[INFO] updating cached repository pjungwir/rust-thread-read-to-string
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pjungwir/rust-thread-read-to-string
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pjungwir/rust-thread-read-to-string" "work/ex/clippy-test-run/sources/stable/gh/pjungwir/rust-thread-read-to-string"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pjungwir/rust-thread-read-to-string'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pjungwir/rust-thread-read-to-string" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pjungwir/rust-thread-read-to-string"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pjungwir/rust-thread-read-to-string'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45c3aacc5ff0bd0df32aff67a1d240948f047874
[INFO] sha for GitHub repo pjungwir/rust-thread-read-to-string: 45c3aacc5ff0bd0df32aff67a1d240948f047874
[INFO] validating manifest of pjungwir/rust-thread-read-to-string 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 pjungwir/rust-thread-read-to-string 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 pjungwir/rust-thread-read-to-string
[INFO] finished frobbing pjungwir/rust-thread-read-to-string
[INFO] frobbed toml for pjungwir/rust-thread-read-to-string written to work/ex/clippy-test-run/sources/stable/gh/pjungwir/rust-thread-read-to-string/Cargo.toml
[INFO] started frobbing pjungwir/rust-thread-read-to-string
[INFO] finished frobbing pjungwir/rust-thread-read-to-string
[INFO] frobbed toml for pjungwir/rust-thread-read-to-string written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pjungwir/rust-thread-read-to-string/Cargo.toml
[INFO] crate pjungwir/rust-thread-read-to-string 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 pjungwir/rust-thread-read-to-string against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/pjungwir/rust-thread-read-to-string:/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] e9c97f58c444c06cfe050bed908c00d477b6d94bdac97d5347ee83dcd1725441
[INFO] running `"docker" "start" "-a" "e9c97f58c444c06cfe050bed908c00d477b6d94bdac97d5347ee83dcd1725441"`
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking thread-read-to-string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Request`
[INFO] [stderr]  --> src/main.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 | use hyper::client::{Request, Response};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Request`
[INFO] [stderr]  --> src/main.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 | use hyper::client::{Request, Response};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/main.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 |   let t = thread::spawn(move || {
[INFO] [stderr]    |       ^ help: consider using `_t` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/main.rs:73:7
[INFO] [stderr]    |
[INFO] [stderr] 73 |   let t = thread::spawn(move || {
[INFO] [stderr]    |       ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:108:7
[INFO] [stderr]     |
[INFO] [stderr] 108 |   let t = thread::spawn(move || {
[INFO] [stderr]     |       ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:141:7
[INFO] [stderr]     |
[INFO] [stderr] 141 |   let t = thread::spawn(move || {
[INFO] [stderr]     |       ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status_code`
[INFO] [stderr]    --> src/main.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
[INFO] [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status_code`
[INFO] [stderr]    --> src/main.rs:188:8
[INFO] [stderr]     |
[INFO] [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
[INFO] [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status_code`
[INFO] [stderr]    --> src/main.rs:193:7
[INFO] [stderr]     |
[INFO] [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
[INFO] [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 |   let mut c = Client::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]   --> src/main.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 |   let mut req = c.get(url);
[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/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut c = Client::new();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/main.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 |   let t = thread::spawn(move || {
[INFO] [stderr]    |       ^ help: consider using `_t` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut req = c.get(&url);
[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/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut ret = match req.send() {
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/main.rs:73:7
[INFO] [stderr]    |
[INFO] [stderr] 73 |   let t = thread::spawn(move || {
[INFO] [stderr]    |       ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:108:7
[INFO] [stderr]     |
[INFO] [stderr] 108 |   let t = thread::spawn(move || {
[INFO] [stderr]     |       ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:141:7
[INFO] [stderr]     |
[INFO] [stderr] 141 |   let t = thread::spawn(move || {
[INFO] [stderr]     |       ^ help: consider using `_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status_code`
[INFO] [stderr]    --> src/main.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
[INFO] [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status_code`
[INFO] [stderr]    --> src/main.rs:188:8
[INFO] [stderr]     |
[INFO] [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
[INFO] [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status_code`
[INFO] [stderr]    --> src/main.rs:193:7
[INFO] [stderr]     |
[INFO] [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
[INFO] [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut c = Client::new();
[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/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let mut req = c.get(&url);
[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/main.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut ret = match req.send() {
[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/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut c = Client::new();
[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/main.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let mut req = c.get(&url);
