5b737b59ff187f943d2ed55935a56702c65ceb3271ec053a09af146e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8be6b910585767b420ff4dc81ddc325e41e37f7089feffa586ecbd4c7d831628
[INFO] running `Command { std: "docker" "start" "-a" "8be6b910585767b420ff4dc81ddc325e41e37f7089feffa586ecbd4c7d831628", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/main.rs:71:62
[INFO] [stdout]    |
[INFO] [stdout] 71 |     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stdout]    |                                                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 71 -     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stdout] 71 +     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].iter().fold(String::new(), |acc, s| {
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 71 -     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stdout] 71 +     println!("\n{}  \n", IntoIterator::into_iter(["A", "B", "C", "D", "E", "F", "G"]).fold(String::new(), |acc, s| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/connect4.rs:126:58
[INFO] [stdout]     |
[INFO] [stdout] 126 |             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stdout]     |                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 126 -             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stdout] 126 +             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].iter().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 126 -             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stdout] 126 +             for (i, dir) in IntoIterator::into_iter([N, NE, E, SE, S, SW, W, NW]).enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/connect4.rs:133:33
[INFO] [stdout]     |
[INFO] [stdout] 133 |         for found in directions.into_iter() {
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 133 -         for found in directions.into_iter() {
[INFO] [stdout] 133 +         for found in directions.iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 133 -         for found in directions.into_iter() {
[INFO] [stdout] 133 +         for found in directions {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "8be6b910585767b420ff4dc81ddc325e41e37f7089feffa586ecbd4c7d831628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be6b910585767b420ff4dc81ddc325e41e37f7089feffa586ecbd4c7d831628", kill_on_drop: false }`
[INFO] [stdout] 8be6b910585767b420ff4dc81ddc325e41e37f7089feffa586ecbd4c7d831628
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1c38c7424b445e54022b30a6cfa962b09298fcec8e0d7071f80445882b1f561
[INFO] running `Command { std: "docker" "start" "-a" "d1c38c7424b445e54022b30a6cfa962b09298fcec8e0d7071f80445882b1f561", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stderr]   --> src/main.rs:71:62
[INFO] [stderr]    |
[INFO] [stderr] 71 |     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stderr]    |                                                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 71 -     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stderr] 71 +     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].iter().fold(String::new(), |acc, s| {
[INFO] [stderr]    |
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 71 -     println!("\n{}  \n", ["A", "B", "C", "D", "E", "F", "G"].into_iter().fold(String::new(), |acc, s| {
[INFO] [stderr] 71 +     println!("\n{}  \n", IntoIterator::into_iter(["A", "B", "C", "D", "E", "F", "G"]).fold(String::new(), |acc, s| {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stderr]    --> src/connect4.rs:126:58
[INFO] [stderr]     |
[INFO] [stderr] 126 |             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stderr]     |                                                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 126 -             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stderr] 126 +             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].iter().enumerate() {
[INFO] [stderr]     |
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 126 -             for (i, dir) in [N, NE, E, SE, S, SW, W, NW].into_iter().enumerate() {
[INFO] [stderr] 126 +             for (i, dir) in IntoIterator::into_iter([N, NE, E, SE, S, SW, W, NW]).enumerate() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stderr]    --> src/connect4.rs:133:33
[INFO] [stderr]     |
[INFO] [stderr] 133 |         for found in directions.into_iter() {
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 133 -         for found in directions.into_iter() {
[INFO] [stderr] 133 +         for found in directions.iter() {
[INFO] [stderr]     |
[INFO] [stderr] help: or remove `.into_iter()` to iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 133 -         for found in directions.into_iter() {
[INFO] [stderr] 133 +         for found in directions {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `connect4` (bin "connect4" test) generated 3 warnings (run `cargo fix --bin "connect4" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/connect4-01711323c538ca17)
[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" "d1c38c7424b445e54022b30a6cfa962b09298fcec8e0d7071f80445882b1f561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c38c7424b445e54022b30a6cfa962b09298fcec8e0d7071f80445882b1f561", kill_on_drop: false }`
[INFO] [stdout] d1c38c7424b445e54022b30a6cfa962b09298fcec8e0d7071f80445882b1f561