Dec 01 05:58:22.763 INFO testing pjungwir/rust-thread-read-to-string against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 05:58:22.764 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 05:58:23.459 INFO [stdout] 00058e26e2fe896d080492d8397269ebcb5b6ddbfc8656bae35c827f4c0e5173
Dec 01 05:58:23.463 INFO running `"docker" "start" "-a" "00058e26e2fe896d080492d8397269ebcb5b6ddbfc8656bae35c827f4c0e5173"`
Dec 01 05:58:25.270 INFO [stderr] usermod: no changes
Dec 01 05:58:25.450 INFO [stderr]    Compiling mime v0.2.2
Dec 01 05:58:26.622 INFO [stderr]    Compiling hyper v0.10.5
Dec 01 05:58:37.383 INFO [stderr]    Compiling thread-read-to-string v0.1.0 (/source)
Dec 01 05:58:38.001 INFO [stderr] warning: unused import: `Request`
Dec 01 05:58:38.001 INFO [stderr]  --> src/main.rs:9:21
Dec 01 05:58:38.011 INFO [stderr]   |
Dec 01 05:58:38.011 INFO [stderr] 9 | use hyper::client::{Request, Response};
Dec 01 05:58:38.011 INFO [stderr]   |                     ^^^^^^^
Dec 01 05:58:38.011 INFO [stderr]   |
Dec 01 05:58:38.011 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 05:58:38.011 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:38.107 INFO [stderr]   --> src/main.rs:27:7
Dec 01 05:58:38.107 INFO [stderr]    |
Dec 01 05:58:38.107 INFO [stderr] 27 |   let t = thread::spawn(move || {
Dec 01 05:58:38.107 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 01 05:58:38.107 INFO [stderr]    |
Dec 01 05:58:38.107 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 05:58:38.107 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:38.107 INFO [stderr]   --> src/main.rs:73:7
Dec 01 05:58:38.107 INFO [stderr]    |
Dec 01 05:58:38.107 INFO [stderr] 73 |   let t = thread::spawn(move || {
Dec 01 05:58:38.107 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 01 05:58:38.107 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:38.107 INFO [stderr]    --> src/main.rs:108:7
Dec 01 05:58:38.107 INFO [stderr]     |
Dec 01 05:58:38.107 INFO [stderr] 108 |   let t = thread::spawn(move || {
Dec 01 05:58:38.107 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 01 05:58:38.107 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:38.107 INFO [stderr]    --> src/main.rs:141:7
Dec 01 05:58:38.107 INFO [stderr]     |
Dec 01 05:58:38.107 INFO [stderr] 141 |   let t = thread::spawn(move || {
Dec 01 05:58:38.107 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 01 05:58:38.107 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: unused variable: `status_code`
Dec 01 05:58:38.107 INFO [stderr]    --> src/main.rs:185:8
Dec 01 05:58:38.107 INFO [stderr]     |
Dec 01 05:58:38.107 INFO [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
Dec 01 05:58:38.107 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 01 05:58:38.107 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: unused variable: `status_code`
Dec 01 05:58:38.107 INFO [stderr]    --> src/main.rs:188:8
Dec 01 05:58:38.107 INFO [stderr]     |
Dec 01 05:58:38.107 INFO [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
Dec 01 05:58:38.107 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 01 05:58:38.107 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: unused variable: `status_code`
Dec 01 05:58:38.107 INFO [stderr]    --> src/main.rs:193:7
Dec 01 05:58:38.107 INFO [stderr]     |
Dec 01 05:58:38.107 INFO [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
Dec 01 05:58:38.107 INFO [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 01 05:58:38.107 INFO [stderr] 
Dec 01 05:58:38.107 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.108 INFO [stderr]   --> src/main.rs:19:7
Dec 01 05:58:38.108 INFO [stderr]    |
Dec 01 05:58:38.108 INFO [stderr] 19 |   let mut c = Client::new();
Dec 01 05:58:38.108 INFO [stderr]    |       ----^
Dec 01 05:58:38.108 INFO [stderr]    |       |
Dec 01 05:58:38.108 INFO [stderr]    |       help: remove this `mut`
Dec 01 05:58:38.108 INFO [stderr]    |