[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/main.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut ret = match req.send() {
[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/main.rs:137:38
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
[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/main.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 |   let mut c = Client::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]   --> src/main.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 |   let mut req = c.get(url);
[INFO] [stderr]    |       ----^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/main.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |   req.send().map_err(|e| MyAppError::TcpError(e))
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `MyAppError::TcpError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     match tx.send(send_request(&url)) {
[INFO] [stderr] 29 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 30 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____^ help: try this: `if let Ok(()) = tx.send(send_request(&url)) {}`
[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] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/main.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |   resp.read_to_string(&mut buf).map_err(|e| MyAppError::ReadError(e))?;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `MyAppError::ReadError`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let mut c = Client::new();
[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/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut req = c.get(&url);
[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/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut ret = match req.send() {
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/main.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 |   resp.read_to_string(&mut buf).map_err(|e| MyAppError::ReadError(e))?;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `MyAppError::ReadError`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut c = Client::new();
[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/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let mut req = c.get(&url);
[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/main.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut ret = match req.send() {
[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/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut c = Client::new();
[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/main.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let mut req = c.get(&url);
[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/main.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut ret = match req.send() {
[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/main.rs:137:38
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
[INFO] [stderr]     |                                      ----^^^^^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 | /     match tx.send(ret) {
[INFO] [stderr] 88 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 89 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 90 | |     }
[INFO] [stderr]    | |_____^ help: try this: `if let Ok(()) = tx.send(ret) {}`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 | /     match tx.send(ret) {
[INFO] [stderr] 123 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 124 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 125 | |     }
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(()) = tx.send(ret) {}`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/main.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |   req.send().map_err(|e| MyAppError::TcpError(e))
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `MyAppError::TcpError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     match tx.send(send_request(&url)) {
[INFO] [stderr] 29 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 30 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____^ help: try this: `if let Ok(()) = tx.send(send_request(&url)) {}`
[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] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/main.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |   resp.read_to_string(&mut buf).map_err(|e| MyAppError::ReadError(e))?;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `MyAppError::ReadError`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/main.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 |   resp.read_to_string(&mut buf).map_err(|e| MyAppError::ReadError(e))?;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `MyAppError::ReadError`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 | /     match tx.send(ret) {
[INFO] [stderr] 88 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 89 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 90 | |     }
[INFO] [stderr]    | |_____^ help: try this: `if let Ok(()) = tx.send(ret) {}`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     match tx.send(ret) {
[INFO] [stderr] 156 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 157 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 158 | |     }
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(()) = tx.send(ret) {}`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 | /     match tx.send(ret) {
[INFO] [stderr] 123 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 124 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 125 | |     }
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(()) = tx.send(ret) {}`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     match tx.send(ret) {
[INFO] [stderr] 156 | |       Ok(()) => {}, // everything good
[INFO] [stderr] 157 | |       Err(_) => {}, // we have been released, no biggie
[INFO] [stderr] 158 | |     }
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(()) = tx.send(ret) {}`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `"docker" "inspect" "e9c97f58c444c06cfe050bed908c00d477b6d94bdac97d5347ee83dcd1725441"`
[INFO] running `"docker" "rm" "-f" "e9c97f58c444c06cfe050bed908c00d477b6d94bdac97d5347ee83dcd1725441"`
[INFO] [stdout] e9c97f58c444c06cfe050bed908c00d477b6d94bdac97d5347ee83dcd1725441