Dec 11 11:44:41.433 INFO checking pjungwir/rust-thread-read-to-string against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 11:44:41.433 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 11:44:41.972 INFO [stdout] 7e5758b48b727e8d5b531281603c4234b4430de0c94ef2a82c71eadf816e43ba
Dec 11 11:44:41.974 INFO running `"docker" "start" "-a" "7e5758b48b727e8d5b531281603c4234b4430de0c94ef2a82c71eadf816e43ba"`
Dec 11 11:44:43.443 INFO [stderr] usermod: no changes
Dec 11 11:44:43.576 INFO [stderr]     Checking mime v0.2.2
Dec 11 11:44:44.104 INFO [stderr]     Checking hyper v0.10.5
Dec 11 11:44:47.684 INFO [stderr]     Checking thread-read-to-string v0.1.0 (/source)
Dec 11 11:44:48.271 INFO [stderr] warning: unused import: `Request`
Dec 11 11:44:48.271 INFO [stderr]  --> src/main.rs:9:21
Dec 11 11:44:48.271 INFO [stderr]   |
Dec 11 11:44:48.271 INFO [stderr] 9 | use hyper::client::{Request, Response};
Dec 11 11:44:48.271 INFO [stderr]   |                     ^^^^^^^
Dec 11 11:44:48.271 INFO [stderr]   |
Dec 11 11:44:48.271 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:44:48.271 INFO [stderr] 
Dec 11 11:44:48.344 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.344 INFO [stderr]   --> src/main.rs:27:7
Dec 11 11:44:48.344 INFO [stderr]    |
Dec 11 11:44:48.344 INFO [stderr] 27 |   let t = thread::spawn(move || {
Dec 11 11:44:48.344 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 11 11:44:48.344 INFO [stderr]    |
Dec 11 11:44:48.344 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:44:48.344 INFO [stderr] 
Dec 11 11:44:48.344 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.344 INFO [stderr]   --> src/main.rs:73:7
Dec 11 11:44:48.344 INFO [stderr]    |
Dec 11 11:44:48.344 INFO [stderr] 73 |   let t = thread::spawn(move || {
Dec 11 11:44:48.344 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 11 11:44:48.344 INFO [stderr] 
Dec 11 11:44:48.344 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.344 INFO [stderr]    --> src/main.rs:108:7
Dec 11 11:44:48.344 INFO [stderr]     |
Dec 11 11:44:48.344 INFO [stderr] 108 |   let t = thread::spawn(move || {
Dec 11 11:44:48.344 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 11 11:44:48.344 INFO [stderr] 
Dec 11 11:44:48.345 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.345 INFO [stderr]    --> src/main.rs:141:7
Dec 11 11:44:48.345 INFO [stderr]     |
Dec 11 11:44:48.345 INFO [stderr] 141 |   let t = thread::spawn(move || {
Dec 11 11:44:48.345 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 11 11:44:48.345 INFO [stderr] 
Dec 11 11:44:48.345 INFO [stderr] warning: unused variable: `status_code`
Dec 11 11:44:48.345 INFO [stderr]    --> src/main.rs:185:8
Dec 11 11:44:48.346 INFO [stderr]     |
Dec 11 11:44:48.346 INFO [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
Dec 11 11:44:48.346 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 11 11:44:48.346 INFO [stderr] 
Dec 11 11:44:48.347 INFO [stderr] warning: unused variable: `status_code`
Dec 11 11:44:48.347 INFO [stderr]    --> src/main.rs:188:8
Dec 11 11:44:48.347 INFO [stderr]     |
Dec 11 11:44:48.347 INFO [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
Dec 11 11:44:48.348 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 11 11:44:48.348 INFO [stderr] 
Dec 11 11:44:48.348 INFO [stderr] warning: unused variable: `status_code`
Dec 11 11:44:48.348 INFO [stderr]    --> src/main.rs:193:7
Dec 11 11:44:48.348 INFO [stderr]     |
Dec 11 11:44:48.348 INFO [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
