[INFO] updating cached repository sezakilab/record_lidar_data
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sezakilab/record_lidar_data
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sezakilab/record_lidar_data" "work/ex/clippy-test-run/sources/stable/gh/sezakilab/record_lidar_data"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sezakilab/record_lidar_data'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sezakilab/record_lidar_data" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sezakilab/record_lidar_data"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sezakilab/record_lidar_data'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49b6a037624097abc975da54c60192d116250258
[INFO] sha for GitHub repo sezakilab/record_lidar_data: 49b6a037624097abc975da54c60192d116250258
[INFO] validating manifest of sezakilab/record_lidar_data on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sezakilab/record_lidar_data on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sezakilab/record_lidar_data
[INFO] finished frobbing sezakilab/record_lidar_data
[INFO] frobbed toml for sezakilab/record_lidar_data written to work/ex/clippy-test-run/sources/stable/gh/sezakilab/record_lidar_data/Cargo.toml
[INFO] started frobbing sezakilab/record_lidar_data
[INFO] finished frobbing sezakilab/record_lidar_data
[INFO] frobbed toml for sezakilab/record_lidar_data written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sezakilab/record_lidar_data/Cargo.toml
[INFO] crate sezakilab/record_lidar_data has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting sezakilab/record_lidar_data against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/sezakilab/record_lidar_data:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 20cd029131772baa7644a411156d1c00b09275f43919f5bfaa2058ff0c29c95c
[INFO] running `"docker" "start" "-a" "20cd029131772baa7644a411156d1c00b09275f43919f5bfaa2058ff0c29c95c"`
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking lidar v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::PartialEq`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::cmp::PartialEq;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]   --> src/main.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{BufWriter, Write, BufReader, Read};
[INFO] [stderr]    |                                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:449:49
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let precise = ((self.precise as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: consider: `4_294_967_296.0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:449:64
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let precise = ((self.precise as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: consider: `1_000_000_000.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:481:64
[INFO] [stderr]     |
[INFO] [stderr] 481 |     let precise = ((diff.num_nanoseconds().unwrap() as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: consider: `4_294_967_296.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:481:79
[INFO] [stderr]     |
[INFO] [stderr] 481 |     let precise = ((diff.num_nanoseconds().unwrap() as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^ help: consider: `1_000_000_000.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:491:21
[INFO] [stderr]     |
[INFO] [stderr] 491 |         magic_word: 0xaffec0c2,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider: `0xaffe_c0c2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:545:37
[INFO] [stderr]     |
[INFO] [stderr] 545 |             if header.magic_word == 0xaffec0c2 {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: consider: `0xaffe_c0c2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::PartialEq`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::cmp::PartialEq;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]   --> src/main.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::{BufWriter, Write, BufReader, Read};
[INFO] [stderr]    |                                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:449:49
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let precise = ((self.precise as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: consider: `4_294_967_296.0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:449:64
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let precise = ((self.precise as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: consider: `1_000_000_000.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:481:64
[INFO] [stderr]     |
[INFO] [stderr] 481 |     let precise = ((diff.num_nanoseconds().unwrap() as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^ help: consider: `4_294_967_296.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:481:79
[INFO] [stderr]     |
[INFO] [stderr] 481 |     let precise = ((diff.num_nanoseconds().unwrap() as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^ help: consider: `1_000_000_000.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:491:21
[INFO] [stderr]     |
[INFO] [stderr] 491 |         magic_word: 0xaffec0c2,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider: `0xaffe_c0c2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:545:37
[INFO] [stderr]     |
[INFO] [stderr] 545 |             if header.magic_word == 0xaffec0c2 {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: consider: `0xaffe_c0c2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 _ => None,
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 _ => None,
[INFO] [stderr]    |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             _ => {},
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |         for i in 0..(scan_data.scan_points as usize) {
[INFO] [stderr]     |             ^ help: consider using `_i` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `number_of_contour_points` is never read
[INFO] [stderr]    --> src/main.rs:258:17
