Dec 18 03:58:44.622 INFO checking annaholmes/webserver2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:58:44.622 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/annaholmes/webserver2:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:58:45.084 INFO [stdout] 25ad92b32256b68b1b4b578b87bbe9d3ec5cde08fb3e88ed3797220a6a37258c
Dec 18 03:58:45.096 INFO running `"docker" "start" "-a" "25ad92b32256b68b1b4b578b87bbe9d3ec5cde08fb3e88ed3797220a6a37258c"`
Dec 18 03:58:46.336 INFO [stderr]     Checking webserver2 v0.1.0 (/opt/crater/workdir)
Dec 18 03:58:46.664 INFO [stderr] warning: unused variable: `total_reqs`
Dec 18 03:58:46.664 INFO [stderr]   --> src/main.rs:33:17
Dec 18 03:58:46.664 INFO [stderr]    |
Dec 18 03:58:46.664 INFO [stderr] 33 |             let total_reqs = total_reqs.lock().unwrap();
Dec 18 03:58:46.664 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_total_reqs` instead
Dec 18 03:58:46.665 INFO [stderr]    |
Dec 18 03:58:46.665 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 03:58:46.665 INFO [stderr] 
Dec 18 03:58:46.665 INFO [stderr] warning: unused variable: `valid_reqs`
Dec 18 03:58:46.665 INFO [stderr]   --> src/main.rs:37:17
Dec 18 03:58:46.665 INFO [stderr]    |
Dec 18 03:58:46.665 INFO [stderr] 37 |             let valid_reqs = valid_reqs.lock().unwrap();
Dec 18 03:58:46.665 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_valid_reqs` instead
Dec 18 03:58:46.665 INFO [stderr] 
Dec 18 03:58:46.665 INFO [stderr] warning: unused variable: `valid_reqs`
Dec 18 03:58:46.665 INFO [stderr]   --> src/main.rs:43:70
Dec 18 03:58:46.665 INFO [stderr]    |
Dec 18 03:58:46.665 INFO [stderr] 43 | fn handle_client(mut stream: TcpStream, total_reqs: Arc<Mutex<u64>>, valid_reqs: Arc<Mutex<u64>>) {
Dec 18 03:58:46.665 INFO [stderr]    |                                                                      ^^^^^^^^^^ help: consider using `_valid_reqs` instead
Dec 18 03:58:46.665 INFO [stderr] 
Dec 18 03:58:46.680 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:58:46.680 INFO [stderr]    --> src/main.rs:101:16
Dec 18 03:58:46.680 INFO [stderr]     |
Dec 18 03:58:46.680 INFO [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
Dec 18 03:58:46.680 INFO [stderr]     |                ----^^^^^^^^^^
Dec 18 03:58:46.680 INFO [stderr]     |                |
Dec 18 03:58:46.680 INFO [stderr]     |                help: remove this `mut`
Dec 18 03:58:46.680 INFO [stderr]     |
Dec 18 03:58:46.680 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:58:46.680 INFO [stderr] 
Dec 18 03:58:46.680 INFO [stderr] warning: variable `multFiles` should have a snake case name such as `mult_files`
Dec 18 03:58:46.680 INFO [stderr]   --> src/main.rs:72:17
Dec 18 03:58:46.680 INFO [stderr]    |
Dec 18 03:58:46.680 INFO [stderr] 72 |             let mut multFiles = words[1].split("/").collect::<Vec<&str>>();
Dec 18 03:58:46.680 INFO [stderr]    |                 ^^^^^^^^^^^^^
Dec 18 03:58:46.680 INFO [stderr]    |
Dec 18 03:58:46.680 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 03:58:46.680 INFO [stderr] 
Dec 18 03:58:46.680 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.680 INFO [stderr]   --> src/main.rs:79:17
Dec 18 03:58:46.680 INFO [stderr]    |
Dec 18 03:58:46.680 INFO [stderr] 79 |             let thisStream = Arc::new(Mutex::new(stream));
Dec 18 03:58:46.681 INFO [stderr]    |                 ^^^^^^^^^^
Dec 18 03:58:46.681 INFO [stderr] 