Dec 11 11:44:48.348 INFO [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 11 11:44:48.348 INFO [stderr] 
Dec 11 11:44:48.351 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.351 INFO [stderr]   --> src/main.rs:19:7
Dec 11 11:44:48.351 INFO [stderr]    |
Dec 11 11:44:48.351 INFO [stderr] 19 |   let mut c = Client::new();
Dec 11 11:44:48.351 INFO [stderr]    |       ----^
Dec 11 11:44:48.351 INFO [stderr]    |       |
Dec 11 11:44:48.351 INFO [stderr]    |       help: remove this `mut`
Dec 11 11:44:48.351 INFO [stderr]    |
Dec 11 11:44:48.351 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 11:44:48.352 INFO [stderr] 
Dec 11 11:44:48.352 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.352 INFO [stderr]   --> src/main.rs:20:7
Dec 11 11:44:48.352 INFO [stderr]    |
Dec 11 11:44:48.352 INFO [stderr] 20 |   let mut req = c.get(url);
Dec 11 11:44:48.352 INFO [stderr]    |       ----^^^
Dec 11 11:44:48.352 INFO [stderr]    |       |
Dec 11 11:44:48.352 INFO [stderr]    |       help: remove this `mut`
Dec 11 11:44:48.360 INFO [stderr] 
Dec 11 11:44:48.364 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.364 INFO [stderr]   --> src/main.rs:74:9
Dec 11 11:44:48.364 INFO [stderr]    |
Dec 11 11:44:48.364 INFO [stderr] 74 |     let mut c = Client::new();
Dec 11 11:44:48.364 INFO [stderr]    |         ----^
Dec 11 11:44:48.364 INFO [stderr]    |         |
Dec 11 11:44:48.364 INFO [stderr]    |         help: remove this `mut`
Dec 11 11:44:48.364 INFO [stderr] 
Dec 11 11:44:48.364 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.364 INFO [stderr]   --> src/main.rs:75:9
Dec 11 11:44:48.364 INFO [stderr]    |
Dec 11 11:44:48.364 INFO [stderr] 75 |     let mut req = c.get(&url);
Dec 11 11:44:48.364 INFO [stderr]    |         ----^^^
Dec 11 11:44:48.364 INFO [stderr]    |         |
Dec 11 11:44:48.364 INFO [stderr]    |         help: remove this `mut`
Dec 11 11:44:48.364 INFO [stderr] 
Dec 11 11:44:48.364 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.364 INFO [stderr]   --> src/main.rs:76:9
Dec 11 11:44:48.364 INFO [stderr]    |
Dec 11 11:44:48.364 INFO [stderr] 76 |     let mut ret = match req.send() {
Dec 11 11:44:48.364 INFO [stderr]    |         ----^^^
Dec 11 11:44:48.364 INFO [stderr]    |         |
Dec 11 11:44:48.364 INFO [stderr]    |         help: remove this `mut`
Dec 11 11:44:48.364 INFO [stderr] 
Dec 11 11:44:48.364 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.364 INFO [stderr]    --> src/main.rs:109:9
Dec 11 11:44:48.364 INFO [stderr]     |
Dec 11 11:44:48.364 INFO [stderr] 109 |     let mut c = Client::new();
Dec 11 11:44:48.364 INFO [stderr]     |         ----^
Dec 11 11:44:48.364 INFO [stderr]     |         |
Dec 11 11:44:48.364 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.364 INFO [stderr] 
Dec 11 11:44:48.364 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.364 INFO [stderr]    --> src/main.rs:110:9
Dec 11 11:44:48.364 INFO [stderr]     |
Dec 11 11:44:48.365 INFO [stderr] 110 |     let mut req = c.get(&url);
Dec 11 11:44:48.365 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.365 INFO [stderr]     |         |
Dec 11 11:44:48.365 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.365 INFO [stderr] 
Dec 11 11:44:48.365 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.365 INFO [stderr]    --> src/main.rs:111:9
Dec 11 11:44:48.365 INFO [stderr]     |
Dec 11 11:44:48.365 INFO [stderr] 111 |     let mut ret = match req.send() {
