[INFO] cloning repository https://github.com/xanahopper/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xanahopper/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba642dc6016fd32107a0b30b2b3a1db9f04c8b7f [INFO] testing xanahopper/leetcode 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%2Fxanahopper%2Fleetcode" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xanahopper/leetcode 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/xanahopper/leetcode [INFO] finished tweaking git repo https://github.com/xanahopper/leetcode [INFO] tweaked toml for git repo https://github.com/xanahopper/leetcode written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/xanahopper/leetcode 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2bc457f55534b4c227ac57a2a7a6f8df3b6b5e2da240bee95f91e08b68b61d9f [INFO] running `Command { std: "docker" "start" "-a" "2bc457f55534b4c227ac57a2a7a6f8df3b6b5e2da240bee95f91e08b68b61d9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bc457f55534b4c227ac57a2a7a6f8df3b6b5e2da240bee95f91e08b68b61d9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bc457f55534b4c227ac57a2a7a6f8df3b6b5e2da240bee95f91e08b68b61d9f", kill_on_drop: false }` [INFO] [stdout] 2bc457f55534b4c227ac57a2a7a6f8df3b6b5e2da240bee95f91e08b68b61d9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4a21475ee6ec46ebbae2efdf8c17a985c43a191bde59abab8c3677b166867a1f [INFO] running `Command { std: "docker" "start" "-a" "4a21475ee6ec46ebbae2efdf8c17a985c43a191bde59abab8c3677b166867a1f", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling leetcode_test v0.1.1 [INFO] [stderr] Compiling leetcode_prelude v0.2.2 [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/algorithm/kmp.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | fn index_of(&self, pattern: &String) -> Option { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_5.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn longest_palindrome(s: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_13.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `big` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_big` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `medium` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `small` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:35 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_small` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `car_type` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:61:23 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:55:50 [INFO] [stdout] | [INFO] [stdout] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/leetcode/editor/cn/solution_706.rs:96:69 [INFO] [stdout] | [INFO] [stdout] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/leetcode/editor/cn/solution_706.rs:96:26 [INFO] [stdout] | [INFO] [stdout] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut len: i32 = row.len() as i32; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut fx = self.find(x) as usize; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut fy = self.find(y) as usize; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_354.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn max_envelopes(mut envelopes: Vec>) -> i32 { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:55:41 [INFO] [stdout] | [INFO] [stdout] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut stack = s.as_bytes().iter() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumMatrix { [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: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ParkingSystem` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct ParkingSystem { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_car` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Number` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | Number(i32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Minus` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quote` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | Quote, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `End` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | End, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ignore` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | Ignore [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyHashSet` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct MyHashSet { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | fn add(&mut self, key: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn remove(&mut self, key: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | fn contains(&self, key: i32) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn hash(key: i32) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Result` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 38 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.99s [INFO] running `Command { std: "docker" "inspect" "4a21475ee6ec46ebbae2efdf8c17a985c43a191bde59abab8c3677b166867a1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a21475ee6ec46ebbae2efdf8c17a985c43a191bde59abab8c3677b166867a1f", kill_on_drop: false }` [INFO] [stdout] 4a21475ee6ec46ebbae2efdf8c17a985c43a191bde59abab8c3677b166867a1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 70051e263e2ca3146d536aefe959c28965ed5a3734d63579f507b68d427cc011 [INFO] running `Command { std: "docker" "start" "-a" "70051e263e2ca3146d536aefe959c28965ed5a3734d63579f507b68d427cc011", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/algorithm/kmp.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | fn index_of(&self, pattern: &String) -> Option { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_5.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn longest_palindrome(s: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_13.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `big` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_big` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `medium` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `small` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:35 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_small` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `car_type` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:61:23 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:55:50 [INFO] [stdout] | [INFO] [stdout] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/leetcode/editor/cn/solution_706.rs:96:69 [INFO] [stdout] | [INFO] [stdout] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/leetcode/editor/cn/solution_706.rs:96:26 [INFO] [stdout] | [INFO] [stdout] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut len: i32 = row.len() as i32; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut fx = self.find(x) as usize; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut fy = self.find(y) as usize; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_354.