[INFO] cloning repository https://github.com/meindertduin/WebServer-From-Scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meindertduin/WebServer-From-Scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeindertduin%2FWebServer-From-Scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeindertduin%2FWebServer-From-Scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f95c657ea583e71760e66b4a227943812c7219da
[INFO] checking meindertduin/WebServer-From-Scratch against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeindertduin%2FWebServer-From-Scratch" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meindertduin/WebServer-From-Scratch on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meindertduin/WebServer-From-Scratch
[INFO] finished tweaking git repo https://github.com/meindertduin/WebServer-From-Scratch
[INFO] tweaked toml for git repo https://github.com/meindertduin/WebServer-From-Scratch written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/meindertduin/WebServer-From-Scratch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c597aaeb35639120b321bd4d4f28907e3f384e80d973cf7cbc41df425df84fb8
[INFO] running `Command { std: "docker" "start" "-a" "c597aaeb35639120b321bd4d4f28907e3f384e80d973cf7cbc41df425df84fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c597aaeb35639120b321bd4d4f28907e3f384e80d973cf7cbc41df425df84fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c597aaeb35639120b321bd4d4f28907e3f384e80d973cf7cbc41df425df84fb8", kill_on_drop: false }`
[INFO] [stdout] c597aaeb35639120b321bd4d4f28907e3f384e80d973cf7cbc41df425df84fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a7bf8ebb964d3886122bd1425b48dbe9da9b4a8f1a104b965b11113ad1daa6
[INFO] running `Command { std: "docker" "start" "-a" "d1a7bf8ebb964d3886122bd1425b48dbe9da9b4a8f1a104b965b11113ad1daa6", kill_on_drop: false }`
[INFO] [stderr]     Checking backend-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `request_reader`
[INFO] [stdout]   --> src/request/mod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut request_reader = ReqReader::new(req);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_reader`
[INFO] [stdout]   --> src/request/mod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut request_reader = ReqReader::new(req);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/request/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut request_reader = ReqReader::new(req);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `read`
[INFO] [stdout]  --> src/request/request_reader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     read: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf_reader`
[INFO] [stdout]  --> src/request/request_reader.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     buf_reader: BufReader<&'a [u8]>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_next`
[INFO] [stdout]   --> src/request/request_reader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn read_next(&mut self, res: &mut Vec<u8>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]   --> src/request/mod.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     method: Method,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `uri`
[INFO] [stdout]   --> src/request/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     uri: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `protocol`
[INFO] [stdout]   --> src/request/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     protocol: Protocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `headers`
[INFO] [stdout]   --> src/request/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     headers: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/request/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut request_reader = ReqReader::new(req);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `read`
[INFO] [stdout]  --> src/request/request_reader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     read: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf_reader`
[INFO] [stdout]  --> src/request/request_reader.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     buf_reader: BufReader<&'a [u8]>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_next`
[INFO] [stdout]   --> src/request/request_reader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn read_next(&mut self, res: &mut Vec<u8>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]   --> src/request/mod.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     method: Method,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `uri`
[INFO] [stdout]   --> src/request/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     uri: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `protocol`
[INFO] [stdout]   --> src/request/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     protocol: Protocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `headers`
[INFO] [stdout]   --> src/request/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     headers: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     parse_http_request(&buffer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     parse_http_request(&buffer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "d1a7bf8ebb964d3886122bd1425b48dbe9da9b4a8f1a104b965b11113ad1daa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a7bf8ebb964d3886122bd1425b48dbe9da9b4a8f1a104b965b11113ad1daa6", kill_on_drop: false }`
[INFO] [stdout] d1a7bf8ebb964d3886122bd1425b48dbe9da9b4a8f1a104b965b11113ad1daa6