Dec 13 07:14:23.044 INFO testing pjungwir/rust-thread-read-to-string against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 07:14:23.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 07:14:23.645 INFO [stdout] b29e33b7b18be1cbc858dd12c3174000fe35af5fcb42eacdd4e3346fd014f3e5
Dec 13 07:14:23.655 INFO running `"docker" "start" "-a" "b29e33b7b18be1cbc858dd12c3174000fe35af5fcb42eacdd4e3346fd014f3e5"`
Dec 13 07:14:24.962 INFO [stderr] usermod: no changes
Dec 13 07:14:25.123 INFO [stderr]    Compiling mime v0.2.2
Dec 13 07:14:26.551 INFO [stderr]    Compiling hyper v0.10.5
Dec 13 07:14:36.876 INFO [stderr]    Compiling thread-read-to-string v0.1.0 (/source)
Dec 13 07:14:37.464 INFO [stderr] warning: unused import: `Request`
Dec 13 07:14:37.464 INFO [stderr]  --> src/main.rs:9:21
Dec 13 07:14:37.464 INFO [stderr]   |
Dec 13 07:14:37.464 INFO [stderr] 9 | use hyper::client::{Request, Response};
Dec 13 07:14:37.465 INFO [stderr]   |                     ^^^^^^^
Dec 13 07:14:37.465 INFO [stderr]   |
Dec 13 07:14:37.465 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:14:37.465 INFO [stderr] 
Dec 13 07:14:37.538 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:37.538 INFO [stderr]   --> src/main.rs:27:7
Dec 13 07:14:37.538 INFO [stderr]    |
Dec 13 07:14:37.539 INFO [stderr] 27 |   let t = thread::spawn(move || {
Dec 13 07:14:37.539 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 13 07:14:37.539 INFO [stderr]    |
Dec 13 07:14:37.540 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 07:14:37.540 INFO [stderr] 
Dec 13 07:14:37.540 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:37.540 INFO [stderr]   --> src/main.rs:73:7
Dec 13 07:14:37.541 INFO [stderr]    |
Dec 13 07:14:37.541 INFO [stderr] 73 |   let t = thread::spawn(move || {
Dec 13 07:14:37.541 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 13 07:14:37.541 INFO [stderr] 
Dec 13 07:14:37.542 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:37.542 INFO [stderr]    --> src/main.rs:108:7
Dec 13 07:14:37.542 INFO [stderr]     |
Dec 13 07:14:37.543 INFO [stderr] 108 |   let t = thread::spawn(move || {
Dec 13 07:14:37.543 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 13 07:14:37.543 INFO [stderr] 
Dec 13 07:14:37.543 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:37.544 INFO [stderr]    --> src/main.rs:141:7
Dec 13 07:14:37.544 INFO [stderr]     |
Dec 13 07:14:37.544 INFO [stderr] 141 |   let t = thread::spawn(move || {
Dec 13 07:14:37.545 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 13 07:14:37.545 INFO [stderr] 
Dec 13 07:14:37.545 INFO [stderr] warning: unused variable: `status_code`
Dec 13 07:14:37.545 INFO [stderr]    --> src/main.rs:185:8
Dec 13 07:14:37.546 INFO [stderr]     |
Dec 13 07:14:37.546 INFO [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
Dec 13 07:14:37.546 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 13 07:14:37.546 INFO [stderr] 
Dec 13 07:14:37.547 INFO [stderr] warning: unused variable: `status_code`
Dec 13 07:14:37.547 INFO [stderr]    --> src/main.rs:188:8
Dec 13 07:14:37.547 INFO [stderr]     |
Dec 13 07:14:37.547 INFO [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
Dec 13 07:14:37.548 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 13 07:14:37.548 INFO [stderr] 
Dec 13 07:14:37.548 INFO [stderr] warning: unused variable: `status_code`
Dec 13 07:14:37.548 INFO [stderr]    --> src/main.rs:193:7
Dec 13 07:14:37.548 INFO [stderr]     |
Dec 13 07:14:37.549 INFO [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
Dec 13 07:14:37.549 INFO [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 13 07:14:37.549 INFO [stderr] 
Dec 13 07:14:37.550 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.550 INFO [stderr]   --> src/main.rs:19:7
