[INFO] cloning repository https://github.com/SuanFaRuoJi/coding_exercise_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuanFaRuoJi/coding_exercise_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanFaRuoJi%2Fcoding_exercise_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanFaRuoJi%2Fcoding_exercise_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05c1092d4cdb09b9983e1b6d8abdc90d3886c7d1
[INFO] testing SuanFaRuoJi/coding_exercise_rust against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanFaRuoJi%2Fcoding_exercise_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuanFaRuoJi/coding_exercise_rust on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuanFaRuoJi/coding_exercise_rust
[INFO] finished tweaking git repo https://github.com/SuanFaRuoJi/coding_exercise_rust
[INFO] tweaked toml for git repo https://github.com/SuanFaRuoJi/coding_exercise_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SuanFaRuoJi/coding_exercise_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90076897b5e5fca63d62382b55427da1bad97e796a4a296fc8c040dffe508432
[INFO] running `Command { std: "docker" "start" "-a" "90076897b5e5fca63d62382b55427da1bad97e796a4a296fc8c040dffe508432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90076897b5e5fca63d62382b55427da1bad97e796a4a296fc8c040dffe508432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90076897b5e5fca63d62382b55427da1bad97e796a4a296fc8c040dffe508432", kill_on_drop: false }`
[INFO] [stdout] 90076897b5e5fca63d62382b55427da1bad97e796a4a296fc8c040dffe508432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f4de276cefa3214c612d28ab58d019e1d84e2011bd3ce7cd326fcc1a91a536
[INFO] running `Command { std: "docker" "start" "-a" "64f4de276cefa3214c612d28ab58d019e1d84e2011bd3ce7cd326fcc1a91a536", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `fraction` should have an upper camel case name
[INFO] [stdout]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct fraction {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/preorder_verification_255.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/three_sum_smaller.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut partial_target = target - nums[index];
[INFO] [stdout]   |             ----^^^^^^^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stdout]   |                                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column_sum` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut column_sum = vec![0; width];
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrace` is never used
[INFO] [stdout]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AllOne` is never constructed
[INFO] [stdout]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct AllOne {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllOne {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_max_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn get_min_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "64f4de276cefa3214c612d28ab58d019e1d84e2011bd3ce7cd326fcc1a91a536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f4de276cefa3214c612d28ab58d019e1d84e2011bd3ce7cd326fcc1a91a536", kill_on_drop: false }`
[INFO] [stdout] 64f4de276cefa3214c612d28ab58d019e1d84e2011bd3ce7cd326fcc1a91a536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05f0766d29b5b9f257f97686dbca7700f023ec035a19502eb03a2c2cc1b80e9
[INFO] running `Command { std: "docker" "start" "-a" "e05f0766d29b5b9f257f97686dbca7700f023ec035a19502eb03a2c2cc1b80e9", kill_on_drop: false }`
[INFO] [stdout] warning: type `fraction` should have an upper camel case name
[INFO] [stdout]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct fraction {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/preorder_verification_255.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/three_sum_smaller.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut partial_target = target - nums[index];
[INFO] [stdout]   |             ----^^^^^^^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stdout]   |                                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column_sum` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut column_sum = vec![0; width];
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrace` is never used
[INFO] [stdout]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AllOne` is never constructed
[INFO] [stdout]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct AllOne {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllOne {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_max_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn get_min_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `fraction` should have an upper camel case name
[INFO] [stdout]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct fraction {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/preorder_verification_255.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/three_sum_smaller.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut partial_target = target - nums[index];
[INFO] [stdout]   |             ----^^^^^^^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stdout]   |                                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column_sum` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut column_sum = vec![0; width];
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrace` is never used
[INFO] [stdout]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AllOne` is never constructed
[INFO] [stdout]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct AllOne {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllOne {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_max_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn get_min_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "e05f0766d29b5b9f257f97686dbca7700f023ec035a19502eb03a2c2cc1b80e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05f0766d29b5b9f257f97686dbca7700f023ec035a19502eb03a2c2cc1b80e9", kill_on_drop: false }`
