[INFO] cloning repository https://github.com/ahabhgk/lc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahabhgk/lc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahabhgk%2Flc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahabhgk%2Flc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 808853ae51ae806f9200a3274bafc3f418384b77 [INFO] testing ahabhgk/lc-rs against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahabhgk%2Flc-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahabhgk/lc-rs on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0/source/.cargo/config [INFO] started tweaking git repo https://github.com/ahabhgk/lc-rs [INFO] finished tweaking git repo https://github.com/ahabhgk/lc-rs [INFO] tweaked toml for git repo https://github.com/ahabhgk/lc-rs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ahabhgk/lc-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pin-project-lite v0.2.5 [INFO] [stderr] Downloaded sluice v0.5.4 [INFO] [stderr] Downloaded surf v2.2.0 [INFO] [stderr] Downloaded http-client v6.3.3 [INFO] [stderr] Downloaded curl-sys v0.4.40+curl-7.75.0 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.6+1.43.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1ed4abf7e852239b7bc6492759b17faffd62ba313bf06b66cd006e22eb91ff4 [INFO] running `Command { std: "docker" "start" "-a" "d1ed4abf7e852239b7bc6492759b17faffd62ba313bf06b66cd006e22eb91ff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1ed4abf7e852239b7bc6492759b17faffd62ba313bf06b66cd006e22eb91ff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1ed4abf7e852239b7bc6492759b17faffd62ba313bf06b66cd006e22eb91ff4", kill_on_drop: false }` [INFO] [stdout] d1ed4abf7e852239b7bc6492759b17faffd62ba313bf06b66cd006e22eb91ff4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ad9341cf8aaa105cc61d4ca0ecb9f7c70405d9eecfefcde5cf87fb1c871295d [INFO] running `Command { std: "docker" "start" "-a" "3ad9341cf8aaa105cc61d4ca0ecb9f7c70405d9eecfefcde5cf87fb1c871295d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling libc v0.2.87 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.6 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.13 [INFO] [stderr] Compiling pin-project-lite v0.2.5 [INFO] [stderr] Compiling futures-io v0.3.13 [INFO] [stderr] Compiling futures-sink v0.3.13 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling fastrand v1.4.0 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling vec-arena v1.0.0 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling cpuid-bool v0.2.0 [INFO] [stderr] Compiling async-task v4.0.3 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling curl v0.4.34 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling isahc v0.9.14 [INFO] [stderr] Compiling data-encoding v2.3.2 [INFO] [stderr] Compiling http-types v2.10.0 [INFO] [stderr] Compiling infer v0.2.3 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling libnghttp2-sys v0.1.6+1.43.0 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling standback v0.2.15 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Compiling curl-sys v0.4.40+curl-7.75.0 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling time v0.2.25 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling cookie v0.14.4 [INFO] [stderr] Compiling spinning_top v0.2.2 [INFO] [stderr] Compiling cipher v0.2.5 [INFO] [stderr] Compiling universal-hash v0.4.0 [INFO] [stderr] Compiling crypto-mac v0.10.0 [INFO] [stderr] Compiling aead v0.3.2 [INFO] [stderr] Compiling sha2 v0.9.3 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling flume v0.9.2 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.3.0 [INFO] [stderr] Compiling polyval v0.4.5 [INFO] [stderr] Compiling aes-soft v0.6.4 [INFO] [stderr] Compiling ctr v0.6.0 [INFO] [stderr] Compiling hmac v0.10.1 [INFO] [stderr] Compiling futures-lite v1.11.3 [INFO] [stderr] Compiling http v0.2.3 [INFO] [stderr] Compiling hkdf v0.10.0 [INFO] [stderr] Compiling sluice v0.5.4 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling ghash v0.3.1 [INFO] [stderr] Compiling aes v0.6.0 [INFO] [stderr] Compiling aes-gcm v0.8.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling async-executor v1.4.0 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling dashmap v4.0.2 [INFO] [stderr] Compiling nb-connect v1.0.3 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling idna v0.2.2 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling http-body v0.4.0 [INFO] [stderr] Compiling ctor v0.1.19 [INFO] [stderr] Compiling tracing-attributes v0.1.13 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling time-macros v0.1.1 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling mio v0.7.9 [INFO] [stderr] Compiling polling v2.0.2 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling pin-project v1.0.5 [INFO] [stderr] Compiling async-io v1.3.1 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-std v1.9.0 [INFO] [stderr] Compiling futures-executor v0.3.13 [INFO] [stderr] Compiling futures v0.3.13 [INFO] [stderr] Compiling tokio-util v0.6.3 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.3.1 [INFO] [stderr] Compiling url v2.2.1 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling serde_qs v0.7.2 [INFO] [stderr] Compiling hyper v0.14.4 [INFO] [stderr] Compiling http-client v6.3.3 [INFO] [stderr] Compiling surf v2.2.0 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.1 [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:51:10 [INFO] [stdout] | [INFO] [stdout] 51 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 71 | sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] 71 + sum += self.row_sums[i][col2 + 1] - self.row_sums[i][col1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | 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: `partition` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn partition(s: String) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_palindrome` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | fn is_palindrome(s: &[u8], mut i: usize, mut j: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | fn dfs(i: usize, s: &str, ans: &mut Vec, res: &mut Vec>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0224_basic_calculator.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0224_basic_calculator.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyQueue` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct MyQueue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | fn peek(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumArray` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumArray { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn new(nums: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_range` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn sum_range(&self, i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct NumMatrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.