[INFO] cloning repository https://github.com/LeeReindeer/LeetCode-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeeReindeer/LeetCode-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeReindeer%2FLeetCode-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeReindeer%2FLeetCode-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] acd5528bb285582ac790c8642b377eaeffe6092b [INFO] testing LeeReindeer/LeetCode-Rust 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%2FLeeReindeer%2FLeetCode-Rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LeeReindeer/LeetCode-Rust 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/LeeReindeer/LeetCode-Rust [INFO] finished tweaking git repo https://github.com/LeeReindeer/LeetCode-Rust [INFO] tweaked toml for git repo https://github.com/LeeReindeer/LeetCode-Rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/LeeReindeer/LeetCode-Rust 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] Downloading crates ... [INFO] [stderr] Downloaded curl v0.4.28 [INFO] [stderr] Downloaded curl-sys v0.4.30+curl-7.69.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 78d622e095c37a012c09f95c0b79968215413ff4b7dab946749f1414edb2455d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "78d622e095c37a012c09f95c0b79968215413ff4b7dab946749f1414edb2455d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78d622e095c37a012c09f95c0b79968215413ff4b7dab946749f1414edb2455d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78d622e095c37a012c09f95c0b79968215413ff4b7dab946749f1414edb2455d", kill_on_drop: false }` [INFO] [stdout] 78d622e095c37a012c09f95c0b79968215413ff4b7dab946749f1414edb2455d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aaeb5841f8e77e67ccae68bec10d0381f046e2bbe4c31ba3c97b1967323c3022 [INFO] running `Command { std: "docker" "start" "-a" "aaeb5841f8e77e67ccae68bec10d0381f046e2bbe4c31ba3c97b1967323c3022", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling curl v0.4.28 [INFO] [stderr] Compiling isahc v0.7.6 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling libnghttp2-sys v0.1.3 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling curl-sys v0.4.30+curl-7.69.1 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling sluice v0.4.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling surf v1.0.3 [INFO] [stderr] Compiling reqwest v0.9.24 [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | for i in (0..prices.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - for i in (0..prices.len()) { [INFO] [stdout] 18 + for i in 0..prices.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | if (prices.is_empty()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 15 - if (prices.is_empty()) { [INFO] [stdout] 15 + if prices.is_empty() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:22:18 [INFO] [stdout] | [INFO] [stdout] 22 | for i in (1..prices.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - for i in (1..prices.len()) { [INFO] [stdout] 22 + for i in 1..prices.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit_brute` [INFO] [stdout] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn max_profit_brute(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit_1` [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn max_profit_1(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn max_profit(prices: Vec, fee: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn max_profit(k: i32, prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0455_assign_cookies.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_content_children` [INFO] [stdout] --> src/solution/s0455_assign_cookies.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn find_content_children(g: Vec, s: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0435_non_overlapping_intervals.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `erase_overlap_intervals` [INFO] [stdout] --> src/solution/s0435_non_overlapping_intervals.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn erase_overlap_intervals(intervals: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0392_is_subsequence.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_subsequence` [INFO] [stdout] --> src/solution/s0392_is_subsequence.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn is_subsequence(s: String, t: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `localMax` should have a snake case name [INFO] [stdout] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:40:21 [INFO] [stdout] | [INFO] [stdout] 40 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `localMax` should have a snake case name [INFO] [stdout] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 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: function is never used: `build_desc` [INFO] [stdout] --> src/main.rs:244:4 [INFO] [stdout] | [INFO] [stdout] 244 | fn build_desc(content: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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:311:5 [INFO] [stdout] | [INFO] [stdout] 311 | 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:317:5 [INFO] [stdout] | [INFO] [stdout] 317 | 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:361:9 [INFO] [stdout] | [INFO] [stdout] 361 | 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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 20s [INFO] running `Command { std: "docker" "inspect" "aaeb5841f8e77e67ccae68bec10d0381f046e2bbe4c31ba3c97b1967323c3022", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aaeb5841f8e77e67ccae68bec10d0381f046e2bbe4c31ba3c97b1967323c3022", kill_on_drop: false }` [INFO] [stdout] aaeb5841f8e77e67ccae68bec10d0381f046e2bbe4c31ba3c97b1967323c3022 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 279c542be743812e686726fe368118ad532be487d8638a8cbc478685bd604c33 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "279c542be743812e686726fe368118ad532be487d8638a8cbc478685bd604c33", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | for i in (0..prices.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - for i in (0..prices.len()) { [INFO] [stdout] 18 + for i in 0..prices.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | if (prices.is_empty()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 15 - if (prices.is_empty()) { [INFO] [stdout] 15 + if prices.is_empty() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:22:18 [INFO] [stdout] | [INFO] [stdout] 22 | for i in (1..prices.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - for i in (1..prices.len()) { [INFO] [stdout] 22 + for i in 1..prices.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit_brute` [INFO] [stdout] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn max_profit_brute(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit_1` [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn max_profit_1(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn max_profit(prices: Vec, fee: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn max_profit(k: i32, prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_profit` [INFO] [stdout] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0455_assign_cookies.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_content_children` [INFO] [stdout] --> src/solution/s0455_assign_cookies.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn find_content_children(g: Vec, s: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0435_non_overlapping_intervals.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `erase_overlap_intervals` [INFO] [stdout] --> src/solution/s0435_non_overlapping_intervals.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn erase_overlap_intervals(intervals: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0392_is_subsequence.