[INFO] updating cached repository silago/tcp-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/silago/tcp-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/silago/tcp-rs" "work/ex/clippy-test-run/sources/stable/gh/silago/tcp-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/silago/tcp-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/silago/tcp-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/silago/tcp-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/silago/tcp-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6310f52043790a9b53b2601502e0446fc8d0127
[INFO] sha for GitHub repo silago/tcp-rs: b6310f52043790a9b53b2601502e0446fc8d0127
[INFO] validating manifest of silago/tcp-rs 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 silago/tcp-rs 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 silago/tcp-rs
[INFO] finished frobbing silago/tcp-rs
[INFO] frobbed toml for silago/tcp-rs written to work/ex/clippy-test-run/sources/stable/gh/silago/tcp-rs/Cargo.toml
[INFO] started frobbing silago/tcp-rs
[INFO] finished frobbing silago/tcp-rs
[INFO] frobbed toml for silago/tcp-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/silago/tcp-rs/Cargo.toml
[INFO] crate silago/tcp-rs 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 silago/tcp-rs against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/silago/tcp-rs:/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 -Dclippy::into_iter_on_array" "-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] 9636ac01da35cd1896293f96657ae5af498af927d70f23ac92262d847eaa41bf
[INFO] running `"docker" "start" "-a" "9636ac01da35cd1896293f96657ae5af498af927d70f23ac92262d847eaa41bf"`
[INFO] [stderr]     Checking tcp-socker-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> main.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return Chan{tx: tx, rx:rx};
[INFO] [stderr]    |                     ^^^^^^ help: replace it with: `tx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> main.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return Chan{tx: tx, rx:rx};
[INFO] [stderr]    |                             ^^^^^ help: replace it with: `rx`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> main.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return Chan{tx: tx, rx:rx};
[INFO] [stderr]    |                     ^^^^^^ help: replace it with: `tx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> main.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return Chan{tx: tx, rx:rx};
[INFO] [stderr]    |                             ^^^^^ help: replace it with: `rx`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Result`
[INFO] [stderr]  --> main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return Chan{tx: tx, rx:rx};
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Chan{tx: tx, rx:rx}`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> main.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     match(x) {
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> main.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     match(x) {
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> main.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 |                             if (val!=msg.len()) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> main.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     if (terminate) {
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Result`
[INFO] [stderr]  --> main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return Chan{tx: tx, rx:rx};
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Chan{tx: tx, rx:rx}`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> main.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     match(x) {
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> main.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     match(x) {
[INFO] [stderr]    |                          ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> main.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 |                             if (val!=msg.len()) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> main.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     if (terminate) {
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connections`
[INFO] [stderr]   --> main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
[INFO] [stderr] warning: unused variable: `connections`
[INFO] [stderr]   --> main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider using `_connections` instead
[INFO] [stderr]    |
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> main.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Ok((mut s , addr)) => {
[INFO] [stderr]    |                         ^^^^ help: consider using `_addr` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chan`
[INFO] [stderr]   --> main.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
[INFO] [stderr]    |                     ^^^^ help: consider using `_chan` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> main.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |                         Some(val) => {
[INFO] [stderr]    |                              ^^^ help: consider using `_val` instead
[INFO] [stderr] 
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> main.rs:42:25
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Ok((mut s , addr)) => {
[INFO] [stderr]    |                         ^^^^ help: consider using `_addr` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `chan`
[INFO] [stderr]   --> main.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let chan:Chan = Chan::fromTuple( 