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: `Solution` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid_serialization` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn is_valid_serialization(preorder: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count_bits` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn count_bits(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_envelopes` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn max_envelopes(envelopes: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_greater_elements` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn next_greater_elements(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_duplicates` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn remove_duplicates(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::StreamExt` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use futures::stream::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_random` is assigned to, but never used [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut is_random = false; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_is_random` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_solving` is assigned to, but never used [INFO] [stdout] --> src/main.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | let mut is_solving = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_solving` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut id: u32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_random` is never read [INFO] [stdout] --> src/main.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | is_random = true; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_solving` is never read [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | is_solving = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut mod_file_addon = Arc::new(Mutex::new(vec![])); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | writeln!(lib_file, "{}", mod_file_addon.lock().unwrap().join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:310:5 [INFO] [stdout] | [INFO] [stdout] 310 | fs::write(mod_file, lines.join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:316:5 [INFO] [stdout] | [INFO] [stdout] 316 | writeln!(lib_file, "mod {};", solution_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | writeln!(lib_file, "mod {};", file_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "3ad9341cf8aaa105cc61d4ca0ecb9f7c70405d9eecfefcde5cf87fb1c871295d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ad9341cf8aaa105cc61d4ca0ecb9f7c70405d9eecfefcde5cf87fb1c871295d", kill_on_drop: false }` [INFO] [stdout] 3ad9341cf8aaa105cc61d4ca0ecb9f7c70405d9eecfefcde5cf87fb1c871295d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fca0f88649d3a403a9a6295de012a60f83df4e6739dfd01842a9efce6a32a85 [INFO] running `Command { std: "docker" "start" "-a" "2fca0f88649d3a403a9a6295de012a60f83df4e6739dfd01842a9efce6a32a85", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:51:10 [INFO] [stdout] | [INFO] [stdout] 51 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 71 | sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] 71 + sum += self.row_sums[i][col2 + 1] - self.row_sums[i][col1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | 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: `partition` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn partition(s: String) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_palindrome` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | fn is_palindrome(s: &[u8], mut i: usize, mut j: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | fn dfs(i: usize, s: &str, ans: &mut Vec, res: &mut Vec>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0224_basic_calculator.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0224_basic_calculator.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyQueue` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct MyQueue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | fn peek(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumArray` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumArray { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn new(nums: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_range` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn sum_range(&self, i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct NumMatrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.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: `Solution` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid_serialization` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn is_valid_serialization(preorder: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count_bits` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn count_bits(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_envelopes` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn max_envelopes(envelopes: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_greater_elements` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn next_greater_elements(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_duplicates` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn remove_duplicates(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:51:10 [INFO] [stdout] | [INFO] [stdout] 51 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 71 | sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] 71 + sum += self.row_sums[i][col2 + 1] - self.row_sums[i][col1]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | 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: `partition` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn partition(s: String) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_palindrome` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | fn is_palindrome(s: &[u8], mut i: usize, mut j: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | fn dfs(i: usize, s: &str, ans: &mut Vec, res: &mut Vec>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyQueue` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct MyQueue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | fn peek(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumArray` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumArray { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn new(nums: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_range` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn sum_range(&self, i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct NumMatrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.