Dec 13 07:14:37.550 INFO [stderr]    |
Dec 13 07:14:37.550 INFO [stderr] 19 |   let mut c = Client::new();
Dec 13 07:14:37.551 INFO [stderr]    |       ----^
Dec 13 07:14:37.551 INFO [stderr]    |       |
Dec 13 07:14:37.552 INFO [stderr]    |       help: remove this `mut`
Dec 13 07:14:37.552 INFO [stderr]    |
Dec 13 07:14:37.552 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:14:37.552 INFO [stderr] 
Dec 13 07:14:37.552 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.552 INFO [stderr]   --> src/main.rs:20:7
Dec 13 07:14:37.552 INFO [stderr]    |
Dec 13 07:14:37.552 INFO [stderr] 20 |   let mut req = c.get(url);
Dec 13 07:14:37.552 INFO [stderr]    |       ----^^^
Dec 13 07:14:37.552 INFO [stderr]    |       |
Dec 13 07:14:37.552 INFO [stderr]    |       help: remove this `mut`
Dec 13 07:14:37.552 INFO [stderr] 
Dec 13 07:14:37.552 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.552 INFO [stderr]   --> src/main.rs:74:9
Dec 13 07:14:37.552 INFO [stderr]    |
Dec 13 07:14:37.552 INFO [stderr] 74 |     let mut c = Client::new();
Dec 13 07:14:37.552 INFO [stderr]    |         ----^
Dec 13 07:14:37.552 INFO [stderr]    |         |
Dec 13 07:14:37.552 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:14:37.552 INFO [stderr] 
Dec 13 07:14:37.552 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.552 INFO [stderr]   --> src/main.rs:75:9
Dec 13 07:14:37.552 INFO [stderr]    |
Dec 13 07:14:37.552 INFO [stderr] 75 |     let mut req = c.get(&url);
Dec 13 07:14:37.552 INFO [stderr]    |         ----^^^
Dec 13 07:14:37.552 INFO [stderr]    |         |
Dec 13 07:14:37.552 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:14:37.552 INFO [stderr] 
Dec 13 07:14:37.552 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.552 INFO [stderr]   --> src/main.rs:76:9
Dec 13 07:14:37.552 INFO [stderr]    |
Dec 13 07:14:37.552 INFO [stderr] 76 |     let mut ret = match req.send() {
Dec 13 07:14:37.552 INFO [stderr]    |         ----^^^
Dec 13 07:14:37.552 INFO [stderr]    |         |
Dec 13 07:14:37.552 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:14:37.552 INFO [stderr] 
Dec 13 07:14:37.553 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.553 INFO [stderr]    --> src/main.rs:109:9
Dec 13 07:14:37.554 INFO [stderr]     |
Dec 13 07:14:37.554 INFO [stderr] 109 |     let mut c = Client::new();
Dec 13 07:14:37.554 INFO [stderr]     |         ----^
Dec 13 07:14:37.555 INFO [stderr]     |         |
Dec 13 07:14:37.555 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:37.555 INFO [stderr] 
Dec 13 07:14:37.555 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.556 INFO [stderr]    --> src/main.rs:110:9
Dec 13 07:14:37.556 INFO [stderr]     |
Dec 13 07:14:37.556 INFO [stderr] 110 |     let mut req = c.get(&url);
Dec 13 07:14:37.557 INFO [stderr]     |         ----^^^
Dec 13 07:14:37.557 INFO [stderr]     |         |
Dec 13 07:14:37.557 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:37.557 INFO [stderr] 
Dec 13 07:14:37.558 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.558 INFO [stderr]    --> src/main.rs:111:9
Dec 13 07:14:37.558 INFO [stderr]     |
Dec 13 07:14:37.558 INFO [stderr] 111 |     let mut ret = match req.send() {
Dec 13 07:14:37.559 INFO [stderr]     |         ----^^^
Dec 13 07:14:37.559 INFO [stderr]     |         |
Dec 13 07:14:37.559 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:37.559 INFO [stderr] 
Dec 13 07:14:37.560 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.560 INFO [stderr]    --> src/main.rs:142:9
Dec 13 07:14:37.560 INFO [stderr]     |
Dec 13 07:14:37.561 INFO [stderr] 142 |     let mut c = Client::new();
Dec 13 07:14:37.561 INFO [stderr]     |         ----^