Dec 01 05:58:38.108 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 05:58:38.108 INFO [stderr] 
Dec 01 05:58:38.108 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.108 INFO [stderr]   --> src/main.rs:20:7
Dec 01 05:58:38.108 INFO [stderr]    |
Dec 01 05:58:38.108 INFO [stderr] 20 |   let mut req = c.get(url);
Dec 01 05:58:38.108 INFO [stderr]    |       ----^^^
Dec 01 05:58:38.108 INFO [stderr]    |       |
Dec 01 05:58:38.108 INFO [stderr]    |       help: remove this `mut`
Dec 01 05:58:38.108 INFO [stderr] 
Dec 01 05:58:38.118 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.118 INFO [stderr]   --> src/main.rs:74:9
Dec 01 05:58:38.118 INFO [stderr]    |
Dec 01 05:58:38.118 INFO [stderr] 74 |     let mut c = Client::new();
Dec 01 05:58:38.118 INFO [stderr]    |         ----^
Dec 01 05:58:38.118 INFO [stderr]    |         |
Dec 01 05:58:38.118 INFO [stderr]    |         help: remove this `mut`
Dec 01 05:58:38.118 INFO [stderr] 
Dec 01 05:58:38.118 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.118 INFO [stderr]   --> src/main.rs:75:9
Dec 01 05:58:38.118 INFO [stderr]    |
Dec 01 05:58:38.118 INFO [stderr] 75 |     let mut req = c.get(&url);
Dec 01 05:58:38.118 INFO [stderr]    |         ----^^^
Dec 01 05:58:38.118 INFO [stderr]    |         |
Dec 01 05:58:38.118 INFO [stderr]    |         help: remove this `mut`
Dec 01 05:58:38.118 INFO [stderr] 
Dec 01 05:58:38.118 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.118 INFO [stderr]   --> src/main.rs:76:9
Dec 01 05:58:38.118 INFO [stderr]    |
Dec 01 05:58:38.118 INFO [stderr] 76 |     let mut ret = match req.send() {
Dec 01 05:58:38.118 INFO [stderr]    |         ----^^^
Dec 01 05:58:38.118 INFO [stderr]    |         |
Dec 01 05:58:38.118 INFO [stderr]    |         help: remove this `mut`
Dec 01 05:58:38.118 INFO [stderr] 
Dec 01 05:58:38.118 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.118 INFO [stderr]    --> src/main.rs:109:9
Dec 01 05:58:38.118 INFO [stderr]     |
Dec 01 05:58:38.118 INFO [stderr] 109 |     let mut c = Client::new();
Dec 01 05:58:38.118 INFO [stderr]     |         ----^
Dec 01 05:58:38.118 INFO [stderr]     |         |
Dec 01 05:58:38.118 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:38.118 INFO [stderr] 
Dec 01 05:58:38.118 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.118 INFO [stderr]    --> src/main.rs:110:9
Dec 01 05:58:38.118 INFO [stderr]     |
Dec 01 05:58:38.118 INFO [stderr] 110 |     let mut req = c.get(&url);
Dec 01 05:58:38.118 INFO [stderr]     |         ----^^^
Dec 01 05:58:38.118 INFO [stderr]     |         |
Dec 01 05:58:38.118 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:38.118 INFO [stderr] 
Dec 01 05:58:38.119 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.119 INFO [stderr]    --> src/main.rs:111:9
Dec 01 05:58:38.119 INFO [stderr]     |
Dec 01 05:58:38.119 INFO [stderr] 111 |     let mut ret = match req.send() {
Dec 01 05:58:38.119 INFO [stderr]     |         ----^^^
Dec 01 05:58:38.119 INFO [stderr]     |         |
Dec 01 05:58:38.119 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:38.119 INFO [stderr] 
Dec 01 05:58:38.124 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.124 INFO [stderr]    --> src/main.rs:142:9
Dec 01 05:58:38.124 INFO [stderr]     |
Dec 01 05:58:38.124 INFO [stderr] 142 |     let mut c = Client::new();
Dec 01 05:58:38.124 INFO [stderr]     |         ----^
Dec 01 05:58:38.124 INFO [stderr]     |         |
Dec 01 05:58:38.124 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:38.124 INFO [stderr] 
Dec 01 05:58:38.124 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.124 INFO [stderr]    --> src/main.rs:143:9
Dec 01 05:58:38.124 INFO [stderr]     |
Dec 01 05:58:38.124 INFO [stderr] 143 |     let mut req = c.get(&url);
Dec 01 05:58:38.124 INFO [stderr]     |         ----^^^
Dec 01 05:58:38.124 INFO [stderr]     |         |
Dec 01 05:58:38.124 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:38.124 INFO [stderr] 
