[INFO] cloning repository https://github.com/dplusic/leetcode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dplusic/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdplusic%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdplusic%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba80fd1fbe4936accdaf8644b075bd28983661ef [INFO] testing dplusic/leetcode-rust against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdplusic%2Fleetcode-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dplusic/leetcode-rust on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dplusic/leetcode-rust [INFO] finished tweaking git repo https://github.com/dplusic/leetcode-rust [INFO] tweaked toml for git repo https://github.com/dplusic/leetcode-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/dplusic/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a4fa7b6a8af35d281df3d79ab7240703274918dd0727aa00b0dfbc6c45c2f75 [INFO] running `Command { std: "docker" "start" "-a" "5a4fa7b6a8af35d281df3d79ab7240703274918dd0727aa00b0dfbc6c45c2f75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a4fa7b6a8af35d281df3d79ab7240703274918dd0727aa00b0dfbc6c45c2f75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a4fa7b6a8af35d281df3d79ab7240703274918dd0727aa00b0dfbc6c45c2f75", kill_on_drop: false }` [INFO] [stdout] 5a4fa7b6a8af35d281df3d79ab7240703274918dd0727aa00b0dfbc6c45c2f75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c70b487a17b01a74fdc7328c4d88d923189c8ec6a7606231fe36534b382759c [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" "7c70b487a17b01a74fdc7328c4d88d923189c8ec6a7606231fe36534b382759c", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-rust 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/n0679_24_game.rs:25:75 [INFO] [stdout] | [INFO] [stdout] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 25 - for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] 25 + for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "7c70b487a17b01a74fdc7328c4d88d923189c8ec6a7606231fe36534b382759c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c70b487a17b01a74fdc7328c4d88d923189c8ec6a7606231fe36534b382759c", kill_on_drop: false }` [INFO] [stdout] 7c70b487a17b01a74fdc7328c4d88d923189c8ec6a7606231fe36534b382759c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7113bffa1192710a6395f6b432f54ab04066913f8c76ee30a70b708885e26ee [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" "e7113bffa1192710a6395f6b432f54ab04066913f8c76ee30a70b708885e26ee", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-rust 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/n0679_24_game.rs:25:75 [INFO] [stdout] | [INFO] [stdout] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 25 - for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] 25 + for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `Command { std: "docker" "inspect" "e7113bffa1192710a6395f6b432f54ab04066913f8c76ee30a70b708885e26ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7113bffa1192710a6395f6b432f54ab04066913f8c76ee30a70b708885e26ee", kill_on_drop: false }` [INFO] [stdout] e7113bffa1192710a6395f6b432f54ab04066913f8c76ee30a70b708885e26ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] df8c9cae9b6e631421b6755ff79dda660849b7bec96d4d5723a0fe1e51c167c2 [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" "df8c9cae9b6e631421b6755ff79dda660849b7bec96d4d5723a0fe1e51c167c2", kill_on_drop: false }` [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/n0679_24_game.rs:25:75 [INFO] [stderr] | [INFO] [stderr] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.iter() { [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or remove `.into_iter()` to iterate by value [INFO] [stderr] | [INFO] [stderr] 25 - for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stderr] 25 + for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `leetcode-rust` (bin "leetcode-rust" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-10f0677b39af5ce2) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test n0731_my_calendar_ii::test_book_intersected_3 ... ok [INFO] [stdout] test n0731_my_calendar_ii::test_book_intersected_5 ... ok [INFO] [stdout] test n0731_my_calendar_ii::test_book_intersected_2 ... ok [INFO] [stdout] test n0679_24_game::test_permutator_with_repetition ... ok [INFO] [stdout] test n0679_24_game::test_permutator ... ok [INFO] [stdout] test n0731_my_calendar_ii::test_book_intersected_6 ... ok [INFO] [stdout] test n0731_my_calendar_ii::test_book_intersected_1 ... ok [INFO] [stdout] test n0731_my_calendar_ii::test_book_intersected_4 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "df8c9cae9b6e631421b6755ff79dda660849b7bec96d4d5723a0fe1e51c167c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df8c9cae9b6e631421b6755ff79dda660849b7bec96d4d5723a0fe1e51c167c2", kill_on_drop: false }` [INFO] [stdout] df8c9cae9b6e631421b6755ff79dda660849b7bec96d4d5723a0fe1e51c167c2