Dec 18 03:58:46.681 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.681 INFO [stderr]   --> src/main.rs:82:21
Dec 18 03:58:46.681 INFO [stderr]    |
Dec 18 03:58:46.681 INFO [stderr] 82 |                 let thisStream = thisStream.clone();
Dec 18 03:58:46.681 INFO [stderr]    |                     ^^^^^^^^^^
Dec 18 03:58:46.681 INFO [stderr] 
Dec 18 03:58:46.681 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.681 INFO [stderr]    --> src/main.rs:101:16
Dec 18 03:58:46.681 INFO [stderr]     |
Dec 18 03:58:46.681 INFO [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
Dec 18 03:58:46.681 INFO [stderr]     |                ^^^^^^^^^^^^^^
Dec 18 03:58:46.681 INFO [stderr] 
Dec 18 03:58:46.681 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.681 INFO [stderr]    --> src/main.rs:106:13
Dec 18 03:58:46.681 INFO [stderr]     |
Dec 18 03:58:46.681 INFO [stderr] 106 |         let mut thisStream = thisStream.lock().unwrap();
Dec 18 03:58:46.681 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 18 03:58:46.681 INFO [stderr] 
Dec 18 03:58:46.681 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.681 INFO [stderr]    --> src/main.rs:127:21
Dec 18 03:58:46.681 INFO [stderr]     |
Dec 18 03:58:46.681 INFO [stderr] 127 |                 let mut thisStream = thisStream.lock().unwrap();
Dec 18 03:58:46.681 INFO [stderr]     |                     ^^^^^^^^^^^^^^
Dec 18 03:58:46.681 INFO [stderr] 
Dec 18 03:58:46.681 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.681 INFO [stderr]    --> src/main.rs:138:21
Dec 18 03:58:46.681 INFO [stderr]     |
Dec 18 03:58:46.681 INFO [stderr] 138 |                 let mut thisStream = thisStream.lock().unwrap();
Dec 18 03:58:46.681 INFO [stderr]     |                     ^^^^^^^^^^^^^^
Dec 18 03:58:46.681 INFO [stderr] 
Dec 18 03:58:46.727 INFO [stderr] warning: unused variable: `total_reqs`
Dec 18 03:58:46.727 INFO [stderr]   --> src/main.rs:33:17
Dec 18 03:58:46.727 INFO [stderr]    |
Dec 18 03:58:46.727 INFO [stderr] 33 |             let total_reqs = total_reqs.lock().unwrap();
Dec 18 03:58:46.727 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_total_reqs` instead
Dec 18 03:58:46.727 INFO [stderr]    |
Dec 18 03:58:46.727 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 03:58:46.727 INFO [stderr] 
Dec 18 03:58:46.733 INFO [stderr] warning: unused variable: `valid_reqs`
Dec 18 03:58:46.733 INFO [stderr]   --> src/main.rs:37:17
Dec 18 03:58:46.733 INFO [stderr]    |
Dec 18 03:58:46.733 INFO [stderr] 37 |             let valid_reqs = valid_reqs.lock().unwrap();
Dec 18 03:58:46.733 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_valid_reqs` instead
Dec 18 03:58:46.733 INFO [stderr] 
Dec 18 03:58:46.733 INFO [stderr] warning: unused variable: `valid_reqs`
Dec 18 03:58:46.733 INFO [stderr]   --> src/main.rs:43:70
Dec 18 03:58:46.733 INFO [stderr]    |
Dec 18 03:58:46.733 INFO [stderr] 43 | fn handle_client(mut stream: TcpStream, total_reqs: Arc<Mutex<u64>>, valid_reqs: Arc<Mutex<u64>>) {
Dec 18 03:58:46.733 INFO [stderr]    |                                                                      ^^^^^^^^^^ help: consider using `_valid_reqs` instead
Dec 18 03:58:46.733 INFO [stderr] 
Dec 18 03:58:46.741 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:58:46.741 INFO [stderr]    --> src/main.rs:101:16
Dec 18 03:58:46.741 INFO [stderr]     |
Dec 18 03:58:46.741 INFO [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
Dec 18 03:58:46.741 INFO [stderr]     |                ----^^^^^^^^^^
