[INFO] cloning repository https://github.com/noah19846/leetcode-execersice-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noah19846/leetcode-execersice-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoah19846%2Fleetcode-execersice-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoah19846%2Fleetcode-execersice-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 58b08021a991c99a3c1090eaf61943bfed51ff04 [INFO] testing noah19846/leetcode-execersice-rs against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoah19846%2Fleetcode-execersice-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/noah19846/leetcode-execersice-rs on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/noah19846/leetcode-execersice-rs [INFO] finished tweaking git repo https://github.com/noah19846/leetcode-execersice-rs [INFO] tweaked toml for git repo https://github.com/noah19846/leetcode-execersice-rs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/noah19846/leetcode-execersice-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6342e1b6a3e535dd05b4f7f4056e0e9f7d58e7bf03b31bf8a28988a6e8016d16 [INFO] running `Command { std: "docker" "start" "-a" "6342e1b6a3e535dd05b4f7f4056e0e9f7d58e7bf03b31bf8a28988a6e8016d16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6342e1b6a3e535dd05b4f7f4056e0e9f7d58e7bf03b31bf8a28988a6e8016d16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6342e1b6a3e535dd05b4f7f4056e0e9f7d58e7bf03b31bf8a28988a6e8016d16", kill_on_drop: false }` [INFO] [stdout] 6342e1b6a3e535dd05b4f7f4056e0e9f7d58e7bf03b31bf8a28988a6e8016d16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59256c365b81dff1e313e5d41c23e738c3ff1f5e8567a929355e1f4bcaa99b84 [INFO] running `Command { std: "docker" "start" "-a" "59256c365b81dff1e313e5d41c23e738c3ff1f5e8567a929355e1f4bcaa99b84", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-execersice-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `FizzBuzz` [INFO] [stdout] --> src/solutions/fizz_buzz.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct FizzBuzz; [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: `fizz_buzz` [INFO] [stdout] --> src/solutions/fizz_buzz.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | fn fizz_buzz(n: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_fb_string` [INFO] [stdout] --> src/solutions/fizz_buzz.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | fn get_fb_string(n: u32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MaxtrixTranspose` [INFO] [stdout] --> src/solutions/transpose_matrix.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct MaxtrixTranspose; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `transpose` [INFO] [stdout] --> src/solutions/transpose_matrix.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | fn transpose(matrix: Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solutions/trap.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `trap` [INFO] [stdout] --> src/solutions/trap.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn trap(height: Vec) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NextGreaterElements` [INFO] [stdout] --> src/solutions/next_greater_elements.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct NextGreaterElements; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_greater_elements` [INFO] [stdout] --> src/solutions/next_greater_elements.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | fn next_greater_elements(nums: Vec) -> Vec { [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 0.31s [INFO] running `Command { std: "docker" "inspect" "59256c365b81dff1e313e5d41c23e738c3ff1f5e8567a929355e1f4bcaa99b84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59256c365b81dff1e313e5d41c23e738c3ff1f5e8567a929355e1f4bcaa99b84", kill_on_drop: false }` [INFO] [stdout] 59256c365b81dff1e313e5d41c23e738c3ff1f5e8567a929355e1f4bcaa99b84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b87ddfb8cf126e58345a4062f120df9ee1c0f8cda117984fd9d52b541fc40dbc [INFO] running `Command { std: "docker" "start" "-a" "b87ddfb8cf126e58345a4062f120df9ee1c0f8cda117984fd9d52b541fc40dbc", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode-execersice-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `fizz_buzz` [INFO] [stdout] --> src/solutions/fizz_buzz.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | fn fizz_buzz(n: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "b87ddfb8cf126e58345a4062f120df9ee1c0f8cda117984fd9d52b541fc40dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b87ddfb8cf126e58345a4062f120df9ee1c0f8cda117984fd9d52b541fc40dbc", kill_on_drop: false }` [INFO] [stdout] b87ddfb8cf126e58345a4062f120df9ee1c0f8cda117984fd9d52b541fc40dbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 63bc47cd75925da4a880423d9656fdfccd6030d9ab2124f25d041ed6f584182d [INFO] running `Command { std: "docker" "start" "-a" "63bc47cd75925da4a880423d9656fdfccd6030d9ab2124f25d041ed6f584182d", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `fizz_buzz` [INFO] [stderr] --> src/solutions/fizz_buzz.rs:4:6 [INFO] [stderr] | [INFO] [stderr] 4 | fn fizz_buzz(n: u32) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `leetcode-execersice-rs` (bin "leetcode-execersice-rs" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_execersice_rs-51bd5fd160b751af) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test solutions::transpose_matrix::tests::test ... ok [INFO] [stdout] test solutions::trap::tests::t ... ok [INFO] [stdout] test solutions::next_greater_elements::tests::test ... ok [INFO] [stdout] test solutions::fizz_buzz::tests::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "63bc47cd75925da4a880423d9656fdfccd6030d9ab2124f25d041ed6f584182d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63bc47cd75925da4a880423d9656fdfccd6030d9ab2124f25d041ed6f584182d", kill_on_drop: false }` [INFO] [stdout] 63bc47cd75925da4a880423d9656fdfccd6030d9ab2124f25d041ed6f584182d