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let mut number_of_contour_points: u16 = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `data_len` is never read
[INFO] [stderr]    --> src/main.rs:260:17
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let mut data_len: usize = 0;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |         for i in 0..(object_data.number_of_objects as usize) {
[INFO] [stderr]     |             ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 _ => None,
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 _ => None,
[INFO] [stderr]    |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             _ => {},
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |         for i in 0..(scan_data.scan_points as usize) {
[INFO] [stderr]     |             ^ help: consider using `_i` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `number_of_contour_points` is never read
[INFO] [stderr]    --> src/main.rs:258:17
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let mut number_of_contour_points: u16 = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `data_len` is never read
[INFO] [stderr]    --> src/main.rs:260:17
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let mut data_len: usize = 0;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |         for i in 0..(object_data.number_of_objects as usize) {
[INFO] [stderr]     |             ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:546:21
[INFO] [stderr]     |
[INFO] [stderr] 546 |                 let mut payload: Vec<u8> = receive_payload(&mut stream, header.size_of_message_data);
[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: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn new(buffer: &[u8]) -> ScanData {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn new(buffer: &[u8]) -> ScanPoint {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:370:5
[INFO] [stderr]     |
[INFO] [stderr] 370 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:408:5
[INFO] [stderr]     |
[INFO] [stderr] 408 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:420:5
[INFO] [stderr]     |
[INFO] [stderr] 420 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `datetime`
[INFO] [stderr]    --> src/main.rs:432:5
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn datetime(&self) -> DateTime<Utc> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:442:5
[INFO] [stderr]     |
[INFO] [stderr] 442 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match self {
[INFO] [stderr] 68 | |                 &DataType::Command => Some(0x2010),
[INFO] [stderr] 69 | |                 &DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 70 | |                 &DataType::Error => Some(0x2030),
[INFO] [stderr] ...  |
[INFO] [stderr] 76 | |                 _ => None,
[INFO] [stderr] 77 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 67 |         match *self {
[INFO] [stderr] 68 |                 DataType::Command => Some(0x2010),
[INFO] [stderr] 69 |                 DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 70 |                 DataType::Error => Some(0x2030),
[INFO] [stderr] 71 |                 DataType::ScanData => Some(0x2202),
[INFO] [stderr] 72 |                 DataType::ObjectData => Some(0x2221),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 | /         match self {
[INFO] [stderr] 82 | |                 &DataType::Command => Some(0x2010),
[INFO] [stderr] 83 | |                 &DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 84 | |                 &DataType::Error => Some(0x2030),
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |                 _ => None,
[INFO] [stderr] 91 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 81 |         match *self {
[INFO] [stderr] 82 |                 DataType::Command => Some(0x2010),
[INFO] [stderr] 83 |                 DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 84 |                 DataType::Error => Some(0x2030),
[INFO] [stderr] 85 |                 DataType::ScanData => Some(0x2202),
[INFO] [stderr] 86 |                 DataType::ObjectData => Some(0x2221),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:546:21
[INFO] [stderr]     |
[INFO] [stderr] 546 |                 let mut payload: Vec<u8> = receive_payload(&mut stream, header.size_of_message_data);
[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: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn new(buffer: &[u8]) -> ScanData {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn new(buffer: &[u8]) -> ScanPoint {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:370:5
[INFO] [stderr]     |
[INFO] [stderr] 370 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:408:5
[INFO] [stderr]     |
[INFO] [stderr] 408 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:420:5
[INFO] [stderr]     |
[INFO] [stderr] 420 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `datetime`
[INFO] [stderr]    --> src/main.rs:432:5
[INFO] [stderr]     |
[INFO] [stderr] 432 |     fn datetime(&self) -> DateTime<Utc> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:442:5
[INFO] [stderr]     |
[INFO] [stderr] 442 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match self {
[INFO] [stderr] 68 | |                 &DataType::Command => Some(0x2010),
[INFO] [stderr] 69 | |                 &DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 70 | |                 &DataType::Error => Some(0x2030),
[INFO] [stderr] ...  |
[INFO] [stderr] 76 | |                 _ => None,
[INFO] [stderr] 77 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 67 |         match *self {
[INFO] [stderr] 68 |                 DataType::Command => Some(0x2010),
[INFO] [stderr] 69 |                 DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 70 |                 DataType::Error => Some(0x2030),
[INFO] [stderr] 71 |                 DataType::ScanData => Some(0x2202),
[INFO] [stderr] 72 |                 DataType::ObjectData => Some(0x2221),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 | /         match self {
