[INFO] cloning repository https://github.com/czipperz/rubick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/czipperz/rubick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fczipperz%2Frubick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fczipperz%2Frubick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e287b723bc2ebd94a844d9aec4c7af605dad81e
[INFO] checking czipperz/rubick/7e287b723bc2ebd94a844d9aec4c7af605dad81e against master#65407954098ca3c19f0d46092cb374b5d3e9dc3c for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fczipperz%2Frubick" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/czipperz/rubick
[INFO] finished tweaking git repo https://github.com/czipperz/rubick
[INFO] tweaked toml for git repo https://github.com/czipperz/rubick written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/czipperz/rubick on toolchain 65407954098ca3c19f0d46092cb374b5d3e9dc3c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/czipperz/rubick 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" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rubick` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1
[INFO] running `Command { std: "docker" "start" "522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rubick` (manifest) generated 1 warning
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rubick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `rotate_random` is never used
[INFO] [stdout]    --> src/cube.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl Cube {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn rotate_random(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_bottom_solved` is never used
[INFO] [stdout]  --> src/predicates.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn num_bottom_solved(cube: &Cube) -> usize {
[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/predicates.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |         .into_iter().filter(|x| **x).count()
[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] 15 -         .into_iter().filter(|x| **x).count()
[INFO] [stdout] 15 +         .iter().filter(|x| **x).count()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout]  7 ~     8 - IntoIterator::into_iter([cube.bottom_corners[0] == Corner::new(Color::Orange, Color::Blue, Color::White),
[INFO] [stdout]  8 |          cube.bottom_corners[1] == Corner::new(Color::Orange, Color::White, Color::Green),
[INFO] [stdout] ...
[INFO] [stdout] 13 |          cube.bottom_sides[2]   == Side::new(Color::Orange, Color::Yellow),
[INFO] [stdout] 14 ~          cube.bottom_sides[3]   == Side::new(Color::Orange, Color::Blue)]).filter(|x| **x).count()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rotate_random` is never used
[INFO] [stdout]    --> src/cube.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl Cube {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn rotate_random(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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/predicates.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |         .into_iter().filter(|x| **x).count()
[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] 15 -         .into_iter().filter(|x| **x).count()
[INFO] [stdout] 15 +         .iter().filter(|x| **x).count()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout]  7 ~     8 - IntoIterator::into_iter([cube.bottom_corners[0] == Corner::new(Color::Orange, Color::Blue, Color::White),
[INFO] [stdout]  8 |          cube.bottom_corners[1] == Corner::new(Color::Orange, Color::White, Color::Green),
[INFO] [stdout] ...
[INFO] [stdout] 13 |          cube.bottom_sides[2]   == Side::new(Color::Orange, Color::Yellow),
[INFO] [stdout] 14 ~          cube.bottom_sides[3]   == Side::new(Color::Orange, Color::Blue)]).filter(|x| **x).count()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1", kill_on_drop: false }`
[INFO] [stdout] 522c2d4d3fd7f21ebd12d7dad4f33f90fa9ddb0cf6ef8a2c988d2131b9dd71e1