[INFO] [stdout] e05f0766d29b5b9f257f97686dbca7700f023ec035a19502eb03a2c2cc1b80e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d70537bd44ed949900f0ce8e7126a30793dacfb63569273fd30e702b12ea9325
[INFO] running `Command { std: "docker" "start" "-a" "d70537bd44ed949900f0ce8e7126a30793dacfb63569273fd30e702b12ea9325", kill_on_drop: false }`
[INFO] [stderr] warning: type `fraction` should have an upper camel case name
[INFO] [stderr]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct fraction {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::borrow::BorrowMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/preorder_verification_255.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/maximal_square_221.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stderr]    |                                     ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stderr] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/maximal_square_221.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stderr]    |                                 ^                ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stderr] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prev`
[INFO] [stderr]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut prev = -1;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut prev = -1;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn inc(&mut self, key: String) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn dec(&mut self, key: String) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/three_sum_smaller.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let mut partial_target = target - nums[index];
[INFO] [stderr]   |             ----^^^^^^^^^^^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `j` is never read
[INFO] [stderr]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stderr]   |                                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `column_sum` is never read
[INFO] [stderr]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut column_sum = vec![0; width];
[INFO] [stderr]   |             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function `backtrace` is never used
[INFO] [stderr]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AllOne` is never constructed
[INFO] [stderr]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct AllOne {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stderr]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl AllOne {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn inc(&mut self, key: String) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     fn dec(&mut self, key: String) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn get_max_key(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     fn get_min_key(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (lib) generated 19 warnings (run `cargo fix --lib -p leetcode` to apply 9 suggestions)
[INFO] [stderr] warning: `leetcode` (lib test) generated 19 warnings (19 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode-771e2c791a5d90a3)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_150 ... ok
[INFO] [stdout] test tests::test_149 ... ok
[INFO] [stdout] test tests::test_245 ... ok
[INFO] [stdout] test tests::test_516 ... ok
[INFO] [stdout] test tests::test_259 ... ok
[INFO] [stdout] test tests::test_261 ... ok
[INFO] [stdout] test tests::test_611 ... ok
[INFO] [stdout] test tests::test_364 ... ok
[INFO] [stdout] test tests::test_131 ... ok
[INFO] [stdout] test tests::test_244 ... ok
[INFO] [stdout] test tests::test_254 ... ok
[INFO] [stdout] test tests::test_249 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_249 stdout ----
[INFO] [stdout] abc: [1, 1]
[INFO] [stdout] bcd: [1, 1]
[INFO] [stdout] acef: [2, 2, 1]
[INFO] [stdout] xyz: [1, 1]
[INFO] [stdout] az: [25]
[INFO] [stdout] ba: [25]
[INFO] [stdout] thread 'tests::test_249' panicked at src/lib.rs:150:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [["acef"], ["a", "z"], ["abc", "bcd", "xyz"], ["az", "ba"]]
[INFO] [stdout]  right: [["abc", "bcd", "acef"], ["az", "ba"], ["acef"], ["a", "z"]]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564484136fb5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x564484136fb5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564484136fb5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564484136fb5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56448415d86b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x56448415d86b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x5644841347ef - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x564484136d8e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564484136d8e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5644841387b9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x56448413847e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x5644841096da - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x5644841096da - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x564484138dbb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x564484138dbb - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x564484138b34 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x564484137479 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x564484138867 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x5644840aa843 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5644840aac2e - core::panicking::assert_failed_inner::h01c8f7f0c1caba58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x5644840cf3ae - core::panicking::assert_failed::h5aace38b7df6a5f5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x5644840caabc - leetcode::tests::test_249::h79e7abb716c12049
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:150:9
[INFO] [stdout]   22:     0x5644840ca077 - leetcode::tests::test_249::{{closure}}::h47e39adef3e26857
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:148:18