Dec 01 05:58:38.124 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.124 INFO [stderr]    --> src/main.rs:144:9
Dec 01 05:58:38.124 INFO [stderr]     |
Dec 01 05:58:38.124 INFO [stderr] 144 |     let mut ret = match req.send() {
Dec 01 05:58:38.124 INFO [stderr]     |         ----^^^
Dec 01 05:58:38.124 INFO [stderr]     |         |
Dec 01 05:58:38.124 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:38.124 INFO [stderr] 
Dec 01 05:58:38.124 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:38.124 INFO [stderr]    --> src/main.rs:137:38
Dec 01 05:58:38.124 INFO [stderr]     |
Dec 01 05:58:38.124 INFO [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
Dec 01 05:58:38.124 INFO [stderr]     |                                      ----^^^^^
Dec 01 05:58:38.124 INFO [stderr]     |                                      |
Dec 01 05:58:38.124 INFO [stderr]     |                                      help: remove this `mut`
Dec 01 05:58:38.124 INFO [stderr] 
Dec 01 05:58:40.795 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.48s
Dec 01 05:58:40.799 INFO [stderr] su: No module specific data is present
Dec 01 05:58:41.751 INFO running `"docker" "inspect" "00058e26e2fe896d080492d8397269ebcb5b6ddbfc8656bae35c827f4c0e5173"`
Dec 01 05:58:42.164 INFO running `"docker" "rm" "-f" "00058e26e2fe896d080492d8397269ebcb5b6ddbfc8656bae35c827f4c0e5173"`
Dec 01 05:58:42.519 INFO [stdout] 00058e26e2fe896d080492d8397269ebcb5b6ddbfc8656bae35c827f4c0e5173
Dec 01 05:58:42.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 05:58:43.023 INFO [stdout] 940e8746a230e2f90f69b9f3b9778b31f563a6f8fa17e4325f364b99cfbb8bb3
Dec 01 05:58:43.026 INFO running `"docker" "start" "-a" "940e8746a230e2f90f69b9f3b9778b31f563a6f8fa17e4325f364b99cfbb8bb3"`
Dec 01 05:58:44.855 INFO [stderr] usermod: no changes
Dec 01 05:58:45.007 INFO [stderr]    Compiling thread-read-to-string v0.1.0 (/source)
Dec 01 05:58:45.527 INFO [stderr] warning: unused import: `Request`
Dec 01 05:58:45.527 INFO [stderr]  --> src/main.rs:9:21
Dec 01 05:58:45.527 INFO [stderr]   |
Dec 01 05:58:45.527 INFO [stderr] 9 | use hyper::client::{Request, Response};
Dec 01 05:58:45.527 INFO [stderr]   |                     ^^^^^^^
Dec 01 05:58:45.527 INFO [stderr]   |
Dec 01 05:58:45.527 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 05:58:45.527 INFO [stderr] 
Dec 01 05:58:45.611 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:45.611 INFO [stderr]   --> src/main.rs:27:7
Dec 01 05:58:45.611 INFO [stderr]    |
Dec 01 05:58:45.611 INFO [stderr] 27 |   let t = thread::spawn(move || {
Dec 01 05:58:45.611 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 01 05:58:45.611 INFO [stderr]    |
Dec 01 05:58:45.611 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 05:58:45.611 INFO [stderr] 
Dec 01 05:58:45.611 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:45.611 INFO [stderr]   --> src/main.rs:73:7
Dec 01 05:58:45.611 INFO [stderr]    |
Dec 01 05:58:45.611 INFO [stderr] 73 |   let t = thread::spawn(move || {
Dec 01 05:58:45.611 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 01 05:58:45.611 INFO [stderr] 
Dec 01 05:58:45.611 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:45.611 INFO [stderr]    --> src/main.rs:108:7
Dec 01 05:58:45.611 INFO [stderr]     |
Dec 01 05:58:45.611 INFO [stderr] 108 |   let t = thread::spawn(move || {
Dec 01 05:58:45.611 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 01 05:58:45.611 INFO [stderr] 
Dec 01 05:58:45.611 INFO [stderr] warning: unused variable: `t`
Dec 01 05:58:45.611 INFO [stderr]    --> src/main.rs:141:7
Dec 01 05:58:45.611 INFO [stderr]     |
Dec 01 05:58:45.611 INFO [stderr] 141 |   let t = thread::spawn(move || {
Dec 01 05:58:45.611 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 01 05:58:45.611 INFO [stderr] 
Dec 01 05:58:45.611 INFO [stderr] warning: unused variable: `status_code`
Dec 01 05:58:45.611 INFO [stderr]    --> src/main.rs:185:8
Dec 01 05:58:45.611 INFO [stderr]     |
