[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 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fczipperz%2Frubick" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/czipperz/rubick on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-11/source/Cargo.toml [INFO] crate git repo https://github.com/czipperz/rubick already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f382529bcccee0799781011a3daee04a28651a9b14ef9337e464cd2f9d8ef9a8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f382529bcccee0799781011a3daee04a28651a9b14ef9337e464cd2f9d8ef9a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f382529bcccee0799781011a3daee04a28651a9b14ef9337e464cd2f9d8ef9a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f382529bcccee0799781011a3daee04a28651a9b14ef9337e464cd2f9d8ef9a8", kill_on_drop: false }` [INFO] [stdout] f382529bcccee0799781011a3daee04a28651a9b14ef9337e464cd2f9d8ef9a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e1bdfcd8c297e77b16ae1430aeee94733b4fe6d2e288521f84edb9501f16153 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8e1bdfcd8c297e77b16ae1430aeee94733b4fe6d2e288521f84edb9501f16153", kill_on_drop: false }` [INFO] [stderr] Checking rubick v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `rotate_random` [INFO] [stdout] --> src/cube.rs:143:12 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn rotate_random(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `num_bottom_solved` [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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [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] 9 | cube.bottom_corners[2] == Corner::new(Color::Orange, Color::Green, Color::Yellow), [INFO] [stdout] 10 | cube.bottom_corners[3] == Corner::new(Color::Orange, Color::Yellow, Color::Blue), [INFO] [stdout] 11 | cube.bottom_sides[0] == Side::new(Color::Orange, Color::White), [INFO] [stdout] 12 | cube.bottom_sides[1] == Side::new(Color::Orange, Color::Green), [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rotate_random` [INFO] [stdout] --> src/cube.rs:143:12 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn rotate_random(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [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] 9 | cube.bottom_corners[2] == Corner::new(Color::Orange, Color::Green, Color::Yellow), [INFO] [stdout] 10 | cube.bottom_corners[3] == Corner::new(Color::Orange, Color::Yellow, Color::Blue), [INFO] [stdout] 11 | cube.bottom_sides[0] == Side::new(Color::Orange, Color::White), [INFO] [stdout] 12 | cube.bottom_sides[1] == Side::new(Color::Orange, Color::Green), [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "8e1bdfcd8c297e77b16ae1430aeee94733b4fe6d2e288521f84edb9501f16153", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e1bdfcd8c297e77b16ae1430aeee94733b4fe6d2e288521f84edb9501f16153", kill_on_drop: false }` [INFO] [stdout] 8e1bdfcd8c297e77b16ae1430aeee94733b4fe6d2e288521f84edb9501f16153