[INFO] updating cached repository PritiKumr/rust-httpd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PritiKumr/rust-httpd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PritiKumr/rust-httpd" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/PritiKumr/rust-httpd"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/PritiKumr/rust-httpd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PritiKumr/rust-httpd" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/PritiKumr/rust-httpd"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/PritiKumr/rust-httpd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c1708493a0b3a296fe2c6081eb4f70f0e86c1eb
[INFO] sha for GitHub repo PritiKumr/rust-httpd: 5c1708493a0b3a296fe2c6081eb4f70f0e86c1eb
[INFO] validating manifest of PritiKumr/rust-httpd on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PritiKumr/rust-httpd on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PritiKumr/rust-httpd
[INFO] finished frobbing PritiKumr/rust-httpd
[INFO] frobbed toml for PritiKumr/rust-httpd written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/PritiKumr/rust-httpd/Cargo.toml
[INFO] started frobbing PritiKumr/rust-httpd
[INFO] finished frobbing PritiKumr/rust-httpd
[INFO] frobbed toml for PritiKumr/rust-httpd written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/PritiKumr/rust-httpd/Cargo.toml
[INFO] crate PritiKumr/rust-httpd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking PritiKumr/rust-httpd against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f725dff5bb18d74c9a0e1d1475c93f136bc9c947aba38ae1b4d7c87a52b2e24b
[INFO] running `"docker" "start" "-a" "f725dff5bb18d74c9a0e1d1475c93f136bc9c947aba38ae1b4d7c87a52b2e24b"`
[INFO] [stderr]     Checking rust-httpd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 |     for (i, &item) in request.headers.iter().enumerate() {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body_length`
[INFO] [stderr]    --> src/main.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let body_length: u32 = match req.headers.iter().find(|&&header| header.name == "Content-Length") {
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_body_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 |     for (i, &item) in request.headers.iter().enumerate() {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body_length`
[INFO] [stderr]    --> src/main.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let body_length: u32 = match req.headers.iter().find(|&&header| header.name == "Content-Length") {
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_body_length`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:156:19
[INFO] [stderr]     |
[INFO] [stderr] 156 | fn handle_request(mut stream: TcpStream, client_addr: SocketAddr) {
[INFO] [stderr]     |                   ----^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `request_url`
[INFO] [stderr]    --> src/main.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn request_url(buffer: &[u8]) -> Option<&str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |     req.parse(&request_bytes);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:156:19
[INFO] [stderr]     |
[INFO] [stderr] 156 | fn handle_request(mut stream: TcpStream, client_addr: SocketAddr) {
[INFO] [stderr]     |                   ----^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `request_url`
[INFO] [stderr]    --> src/main.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn request_url(buffer: &[u8]) -> Option<&str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |     req.parse(&request_bytes);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "f725dff5bb18d74c9a0e1d1475c93f136bc9c947aba38ae1b4d7c87a52b2e24b"`
[INFO] running `"docker" "rm" "-f" "f725dff5bb18d74c9a0e1d1475c93f136bc9c947aba38ae1b4d7c87a52b2e24b"`
[INFO] [stdout] f725dff5bb18d74c9a0e1d1475c93f136bc9c947aba38ae1b4d7c87a52b2e24b