Dec 01 05:58:45.611 INFO [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
Dec 01 05:58:45.611 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 01 05:58:45.611 INFO [stderr] 
Dec 01 05:58:45.611 INFO [stderr] warning: unused variable: `status_code`
Dec 01 05:58:45.611 INFO [stderr]    --> src/main.rs:188:8
Dec 01 05:58:45.611 INFO [stderr]     |
Dec 01 05:58:45.611 INFO [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
Dec 01 05:58:45.611 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 01 05:58:45.611 INFO [stderr] 
Dec 01 05:58:45.611 INFO [stderr] warning: unused variable: `status_code`
Dec 01 05:58:45.611 INFO [stderr]    --> src/main.rs:193:7
Dec 01 05:58:45.611 INFO [stderr]     |
Dec 01 05:58:45.611 INFO [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
Dec 01 05:58:45.611 INFO [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 01 05:58:45.611 INFO [stderr] 
Dec 01 05:58:45.612 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.612 INFO [stderr]   --> src/main.rs:19:7
Dec 01 05:58:45.612 INFO [stderr]    |
Dec 01 05:58:45.612 INFO [stderr] 19 |   let mut c = Client::new();
Dec 01 05:58:45.612 INFO [stderr]    |       ----^
Dec 01 05:58:45.612 INFO [stderr]    |       |
Dec 01 05:58:45.612 INFO [stderr]    |       help: remove this `mut`
Dec 01 05:58:45.612 INFO [stderr]    |
Dec 01 05:58:45.612 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 05:58:45.612 INFO [stderr] 
Dec 01 05:58:45.612 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.612 INFO [stderr]   --> src/main.rs:20:7
Dec 01 05:58:45.612 INFO [stderr]    |
Dec 01 05:58:45.612 INFO [stderr] 20 |   let mut req = c.get(url);
Dec 01 05:58:45.612 INFO [stderr]    |       ----^^^
Dec 01 05:58:45.612 INFO [stderr]    |       |
Dec 01 05:58:45.612 INFO [stderr]    |       help: remove this `mut`
Dec 01 05:58:45.612 INFO [stderr] 
Dec 01 05:58:45.627 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.627 INFO [stderr]   --> src/main.rs:74:9
Dec 01 05:58:45.627 INFO [stderr]    |
Dec 01 05:58:45.627 INFO [stderr] 74 |     let mut c = Client::new();
Dec 01 05:58:45.627 INFO [stderr]    |         ----^
Dec 01 05:58:45.627 INFO [stderr]    |         |
Dec 01 05:58:45.627 INFO [stderr]    |         help: remove this `mut`
Dec 01 05:58:45.627 INFO [stderr] 
Dec 01 05:58:45.627 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.627 INFO [stderr]   --> src/main.rs:75:9
Dec 01 05:58:45.627 INFO [stderr]    |
Dec 01 05:58:45.627 INFO [stderr] 75 |     let mut req = c.get(&url);
Dec 01 05:58:45.627 INFO [stderr]    |         ----^^^
Dec 01 05:58:45.627 INFO [stderr]    |         |
Dec 01 05:58:45.627 INFO [stderr]    |         help: remove this `mut`
Dec 01 05:58:45.627 INFO [stderr] 
Dec 01 05:58:45.627 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.627 INFO [stderr]   --> src/main.rs:76:9
Dec 01 05:58:45.627 INFO [stderr]    |
Dec 01 05:58:45.627 INFO [stderr] 76 |     let mut ret = match req.send() {
Dec 01 05:58:45.627 INFO [stderr]    |         ----^^^
Dec 01 05:58:45.627 INFO [stderr]    |         |
Dec 01 05:58:45.627 INFO [stderr]    |         help: remove this `mut`
Dec 01 05:58:45.627 INFO [stderr] 
Dec 01 05:58:45.627 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.628 INFO [stderr]    --> src/main.rs:109:9
Dec 01 05:58:45.628 INFO [stderr]     |
Dec 01 05:58:45.628 INFO [stderr] 109 |     let mut c = Client::new();
Dec 01 05:58:45.628 INFO [stderr]     |         ----^
Dec 01 05:58:45.628 INFO [stderr]     |         |
Dec 01 05:58:45.628 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:45.628 INFO [stderr] 
Dec 01 05:58:45.628 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.628 INFO [stderr]    --> src/main.rs:110:9
Dec 01 05:58:45.628 INFO [stderr]     |
Dec 01 05:58:45.628 INFO [stderr] 110 |     let mut req = c.get(&url);
Dec 01 05:58:45.628 INFO [stderr]     |         ----^^^
Dec 01 05:58:45.628 INFO [stderr]     |         |
Dec 01 05:58:45.628 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:45.628 INFO [stderr] 
