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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakshayatam%2Frust-polars-data-engineering" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/expressions/expressions.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::exit; 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/expressions/expressions.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::exit; 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut cnt = explore(&mut df, select_col)?; 
[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: `count_col`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let count_col = "State"; 
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count_col`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cnt`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut cnt = explore(&mut df, select_col)?; 
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cnt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_parquet` is never used
[INFO] [stdout]   --> src/io/io.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn write_parquet(df: &mut DataFrame, output_file: &str) -> PolarsResult<()> { 
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_count` is never used
[INFO] [stdout]   --> src/expressions/expressions.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_count(df: &mut DataFrame, column: &str) -> PolarsResult<DataFrame> { 
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `down_cast` is never used
[INFO] [stdout]   --> src/expressions/expressions.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn down_cast(df: &mut DataFrame, columns: &[&str]) -> PolarsResult<DataFrame> { 
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut cnt = explore(&mut df, select_col)?; 
[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: `count_col`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let count_col = "State"; 
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count_col`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cnt`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut cnt = explore(&mut df, select_col)?; 
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cnt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_parquet` is never used
[INFO] [stdout]   --> src/io/io.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn write_parquet(df: &mut DataFrame, output_file: &str) -> PolarsResult<()> { 
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_count` is never used
[INFO] [stdout]   --> src/expressions/expressions.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_count(df: &mut DataFrame, column: &str) -> PolarsResult<DataFrame> { 
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `down_cast` is never used
[INFO] [stdout]   --> src/expressions/expressions.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn down_cast(df: &mut DataFrame, columns: &[&str]) -> PolarsResult<DataFrame> { 
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "ed8b558bb12350d889630c1981651aa2538938476b288efc91bb334ab4bd5c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8b558bb12350d889630c1981651aa2538938476b288efc91bb334ab4bd5c5a", kill_on_drop: false }`
[INFO] [stdout] ed8b558bb12350d889630c1981651aa2538938476b288efc91bb334ab4bd5c5a