Dec 13 07:14:37.561 INFO [stderr]     |         |
Dec 13 07:14:37.561 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:37.562 INFO [stderr] 
Dec 13 07:14:37.562 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.562 INFO [stderr]    --> src/main.rs:143:9
Dec 13 07:14:37.562 INFO [stderr]     |
Dec 13 07:14:37.563 INFO [stderr] 143 |     let mut req = c.get(&url);
Dec 13 07:14:37.563 INFO [stderr]     |         ----^^^
Dec 13 07:14:37.563 INFO [stderr]     |         |
Dec 13 07:14:37.564 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:37.564 INFO [stderr] 
Dec 13 07:14:37.564 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.564 INFO [stderr]    --> src/main.rs:144:9
Dec 13 07:14:37.564 INFO [stderr]     |
Dec 13 07:14:37.565 INFO [stderr] 144 |     let mut ret = match req.send() {
Dec 13 07:14:37.565 INFO [stderr]     |         ----^^^
Dec 13 07:14:37.565 INFO [stderr]     |         |
Dec 13 07:14:37.566 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:37.566 INFO [stderr] 
Dec 13 07:14:37.566 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:37.566 INFO [stderr]    --> src/main.rs:137:38
Dec 13 07:14:37.566 INFO [stderr]     |
Dec 13 07:14:37.567 INFO [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
Dec 13 07:14:37.567 INFO [stderr]     |                                      ----^^^^^
Dec 13 07:14:37.567 INFO [stderr]     |                                      |
Dec 13 07:14:37.567 INFO [stderr]     |                                      help: remove this `mut`
Dec 13 07:14:37.568 INFO [stderr] 
Dec 13 07:14:42.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.22s
Dec 13 07:14:42.199 INFO [stderr] su: No module specific data is present
Dec 13 07:14:43.604 INFO running `"docker" "inspect" "b29e33b7b18be1cbc858dd12c3174000fe35af5fcb42eacdd4e3346fd014f3e5"`
Dec 13 07:14:43.961 INFO running `"docker" "rm" "-f" "b29e33b7b18be1cbc858dd12c3174000fe35af5fcb42eacdd4e3346fd014f3e5"`
Dec 13 07:14:44.311 INFO [stdout] b29e33b7b18be1cbc858dd12c3174000fe35af5fcb42eacdd4e3346fd014f3e5
Dec 13 07:14:44.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 07:14:44.923 INFO [stdout] a40b9a7a60f0ef38d95f75914fa2c39d38e24da4708099ca8ccdf9aacaf3f3d3
Dec 13 07:14:44.931 INFO running `"docker" "start" "-a" "a40b9a7a60f0ef38d95f75914fa2c39d38e24da4708099ca8ccdf9aacaf3f3d3"`
Dec 13 07:14:46.291 INFO [stderr] usermod: no changes
Dec 13 07:14:46.411 INFO [stderr]    Compiling thread-read-to-string v0.1.0 (/source)
Dec 13 07:14:46.971 INFO [stderr] warning: unused import: `Request`
Dec 13 07:14:46.971 INFO [stderr]  --> src/main.rs:9:21
Dec 13 07:14:46.971 INFO [stderr]   |
Dec 13 07:14:46.971 INFO [stderr] 9 | use hyper::client::{Request, Response};
Dec 13 07:14:46.971 INFO [stderr]   |                     ^^^^^^^
Dec 13 07:14:46.971 INFO [stderr]   |
Dec 13 07:14:46.971 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:14:46.979 INFO [stderr] 
Dec 13 07:14:47.050 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:47.051 INFO [stderr]   --> src/main.rs:27:7
Dec 13 07:14:47.051 INFO [stderr]    |
Dec 13 07:14:47.051 INFO [stderr] 27 |   let t = thread::spawn(move || {
Dec 13 07:14:47.059 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 13 07:14:47.059 INFO [stderr]    |
Dec 13 07:14:47.059 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:47.059 INFO [stderr]   --> src/main.rs:73:7
Dec 13 07:14:47.059 INFO [stderr]    |
Dec 13 07:14:47.059 INFO [stderr] 73 |   let t = thread::spawn(move || {
Dec 13 07:14:47.059 INFO [stderr]    |       ^ help: consider using `_t` instead
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:47.059 INFO [stderr]    --> src/main.rs:108:7
Dec 13 07:14:47.059 INFO [stderr]     |
Dec 13 07:14:47.059 INFO [stderr] 108 |   let t = thread::spawn(move || {
