[INFO] updating cached repository https://github.com/LeeReindeer/LeetCode-Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 877946aa6b7a35f17414fa0580543f730c281f66
[INFO] testing LeeReindeer/LeetCode-Rust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeReindeer%2FLeetCode-Rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeeReindeer/LeetCode-Rust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/LeeReindeer/LeetCode-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bdb2071bbadba9c6fe290ee35533c752aab262dae7a09810346f4538b5a7cd2
[INFO] running `"docker" "start" "-a" "9bdb2071bbadba9c6fe290ee35533c752aab262dae7a09810346f4538b5a7cd2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
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[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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]    |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn max_profit(prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_profit_1`
[INFO] [stderr]   --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn max_profit_1(prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn max_profit(prices: Vec<i32>, 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn max_profit(k: i32, prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn max_profit(prices: Vec<i32>) -> 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: method is never used: `find_content_children`
[INFO] [stderr]   --> src/solution/s0455_assign_cookies.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn find_content_children(g: Vec<i32>, s: Vec<i32>) -> 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: method is never used: `erase_overlap_intervals`
[INFO] [stderr]   --> src/solution/s0435_non_overlapping_intervals.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn erase_overlap_intervals(intervals: Vec<Vec<i32>>) -> 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: method is never used: `is_subsequence`
[INFO] [stderr]   --> src/solution/s0392_is_subsequence.rs:13:5
[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: 22 warnings emitted
[INFO] [stderr] 
[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:35:13
[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:36:13
[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:37:13
[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 `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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 `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `"docker" "inspect" "9bdb2071bbadba9c6fe290ee35533c752aab262dae7a09810346f4538b5a7cd2"`
[INFO] running `"docker" "rm" "-f" "9bdb2071bbadba9c6fe290ee35533c752aab262dae7a09810346f4538b5a7cd2"`
[INFO] [stdout] 9bdb2071bbadba9c6fe290ee35533c752aab262dae7a09810346f4538b5a7cd2
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f37e065629c5c906ead8ab2c6ea3978502ca7f2c1eba367d33aa28e6b2fdff1
[INFO] running `"docker" "start" "-a" "3f37e065629c5c906ead8ab2c6ea3978502ca7f2c1eba367d33aa28e6b2fdff1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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]    |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn max_profit(prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_profit_1`
[INFO] [stderr]   --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn max_profit_1(prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn max_profit(prices: Vec<i32>, 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn max_profit(k: i32, prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn max_profit(prices: Vec<i32>) -> 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: method is never used: `find_content_children`
[INFO] [stderr]   --> src/solution/s0455_assign_cookies.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn find_content_children(g: Vec<i32>, s: Vec<i32>) -> 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: method is never used: `erase_overlap_intervals`
[INFO] [stderr]   --> src/solution/s0435_non_overlapping_intervals.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn erase_overlap_intervals(intervals: Vec<Vec<i32>>) -> 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: method is never used: `is_subsequence`
[INFO] [stderr]   --> src/solution/s0392_is_subsequence.rs:13:5
[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: 22 warnings emitted
[INFO] [stderr] 
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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]    |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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: 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: 5 warnings emitted
[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:35:13
[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:36:13
[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:37:13
[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 `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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 `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `"docker" "inspect" "3f37e065629c5c906ead8ab2c6ea3978502ca7f2c1eba367d33aa28e6b2fdff1"`
[INFO] running `"docker" "rm" "-f" "3f37e065629c5c906ead8ab2c6ea3978502ca7f2c1eba367d33aa28e6b2fdff1"`
[INFO] [stdout] 3f37e065629c5c906ead8ab2c6ea3978502ca7f2c1eba367d33aa28e6b2fdff1
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 619c52a38dbeded4d4584a798b513134cc0780bdf98f01a23c402225af5a94ef
[INFO] running `"docker" "start" "-a" "619c52a38dbeded4d4584a798b513134cc0780bdf98f01a23c402225af5a94ef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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]    |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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: 5 warnings emitted
[INFO] [stderr] 
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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]    |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0121_best_time_to_buy_and_sell_stock.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn max_profit(prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_profit_1`
[INFO] [stderr]   --> src/solution/s0309_best_time_to_buy_and_sell_stock_with_cooldown.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn max_profit_1(prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0714_best_time_to_buy_and_sell_stock_with_transaction_fee.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn max_profit(prices: Vec<i32>, 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0188_best_time_to_buy_and_sell_stock_iv.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn max_profit(k: i32, prices: Vec<i32>) -> 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: method is never used: `max_profit`
[INFO] [stderr]   --> src/solution/s0123_best_time_to_buy_and_sell_stock_iii.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn max_profit(prices: Vec<i32>) -> 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: method is never used: `find_content_children`
[INFO] [stderr]   --> src/solution/s0455_assign_cookies.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn find_content_children(g: Vec<i32>, s: Vec<i32>) -> 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: method is never used: `erase_overlap_intervals`
[INFO] [stderr]   --> src/solution/s0435_non_overlapping_intervals.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn erase_overlap_intervals(intervals: Vec<Vec<i32>>) -> 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: method is never used: `is_subsequence`
[INFO] [stderr]   --> src/solution/s0392_is_subsequence.rs:13:5
[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: 22 warnings emitted
[INFO] [stderr] 
[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:35:13
[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:36:13
[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:37:13
[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 `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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 `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode_rust-c1fcd4f142420cba
[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::s0123_best_time_to_buy_and_sell_stock_iii::tests::test_123 ... ok
[INFO] [stdout] test solution::s0455_assign_cookies::tests::test_455 ... ok
[INFO] [stdout] test solution::s0392_is_subsequence::tests::test_392 ... ok
[INFO] [stdout] test solution::s0309_best_time_to_buy_and_sell_stock_with_cooldown::tests::test_309 ... ok
[INFO] [stdout] test solution::s0188_best_time_to_buy_and_sell_stock_iv::tests::test_188 ... ok
[INFO] [stdout] test solution::s0435_non_overlapping_intervals::tests::test_435 ... ok
[INFO] [stdout] test solution::s0714_best_time_to_buy_and_sell_stock_with_transaction_fee::tests::test_714 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode_rust-990c7844dc2a3734
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "619c52a38dbeded4d4584a798b513134cc0780bdf98f01a23c402225af5a94ef"`
[INFO] running `"docker" "rm" "-f" "619c52a38dbeded4d4584a798b513134cc0780bdf98f01a23c402225af5a94ef"`
[INFO] [stdout] 619c52a38dbeded4d4584a798b513134cc0780bdf98f01a23c402225af5a94ef