[INFO] [stdout]   23:     0x5644840b6476 - core::ops::function::FnOnce::call_once::hba8f61d94a801ccb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56448410e0bb - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56448410e0bb - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x56448410d7c1 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x56448410d7c1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56448410d7c1 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x56448410d7c1 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x56448410d7c1 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x56448410d7c1 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x56448410d7c1 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x5644840d6184 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x5644840d6184 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5644840dabb2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x5644840dabb2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5644840dabb2 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x5644840dabb2 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x5644840dabb2 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x5644840dabb2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x5644840dabb2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56448413cf9b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x56448413cf9b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x56448413cf9b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f7b582faac3 - <unknown>
[INFO] [stdout]   46:     0x7f7b5838ba04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_249
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d70537bd44ed949900f0ce8e7126a30793dacfb63569273fd30e702b12ea9325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70537bd44ed949900f0ce8e7126a30793dacfb63569273fd30e702b12ea9325", kill_on_drop: false }`
[INFO] [stdout] d70537bd44ed949900f0ce8e7126a30793dacfb63569273fd30e702b12ea9325
[INFO] testing SuanFaRuoJi/coding_exercise_rust against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanFaRuoJi%2Fcoding_exercise_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuanFaRuoJi/coding_exercise_rust on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuanFaRuoJi/coding_exercise_rust
[INFO] finished tweaking git repo https://github.com/SuanFaRuoJi/coding_exercise_rust
[INFO] tweaked toml for git repo https://github.com/SuanFaRuoJi/coding_exercise_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SuanFaRuoJi/coding_exercise_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adbf3fedf2da1365a5bf516a1a707deb711445de4b51819d067e03561e332d1f
[INFO] running `Command { std: "docker" "start" "-a" "adbf3fedf2da1365a5bf516a1a707deb711445de4b51819d067e03561e332d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adbf3fedf2da1365a5bf516a1a707deb711445de4b51819d067e03561e332d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbf3fedf2da1365a5bf516a1a707deb711445de4b51819d067e03561e332d1f", kill_on_drop: false }`
[INFO] [stdout] adbf3fedf2da1365a5bf516a1a707deb711445de4b51819d067e03561e332d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6438bfcc05f1261d7182cf38aabd10cd64aa3241e3477ce4aa1a056cb5808071
[INFO] running `Command { std: "docker" "start" "-a" "6438bfcc05f1261d7182cf38aabd10cd64aa3241e3477ce4aa1a056cb5808071", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `fraction` should have an upper camel case name
[INFO] [stdout]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct fraction {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/preorder_verification_255.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/three_sum_smaller.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut partial_target = target - nums[index];
[INFO] [stdout]   |             ----^^^^^^^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stdout]   |                                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column_sum` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut column_sum = vec![0; width];
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrace` is never used
[INFO] [stdout]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AllOne` is never constructed
[INFO] [stdout]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct AllOne {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllOne {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_max_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn get_min_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "6438bfcc05f1261d7182cf38aabd10cd64aa3241e3477ce4aa1a056cb5808071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6438bfcc05f1261d7182cf38aabd10cd64aa3241e3477ce4aa1a056cb5808071", kill_on_drop: false }`
[INFO] [stdout] 6438bfcc05f1261d7182cf38aabd10cd64aa3241e3477ce4aa1a056cb5808071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb9ee31e4dd5b1a5efc0b210ae6132730e030884a55f82a0ea3b8bec4d21e6e
[INFO] running `Command { std: "docker" "start" "-a" "5bb9ee31e4dd5b1a5efc0b210ae6132730e030884a55f82a0ea3b8bec4d21e6e", kill_on_drop: false }`
[INFO] [stdout] warning: type `fraction` should have an upper camel case name
[INFO] [stdout]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct fraction {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/preorder_verification_255.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/three_sum_smaller.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut partial_target = target - nums[index];
[INFO] [stdout]   |             ----^^^^^^^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stdout]   |                                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column_sum` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut column_sum = vec![0; width];
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrace` is never used
[INFO] [stdout]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AllOne` is never constructed