Dec 13 07:14:47.059 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: unused variable: `t`
Dec 13 07:14:47.059 INFO [stderr]    --> src/main.rs:141:7
Dec 13 07:14:47.059 INFO [stderr]     |
Dec 13 07:14:47.059 INFO [stderr] 141 |   let t = thread::spawn(move || {
Dec 13 07:14:47.059 INFO [stderr]     |       ^ help: consider using `_t` instead
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: unused variable: `status_code`
Dec 13 07:14:47.059 INFO [stderr]    --> src/main.rs:185:8
Dec 13 07:14:47.059 INFO [stderr]     |
Dec 13 07:14:47.059 INFO [stderr] 185 |   let (status_code, buf) = get_url_with_timeout_3("http://example.com/").unwrap();
Dec 13 07:14:47.059 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: unused variable: `status_code`
Dec 13 07:14:47.059 INFO [stderr]    --> src/main.rs:188:8
Dec 13 07:14:47.059 INFO [stderr]     |
Dec 13 07:14:47.059 INFO [stderr] 188 |   let (status_code, buf) = get_url_with_timeout_4("http://example.com/").unwrap();
Dec 13 07:14:47.059 INFO [stderr]     |        ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: unused variable: `status_code`
Dec 13 07:14:47.059 INFO [stderr]    --> src/main.rs:193:7
Dec 13 07:14:47.059 INFO [stderr]     |
Dec 13 07:14:47.059 INFO [stderr] 193 |   let status_code = get_url_with_timeout_5("http://example.com/", &shbuf).unwrap();
Dec 13 07:14:47.059 INFO [stderr]     |       ^^^^^^^^^^^ help: consider using `_status_code` instead
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.059 INFO [stderr]   --> src/main.rs:19:7
Dec 13 07:14:47.059 INFO [stderr]    |
Dec 13 07:14:47.059 INFO [stderr] 19 |   let mut c = Client::new();
Dec 13 07:14:47.059 INFO [stderr]    |       ----^
Dec 13 07:14:47.059 INFO [stderr]    |       |
Dec 13 07:14:47.059 INFO [stderr]    |       help: remove this `mut`
Dec 13 07:14:47.059 INFO [stderr]    |
Dec 13 07:14:47.059 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.059 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.059 INFO [stderr]   --> src/main.rs:20:7
Dec 13 07:14:47.059 INFO [stderr]    |
Dec 13 07:14:47.059 INFO [stderr] 20 |   let mut req = c.get(url);
Dec 13 07:14:47.059 INFO [stderr]    |       ----^^^
Dec 13 07:14:47.059 INFO [stderr]    |       |
Dec 13 07:14:47.059 INFO [stderr]    |       help: remove this `mut`
Dec 13 07:14:47.059 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]   --> src/main.rs:74:9
Dec 13 07:14:47.071 INFO [stderr]    |
Dec 13 07:14:47.071 INFO [stderr] 74 |     let mut c = Client::new();
Dec 13 07:14:47.071 INFO [stderr]    |         ----^
Dec 13 07:14:47.071 INFO [stderr]    |         |
Dec 13 07:14:47.071 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]   --> src/main.rs:75:9
Dec 13 07:14:47.071 INFO [stderr]    |
Dec 13 07:14:47.071 INFO [stderr] 75 |     let mut req = c.get(&url);
Dec 13 07:14:47.071 INFO [stderr]    |         ----^^^
Dec 13 07:14:47.071 INFO [stderr]    |         |
Dec 13 07:14:47.071 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]   --> src/main.rs:76:9
Dec 13 07:14:47.071 INFO [stderr]    |
Dec 13 07:14:47.071 INFO [stderr] 76 |     let mut ret = match req.send() {
Dec 13 07:14:47.071 INFO [stderr]    |         ----^^^
Dec 13 07:14:47.071 INFO [stderr]    |         |
Dec 13 07:14:47.071 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]    --> src/main.rs:109:9
Dec 13 07:14:47.071 INFO [stderr]     |
Dec 13 07:14:47.071 INFO [stderr] 109 |     let mut c = Client::new();
Dec 13 07:14:47.071 INFO [stderr]     |         ----^
Dec 13 07:14:47.071 INFO [stderr]     |         |
Dec 13 07:14:47.071 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]    --> src/main.rs:110:9
Dec 13 07:14:47.071 INFO [stderr]     |
Dec 13 07:14:47.071 INFO [stderr] 110 |     let mut req = c.get(&url);