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: `Solution` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid_serialization` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn is_valid_serialization(preorder: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count_bits` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn count_bits(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_envelopes` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn max_envelopes(envelopes: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_greater_elements` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn next_greater_elements(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_duplicates` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn remove_duplicates(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::StreamExt` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use futures::stream::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_random` is assigned to, but never used [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut is_random = false; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_is_random` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_solving` is assigned to, but never used [INFO] [stdout] --> src/main.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | let mut is_solving = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_solving` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut id: u32 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_random` is never read [INFO] [stdout] --> src/main.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | is_random = true; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_solving` is never read [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | is_solving = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut mod_file_addon = Arc::new(Mutex::new(vec![])); [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: 44 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | writeln!(lib_file, "{}", mod_file_addon.lock().unwrap().join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:310:5 [INFO] [stdout] | [INFO] [stdout] 310 | fs::write(mod_file, lines.join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:316:5 [INFO] [stdout] | [INFO] [stdout] 316 | writeln!(lib_file, "mod {};", solution_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | writeln!(lib_file, "mod {};", file_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "2fca0f88649d3a403a9a6295de012a60f83df4e6739dfd01842a9efce6a32a85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fca0f88649d3a403a9a6295de012a60f83df4e6739dfd01842a9efce6a32a85", kill_on_drop: false }` [INFO] [stdout] 2fca0f88649d3a403a9a6295de012a60f83df4e6739dfd01842a9efce6a32a85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e0bbb699f1dc601f5f63b28b4dc47c80056b8aae9c168911f44099c71465ccfd [INFO] running `Command { std: "docker" "start" "-a" "e0bbb699f1dc601f5f63b28b4dc47c80056b8aae9c168911f44099c71465ccfd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/solution/s0131_palindrome_partitioning.rs:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/solution/s0131_palindrome_partitioning.rs:51:10 [INFO] [stderr] | [INFO] [stderr] 51 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/solution/s0304_range_sum_query_2d_immutable.rs:71:20 [INFO] [stderr] | [INFO] [stderr] 71 | sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 71 - sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stderr] 71 + sum += self.row_sums[i][col2 + 1] - self.row_sums[i][col1]; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0131_palindrome_partitioning.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `partition` [INFO] [stderr] --> src/solution/s0131_palindrome_partitioning.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn partition(s: String) -> Vec> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_palindrome` [INFO] [stderr] --> src/solution/s0131_palindrome_partitioning.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | fn is_palindrome(s: &[u8], mut i: usize, mut j: usize) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dfs` [INFO] [stderr] --> src/solution/s0131_palindrome_partitioning.rs:38:12 [INFO] [stderr] | [INFO] [stderr] 38 | fn dfs(i: usize, s: &str, ans: &mut Vec, res: &mut Vec>) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0224_basic_calculator.rs:31:12 [INFO] [stderr] | [INFO] [stderr] 31 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `calculate` [INFO] [stderr] --> src/solution/s0224_basic_calculator.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn calculate(s: String) -> i32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0227_basic_calculator_ii.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `calculate` [INFO] [stderr] --> src/solution/s0227_basic_calculator_ii.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn calculate(s: String) -> i32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MyQueue` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | struct MyQueue { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:59:8 [INFO] [stderr] | [INFO] [stderr] 59 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | fn push(&mut self, x: i32) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 72 | fn pop(&mut self) -> i32 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:82:8 [INFO] [stderr] | [INFO] [stderr] 82 | fn peek(&self) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `empty` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:91:8 [INFO] [stderr] | [INFO] [stderr] 91 | fn empty(&self) -> bool { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0303_range_sum_query_immutable.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `NumArray` [INFO] [stderr] --> src/solution/s0303_range_sum_query_immutable.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | struct NumArray { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/solution/s0303_range_sum_query_immutable.rs:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | fn new(nums: Vec) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `sum_range` [INFO] [stderr] --> src/solution/s0303_range_sum_query_immutable.rs:58:8 [INFO] [stderr] | [INFO] [stderr] 58 | fn sum_range(&self, i: i32, j: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0304_range_sum_query_2d_immutable.rs:37:12 [INFO] [stderr] | [INFO] [stderr] 37 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `NumMatrix` [INFO] [stderr] --> src/solution/s0304_range_sum_query_2d_immutable.