[INFO] cloning repository https://github.com/JoverZhang/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/JoverZhang/leetcode.rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoverZhang%2Fleetcode.rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoverZhang%2Fleetcode.rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e2c981b01ed14fb6f8796350cad146bca871cc40 [INFO] testing JoverZhang/leetcode.rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoverZhang%2Fleetcode.rust" "/workspace/builds/worker-88/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JoverZhang/leetcode.rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JoverZhang/leetcode.rust [INFO] finished tweaking git repo https://github.com/JoverZhang/leetcode.rust [INFO] tweaked toml for git repo https://github.com/JoverZhang/leetcode.rust written to /workspace/builds/worker-88/source/Cargo.toml [INFO] crate git repo https://github.com/JoverZhang/leetcode.rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b41c4de5f688e5adcb3b9b81c2d78b0e0573a6a9f04ed5816dec740d365abfbe [INFO] running `Command { std: "docker" "start" "-a" "b41c4de5f688e5adcb3b9b81c2d78b0e0573a6a9f04ed5816dec740d365abfbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b41c4de5f688e5adcb3b9b81c2d78b0e0573a6a9f04ed5816dec740d365abfbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b41c4de5f688e5adcb3b9b81c2d78b0e0573a6a9f04ed5816dec740d365abfbe", kill_on_drop: false }` [INFO] [stdout] b41c4de5f688e5adcb3b9b81c2d78b0e0573a6a9f04ed5816dec740d365abfbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7bea7c93ede45751bdda871281425fdab85f574f67f3740909639650561dcf68 [INFO] running `Command { std: "docker" "start" "-a" "7bea7c93ede45751bdda871281425fdab85f574f67f3740909639650561dcf68", kill_on_drop: false }` [INFO] [stderr] Compiling algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q11.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | 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: `max_area` [INFO] [stdout] --> src/q11.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn max_area(height: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q12.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: `parse_1` [INFO] [stdout] --> src/q12.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | fn parse_1(num: i32) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_2` [INFO] [stdout] --> src/q12.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | fn parse_2(num: i32) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_3` [INFO] [stdout] --> src/q12.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn parse_3(num: i32) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_4` [INFO] [stdout] --> src/q12.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn parse_4(num: i32) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `int_to_roman` [INFO] [stdout] --> src/q12.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn int_to_roman(num: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `BestSolution` [INFO] [stdout] --> src/q12.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | struct BestSolution {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `int_to_roman` [INFO] [stdout] --> src/q12.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn int_to_roman(num: i32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q14.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: `longest_common_prefix` [INFO] [stdout] --> src/q14.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn longest_common_prefix(strs: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q20.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/q20.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q1342.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: `number_of_steps` [INFO] [stdout] --> src/q1342.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn number_of_steps(num: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q1389.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: `create_target_array` [INFO] [stdout] --> src/q1389.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn create_target_array(nums: Vec, index: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q1470.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: `shuffle` [INFO] [stdout] --> src/q1470.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn shuffle(nums: Vec, n: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q1528.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: `restore_string` [INFO] [stdout] --> src/q1528.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn restore_string(s: String, indices: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q1678.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: `interpret` [INFO] [stdout] --> src/q1678.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn interpret(command: String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `BestSolution` [INFO] [stdout] --> src/q1678.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct BestSolution {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `interpret` [INFO] [stdout] --> src/q1678.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn interpret(command: String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q1689.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_partitions` [INFO] [stdout] --> src/q1689.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn min_partitions(n: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q1769.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: `min_operations` [INFO] [stdout] --> src/q1769.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn min_operations(boxes: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `BestSolution` [INFO] [stdout] --> src/q1769.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct BestSolution {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_operations` [INFO] [stdout] --> src/q1769.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn min_operations(boxes: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/q2011.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: `final_value_after_operations` [INFO] [stdout] --> src/q2011.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn final_value_after_operations(operations: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "7bea7c93ede45751bdda871281425fdab85f574f67f3740909639650561dcf68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bea7c93ede45751bdda871281425fdab85f574f67f3740909639650561dcf68", kill_on_drop: false }` [INFO] [stdout] 7bea7c93ede45751bdda871281425fdab85f574f67f3740909639650561dcf68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a05da296ce86e8549e3f69f2ef7cea4b56d0b4e15ad60433a6cfbab97d5375e5 [INFO] running `Command { std: "docker" "start" "-a" "a05da296ce86e8549e3f69f2ef7cea4b56d0b4e15ad60433a6cfbab97d5375e5", kill_on_drop: false }` [INFO] [stderr] Compiling algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "a05da296ce86e8549e3f69f2ef7cea4b56d0b4e15ad60433a6cfbab97d5375e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a05da296ce86e8549e3f69f2ef7cea4b56d0b4e15ad60433a6cfbab97d5375e5", kill_on_drop: false }` [INFO] [stdout] a05da296ce86e8549e3f69f2ef7cea4b56d0b4e15ad60433a6cfbab97d5375e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8a5a088b90b2322989016d66187007b4f59238374a5f3702fbe8c21bc5a6c56b [INFO] running `Command { std: "docker" "start" "-a" "8a5a088b90b2322989016d66187007b4f59238374a5f3702fbe8c21bc5a6c56b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.44s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/algorithm-d9d1ae40ee337d27) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test q11::test ... ok [INFO] [stdout] test q1342::test ... ok [INFO] [stdout] test q1389::test ... ok [INFO] [stdout] test q14::test ... ok [INFO] [stdout] test q1528::test ... ok [INFO] [stdout] test q1470::test ... ok [INFO] [stdout] test q12::test ... ok [INFO] [stdout] test q1678::test ... ok [INFO] [stdout] test q1689::test ... ok [INFO] [stdout] test q1769::test ... ok [INFO] [stdout] test q2011::test ... ok [INFO] [stdout] test q20::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8a5a088b90b2322989016d66187007b4f59238374a5f3702fbe8c21bc5a6c56b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a5a088b90b2322989016d66187007b4f59238374a5f3702fbe8c21bc5a6c56b", kill_on_drop: false }` [INFO] [stdout] 8a5a088b90b2322989016d66187007b4f59238374a5f3702fbe8c21bc5a6c56b