Dec 11 11:44:48.365 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.365 INFO [stderr]     |         |
Dec 11 11:44:48.365 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.365 INFO [stderr] 
Dec 11 11:44:48.374 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.374 INFO [stderr]    --> src/main.rs:142:9
Dec 11 11:44:48.374 INFO [stderr]     |
Dec 11 11:44:48.374 INFO [stderr] 142 |     let mut c = Client::new();
Dec 11 11:44:48.374 INFO [stderr]     |         ----^
Dec 11 11:44:48.374 INFO [stderr]     |         |
Dec 11 11:44:48.374 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.374 INFO [stderr] 
Dec 11 11:44:48.374 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.374 INFO [stderr]    --> src/main.rs:143:9
Dec 11 11:44:48.374 INFO [stderr]     |
Dec 11 11:44:48.374 INFO [stderr] 143 |     let mut req = c.get(&url);
Dec 11 11:44:48.374 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.375 INFO [stderr]     |         |
Dec 11 11:44:48.375 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.375 INFO [stderr] 
Dec 11 11:44:48.375 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.375 INFO [stderr]    --> src/main.rs:144:9
Dec 11 11:44:48.375 INFO [stderr]     |
Dec 11 11:44:48.375 INFO [stderr] 144 |     let mut ret = match req.send() {
Dec 11 11:44:48.375 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.375 INFO [stderr]     |         |
Dec 11 11:44:48.375 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.375 INFO [stderr] 
Dec 11 11:44:48.375 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.375 INFO [stderr]    --> src/main.rs:137:38
Dec 11 11:44:48.375 INFO [stderr]     |
Dec 11 11:44:48.375 INFO [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
Dec 11 11:44:48.375 INFO [stderr]     |                                      ----^^^^^
Dec 11 11:44:48.375 INFO [stderr]     |                                      |
Dec 11 11:44:48.375 INFO [stderr]     |                                      help: remove this `mut`
Dec 11 11:44:48.375 INFO [stderr] 
Dec 11 11:44:48.568 INFO [stderr] warning: unused import: `Request`
Dec 11 11:44:48.568 INFO [stderr]  --> src/main.rs:9:21
Dec 11 11:44:48.568 INFO [stderr]   |
Dec 11 11:44:48.568 INFO [stderr] 9 | use hyper::client::{Request, Response};
Dec 11 11:44:48.568 INFO [stderr]   |                     ^^^^^^^
Dec 11 11:44:48.568 INFO [stderr]   |
Dec 11 11:44:48.568 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:44:48.568 INFO [stderr] 
Dec 11 11:44:48.656 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.656 INFO [stderr]   --> src/main.rs:27:7
Dec 11 11:44:48.656 INFO [stderr]    |
Dec 11 11:44:48.656 INFO [stderr] 27 |   let t = thread::spawn(move || {
Dec 11 11:44:48.656 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 11 11:44:48.656 INFO [stderr]    |
Dec 11 11:44:48.656 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:44:48.656 INFO [stderr] 
Dec 11 11:44:48.656 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.656 INFO [stderr]   --> src/main.rs:73:7
Dec 11 11:44:48.656 INFO [stderr]    |
Dec 11 11:44:48.657 INFO [stderr] 73 |   let t = thread::spawn(move || {
Dec 11 11:44:48.657 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.657 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.657 INFO [stderr]    --> src/main.rs:108:7
Dec 11 11:44:48.657 INFO [stderr]     |
Dec 11 11:44:48.657 INFO [stderr] 108 |   let t = thread::spawn(move || {
Dec 11 11:44:48.657 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.657 INFO [stderr] warning: unused variable: `t`
