[INFO] fetching crate competitive-programming-lib 0.1.0...
[INFO] testing competitive-programming-lib-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate competitive-programming-lib 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate competitive-programming-lib 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate competitive-programming-lib 0.1.0
[INFO] tweaked toml for crates.io crate competitive-programming-lib 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate competitive-programming-lib 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88c22b71553f345d429d0e6697f4b6c17c72ca098a33ee8987183637d0e8b43c
[INFO] running `Command { std: "docker" "start" "-a" "88c22b71553f345d429d0e6697f4b6c17c72ca098a33ee8987183637d0e8b43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c22b71553f345d429d0e6697f4b6c17c72ca098a33ee8987183637d0e8b43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c22b71553f345d429d0e6697f4b6c17c72ca098a33ee8987183637d0e8b43c", kill_on_drop: false }`
[INFO] [stdout] 88c22b71553f345d429d0e6697f4b6c17c72ca098a33ee8987183637d0e8b43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfc27d961b4898da79b7a36b0cf992ff29eb14c7520e092d3ba8f1860cb61dbd
[INFO] running `Command { std: "docker" "start" "-a" "cfc27d961b4898da79b7a36b0cf992ff29eb14c7520e092d3ba8f1860cb61dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling competitive-programming-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lps`
[INFO] [stdout]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/DataStructures/segment_tree.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut tree = vec![0; 2 * size];
[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/DataStructures/union_find.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn find(&mut self, mut x: usize) -> usize {
[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/Sorting/merge_sort.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut left = arr[..mid].to_vec();
[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/Sorting/merge_sort.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut right = arr[mid..].to_vec();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Algorithms` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Algorithms;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `algorithms`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DataStructures` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod DataStructures;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `data_structures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Sorting` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod Sorting;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sorting`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "cfc27d961b4898da79b7a36b0cf992ff29eb14c7520e092d3ba8f1860cb61dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc27d961b4898da79b7a36b0cf992ff29eb14c7520e092d3ba8f1860cb61dbd", kill_on_drop: false }`
[INFO] [stdout] cfc27d961b4898da79b7a36b0cf992ff29eb14c7520e092d3ba8f1860cb61dbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f22297b4da0c2d6df029771f0584d36c064cf89d1b83e61ba89acce4aab72eb
[INFO] running `Command { std: "docker" "start" "-a" "4f22297b4da0c2d6df029771f0584d36c064cf89d1b83e61ba89acce4aab72eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling competitive-programming-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lps`
[INFO] [stdout]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/DataStructures/segment_tree.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut tree = vec![0; 2 * size];
[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/DataStructures/union_find.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn find(&mut self, mut x: usize) -> usize {
[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/Sorting/merge_sort.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut left = arr[..mid].to_vec();
[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/Sorting/merge_sort.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut right = arr[mid..].to_vec();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Algorithms` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Algorithms;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `algorithms`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DataStructures` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod DataStructures;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `data_structures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Sorting` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod Sorting;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sorting`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lps`
[INFO] [stdout]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/DataStructures/segment_tree.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut tree = vec![0; 2 * size];
[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/DataStructures/union_find.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn find(&mut self, mut x: usize) -> usize {
[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/Sorting/merge_sort.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut left = arr[..mid].to_vec();
[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/Sorting/merge_sort.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut right = arr[mid..].to_vec();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Algorithms` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Algorithms;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `algorithms`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DataStructures` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod DataStructures;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `data_structures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Sorting` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod Sorting;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sorting`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4f22297b4da0c2d6df029771f0584d36c064cf89d1b83e61ba89acce4aab72eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f22297b4da0c2d6df029771f0584d36c064cf89d1b83e61ba89acce4aab72eb", kill_on_drop: false }`
[INFO] [stdout] 4f22297b4da0c2d6df029771f0584d36c064cf89d1b83e61ba89acce4aab72eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5df274e0cc2d599542bc784f4894b63f495f955f14ba25783ce99562a934db4
[INFO] running `Command { std: "docker" "start" "-a" "a5df274e0cc2d599542bc784f4894b63f495f955f14ba25783ce99562a934db4", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stderr]   |         ----^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lps`
[INFO] [stderr]  --> src/Algorithms/kmp.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut lps = vec![0; pattern.len()];
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lps`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/DataStructures/segment_tree.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut tree = vec![0; 2 * size];
[INFO] [stderr]   |             ----^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/DataStructures/union_find.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn find(&mut self, mut x: usize) -> usize {
[INFO] [stderr]    |                            ----^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/Sorting/merge_sort.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut left = arr[..mid].to_vec();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/Sorting/merge_sort.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut right = arr[mid..].to_vec();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Algorithms` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Algorithms;
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `algorithms`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `DataStructures` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod DataStructures;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `data_structures`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Sorting` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod Sorting;
[INFO] [stderr]   |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sorting`
[INFO] [stderr] 
[INFO] [stderr] warning: `competitive-programming-lib` (lib) generated 9 warnings (run `cargo fix --lib -p competitive-programming-lib` to apply 6 suggestions)
[INFO] [stderr] warning: `competitive-programming-lib` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/competitive_programming_lib-4950f1bf747ae587)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/algo_tests.rs (/opt/rustwide/target/debug/deps/algo_tests-394c45a88f4530ab)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_bfs ... ok
[INFO] [stdout] test test_kmp ... ok
[INFO] [stdout] test test_gcd ... ok
[INFO] [stdout] test test_prime_factors ... ok
[INFO] [stdout] test test_dfs ... ok
[INFO] [stderr]      Running tests/data_test.rs (/opt/rustwide/target/debug/deps/data_test-86ee520f38bb58cf)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_linked_list ... ok
[INFO] [stdout] test test_trie ... ok
[INFO] [stdout] test test_heap ... ok
[INFO] [stdout] test test_fenwick_tree ... ok
[INFO] [stdout] test test_union_find ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sort_test.rs (/opt/rustwide/target/debug/deps/sort_test-b0cfe91b0b1017f3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests competitive_programming_lib
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_bubble_sort ... ok
[INFO] [stdout] test test_insertion_sort ... ok
[INFO] [stdout] test test_merge_sort ... ok
[INFO] [stdout] test test_selection_sort ... ok
[INFO] [stdout] test test_quick_sort ... ok
[INFO] [stdout] test test_radix_sort ... ok
[INFO] [stdout] test test_bogo_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5df274e0cc2d599542bc784f4894b63f495f955f14ba25783ce99562a934db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5df274e0cc2d599542bc784f4894b63f495f955f14ba25783ce99562a934db4", kill_on_drop: false }`
[INFO] [stdout] a5df274e0cc2d599542bc784f4894b63f495f955f14ba25783ce99562a934db4