Dec 13 07:14:47.071 INFO [stderr]     |         ----^^^
Dec 13 07:14:47.071 INFO [stderr]     |         |
Dec 13 07:14:47.071 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]    --> src/main.rs:111:9
Dec 13 07:14:47.071 INFO [stderr]     |
Dec 13 07:14:47.071 INFO [stderr] 111 |     let mut ret = match req.send() {
Dec 13 07:14:47.071 INFO [stderr]     |         ----^^^
Dec 13 07:14:47.071 INFO [stderr]     |         |
Dec 13 07:14:47.071 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]    --> src/main.rs:142:9
Dec 13 07:14:47.071 INFO [stderr]     |
Dec 13 07:14:47.071 INFO [stderr] 142 |     let mut c = Client::new();
Dec 13 07:14:47.071 INFO [stderr]     |         ----^
Dec 13 07:14:47.071 INFO [stderr]     |         |
Dec 13 07:14:47.071 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]    --> src/main.rs:143:9
Dec 13 07:14:47.071 INFO [stderr]     |
Dec 13 07:14:47.071 INFO [stderr] 143 |     let mut req = c.get(&url);
Dec 13 07:14:47.071 INFO [stderr]     |         ----^^^
Dec 13 07:14:47.071 INFO [stderr]     |         |
Dec 13 07:14:47.071 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]    --> src/main.rs:144:9
Dec 13 07:14:47.071 INFO [stderr]     |
Dec 13 07:14:47.071 INFO [stderr] 144 |     let mut ret = match req.send() {
Dec 13 07:14:47.071 INFO [stderr]     |         ----^^^
Dec 13 07:14:47.071 INFO [stderr]     |         |
Dec 13 07:14:47.071 INFO [stderr]     |         help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.071 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:14:47.071 INFO [stderr]    --> src/main.rs:137:38
Dec 13 07:14:47.071 INFO [stderr]     |
Dec 13 07:14:47.071 INFO [stderr] 137 | fn get_url_with_timeout_5(url: &str, mut shbuf: &Arc<Mutex<String>>) -> Result<u16, MyAppError> {
Dec 13 07:14:47.071 INFO [stderr]     |                                      ----^^^^^
Dec 13 07:14:47.071 INFO [stderr]     |                                      |
Dec 13 07:14:47.071 INFO [stderr]     |                                      help: remove this `mut`
Dec 13 07:14:47.071 INFO [stderr] 
Dec 13 07:14:47.437 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 13 07:14:47.463 INFO [stderr] su: No module specific data is present
Dec 13 07:14:48.567 INFO running `"docker" "inspect" "a40b9a7a60f0ef38d95f75914fa2c39d38e24da4708099ca8ccdf9aacaf3f3d3"`
Dec 13 07:14:48.878 INFO running `"docker" "rm" "-f" "a40b9a7a60f0ef38d95f75914fa2c39d38e24da4708099ca8ccdf9aacaf3f3d3"`
Dec 13 07:14:49.139 INFO [stdout] a40b9a7a60f0ef38d95f75914fa2c39d38e24da4708099ca8ccdf9aacaf3f3d3
Dec 13 07:14:49.141 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 07:14:49.690 INFO [stdout] 5a1f4dc6a32d782076aa7297be712e6a70268caf09db91bc2ae68144d37fcc3d
Dec 13 07:14:49.692 INFO running `"docker" "start" "-a" "5a1f4dc6a32d782076aa7297be712e6a70268caf09db91bc2ae68144d37fcc3d"`
Dec 13 07:14:51.902 INFO [stderr] usermod: no changes
Dec 13 07:14:52.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 13 07:14:52.027 INFO [stderr]      Running /target/debug/deps/thread_read_to_string-f22e4e15f06472d6
Dec 13 07:14:52.032 INFO [stdout] 
Dec 13 07:14:52.032 INFO [stdout] running 0 tests
Dec 13 07:14:52.032 INFO [stdout] 
Dec 13 07:14:52.032 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:14:52.032 INFO [stdout] 
Dec 13 07:14:52.037 INFO [stderr] su: No module specific data is present
Dec 13 07:14:52.994 INFO running `"docker" "inspect" "5a1f4dc6a32d782076aa7297be712e6a70268caf09db91bc2ae68144d37fcc3d"`
Dec 13 07:14:53.261 INFO running `"docker" "rm" "-f" "5a1f4dc6a32d782076aa7297be712e6a70268caf09db91bc2ae68144d37fcc3d"`
Dec 13 07:14:53.623 INFO [stdout] 5a1f4dc6a32d782076aa7297be712e6a70268caf09db91bc2ae68144d37fcc3d