Dec 18 05:50:07.685 INFO checking PritiKumr/rust-httpd against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:50:07.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/PritiKumr/rust-httpd:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:50:07.911 INFO [stdout] df87218847a3ab9a367b61dcd18adad9cd7389f30800e36d57e2609f507610dc
Dec 18 05:50:07.915 INFO running `"docker" "start" "-a" "df87218847a3ab9a367b61dcd18adad9cd7389f30800e36d57e2609f507610dc"`
Dec 18 05:50:08.639 INFO [stderr]     Checking rust-httpd v0.1.0 (/opt/crater/workdir)
Dec 18 05:50:08.878 INFO [stderr] warning: unused variable: `i`
Dec 18 05:50:08.878 INFO [stderr]   --> src/main.rs:68:10
Dec 18 05:50:08.878 INFO [stderr]    |
Dec 18 05:50:08.878 INFO [stderr] 68 |     for (i, &item) in request.headers.iter().enumerate() {
Dec 18 05:50:08.878 INFO [stderr]    |          ^ help: consider using `_i` instead
Dec 18 05:50:08.878 INFO [stderr]    |
Dec 18 05:50:08.878 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:50:08.878 INFO [stderr] 
Dec 18 05:50:08.880 INFO [stderr] warning: unused variable: `body_length`
Dec 18 05:50:08.880 INFO [stderr]    --> src/main.rs:162:9
Dec 18 05:50:08.880 INFO [stderr]     |
Dec 18 05:50:08.880 INFO [stderr] 162 |     let body_length: u32 = match req.headers.iter().find(|&&header| header.name == "Content-Length") {
Dec 18 05:50:08.880 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_body_length` instead
Dec 18 05:50:08.880 INFO [stderr] 
Dec 18 05:50:08.902 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:50:08.902 INFO [stderr]    --> src/main.rs:156:19
Dec 18 05:50:08.902 INFO [stderr]     |
Dec 18 05:50:08.902 INFO [stderr] 156 | fn handle_request(mut stream: TcpStream, client_addr: SocketAddr) {
Dec 18 05:50:08.902 INFO [stderr]     |                   ----^^^^^^
Dec 18 05:50:08.902 INFO [stderr]     |                   |
Dec 18 05:50:08.902 INFO [stderr]     |                   help: remove this `mut`
Dec 18 05:50:08.902 INFO [stderr]     |
Dec 18 05:50:08.902 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:50:08.902 INFO [stderr] 
Dec 18 05:50:08.902 INFO [stderr] warning: function is never used: `request_url`
Dec 18 05:50:08.902 INFO [stderr]    --> src/main.rs:122:1
Dec 18 05:50:08.902 INFO [stderr]     |
Dec 18 05:50:08.902 INFO [stderr] 122 | fn request_url(buffer: &[u8]) -> Option<&str> {
Dec 18 05:50:08.902 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:50:08.902 INFO [stderr]     |
Dec 18 05:50:08.902 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 05:50:08.902 INFO [stderr] 
Dec 18 05:50:08.904 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:50:08.904 INFO [stderr]    --> src/main.rs:160:5
Dec 18 05:50:08.904 INFO [stderr]     |
Dec 18 05:50:08.904 INFO [stderr] 160 |     req.parse(&request_bytes);
Dec 18 05:50:08.904 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:50:08.905 INFO [stderr]     |
Dec 18 05:50:08.905 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:50:08.905 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:50:08.905 INFO [stderr] 
Dec 18 05:50:08.920 INFO [stderr] warning: unused variable: `i`
Dec 18 05:50:08.920 INFO [stderr]   --> src/main.rs:68:10
Dec 18 05:50:08.920 INFO [stderr]    |
Dec 18 05:50:08.920 INFO [stderr] 68 |     for (i, &item) in request.headers.iter().enumerate() {
Dec 18 05:50:08.920 INFO [stderr]    |          ^ help: consider using `_i` instead
Dec 18 05:50:08.920 INFO [stderr]    |
Dec 18 05:50:08.920 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:50:08.921 INFO [stderr] 
Dec 18 05:50:08.921 INFO [stderr] warning: unused variable: `body_length`
Dec 18 05:50:08.921 INFO [stderr]    --> src/main.rs:162:9
Dec 18 05:50:08.921 INFO [stderr]     |
Dec 18 05:50:08.921 INFO [stderr] 162 |     let body_length: u32 = match req.headers.iter().find(|&&header| header.name == "Content-Length") {
Dec 18 05:50:08.921 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_body_length` instead
Dec 18 05:50:08.921 INFO [stderr] 
Dec 18 05:50:08.944 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:50:08.944 INFO [stderr]    --> src/main.rs:156:19
Dec 18 05:50:08.944 INFO [stderr]     |
Dec 18 05:50:08.944 INFO [stderr] 156 | fn handle_request(mut stream: TcpStream, client_addr: SocketAddr) {
Dec 18 05:50:08.944 INFO [stderr]     |                   ----^^^^^^
Dec 18 05:50:08.944 INFO [stderr]     |                   |
Dec 18 05:50:08.944 INFO [stderr]     |                   help: remove this `mut`
Dec 18 05:50:08.944 INFO [stderr]     |
Dec 18 05:50:08.944 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 05:50:08.944 INFO [stderr] 
Dec 18 05:50:08.944 INFO [stderr] warning: function is never used: `request_url`
Dec 18 05:50:08.944 INFO [stderr]    --> src/main.rs:122:1
Dec 18 05:50:08.944 INFO [stderr]     |
Dec 18 05:50:08.944 INFO [stderr] 122 | fn request_url(buffer: &[u8]) -> Option<&str> {
Dec 18 05:50:08.944 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:50:08.944 INFO [stderr]     |
Dec 18 05:50:08.944 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 05:50:08.944 INFO [stderr] 
Dec 18 05:50:08.945 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:50:08.945 INFO [stderr]    --> src/main.rs:160:5
Dec 18 05:50:08.945 INFO [stderr]     |
Dec 18 05:50:08.945 INFO [stderr] 160 |     req.parse(&request_bytes);
Dec 18 05:50:08.945 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:50:08.945 INFO [stderr]     |
Dec 18 05:50:08.945 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 05:50:08.945 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:50:08.945 INFO [stderr] 
Dec 18 05:50:08.967 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Dec 18 05:50:09.398 INFO running `"docker" "inspect" "df87218847a3ab9a367b61dcd18adad9cd7389f30800e36d57e2609f507610dc"`
Dec 18 05:50:09.646 INFO running `"docker" "rm" "-f" "df87218847a3ab9a367b61dcd18adad9cd7389f30800e36d57e2609f507610dc"`
Dec 18 05:50:09.816 INFO [stdout] df87218847a3ab9a367b61dcd18adad9cd7389f30800e36d57e2609f507610dc