[INFO] [stdout]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct AllOne {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllOne {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_max_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn get_min_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `fraction` should have an upper camel case name
[INFO] [stdout]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct fraction {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/preorder_verification_255.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                     ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/maximal_square_221.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout]    |                                 ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stdout] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut prev = -1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/three_sum_smaller.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut partial_target = target - nums[index];
[INFO] [stdout]   |             ----^^^^^^^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stdout]   |                                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column_sum` is never read
[INFO] [stdout]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut column_sum = vec![0; width];
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrace` is never used
[INFO] [stdout]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AllOne` is never constructed
[INFO] [stdout]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct AllOne {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stdout]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllOne {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn inc(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn dec(&mut self, key: String) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_max_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn get_min_key(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "5bb9ee31e4dd5b1a5efc0b210ae6132730e030884a55f82a0ea3b8bec4d21e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb9ee31e4dd5b1a5efc0b210ae6132730e030884a55f82a0ea3b8bec4d21e6e", kill_on_drop: false }`
[INFO] [stdout] 5bb9ee31e4dd5b1a5efc0b210ae6132730e030884a55f82a0ea3b8bec4d21e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b480641c89e338dc24446607b08fbc8dc7d1584fa988b960cc469dfb6f5e2a8b
[INFO] running `Command { std: "docker" "start" "-a" "b480641c89e338dc24446607b08fbc8dc7d1584fa988b960cc469dfb6f5e2a8b", kill_on_drop: false }`
[INFO] [stderr] warning: type `fraction` should have an upper camel case name
[INFO] [stderr]   --> src/max_points_on_a_line_149.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct fraction {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fraction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/evaluate_reverse_polish_notation_150.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/valid_triangle_number_611.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/graph_valid_tree_261.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]  --> src/shortest_word_distance_2_244.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::borrow::BorrowMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/preorder_verification_255.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/maximal_square_221.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 let cur_width = min((right - left - 1), top_height);
[INFO] [stderr]    |                                     ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 29 -                 let cur_width = min((right - left - 1), top_height);
[INFO] [stderr] 29 +                 let cur_width = min(right - left - 1, top_height);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/maximal_square_221.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let cur_width = min((right - left - 1), top_height);
[INFO] [stderr]    |                                 ^                ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -             let cur_width = min((right - left - 1), top_height);
[INFO] [stderr] 45 +             let cur_width = min(right - left - 1, top_height);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prev`
[INFO] [stderr]   --> src/graph_valid_tree_261.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut prev = -1;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/graph_valid_tree_261.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut prev = -1;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/all_O_one_data_structure_432.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn inc(&mut self, key: String) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/all_O_one_data_structure_432.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn dec(&mut self, key: String) {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/three_sum_smaller.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let mut partial_target = target - nums[index];
[INFO] [stderr]   |             ----^^^^^^^^^^^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `j` is never read
[INFO] [stderr]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut i: usize = 0; let mut j: usize = 0;
[INFO] [stderr]   |                                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `column_sum` is never read
[INFO] [stderr]  --> src/max_sum_of_reactangle_no_larger_than_k_363.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut column_sum = vec![0; width];
[INFO] [stderr]   |             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function `backtrace` is never used
[INFO] [stderr]   --> src/longest_palindrome_subsequence_516.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn backtrace(string: &Vec<i32>, left: usize, right: usize, dp: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AllOne` is never constructed
[INFO] [stderr]  --> src/all_O_one_data_structure_432.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct AllOne {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `inc`, `dec`, `get_max_key`, and `get_min_key` are never used