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_subsequence` [INFO] [stdout] --> src/solution/s0392_is_subsequence.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn is_subsequence(s: String, t: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `localMax` should have a snake case name [INFO] [stdout] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:40:21 [INFO] [stdout] | [INFO] [stdout] 40 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `localMax` should have a snake case name [INFO] [stdout] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | for i in (0..prices.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - for i in (0..prices.len()) { [INFO] [stdout] 18 + for i in 0..prices.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | if (prices.is_empty()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 15 - if (prices.is_empty()) { [INFO] [stdout] 15 + if prices.is_empty() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:22:18 [INFO] [stdout] | [INFO] [stdout] 22 | for i in (1..prices.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - for i in (1..prices.len()) { [INFO] [stdout] 22 + for i in 1..prices.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `localMax` should have a snake case name [INFO] [stdout] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:40:21 [INFO] [stdout] | [INFO] [stdout] 40 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `localMax` should have a snake case name [INFO] [stdout] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `build_desc` [INFO] [stdout] --> src/main.rs:244:4 [INFO] [stdout] | [INFO] [stdout] 244 | fn build_desc(content: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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:311:5 [INFO] [stdout] | [INFO] [stdout] 311 | 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:317:5 [INFO] [stdout] | [INFO] [stdout] 317 | 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:361:9 [INFO] [stdout] | [INFO] [stdout] 361 | 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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "279c542be743812e686726fe368118ad532be487d8638a8cbc478685bd604c33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "279c542be743812e686726fe368118ad532be487d8638a8cbc478685bd604c33", kill_on_drop: false }` [INFO] [stdout] 279c542be743812e686726fe368118ad532be487d8638a8cbc478685bd604c33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 064c3dd2d2254a4c4b3ee6314e72aeb240badf855004971d0bda16e290ef077c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "064c3dd2d2254a4c4b3ee6314e72aeb240badf855004971d0bda16e290ef077c", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:18:18 [INFO] [stderr] | [INFO] [stderr] 18 | for i in (0..prices.len()) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 18 - for i in (0..prices.len()) { [INFO] [stderr] 18 + for i in 0..prices.len() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | if (prices.is_empty()) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 15 - if (prices.is_empty()) { [INFO] [stderr] 15 + if prices.is_empty() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:22:18 [INFO] [stderr] | [INFO] [stderr] 22 | for i in (1..prices.len()) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 22 - for i in (1..prices.len()) { [INFO] [stderr] 22 + for i in 1..prices.len() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | 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: `max_profit` [INFO] [stderr] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_profit_brute` [INFO] [stderr] --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn max_profit_brute(prices: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_profit` [INFO] [stderr] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_profit_1` [INFO] [stderr] --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn max_profit_1(prices: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_profit` [INFO] [stderr] --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn max_profit(prices: Vec, fee: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_profit` [INFO] [stderr] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn max_profit(k: i32, prices: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_profit` [INFO] [stderr] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0455_assign_cookies.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `find_content_children` [INFO] [stderr] --> src/solution/s0455_assign_cookies.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn find_content_children(g: Vec, s: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0435_non_overlapping_intervals.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `erase_overlap_intervals` [INFO] [stderr] --> src/solution/s0435_non_overlapping_intervals.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn erase_overlap_intervals(intervals: Vec>) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s0392_is_subsequence.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_subsequence` [INFO] [stderr] --> src/solution/s0392_is_subsequence.rs:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn is_subsequence(s: String, t: String) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `localMax` should have a snake case name [INFO] [stderr] --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:40:21 [INFO] [stderr] | [INFO] [stderr] 40 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `localMax` should have a snake case name [INFO] [stderr] --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:26:21 [INFO] [stderr] | [INFO] [stderr] 26 | let mut localMax = dp[i - 1][0] - prices[0]; [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `local_max` [INFO] [stderr] [INFO] [stderr] warning: `leetcode-rust` (lib) generated 23 warnings [INFO] [stderr] warning: `leetcode-rust` (lib test) generated 5 warnings (5 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: function is never used: `build_desc` [INFO] [stderr] --> src/main.rs:244:4 [INFO] [stderr] | [INFO] [stderr] 244 | fn build_desc(content: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` 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:311:5 [INFO] [stderr] | [INFO] [stderr] 311 | 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:317:5 [INFO] [stderr] | [INFO] [stderr] 317 | 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:361:9 [INFO] [stderr] | [INFO] [stderr] 361 | 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 15 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-5e6c8374aaa2dc2a) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test solution::s0121_best_time_to_buy_and_sell_stock::tests::test_121 ... ok [INFO] [stdout] test solution::s0188_best_time_to_buy_and_sell_stock_iv::tests::test_188 ... ok [INFO] [stdout] test solution::s0392_is_subsequence::tests::test_392 ... ok [INFO] [stdout] test solution::s0714_best_time_to_buy_and_sell_stock_with_transaction_fee::tests::test_714 ... ok [INFO] [stdout] test solution::s0435_non_overlapping_intervals::tests::test_435 ... ok [INFO] [stdout] test solution::s0455_assign_cookies::tests::test_455 ... ok [INFO] [stdout] test solution::s0309_best_time_to_buy_and_sell_stock_with_cooldown::tests::test_309 ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-d7bc516fa3457f47) [INFO] [stdout] test solution::s0123_best_time_to_buy_and_sell_stock_iii::tests::test_123 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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" "064c3dd2d2254a4c4b3ee6314e72aeb240badf855004971d0bda16e290ef077c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "064c3dd2d2254a4c4b3ee6314e72aeb240badf855004971d0bda16e290ef077c", kill_on_drop: false }` [INFO] [stdout] 064c3dd2d2254a4c4b3ee6314e72aeb240badf855004971d0bda16e290ef077c