[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-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoah19846%2Fleetcode-execersice-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/noah19846/leetcode-execersice-rs 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/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-12/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-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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 7f2fc41c4a4a3d2633fea1a498a85d137931da84976896ed229ad323f63345ad [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" "7f2fc41c4a4a3d2633fea1a498a85d137931da84976896ed229ad323f63345ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f2fc41c4a4a3d2633fea1a498a85d137931da84976896ed229ad323f63345ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f2fc41c4a4a3d2633fea1a498a85d137931da84976896ed229ad323f63345ad", kill_on_drop: false }` [INFO] [stdout] 7f2fc41c4a4a3d2633fea1a498a85d137931da84976896ed229ad323f63345ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d61ec3b5b99643c94a2c665139a2ac03b5fd46c65ae46513082647d48175ca95 [INFO] running `Command { std: "docker" "start" "-a" "d61ec3b5b99643c94a2c665139a2ac03b5fd46c65ae46513082647d48175ca95", 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 0.77s [INFO] running `Command { std: "docker" "inspect" "d61ec3b5b99643c94a2c665139a2ac03b5fd46c65ae46513082647d48175ca95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d61ec3b5b99643c94a2c665139a2ac03b5fd46c65ae46513082647d48175ca95", kill_on_drop: false }` [INFO] [stdout] d61ec3b5b99643c94a2c665139a2ac03b5fd46c65ae46513082647d48175ca95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e3988b8f80eee4ace2ed3cff2c33a66530cf632f25c25ab58e607946c6b4ee4c [INFO] running `Command { std: "docker" "start" "-a" "e3988b8f80eee4ace2ed3cff2c33a66530cf632f25c25ab58e607946c6b4ee4c", 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 1.34s [INFO] running `Command { std: "docker" "inspect" "e3988b8f80eee4ace2ed3cff2c33a66530cf632f25c25ab58e607946c6b4ee4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3988b8f80eee4ace2ed3cff2c33a66530cf632f25c25ab58e607946c6b4ee4c", kill_on_drop: false }` [INFO] [stdout] e3988b8f80eee4ace2ed3cff2c33a66530cf632f25c25ab58e607946c6b4ee4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a7ea8401ac90021204c89d94ff1af33770370659a2deafdab89012aedcf1a0f7 [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" "a7ea8401ac90021204c89d94ff1af33770370659a2deafdab89012aedcf1a0f7", 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::next_greater_elements::tests::test ... ok [INFO] [stdout] test solutions::transpose_matrix::tests::test ... ok [INFO] [stdout] test solutions::fizz_buzz::tests::test ... ok [INFO] [stdout] test solutions::trap::tests::t ... 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" "a7ea8401ac90021204c89d94ff1af33770370659a2deafdab89012aedcf1a0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ea8401ac90021204c89d94ff1af33770370659a2deafdab89012aedcf1a0f7", kill_on_drop: false }` [INFO] [stdout] a7ea8401ac90021204c89d94ff1af33770370659a2deafdab89012aedcf1a0f7