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn max_envelopes(mut envelopes: Vec>) -> i32 { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:55:41 [INFO] [stdout] | [INFO] [stdout] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut stack = s.as_bytes().iter() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumMatrix { [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: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ParkingSystem` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct ParkingSystem { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_car` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Number` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | Number(i32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Minus` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Quote` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | Quote, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `End` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | End, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ignore` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | Ignore [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyHashSet` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct MyHashSet { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | fn add(&mut self, key: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn remove(&mut self, key: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | fn contains(&self, key: i32) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn hash(key: i32) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Result` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 38 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/algorithm/kmp.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | fn index_of(&self, pattern: &String) -> Option { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_5.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn longest_palindrome(s: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_13.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `big` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_big` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `medium` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `small` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:35 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_small` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `car_type` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:61:23 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:55:50 [INFO] [stdout] | [INFO] [stdout] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/leetcode/editor/cn/solution_706.rs:96:69 [INFO] [stdout] | [INFO] [stdout] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/leetcode/editor/cn/solution_706.rs:96:26 [INFO] [stdout] | [INFO] [stdout] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut len: i32 = row.len() as i32; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut fx = self.find(x) as usize; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut fy = self.find(y) as usize; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_354.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn max_envelopes(mut envelopes: Vec>) -> i32 { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:55:41 [INFO] [stdout] | [INFO] [stdout] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut stack = s.as_bytes().iter() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumMatrix { [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: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ParkingSystem` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct ParkingSystem { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_car` [INFO] [stdout] --> src/leetcode/editor/cn/solution_1603.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Number` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | Number(i32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Minus` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quote` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | Quote, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `End` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | End, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ignore` [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | Ignore [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stdout] | [INFO] [stdout] 45 | #[derive(Copy, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyHashSet` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct MyHashSet { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | fn add(&mut self, key: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn remove(&mut self, key: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | fn contains(&self, key: i32) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/leetcode/editor/cn/solution_705.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | fn hash(key: i32) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Result` [INFO] [stdout] --> src/leetcode/editor/cn/solution_838.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 38 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "70051e263e2ca3146d536aefe959c28965ed5a3734d63579f507b68d427cc011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70051e263e2ca3146d536aefe959c28965ed5a3734d63579f507b68d427cc011", kill_on_drop: false }` [INFO] [stdout] 70051e263e2ca3146d536aefe959c28965ed5a3734d63579f507b68d427cc011 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1e7b3050c4703c75cebb10060f8ecf725cd48107dab1f0b87463e2eaf1f4183c [INFO] running `Command { std: "docker" "start" "-a" "1e7b3050c4703c75cebb10060f8ecf725cd48107dab1f0b87463e2eaf1f4183c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/leetcode/editor/cn/solution_765.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter` [INFO] [stderr] --> src/leetcode/editor/cn/solution_838.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | use std::iter; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/leetcode/editor/cn/solution_838.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pattern` [INFO] [stderr] --> src/algorithm/kmp.rs:10:24 [INFO] [stderr] | [INFO] [stderr] 10 | fn index_of(&self, pattern: &String) -> Option { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/leetcode/editor/cn/solution_5.rs:26:31 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn longest_palindrome(s: String) -> String { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/leetcode/editor/cn/solution_13.rs:73:25 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `big` [INFO] [stderr] --> src/leetcode/editor/cn/solution_1603.rs:57:12 [INFO] [stderr] | [INFO] [stderr] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_big` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `medium` [INFO] [stderr] --> src/leetcode/editor/cn/solution_1603.rs:57:22 [INFO] [stderr] | [INFO] [stderr] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `small` [INFO] [stderr] --> src/leetcode/editor/cn/solution_1603.rs:57:35 [INFO] [stderr] | [INFO] [stderr] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_small` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `car_type` [INFO] [stderr] --> src/leetcode/editor/cn/solution_1603.rs:61:23 [INFO] [stderr] | [INFO] [stderr] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car_type` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:55:50 [INFO] [stderr] | [INFO] [stderr] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/leetcode/editor/cn/solution_706.rs:96:69 [INFO] [stderr] | [INFO] [stderr] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/leetcode/editor/cn/solution_706.rs:96:26 [INFO] [stderr] | [INFO] [stderr] 96 | if let Some((k, v)) = bucket.iter_mut().find(|&&mut (k, v)| k == key) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/leetcode/editor/cn/solution_765.