[INFO] [stderr]   --> src/all_O_one_data_structure_432.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl AllOne {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn inc(&mut self, key: String) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     fn dec(&mut self, key: String) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn get_max_key(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     fn get_min_key(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `all_O_one_data_structure_432` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub mod all_O_one_data_structure_432;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `all_o_one_data_structure_432`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (lib) generated 19 warnings (run `cargo fix --lib -p leetcode` to apply 9 suggestions)
[INFO] [stderr] warning: `leetcode` (lib test) generated 19 warnings (19 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode-771e2c791a5d90a3)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_245 ... ok
[INFO] [stdout] test tests::test_131 ... ok
[INFO] [stdout] test tests::test_261 ... ok
[INFO] [stdout] test tests::test_259 ... ok
[INFO] [stdout] test tests::test_516 ... ok
[INFO] [stdout] test tests::test_254 ... ok
[INFO] [stdout] test tests::test_611 ... ok
[INFO] [stdout] test tests::test_244 ... ok
[INFO] [stdout] test tests::test_149 ... ok
[INFO] [stdout] test tests::test_150 ... ok
[INFO] [stdout] test tests::test_364 ... ok
[INFO] [stdout] test tests::test_249 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_249 stdout ----
[INFO] [stdout] abc: [1, 1]
[INFO] [stdout] bcd: [1, 1]
[INFO] [stdout] acef: [2, 2, 1]
[INFO] [stdout] xyz: [1, 1]
[INFO] [stdout] az: [25]
[INFO] [stdout] ba: [25]
[INFO] [stdout] thread 'tests::test_249' panicked at src/lib.rs:150:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [["a", "z"], ["abc", "bcd", "xyz"], ["acef"], ["az", "ba"]]
[INFO] [stdout]  right: [["abc", "bcd", "acef"], ["az", "ba"], ["acef"], ["a", "z"]]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560c86e53055 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x560c86e53055 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560c86e53055 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560c86e53055 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560c86e798ab - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x560c86e798ab - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x560c86e5093f - std::io::Write::write_fmt::hea6336dbf2fa00b8
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x560c86e52e2e - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560c86e52e2e - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560c86e54799 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stdout]   10:     0x560c86e544ec - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x560c86e257af - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x560c86e257af - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x560c86e54d9b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x560c86e54d9b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x560c86e54b14 - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x560c86e53519 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560c86e54847 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x560c86dc6823 - core::panicking::panic_fmt::h2ba8af99174d83ea
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560c86dc6c0e - core::panicking::assert_failed_inner::h5c44db15a6ee70ee
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x560c86de2f9e - core::panicking::assert_failed::hdabcd1b3d059aa21
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x560c86de6cac - leetcode::tests::test_249::hcfbd6338ac2d23ca
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:150:9
[INFO] [stdout]   22:     0x560c86de6267 - leetcode::tests::test_249::{{closure}}::h75b55329e53abb50
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:148:18
[INFO] [stdout]   23:     0x560c86ddf5f6 - core::ops::function::FnOnce::call_once::he96c4ee29dc52e08
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x560c86e2a0cb - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x560c86e2a0cb - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x560c86e29791 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x560c86e29791 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x560c86e29791 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x560c86e29791 - std::panicking::try::hea3411d60321c4de
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x560c86e29791 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x560c86e29791 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x560c86e29791 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x560c86df2164 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x560c86df2164 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x560c86df6c32 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x560c86df6c32 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x560c86df6c32 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x560c86df6c32 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x560c86df6c32 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x560c86df6c32 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x560c86df6c32 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x560c86e58f6b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x560c86e58f6b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x560c86e58f6b - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stdout]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7ff5d1de0ac3 - <unknown>
[INFO] [stdout]   46:     0x7ff5d1e71a04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_249
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b480641c89e338dc24446607b08fbc8dc7d1584fa988b960cc469dfb6f5e2a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b480641c89e338dc24446607b08fbc8dc7d1584fa988b960cc469dfb6f5e2a8b", kill_on_drop: false }`
[INFO] [stdout] b480641c89e338dc24446607b08fbc8dc7d1584fa988b960cc469dfb6f5e2a8b
