Dec 19 22:15:59.886 INFO checking PritiKumr/rust-httpd against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:15:59.886 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:16:00.070 INFO [stdout] 06be06186740fe42bb857273c02b74aa5b00e7d51bebfa62681dbba1229b049e
Dec 19 22:16:00.072 INFO running `"docker" "start" "-a" "06be06186740fe42bb857273c02b74aa5b00e7d51bebfa62681dbba1229b049e"`
Dec 19 22:16:00.581 INFO [stderr]     Checking rust-httpd v0.1.0 (/opt/crater/workdir)
Dec 19 22:16:00.912 INFO [stderr] warning: unused variable: `i`
Dec 19 22:16:00.912 INFO [stderr]   --> src/main.rs:68:10
Dec 19 22:16:00.912 INFO [stderr]    |
Dec 19 22:16:00.912 INFO [stderr] 68 |     for (i, &item) in request.headers.iter().enumerate() {
Dec 19 22:16:00.912 INFO [stderr]    |          ^ help: consider using `_i` instead
Dec 19 22:16:00.912 INFO [stderr]    |
Dec 19 22:16:00.912 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:16:00.912 INFO [stderr] 
Dec 19 22:16:00.912 INFO [stderr] warning: unused variable: `body_length`
Dec 19 22:16:00.912 INFO [stderr]    --> src/main.rs:162:9
Dec 19 22:16:00.912 INFO [stderr]     |
Dec 19 22:16:00.912 INFO [stderr] 162 |     let body_length: u32 = match req.headers.iter().find(|&&header| header.name == "Content-Length") {
Dec 19 22:16:00.913 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_body_length` instead
Dec 19 22:16:00.913 INFO [stderr] 
Dec 19 22:16:00.944 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:16:00.945 INFO [stderr]    --> src/main.rs:156:19
Dec 19 22:16:00.945 INFO [stderr]     |
Dec 19 22:16:00.945 INFO [stderr] 156 | fn handle_request(mut stream: TcpStream, client_addr: SocketAddr) {
Dec 19 22:16:00.945 INFO [stderr]     |                   ----^^^^^^
Dec 19 22:16:00.945 INFO [stderr]     |                   |
Dec 19 22:16:00.945 INFO [stderr]     |                   help: remove this `mut`
Dec 19 22:16:00.947 INFO [stderr]     |
Dec 19 22:16:00.947 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 22:16:00.947 INFO [stderr] 
Dec 19 22:16:00.952 INFO [stderr] warning: function is never used: `request_url`
Dec 19 22:16:00.952 INFO [stderr]    --> src/main.rs:122:1
Dec 19 22:16:00.953 INFO [stderr]     |
Dec 19 22:16:00.953 INFO [stderr] 122 | fn request_url(buffer: &[u8]) -> Option<&str> {
Dec 19 22:16:00.953 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:16:00.954 INFO [stderr]     |
Dec 19 22:16:00.954 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 22:16:00.954 INFO [stderr] 
Dec 19 22:16:00.954 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:16:00.954 INFO [stderr]    --> src/main.rs:160:5
Dec 19 22:16:00.954 INFO [stderr]     |
Dec 19 22:16:00.954 INFO [stderr] 160 |     req.parse(&request_bytes);
Dec 19 22:16:00.954 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:16:00.956 INFO [stderr]     |
Dec 19 22:16:00.956 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 22:16:00.976 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:16:00.976 INFO [stderr] 
Dec 19 22:16:00.988 INFO [stderr] warning: unused variable: `i`
Dec 19 22:16:00.988 INFO [stderr]   --> src/main.rs:68:10
Dec 19 22:16:00.988 INFO [stderr]    |
Dec 19 22:16:00.988 INFO [stderr] 68 |     for (i, &item) in request.headers.iter().enumerate() {
Dec 19 22:16:00.988 INFO [stderr]    |          ^ help: consider using `_i` instead
Dec 19 22:16:00.988 INFO [stderr]    |
Dec 19 22:16:00.988 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:16:00.988 INFO [stderr] 
Dec 19 22:16:00.988 INFO [stderr] warning: unused variable: `body_length`
Dec 19 22:16:00.988 INFO [stderr]    --> src/main.rs:162:9
Dec 19 22:16:00.988 INFO [stderr]     |
Dec 19 22:16:00.988 INFO [stderr] 162 |     let body_length: u32 = match req.headers.iter().find(|&&header| header.name == "Content-Length") {
Dec 19 22:16:00.988 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_body_length` instead
Dec 19 22:16:00.988 INFO [stderr] 
Dec 19 22:16:01.028 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:16:01.028 INFO [stderr]    --> src/main.rs:156:19
Dec 19 22:16:01.028 INFO [stderr]     |
Dec 19 22:16:01.028 INFO [stderr] 156 | fn handle_request(mut stream: TcpStream, client_addr: SocketAddr) {
Dec 19 22:16:01.032 INFO [stderr]     |                   ----^^^^^^
Dec 19 22:16:01.032 INFO [stderr]     |                   |
Dec 19 22:16:01.032 INFO [stderr]     |                   help: remove this `mut`
Dec 19 22:16:01.032 INFO [stderr]     |
Dec 19 22:16:01.032 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 22:16:01.032 INFO [stderr] 
Dec 19 22:16:01.032 INFO [stderr] warning: function is never used: `request_url`
Dec 19 22:16:01.032 INFO [stderr]    --> src/main.rs:122:1
Dec 19 22:16:01.032 INFO [stderr]     |
Dec 19 22:16:01.032 INFO [stderr] 122 | fn request_url(buffer: &[u8]) -> Option<&str> {
Dec 19 22:16:01.032 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:16:01.032 INFO [stderr]     |
Dec 19 22:16:01.032 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 22:16:01.032 INFO [stderr] 
Dec 19 22:16:01.032 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:16:01.032 INFO [stderr]    --> src/main.rs:160:5
Dec 19 22:16:01.032 INFO [stderr]     |
Dec 19 22:16:01.032 INFO [stderr] 160 |     req.parse(&request_bytes);
Dec 19 22:16:01.032 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:16:01.032 INFO [stderr]     |
Dec 19 22:16:01.032 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 22:16:01.032 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:16:01.032 INFO [stderr] 
Dec 19 22:16:01.037 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 19 22:16:01.363 INFO running `"docker" "inspect" "06be06186740fe42bb857273c02b74aa5b00e7d51bebfa62681dbba1229b049e"`
Dec 19 22:16:01.453 INFO running `"docker" "rm" "-f" "06be06186740fe42bb857273c02b74aa5b00e7d51bebfa62681dbba1229b049e"`
Dec 19 22:16:01.545 INFO [stdout] 06be06186740fe42bb857273c02b74aa5b00e7d51bebfa62681dbba1229b049e