[INFO] [stderr] 82 | |                 &DataType::Command => Some(0x2010),
[INFO] [stderr] 83 | |                 &DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 84 | |                 &DataType::Error => Some(0x2030),
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |                 _ => None,
[INFO] [stderr] 91 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 81 |         match *self {
[INFO] [stderr] 82 |                 DataType::Command => Some(0x2010),
[INFO] [stderr] 83 |                 DataType::CommandReply => Some(0x2020),
[INFO] [stderr] 84 |                 DataType::Error => Some(0x2030),
[INFO] [stderr] 85 |                 DataType::ScanData => Some(0x2202),
[INFO] [stderr] 86 |                 DataType::ObjectData => Some(0x2221),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             offset = offset + data_len;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `offset += data_len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             offset = offset + data_len;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `offset += data_len`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             offset = offset + data_len;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `offset += data_len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:434:57
[INFO] [stderr]     |
[INFO] [stderr] 434 |         let duration_secs: Duration = Duration::seconds(self.secs as i64);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.secs)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:436:64
[INFO] [stderr]     |
[INFO] [stderr] 436 |         let duration_precise: Duration = Duration::nanoseconds(precise as i64);
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^ help: try: `i64::from(precise)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:448:57
[INFO] [stderr]     |
[INFO] [stderr] 448 |         let duration_secs: Duration = Duration::seconds(self.secs as i64);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.secs)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:449:24
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let precise = ((self.precise as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.precise)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:450:64
[INFO] [stderr]     |
[INFO] [stderr] 450 |         let duration_precise: Duration = Duration::nanoseconds(precise as i64);
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^ help: try: `i64::from(precise)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:464:9
[INFO] [stderr]     |
[INFO] [stderr] 464 |         remaining_len = remaining_len - (msg_len as u32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `remaining_len -= (msg_len as u32)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:513:5
[INFO] [stderr]     |
[INFO] [stderr] 513 |     stream.write(&buffer);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:518:5
[INFO] [stderr]     |
[INFO] [stderr] 518 |     stream.write(&buffer);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:571:25
[INFO] [stderr]     |
[INFO] [stderr] 571 |                         file.write(s_object_data.as_bytes()).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:572:25
[INFO] [stderr]     |
[INFO] [stderr] 572 |                         file.write(b"\n").unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lidar`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             offset = offset + data_len;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `offset += data_len`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:434:57
[INFO] [stderr]     |
[INFO] [stderr] 434 |         let duration_secs: Duration = Duration::seconds(self.secs as i64);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.secs)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:436:64
[INFO] [stderr]     |
[INFO] [stderr] 436 |         let duration_precise: Duration = Duration::nanoseconds(precise as i64);
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^ help: try: `i64::from(precise)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:448:57
[INFO] [stderr]     |
[INFO] [stderr] 448 |         let duration_secs: Duration = Duration::seconds(self.secs as i64);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.secs)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:449:24
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let precise = ((self.precise as f64) * (4294967296.0 / 1000000000.0)).round() as u32;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.precise)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:450:64
[INFO] [stderr]     |
[INFO] [stderr] 450 |         let duration_precise: Duration = Duration::nanoseconds(precise as i64);
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^ help: try: `i64::from(precise)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:464:9
[INFO] [stderr]     |
[INFO] [stderr] 464 |         remaining_len = remaining_len - (msg_len as u32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `remaining_len -= (msg_len as u32)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:513:5
[INFO] [stderr]     |
[INFO] [stderr] 513 |     stream.write(&buffer);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:518:5
[INFO] [stderr]     |
[INFO] [stderr] 518 |     stream.write(&buffer);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:571:25
[INFO] [stderr]     |
[INFO] [stderr] 571 |                         file.write(s_object_data.as_bytes()).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:572:25
[INFO] [stderr]     |
[INFO] [stderr] 572 |                         file.write(b"\n").unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lidar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "20cd029131772baa7644a411156d1c00b09275f43919f5bfaa2058ff0c29c95c"`
[INFO] running `"docker" "rm" "-f" "20cd029131772baa7644a411156d1c00b09275f43919f5bfaa2058ff0c29c95c"`
[INFO] [stdout] 20cd029131772baa7644a411156d1c00b09275f43919f5bfaa2058ff0c29c95c