[INFO] cloning repository https://github.com/Wegt-meoh/leetcode_by_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wegt-meoh/leetcode_by_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWegt-meoh%2Fleetcode_by_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWegt-meoh%2Fleetcode_by_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be5cb3132beda5f519f113b13470f759512bd1e1 [INFO] building Wegt-meoh/leetcode_by_rust against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWegt-meoh%2Fleetcode_by_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Wegt-meoh/leetcode_by_rust on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Wegt-meoh/leetcode_by_rust [INFO] finished tweaking git repo https://github.com/Wegt-meoh/leetcode_by_rust [INFO] tweaked toml for git repo https://github.com/Wegt-meoh/leetcode_by_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Wegt-meoh/leetcode_by_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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d3bc4077de6fc273a7ec73e89b28c5d40fb223316981b96b628f3054017ba8a [INFO] running `Command { std: "docker" "start" "-a" "0d3bc4077de6fc273a7ec73e89b28c5d40fb223316981b96b628f3054017ba8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d3bc4077de6fc273a7ec73e89b28c5d40fb223316981b96b628f3054017ba8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d3bc4077de6fc273a7ec73e89b28c5d40fb223316981b96b628f3054017ba8a", kill_on_drop: false }` [INFO] [stdout] 0d3bc4077de6fc273a7ec73e89b28c5d40fb223316981b96b628f3054017ba8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c23fe03b3f2e4f33aea8ab94154b8c2bc5f01d8c57f7e41b455dfa70fd15a50 [INFO] running `Command { std: "docker" "start" "-a" "3c23fe03b3f2e4f33aea8ab94154b8c2bc5f01d8c57f7e41b455dfa70fd15a50", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/btree_game_winning_move.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `black` should have an upper camel case name [INFO] [stdout] --> src/flip_chess.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | black, [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Black` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `white` should have an upper camel case name [INFO] [stdout] --> src/flip_chess.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | white, [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `White` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `nothing` should have an upper camel case name [INFO] [stdout] --> src/flip_chess.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | nothing, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper camel case: `Nothing` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/kth_smallest.rs:1:36 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fs::File` and `io::Read` [INFO] [stdout] --> src/max_value_after_reverse.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fs::File, io::Read}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/min_number_of_frogs.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Add` [INFO] [stdout] --> src/num_tile_possibilities.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, ops::Add}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, `fs::File`, and `io::Read` [INFO] [stdout] --> src/three_sum.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashMap, HashSet}, [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] 3 | fs::File, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | io::Read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/btree_game_winning_move.rs:24:36 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn btree_game_winning_move(root: Option>>, n: i32, x: i32) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/btree_game_winning_move.rs:24:73 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn btree_game_winning_move(root: Option>>, n: i32, x: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/btree_game_winning_move.rs:24:81 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn btree_game_winning_move(root: Option>>, n: i32, x: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/del_nodes.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | mut root: Option>>, [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: `k` [INFO] [stdout] --> src/find_longest_subarray.rs:27:14 [INFO] [stdout] | [INFO] [stdout] 27 | for (k, v) in prefix_sum { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/hardest_worker.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn hardest_worker(n: i32, logs: Vec>) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/is_robot_bounded.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | let mut step = 0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_robot_bounded.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut step = 0; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at compiler/rustc_mir_build/src/builder/scope.rs:1724:17: [INFO] [stdout] error: internal compiler error: compiler/rustc_mir_build/src/builder/scope.rs:1724:17: cannot unwind from goto -> bb47 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7becfd981caa - ::fmt::h636462e57d5ef1e1 [INFO] [stderr] 1: 0x7becfe013cbc - core::fmt::write::h067060808ac50eb9 [INFO] [stderr] 2: 0x7becfef28e11 - std::io::Write::write_fmt::h4674fa2ed7c0dfdd [INFO] [stderr] 3: 0x7becfd981b02 - std::sys::backtrace::BacktraceLock::print::h0c77148acfb0b5e9 [INFO] [stderr] 4: 0x7becfd983ffa - std::panicking::default_hook::{{closure}}::h30daa8e7c6ccb09d [INFO] [stderr] 5: 0x7becfd983e43 - std::panicking::default_hook::h25f21dc0f2064615 [INFO] [stderr] 6: 0x7becfcaeff28 - std[b36e883d67eb0403]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7becfd9847b8 - std::panicking::rust_panic_with_hook::hc98438687e833605 [INFO] [stderr] 8: 0x7becfcb2a341 - std[b36e883d67eb0403]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x7becfcb1f526 - std[b36e883d67eb0403]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x7becfcb1f50d - std[b36e883d67eb0403]::panicking::begin_panic:: [INFO] [stderr] 11: 0x7becfcb342a1 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7becfd084fdc - ::span_bug:: [INFO] [stderr] 13: 0x7becfd10a897 - rustc_middle[8ad6e8ce52578819]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x7becfd0f006a - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x7becfd0efefb - rustc_middle[8ad6e8ce52578819]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x7becfb534437 - rustc_middle[8ad6e8ce52578819]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x7becfe9d541b - ::build_unwind_tree [INFO] [stderr] 18: 0x7becfe9cd7cd - rustc_mir_build[73684a27b88b946a]::builder::mir_build [INFO] [stderr] 19: 0x7becfe007714 - rustc_mir_transform[857cd804783fef4d]::mir_built [INFO] [stderr] 20: 0x7becfe0076d7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x7becfe2953d1 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 22: 0x7becfe294f8d - rustc_query_impl[1e55094a59e290f4]::query_impl::mir_built::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x7becfb067185 - rustc_mir_build[73684a27b88b946a]::check_unsafety::check_unsafety [INFO] [stderr] 