[INFO] cloning repository https://github.com/guoraymon/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/guoraymon/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguoraymon%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguoraymon%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 331d2486ff990847fdfa88a95ff4e6a08ebc8d99 [INFO] testing guoraymon/leetcode-rust against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguoraymon%2Fleetcode-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/guoraymon/leetcode-rust on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/guoraymon/leetcode-rust [INFO] finished tweaking git repo https://github.com/guoraymon/leetcode-rust [INFO] tweaked toml for git repo https://github.com/guoraymon/leetcode-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/guoraymon/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 592b2ec4b3338f09ffd5bc1c3ce351187b4e5a8d0ec097e4852c63072178e2e5 [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" "592b2ec4b3338f09ffd5bc1c3ce351187b4e5a8d0ec097e4852c63072178e2e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "592b2ec4b3338f09ffd5bc1c3ce351187b4e5a8d0ec097e4852c63072178e2e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "592b2ec4b3338f09ffd5bc1c3ce351187b4e5a8d0ec097e4852c63072178e2e5", kill_on_drop: false }` [INFO] [stdout] 592b2ec4b3338f09ffd5bc1c3ce351187b4e5a8d0ec097e4852c63072178e2e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 12352ab5dde7a169396a5b8890808fd9c0181a1573e1aa3ff5e1cd10b87f2796 [INFO] running `Command { std: "docker" "start" "-a" "12352ab5dde7a169396a5b8890808fd9c0181a1573e1aa3ff5e1cd10b87f2796", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/add_strings.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_strings` [INFO] [stdout] --> src/add_strings.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn add_strings(mut num1: String, mut num2: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/course_schedule.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_finish` [INFO] [stdout] --> src/course_schedule.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn can_finish(num_courses: i32, prerequisites: Vec>) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/same_tree.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/same_tree.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dfs` [INFO] [stdout] --> src/same_tree.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn dfs(p: Option>>, q: Option>>) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/valid_parentheses.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/valid_parentheses.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.74s [INFO] running `Command { std: "docker" "inspect" "12352ab5dde7a169396a5b8890808fd9c0181a1573e1aa3ff5e1cd10b87f2796", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12352ab5dde7a169396a5b8890808fd9c0181a1573e1aa3ff5e1cd10b87f2796", kill_on_drop: false }` [INFO] [stdout] 12352ab5dde7a169396a5b8890808fd9c0181a1573e1aa3ff5e1cd10b87f2796 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] b29328960a70eefdb71281c3684a71e8ba8e074d9fcab14d4b0d1467ad890b51 [INFO] running `Command { std: "docker" "start" "-a" "b29328960a70eefdb71281c3684a71e8ba8e074d9fcab14d4b0d1467ad890b51", kill_on_drop: false }` [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/add_strings.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_strings` [INFO] [stdout] --> src/add_strings.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn add_strings(mut num1: String, mut num2: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/course_schedule.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_finish` [INFO] [stdout] --> src/course_schedule.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn can_finish(num_courses: i32, prerequisites: Vec>) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/same_tree.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/same_tree.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dfs` [INFO] [stdout] --> src/same_tree.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn dfs(p: Option>>, q: Option>>) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/valid_parentheses.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/valid_parentheses.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.93s [INFO] running `Command { std: "docker" "inspect" "b29328960a70eefdb71281c3684a71e8ba8e074d9fcab14d4b0d1467ad890b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b29328960a70eefdb71281c3684a71e8ba8e074d9fcab14d4b0d1467ad890b51", kill_on_drop: false }` [INFO] [stdout] b29328960a70eefdb71281c3684a71e8ba8e074d9fcab14d4b0d1467ad890b51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1b51b7676e1c057ff842df9499878180b29144e5e5714388468b938df3ad3f1f [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" "1b51b7676e1c057ff842df9499878180b29144e5e5714388468b938df3ad3f1f", kill_on_drop: false }` [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/add_strings.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_strings` [INFO] [stderr] --> src/add_strings.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn add_strings(mut num1: String, mut num2: String) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/course_schedule.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `can_finish` [INFO] [stderr] --> src/course_schedule.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn can_finish(num_courses: i32, prerequisites: Vec>) -> bool { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/same_tree.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn new(val: i32) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/same_tree.rs:58:12 [INFO] [stderr] | [INFO] [stderr] 58 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `dfs` [INFO] [stderr] --> src/same_tree.rs:61:12 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn dfs(p: Option>>, q: Option>>) -> bool { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/valid_parentheses.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_valid` [INFO] [stderr] --> src/valid_parentheses.rs:37:12 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn is_valid(s: String) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode_rust-9d76697d9f54f280 [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test add_strings::tests::dp ... ok [INFO] [stdout] test course_schedule::tests::dp ... ok [INFO] [stdout] test best_time_to_buy_and_sell_stock_ii::test ... ok [INFO] [stdout] test house_robber::test ... ok [INFO] [stdout] test fibonacci_number::tests::iter ... ok [INFO] [stdout] test house_robber_ii::test ... ok [INFO] [stdout] test longest_common_prefix::test ... ok [INFO] [stdout] test magic_index_lcci::tests::dp ... ok [INFO] [stdout] test maximal_square::test ... ok [INFO] [stdout] test maximum_depth_of_binary_tree::tests::recursion ... ok [INFO] [stdout] test rectangle_overlap::test ... ok [INFO] [stdout] test same_tree::tests::dp ... ok [INFO] [stdout] test two_sum::tests::hash_once ... ok [INFO] [stdout] test two_sum::tests::hash ... ok [INFO] [stdout] test triangle::test ... ok [INFO] [stdout] test two_sum::tests::simple ... ok [INFO] [stdout] test valid_parentheses::test ... ok [INFO] [stdout] test zui_xiao_de_kge_shu_lcof::tests::test ... ok [INFO] [stdout] test fibonacci_number::tests::dp ... ok [INFO] [stdout] test best_time_to_buy_and_sell_stock::tests::dp ... ok [INFO] [stdout] test find_words_that_can_be_formed_by_characters::test ... ok [INFO] [stdout] test climbing_stairs::tests::dp ... ok [INFO] [stdout] test fibonacci_number::tests::formula ... ok [INFO] [stdout] test integer_break::tests::dp ... ok [INFO] [stdout] test longest_increasing_subsequence::test ... ok [INFO] [stdout] test longest_palindrome::tests::test ... ok [INFO] [stdout] test maximum_subarray::test ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode_rust-37949daaf1d203f6 [INFO] [stdout] test fibonacci_number::tests::recursion ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests leetcode-rust [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 [INFO] [stdout] [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1b51b7676e1c057ff842df9499878180b29144e5e5714388468b938df3ad3f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b51b7676e1c057ff842df9499878180b29144e5e5714388468b938df3ad3f1f", kill_on_drop: false }` [INFO] [stdout] 1b51b7676e1c057ff842df9499878180b29144e5e5714388468b938df3ad3f1f