Dec 01 05:58:45.628 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.628 INFO [stderr]    --> src/main.rs:111:9
Dec 01 05:58:45.628 INFO [stderr]     |
Dec 01 05:58:45.628 INFO [stderr] 111 |     let mut ret = match req.send() {
Dec 01 05:58:45.628 INFO [stderr]     |         ----^^^
Dec 01 05:58:45.628 INFO [stderr]     |         |
Dec 01 05:58:45.628 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:45.628 INFO [stderr] 
Dec 01 05:58:45.631 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.631 INFO [stderr]    --> src/main.rs:142:9
Dec 01 05:58:45.631 INFO [stderr]     |
Dec 01 05:58:45.631 INFO [stderr] 142 |     let mut c = Client::new();
Dec 01 05:58:45.631 INFO [stderr]     |         ----^
Dec 01 05:58:45.631 INFO [stderr]     |         |
Dec 01 05:58:45.631 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:45.631 INFO [stderr] 
Dec 01 05:58:45.631 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.631 INFO [stderr]    --> src/main.rs:143:9
Dec 01 05:58:45.631 INFO [stderr]     |
Dec 01 05:58:45.631 INFO [stderr] 143 |     let mut req = c.get(&url);
Dec 01 05:58:45.631 INFO [stderr]     |         ----^^^
Dec 01 05:58:45.631 INFO [stderr]     |         |
Dec 01 05:58:45.631 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:45.631 INFO [stderr] 
Dec 01 05:58:45.631 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.631 INFO [stderr]    --> src/main.rs:144:9
Dec 01 05:58:45.631 INFO [stderr]     |
Dec 01 05:58:45.631 INFO [stderr] 144 |     let mut ret = match req.send() {
Dec 01 05:58:45.631 INFO [stderr]     |         ----^^^
Dec 01 05:58:45.631 INFO [stderr]     |         |
Dec 01 05:58:45.631 INFO [stderr]     |         help: remove this `mut`
Dec 01 05:58:45.631 INFO [stderr] 
Dec 01 05:58:45.631 INFO [stderr] warning: variable does not need to be mutable
Dec 01 05:58:45.631 INFO [stderr]    --> src/main.rs:137:38
Dec 01 05:58:45.631 INFO [stderr]     |
Dec 01 05:58:45.631 INFO [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
Dec 01 05:58:45.631 INFO [stderr]     |                                      ----^^^^^
Dec 01 05:58:45.631 INFO [stderr]     |                                      |
Dec 01 05:58:45.631 INFO [stderr]     |                                      help: remove this `mut`
Dec 01 05:58:45.631 INFO [stderr] 
Dec 01 05:58:46.150 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 01 05:58:46.159 INFO [stderr] su: No module specific data is present
Dec 01 05:58:46.983 INFO running `"docker" "inspect" "940e8746a230e2f90f69b9f3b9778b31f563a6f8fa17e4325f364b99cfbb8bb3"`
Dec 01 05:58:47.272 INFO running `"docker" "rm" "-f" "940e8746a230e2f90f69b9f3b9778b31f563a6f8fa17e4325f364b99cfbb8bb3"`
Dec 01 05:58:47.647 INFO [stdout] 940e8746a230e2f90f69b9f3b9778b31f563a6f8fa17e4325f364b99cfbb8bb3
Dec 01 05:58:47.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 05:58:48.127 INFO [stdout] 550c9c438333178eb29b78272e89b951882d8e0ce3ed039d5373a896eb4f5218
Dec 01 05:58:48.135 INFO running `"docker" "start" "-a" "550c9c438333178eb29b78272e89b951882d8e0ce3ed039d5373a896eb4f5218"`
Dec 01 05:58:50.035 INFO [stderr] usermod: no changes
Dec 01 05:58:50.127 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 01 05:58:50.136 INFO [stderr]      Running /target/debug/deps/thread_read_to_string-f2164ab5a0108d9b
Dec 01 05:58:50.149 INFO [stdout] 
Dec 01 05:58:50.149 INFO [stdout] running 0 tests
Dec 01 05:58:50.149 INFO [stdout] 
Dec 01 05:58:50.149 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 05:58:50.149 INFO [stdout] 
Dec 01 05:58:50.151 INFO [stderr] su: No module specific data is present
Dec 01 05:58:50.931 INFO running `"docker" "inspect" "550c9c438333178eb29b78272e89b951882d8e0ce3ed039d5373a896eb4f5218"`
Dec 01 05:58:51.345 INFO running `"docker" "rm" "-f" "550c9c438333178eb29b78272e89b951882d8e0ce3ed039d5373a896eb4f5218"`
Dec 01 05:58:51.626 INFO [stdout] 550c9c438333178eb29b78272e89b951882d8e0ce3ed039d5373a896eb4f5218