24: 0x7becfe8e98a7 - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x7becfe8e9b69 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::, rustc_query_system[67781f9dc633c543]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 26: 0x7becfe8e97d1 - rustc_query_impl[1e55094a59e290f4]::query_impl::check_unsafety::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x7becfe49bd32 - rustc_interface[b59e7ee7606ca029]::passes::run_required_analyses [INFO] [stderr] 28: 0x7becfef2cc9e - rustc_interface[b59e7ee7606ca029]::passes::analysis [INFO] [stderr] 29: 0x7becfef2cc6f - rustc_query_impl[1e55094a59e290f4]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x7becfef7b355 - rustc_query_system[67781f9dc633c543]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1e55094a59e290f4]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x7becfef7b08e - rustc_query_impl[1e55094a59e290f4]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x7becfef701de - rustc_interface[b59e7ee7606ca029]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 33: 0x7becfefdff51 - rustc_interface[b59e7ee7606ca029]::interface::run_compiler::<(), rustc_driver_impl[be5855d19ccc8b6c]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 34: 0x7becfeef5087 - std[b36e883d67eb0403]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 35: 0x7becfeef551c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[303105738bd0c2ae]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 36: 0x7becfeef6aef - std::sys::pal::unix::thread::Thread::new::thread_start::ha554cc4ba6335b05 [INFO] [stderr] 37: 0x7bed0060eac3 - [INFO] [stderr] 38: 0x7bed0069fa04 - clone [INFO] [stderr] 39: 0x0 - [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2024-12-31T22_13_50-9.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.85.0-nightly (9b5e8b16b 2024-12-19) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [mir_built] building MIR for `is_valid::::is_valid2` [INFO] [stderr] #1 [check_unsafety] unsafety-checking `is_valid::::is_valid2` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/largest_vals_from_labels.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut pair_vec = { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_times` [INFO] [stdout] --> src/make_array_increasing.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let max_times = arr1.len().min(arr2.len()); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_times` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/max_equal_rows_after_flips.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let n = matrix[0].len(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/max_equal_rows_after_flips.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut hash_map = matrix.iter().fold(HashMap::new(), |mut a, b| { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `batch_size` [INFO] [stdout] --> src/max_happy_groups.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn max_happy_groups(batch_size: i32, groups: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_batch_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `groups` [INFO] [stdout] --> src/max_happy_groups.rs:4:46 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn max_happy_groups(batch_size: i32, groups: Vec) -> i32 { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/maximum_tastiness.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | let mut count = 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: variable does not need to be mutable [INFO] [stdout] --> src/min_side_jumps.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | let mut prev_dp; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/min_side_jumps.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let mut curr_dp; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `empty_item` [INFO] [stdout] --> src/num_moves_stones_ii.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let empty_item = stones.last().unwrap() - stones[0] + 1 - n; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/num_moves_stones_ii.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut max_ans = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/num_moves_stones_ii.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut min_ans = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum_range` [INFO] [stdout] --> src/num_pairs_divisible_by60.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let sum_range = (2, 1000); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_range` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/num_tile_possibilities.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | let mut result = 0; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/num_tile_possibilities.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut result = 0; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `curr_y` is never read [INFO] [stdout] --> src/powerful_integers.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | let mut curr_y = 1; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/rearrange_barcodes.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | for i in 0..barcodes.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rearrange_barcodes.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut hash_map = barcodes.iter().fold(HashMap::new(), |mut a, b| { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rearrange_barcodes.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let mut vec_pair = hash_map [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rearrange_barcodes.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | let mut hash_map: HashMap = b.iter().fold(HashMap::new(), |mut a, b| { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rearrange_barcodes.rs:101:20 [INFO] [stdout] | [INFO] [stdout] 101 | for (numb, mut times) in hash_map { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/smallest_repunit_div_by_k.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let result = -1; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/store_water.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn store_water(mut bucket: Vec, mut vat: Vec) -> i32 { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/store_water.rs:4:46 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn store_water(mut bucket: Vec, mut vat: Vec) -> i32 { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_target` [INFO] [stdout] --> src/three_sum_closest.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | let temp_target = target - temp_nums[i]; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (lib); 42 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/bin/rustc --crate-name leetcode --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=153cfa607b16dce4 -C extra-filename=-41a37c11ab6f05a5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "3c23fe03b3f2e4f33aea8ab94154b8c2bc5f01d8c57f7e41b455dfa70fd15a50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c23fe03b3f2e4f33aea8ab94154b8c2bc5f01d8c57f7e41b455dfa70fd15a50", kill_on_drop: false }` [INFO] [stdout] 3c23fe03b3f2e4f33aea8ab94154b8c2bc5f01d8c57f7e41b455dfa70fd15a50