[INFO] [stderr]    |                     ^^^^ help: consider using `_chan` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> main.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |                         Some(val) => {
[INFO] [stderr]    |                              ^^^ help: consider using `_val` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
[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: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Ok((mut s , addr)) => {
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tx`
[INFO] [stderr]   --> main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     tx: Sender<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rx`
[INFO] [stderr]   --> main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     rx: Receiver<String>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
[INFO] [stderr]   --> main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
[INFO] [stderr] 26 | |         let (tx, rx) = input;
[INFO] [stderr] 27 | |         return Chan{tx: tx, rx:rx};
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut connections: HashMap<i32, Chan> = HashMap::new();
[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: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Ok((mut s , addr)) => {
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tx`
[INFO] [stderr]   --> main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     tx: Sender<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rx`
[INFO] [stderr]   --> main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     rx: Receiver<String>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fromTuple` should have a snake case name such as `from_tuple`
[INFO] [stderr]   --> main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     fn fromTuple(  input: ( Sender<String>, Receiver<String>) ) -> Chan {
[INFO] [stderr] 26 | |         let (tx, rx) = input;
[INFO] [stderr] 27 | |         return Chan{tx: tx, rx:rx};
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> main.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     stream.read(&mut buffer).unwrap();   // ignore here too
[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] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> main.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 | /                     match(x) {
[INFO] [stderr] 61 | |                         Some(val) => {
[INFO] [stderr] 62 | |                             terminate = true;
[INFO] [stderr] 63 | |                         }
[INFO] [stderr] 64 | |                         None => {}
[INFO] [stderr] 65 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     if let Some(val) = (x) {
[INFO] [stderr] 61 |     terminate = true;
[INFO] [stderr] 62 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> main.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                     match(x) {
[INFO] [stderr] 70 | |                         Some(val) => {
[INFO] [stderr] 71 | |                             let result:String= msg.chars().skip(0).take(val).collect();
[INFO] [stderr] 72 | |                             println!("msg: {0}", result); 
[INFO] [stderr] ...  |
[INFO] [stderr] 80 | |                         }
[INFO] [stderr] 81 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     if let Some(val) = (x) {
[INFO] [stderr] 70 |     let result:String= msg.chars().skip(0).take(val).collect();
[INFO] [stderr] 71 |     println!("msg: {0}", result); 
[INFO] [stderr] 72 |     if (val!=msg.len()) {
[INFO] [stderr] 73 |         msg = msg.chars().skip(val+5).take(msg.len()).collect();
[INFO] [stderr] 74 |     } else {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> main.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     stream.read(&mut buffer).unwrap();   // ignore here too
[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] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> main.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 | /                     match(x) {
[INFO] [stderr] 61 | |                         Some(val) => {
[INFO] [stderr] 62 | |                             terminate = true;
[INFO] [stderr] 63 | |                         }
[INFO] [stderr] 64 | |                         None => {}
[INFO] [stderr] 65 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     if let Some(val) = (x) {
[INFO] [stderr] 61 |     terminate = true;
[INFO] [stderr] 62 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> main.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 | /                     match(x) {
[INFO] [stderr] 70 | |                         Some(val) => {
[INFO] [stderr] 71 | |                             let result:String= msg.chars().skip(0).take(val).collect();
[INFO] [stderr] 72 | |                             println!("msg: {0}", result); 
[INFO] [stderr] ...  |
[INFO] [stderr] 80 | |                         }
[INFO] [stderr] 81 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     if let Some(val) = (x) {
[INFO] [stderr] 70 |     let result:String= msg.chars().skip(0).take(val).collect();
[INFO] [stderr] 71 |     println!("msg: {0}", result); 
[INFO] [stderr] 72 |     if (val!=msg.len()) {
[INFO] [stderr] 73 |         msg = msg.chars().skip(val+5).take(msg.len()).collect();
[INFO] [stderr] 74 |     } else {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tcp-socker-example`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `tcp-socker-example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9636ac01da35cd1896293f96657ae5af498af927d70f23ac92262d847eaa41bf"`
[INFO] running `"docker" "rm" "-f" "9636ac01da35cd1896293f96657ae5af498af927d70f23ac92262d847eaa41bf"`
[INFO] [stdout] 9636ac01da35cd1896293f96657ae5af498af927d70f23ac92262d847eaa41bf