Dec 11 11:44:48.657 INFO [stderr]    --> src/main.rs:141:7
Dec 11 11:44:48.657 INFO [stderr]     |
Dec 11 11:44:48.657 INFO [stderr] 141 |   let t = thread::spawn(move || {
Dec 11 11:44:48.657 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.657 INFO [stderr] warning: unused variable: `status_code`
Dec 11 11:44:48.657 INFO [stderr]    --> src/main.rs:185:8
Dec 11 11:44:48.657 INFO [stderr]     |
Dec 11 11:44:48.657 INFO [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
Dec 11 11:44:48.657 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.657 INFO [stderr] warning: unused variable: `status_code`
Dec 11 11:44:48.657 INFO [stderr]    --> src/main.rs:188:8
Dec 11 11:44:48.657 INFO [stderr]     |
Dec 11 11:44:48.657 INFO [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
Dec 11 11:44:48.657 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.657 INFO [stderr] warning: unused variable: `status_code`
Dec 11 11:44:48.657 INFO [stderr]    --> src/main.rs:193:7
Dec 11 11:44:48.657 INFO [stderr]     |
Dec 11 11:44:48.657 INFO [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
Dec 11 11:44:48.657 INFO [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.657 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.657 INFO [stderr]   --> src/main.rs:19:7
Dec 11 11:44:48.657 INFO [stderr]    |
Dec 11 11:44:48.657 INFO [stderr] 19 |   let mut c = Client::new();
Dec 11 11:44:48.657 INFO [stderr]    |       ----^
Dec 11 11:44:48.657 INFO [stderr]    |       |
Dec 11 11:44:48.657 INFO [stderr]    |       help: remove this `mut`
Dec 11 11:44:48.657 INFO [stderr]    |
Dec 11 11:44:48.657 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.657 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.657 INFO [stderr]   --> src/main.rs:20:7
Dec 11 11:44:48.657 INFO [stderr]    |
Dec 11 11:44:48.657 INFO [stderr] 20 |   let mut req = c.get(url);
Dec 11 11:44:48.657 INFO [stderr]    |       ----^^^
Dec 11 11:44:48.657 INFO [stderr]    |       |
Dec 11 11:44:48.657 INFO [stderr]    |       help: remove this `mut`
Dec 11 11:44:48.657 INFO [stderr] 
Dec 11 11:44:48.668 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.668 INFO [stderr]   --> src/main.rs:74:9
Dec 11 11:44:48.668 INFO [stderr]    |
Dec 11 11:44:48.668 INFO [stderr] 74 |     let mut c = Client::new();
Dec 11 11:44:48.668 INFO [stderr]    |         ----^
Dec 11 11:44:48.668 INFO [stderr]    |         |
Dec 11 11:44:48.668 INFO [stderr]    |         help: remove this `mut`
Dec 11 11:44:48.668 INFO [stderr] 
Dec 11 11:44:48.668 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.668 INFO [stderr]   --> src/main.rs:75:9
Dec 11 11:44:48.668 INFO [stderr]    |
Dec 11 11:44:48.668 INFO [stderr] 75 |     let mut req = c.get(&url);
Dec 11 11:44:48.668 INFO [stderr]    |         ----^^^
Dec 11 11:44:48.668 INFO [stderr]    |         |
Dec 11 11:44:48.668 INFO [stderr]    |         help: remove this `mut`
Dec 11 11:44:48.668 INFO [stderr] 
Dec 11 11:44:48.668 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.668 INFO [stderr]   --> src/main.rs:76:9
Dec 11 11:44:48.668 INFO [stderr]    |
Dec 11 11:44:48.668 INFO [stderr] 76 |     let mut ret = match req.send() {
Dec 11 11:44:48.668 INFO [stderr]    |         ----^^^
Dec 11 11:44:48.669 INFO [stderr]    |         |
Dec 11 11:44:48.669 INFO [stderr]    |         help: remove this `mut`
Dec 11 11:44:48.669 INFO [stderr] 
Dec 11 11:44:48.669 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.669 INFO [stderr]    --> src/main.rs:109:9