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | struct NumMatrix { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/solution/s0304_range_sum_query_2d_immutable.rs:50:8 [INFO] [stderr] | [INFO] [stderr] 50 | fn new(matrix: Vec>) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `sum_region` [INFO] [stderr] --> src/solution/s0304_range_sum_query_2d_immutable.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: `Solution` [INFO] [stderr] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_valid_serialization` [INFO] [stderr] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:50:12 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn is_valid_serialization(preorder: String) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0338_counting_bits.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `count_bits` [INFO] [stderr] --> src/solution/s0338_counting_bits.rs:53:12 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn count_bits(num: i32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0354_russian_doll_envelopes.rs:32:12 [INFO] [stderr] | [INFO] [stderr] 32 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_envelopes` [INFO] [stderr] --> src/solution/s0354_russian_doll_envelopes.rs:37:12 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn max_envelopes(envelopes: Vec>) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0503_next_greater_element_ii.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `next_greater_elements` [INFO] [stderr] --> src/solution/s0503_next_greater_element_ii.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn next_greater_elements(nums: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove_duplicates` [INFO] [stderr] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:38:12 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn remove_duplicates(s: String) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0131_palindrome_partitioning.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0227_basic_calculator_ii.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0232_implement_queue_using_stacks.rs:109:9 [INFO] [stderr] | [INFO] [stderr] 109 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0303_range_sum_query_immutable.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0304_range_sum_query_2d_immutable.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0338_counting_bits.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0354_russian_doll_envelopes.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s0503_next_greater_element_ii.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `leetcode-rust` (lib) generated 36 warnings [INFO] [stderr] warning: `leetcode-rust` (lib test) generated 44 warnings (34 duplicates) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `fs` is imported redundantly [INFO] [stderr] --> src/main.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs; [INFO] [stderr] | ------- the item `fs` is already imported here [INFO] [stderr] ... [INFO] [stderr] 152 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 152 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::stream::StreamExt` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use futures::stream::StreamExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `is_random` is assigned to, but never used [INFO] [stderr] --> src/main.rs:35:17 [INFO] [stderr] | [INFO] [stderr] 35 | let mut is_random = false; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_is_random` instead [INFO] [stderr] [INFO] [stderr] warning: variable `is_solving` is assigned to, but never used [INFO] [stderr] --> src/main.rs:36:17 [INFO] [stderr] | [INFO] [stderr] 36 | let mut is_solving = false; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_is_solving` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `id` is never read [INFO] [stderr] --> src/main.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | let mut id: u32 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `is_random` is never read [INFO] [stderr] --> src/main.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | is_random = true; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `is_solving` is never read [INFO] [stderr] --> src/main.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | is_solving = true; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | let mut mod_file_addon = Arc::new(Mutex::new(vec![])); [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: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:116:13 [INFO] [stderr] | [INFO] [stderr] 116 | writeln!(lib_file, "{}", mod_file_addon.lock().unwrap().join("\n")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:310:5 [INFO] [stderr] | [INFO] [stderr] 310 | fs::write(mod_file, lines.join("\n")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:316:5 [INFO] [stderr] | [INFO] [stderr] 316 | writeln!(lib_file, "mod {};", solution_name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:359:9 [INFO] [stderr] | [INFO] [stderr] 359 | writeln!(lib_file, "mod {};", file_name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `leetcode-rust` (bin "leetcode-rust" test) generated 14 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-ee967b1fbad1a1c5) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test solution::s0131_palindrome_partitioning::tests::test_131 ... ok [INFO] [stdout] test solution::s0224_basic_calculator::tests::test_224 ... ok [INFO] [stdout] test solution::s0232_implement_queue_using_stacks::tests::test_232 ... ok [INFO] [stdout] test solution::s0303_range_sum_query_immutable::tests::test_303 ... ok [INFO] [stdout] test solution::s0304_range_sum_query_2d_immutable::tests::test_304 ... ok [INFO] [stdout] test solution::s0331_verify_preorder_serialization_of_a_binary_tree::tests::test_331 ... ok [INFO] [stdout] test solution::s0338_counting_bits::tests::test_338 ... ok [INFO] [stdout] test solution::s0354_russian_doll_envelopes::tests::test_354 ... ok [INFO] [stdout] test solution::s0503_next_greater_element_ii::tests::test_503 ... ok [INFO] [stdout] test solution::s1047_remove_all_adjacent_duplicates_in_string::tests::test_1047 ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-9053aa75388181c2) [INFO] [stdout] test solution::s0227_basic_calculator_ii::tests::test_227 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e0bbb699f1dc601f5f63b28b4dc47c80056b8aae9c168911f44099c71465ccfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0bbb699f1dc601f5f63b28b4dc47c80056b8aae9c168911f44099c71465ccfd", kill_on_drop: false }` [INFO] [stdout] e0bbb699f1dc601f5f63b28b4dc47c80056b8aae9c168911f44099c71465ccfd