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let mut len: i32 = row.len() as i32; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/leetcode/editor/cn/solution_765.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | let mut fx = self.find(x) as usize; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/leetcode/editor/cn/solution_765.rs:74:13 [INFO] [stderr] | [INFO] [stderr] 74 | let mut fy = self.find(y) as usize; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/leetcode/editor/cn/solution_354.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn max_envelopes(mut envelopes: Vec>) -> i32 { [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:55:41 [INFO] [stderr] | [INFO] [stderr] 55 | .fold(Vec::::new(), |mut acc, x| { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | let mut stack = s.as_bytes().iter() [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `NumMatrix` [INFO] [stderr] --> src/leetcode/editor/cn/solution_304.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | struct NumMatrix { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/leetcode/editor/cn/solution_304.rs:45:8 [INFO] [stderr] | [INFO] [stderr] 45 | fn new(matrix: Vec>) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `sum_region` [INFO] [stderr] --> src/leetcode/editor/cn/solution_304.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ParkingSystem` [INFO] [stderr] --> src/leetcode/editor/cn/solution_1603.rs:46:8 [INFO] [stderr] | [INFO] [stderr] 46 | struct ParkingSystem { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/leetcode/editor/cn/solution_1603.rs:57:8 [INFO] [stderr] | [INFO] [stderr] 57 | fn new(big: i32, medium: i32, small: i32) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_car` [INFO] [stderr] --> src/leetcode/editor/cn/solution_1603.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | fn add_car(&self, car_type: i32) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | Number(i32), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | #[derive(Copy, Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | #[derive(Copy, Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Minus` [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | Minus, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | #[derive(Copy, Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quote` [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | Quote, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | #[derive(Copy, Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `End` [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | End, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | #[derive(Copy, Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ignore` [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | Ignore [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/leetcode/editor/cn/solution_224.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | #[derive(Copy, Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MyHashSet` [INFO] [stderr] --> src/leetcode/editor/cn/solution_705.rs:50:8 [INFO] [stderr] | [INFO] [stderr] 50 | struct MyHashSet { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/leetcode/editor/cn/solution_705.rs:62:8 [INFO] [stderr] | [INFO] [stderr] 62 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add` [INFO] [stderr] --> src/leetcode/editor/cn/solution_705.rs:68:8 [INFO] [stderr] | [INFO] [stderr] 68 | fn add(&mut self, key: i32) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove` [INFO] [stderr] --> src/leetcode/editor/cn/solution_705.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 72 | fn remove(&mut self, key: i32) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `contains` [INFO] [stderr] --> src/leetcode/editor/cn/solution_705.rs:77:8 [INFO] [stderr] | [INFO] [stderr] 77 | fn contains(&self, key: i32) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `hash` [INFO] [stderr] --> src/leetcode/editor/cn/solution_705.rs:81:8 [INFO] [stderr] | [INFO] [stderr] 81 | fn hash(key: i32) -> usize { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Result` [INFO] [stderr] --> src/leetcode/editor/cn/solution_838.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | struct Result { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `leetcode` (lib) generated 38 warnings [INFO] [stderr] warning: `leetcode` (lib test) generated 38 warnings (38 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode-c0a7e6e50e61f355) [INFO] [stdout] [INFO] [stdout] running 26 tests [INFO] [stdout] test tests::n115_test ... ok [INFO] [stdout] test tests::n1178_test ... ok [INFO] [stdout] test tests::n14_test ... ok [INFO] [stdout] test tests::n1_test ... ok [INFO] [stdout] test tests::n232_test ... ok [INFO] [stdout] test tests::n28_test ... ok [INFO] [stdout] test tests::n2_test ... ok [INFO] [stdout] test tests::n303_test ... ok [INFO] [stdout] test tests::n331_test ... ok [INFO] [stdout] test tests::n338_test ... ok [INFO] [stdout] test tests::n395_test ... ok [INFO] [stdout] test tests::n3_test ... ok [INFO] [stdout] test tests::n4_test ... ok [INFO] [stdout] test tests::n460_test ... ok [INFO] [stdout] test tests::n54_test ... ok [INFO] [stdout] test tests::n1994_test ... ok [INFO] [stdout] test tests::n6_test ... ok [INFO] [stdout] test tests::n706_test ... ok [INFO] [stdout] test tests::n765_test ... ok [INFO] [stdout] test tests::n7_test ... ok [INFO] [stdout] test tests::n832_test ... ok [INFO] [stdout] test tests::n838_test ... ok [INFO] [stdout] test tests::n887_test ... ok [INFO] [stdout] test tests::n896_test ... ok [INFO] [stdout] test tests::n8_test ... ok [INFO] [stdout] test tests::n9_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode-370664c877c9dbb6) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests leetcode [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1e7b3050c4703c75cebb10060f8ecf725cd48107dab1f0b87463e2eaf1f4183c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e7b3050c4703c75cebb10060f8ecf725cd48107dab1f0b87463e2eaf1f4183c", kill_on_drop: false }` [INFO] [stdout] 1e7b3050c4703c75cebb10060f8ecf725cd48107dab1f0b87463e2eaf1f4183c