Dec 11 11:44:48.669 INFO [stderr]     |
Dec 11 11:44:48.669 INFO [stderr] 109 |     let mut c = Client::new();
Dec 11 11:44:48.669 INFO [stderr]     |         ----^
Dec 11 11:44:48.669 INFO [stderr]     |         |
Dec 11 11:44:48.669 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.669 INFO [stderr] 
Dec 11 11:44:48.669 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.669 INFO [stderr]    --> src/main.rs:110:9
Dec 11 11:44:48.669 INFO [stderr]     |
Dec 11 11:44:48.669 INFO [stderr] 110 |     let mut req = c.get(&url);
Dec 11 11:44:48.669 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.669 INFO [stderr]     |         |
Dec 11 11:44:48.669 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.669 INFO [stderr] 
Dec 11 11:44:48.669 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.669 INFO [stderr]    --> src/main.rs:111:9
Dec 11 11:44:48.669 INFO [stderr]     |
Dec 11 11:44:48.669 INFO [stderr] 111 |     let mut ret = match req.send() {
Dec 11 11:44:48.669 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.669 INFO [stderr]     |         |
Dec 11 11:44:48.669 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.669 INFO [stderr] 
Dec 11 11:44:48.672 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.672 INFO [stderr]    --> src/main.rs:142:9
Dec 11 11:44:48.672 INFO [stderr]     |
Dec 11 11:44:48.672 INFO [stderr] 142 |     let mut c = Client::new();
Dec 11 11:44:48.672 INFO [stderr]     |         ----^
Dec 11 11:44:48.672 INFO [stderr]     |         |
Dec 11 11:44:48.672 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.672 INFO [stderr] 
Dec 11 11:44:48.672 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.672 INFO [stderr]    --> src/main.rs:143:9
Dec 11 11:44:48.672 INFO [stderr]     |
Dec 11 11:44:48.672 INFO [stderr] 143 |     let mut req = c.get(&url);
Dec 11 11:44:48.672 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.672 INFO [stderr]     |         |
Dec 11 11:44:48.672 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.672 INFO [stderr] 
Dec 11 11:44:48.672 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.672 INFO [stderr]    --> src/main.rs:144:9
Dec 11 11:44:48.672 INFO [stderr]     |
Dec 11 11:44:48.672 INFO [stderr] 144 |     let mut ret = match req.send() {
Dec 11 11:44:48.672 INFO [stderr]     |         ----^^^
Dec 11 11:44:48.672 INFO [stderr]     |         |
Dec 11 11:44:48.672 INFO [stderr]     |         help: remove this `mut`
Dec 11 11:44:48.673 INFO [stderr] 
Dec 11 11:44:48.673 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:44:48.673 INFO [stderr]    --> src/main.rs:137:38
Dec 11 11:44:48.673 INFO [stderr]     |
Dec 11 11:44:48.673 INFO [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
Dec 11 11:44:48.673 INFO [stderr]     |                                      ----^^^^^
Dec 11 11:44:48.673 INFO [stderr]     |                                      |
Dec 11 11:44:48.673 INFO [stderr]     |                                      help: remove this `mut`
Dec 11 11:44:48.673 INFO [stderr] 
Dec 11 11:44:48.724 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.25s
Dec 11 11:44:48.729 INFO [stderr] su: No module specific data is present
Dec 11 11:44:49.488 INFO running `"docker" "inspect" "7e5758b48b727e8d5b531281603c4234b4430de0c94ef2a82c71eadf816e43ba"`
Dec 11 11:44:49.810 INFO running `"docker" "rm" "-f" "7e5758b48b727e8d5b531281603c4234b4430de0c94ef2a82c71eadf816e43ba"`
Dec 11 11:44:50.144 INFO [stdout] 7e5758b48b727e8d5b531281603c4234b4430de0c94ef2a82c71eadf816e43ba