[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] testing czipperz/rubick/7e287b723bc2ebd94a844d9aec4c7af605dad81e against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fczipperz%2Frubick" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/czipperz/rubick on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3778be82c1406072327e28d8cd6f2ec3bf1859225efd7837cc942ee46864a2dc
[INFO] running `Command { std: "docker" "start" "-a" "3778be82c1406072327e28d8cd6f2ec3bf1859225efd7837cc942ee46864a2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3778be82c1406072327e28d8cd6f2ec3bf1859225efd7837cc942ee46864a2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3778be82c1406072327e28d8cd6f2ec3bf1859225efd7837cc942ee46864a2dc", kill_on_drop: false }`
[INFO] [stdout] 3778be82c1406072327e28d8cd6f2ec3bf1859225efd7837cc942ee46864a2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e574faa082477f474805cadb6b1a50a5bb14bd2b8e394577074e7cc6ba26ee9b
[INFO] running `Command { std: "docker" "start" "-a" "e574faa082477f474805cadb6b1a50a5bb14bd2b8e394577074e7cc6ba26ee9b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rubick v0.1.0 (/opt/rustwide/workdir)
[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]   = 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]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[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] ...
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "e574faa082477f474805cadb6b1a50a5bb14bd2b8e394577074e7cc6ba26ee9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e574faa082477f474805cadb6b1a50a5bb14bd2b8e394577074e7cc6ba26ee9b", kill_on_drop: false }`
[INFO] [stdout] e574faa082477f474805cadb6b1a50a5bb14bd2b8e394577074e7cc6ba26ee9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a188bc1fc2b67b2de61e524877df1f2ec4b284c8c2ac197b287f294ca6df2a5
[INFO] running `Command { std: "docker" "start" "-a" "5a188bc1fc2b67b2de61e524877df1f2ec4b284c8c2ac197b287f294ca6df2a5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling rubick 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/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/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[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] ...
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5a188bc1fc2b67b2de61e524877df1f2ec4b284c8c2ac197b287f294ca6df2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a188bc1fc2b67b2de61e524877df1f2ec4b284c8c2ac197b287f294ca6df2a5", kill_on_drop: false }`
[INFO] [stdout] 5a188bc1fc2b67b2de61e524877df1f2ec4b284c8c2ac197b287f294ca6df2a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78cce6fb07498b1dd7a4a1cd1fe0e5bfa489d32ed8958d22f6bf01127f4eec35
[INFO] running `Command { std: "docker" "start" "-a" "78cce6fb07498b1dd7a4a1cd1fe0e5bfa489d32ed8958d22f6bf01127f4eec35", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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/predicates.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |         .into_iter().filter(|x| **x).count()
[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/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 15 |         .iter().filter(|x| **x).count()
[INFO] [stderr]    |          ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 7  ~     8 - IntoIterator::into_iter([cube.bottom_corners[0] == Corner::new(Color::Orange, Color::Blue, Color::White),
[INFO] [stderr] 8  |          cube.bottom_corners[1] == Corner::new(Color::Orange, Color::White, Color::Green),
[INFO] [stderr] ...
[INFO] [stderr] 13 |          cube.bottom_sides[2]   == Side::new(Color::Orange, Color::Yellow),
[INFO] [stderr] 14 ~          cube.bottom_sides[3]   == Side::new(Color::Orange, Color::Blue)]).filter(|x| **x).count()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rubick` (bin "rubick" test) generated 1 warning (run `cargo fix --bin "rubick" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rubick-e6ece580fdb08247)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cube::test::rotate_back_counter_clockwise ... ok
[INFO] [stdout] test cube::test::test_new ... ok
[INFO] [stdout] test cube::test::test_display ... ok
[INFO] [stdout] test cube::test::test_rotate_back_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_bottom_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_bottom_counter_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_front_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_front_counter_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_left_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_left_counter_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_right_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_right_counter_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_top_clockwise ... ok
[INFO] [stdout] test cube::test::test_rotate_top_counter_clockwise ... ok
[INFO] [stdout] test predicates::test::test_num_bottom_solved ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78cce6fb07498b1dd7a4a1cd1fe0e5bfa489d32ed8958d22f6bf01127f4eec35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cce6fb07498b1dd7a4a1cd1fe0e5bfa489d32ed8958d22f6bf01127f4eec35", kill_on_drop: false }`
[INFO] [stdout] 78cce6fb07498b1dd7a4a1cd1fe0e5bfa489d32ed8958d22f6bf01127f4eec35