Dec 18 03:58:46.741 INFO [stderr]     |                |
Dec 18 03:58:46.741 INFO [stderr]     |                help: remove this `mut`
Dec 18 03:58:46.741 INFO [stderr]     |
Dec 18 03:58:46.744 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:58:46.744 INFO [stderr] 
Dec 18 03:58:46.744 INFO [stderr] warning: variable `multFiles` should have a snake case name such as `mult_files`
Dec 18 03:58:46.744 INFO [stderr]   --> src/main.rs:72:17
Dec 18 03:58:46.744 INFO [stderr]    |
Dec 18 03:58:46.744 INFO [stderr] 72 |             let mut multFiles = words[1].split("/").collect::<Vec<&str>>();
Dec 18 03:58:46.744 INFO [stderr]    |                 ^^^^^^^^^^^^^
Dec 18 03:58:46.745 INFO [stderr]    |
Dec 18 03:58:46.745 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 03:58:46.745 INFO [stderr] 
Dec 18 03:58:46.745 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.745 INFO [stderr]   --> src/main.rs:79:17
Dec 18 03:58:46.745 INFO [stderr]    |
Dec 18 03:58:46.745 INFO [stderr] 79 |             let thisStream = Arc::new(Mutex::new(stream));
Dec 18 03:58:46.745 INFO [stderr]    |                 ^^^^^^^^^^
Dec 18 03:58:46.745 INFO [stderr] 
Dec 18 03:58:46.745 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.745 INFO [stderr]   --> src/main.rs:82:21
Dec 18 03:58:46.745 INFO [stderr]    |
Dec 18 03:58:46.745 INFO [stderr] 82 |                 let thisStream = thisStream.clone();
Dec 18 03:58:46.745 INFO [stderr]    |                     ^^^^^^^^^^
Dec 18 03:58:46.745 INFO [stderr] 
Dec 18 03:58:46.745 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.745 INFO [stderr]    --> src/main.rs:101:16
Dec 18 03:58:46.745 INFO [stderr]     |
Dec 18 03:58:46.745 INFO [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
Dec 18 03:58:46.745 INFO [stderr]     |                ^^^^^^^^^^^^^^
Dec 18 03:58:46.745 INFO [stderr] 
Dec 18 03:58:46.745 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.745 INFO [stderr]    --> src/main.rs:106:13
Dec 18 03:58:46.745 INFO [stderr]     |
Dec 18 03:58:46.745 INFO [stderr] 106 |         let mut thisStream = thisStream.lock().unwrap();
Dec 18 03:58:46.745 INFO [stderr]     |             ^^^^^^^^^^^^^^
Dec 18 03:58:46.745 INFO [stderr] 
Dec 18 03:58:46.745 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.745 INFO [stderr]    --> src/main.rs:127:21
Dec 18 03:58:46.745 INFO [stderr]     |
Dec 18 03:58:46.745 INFO [stderr] 127 |                 let mut thisStream = thisStream.lock().unwrap();
Dec 18 03:58:46.745 INFO [stderr]     |                     ^^^^^^^^^^^^^^
Dec 18 03:58:46.745 INFO [stderr] 
Dec 18 03:58:46.745 INFO [stderr] warning: variable `thisStream` should have a snake case name such as `this_stream`
Dec 18 03:58:46.745 INFO [stderr]    --> src/main.rs:138:21
Dec 18 03:58:46.745 INFO [stderr]     |
Dec 18 03:58:46.745 INFO [stderr] 138 |                 let mut thisStream = thisStream.lock().unwrap();
Dec 18 03:58:46.745 INFO [stderr]     |                     ^^^^^^^^^^^^^^
Dec 18 03:58:46.745 INFO [stderr] 
Dec 18 03:58:46.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 18 03:58:47.364 INFO running `"docker" "inspect" "25ad92b32256b68b1b4b578b87bbe9d3ec5cde08fb3e88ed3797220a6a37258c"`
Dec 18 03:58:47.600 INFO running `"docker" "rm" "-f" "25ad92b32256b68b1b4b578b87bbe9d3ec5cde08fb3e88ed3797220a6a37258c"`
Dec 18 03:58:47.844 INFO [stdout] 25ad92b32256b68b1b4b578b87bbe9d3ec5cde08fb3e88ed3797220a6a37258c