[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] testing meindertduin/WebServer-From-Scratch against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeindertduin%2FWebServer-From-Scratch" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meindertduin/WebServer-From-Scratch on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-22/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5b7533640cf231c5a42c5121efb4e6521a292476efe0a528b74f5518ea00bd5
[INFO] running `Command { std: "docker" "start" "-a" "e5b7533640cf231c5a42c5121efb4e6521a292476efe0a528b74f5518ea00bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5b7533640cf231c5a42c5121efb4e6521a292476efe0a528b74f5518ea00bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b7533640cf231c5a42c5121efb4e6521a292476efe0a528b74f5518ea00bd5", kill_on_drop: false }`
[INFO] [stdout] e5b7533640cf231c5a42c5121efb4e6521a292476efe0a528b74f5518ea00bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16e5809554c9655c6f1204a4254fad11bb07d0d1e271124712a7da93e2b29cd4
[INFO] running `Command { std: "docker" "start" "-a" "16e5809554c9655c6f1204a4254fad11bb07d0d1e271124712a7da93e2b29cd4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling 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: 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "16e5809554c9655c6f1204a4254fad11bb07d0d1e271124712a7da93e2b29cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e5809554c9655c6f1204a4254fad11bb07d0d1e271124712a7da93e2b29cd4", kill_on_drop: false }`
[INFO] [stdout] 16e5809554c9655c6f1204a4254fad11bb07d0d1e271124712a7da93e2b29cd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3d2bdc07ba04ca3a7a7b88a85d9b2625495beb35b1e1bfdec2b447eb79e910a
[INFO] running `Command { std: "docker" "start" "-a" "a3d2bdc07ba04ca3a7a7b88a85d9b2625495beb35b1e1bfdec2b447eb79e910a", kill_on_drop: false }`
[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] [stderr]    Compiling backend-from-scratch v0.1.0 (/opt/rustwide/workdir)
[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: 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "a3d2bdc07ba04ca3a7a7b88a85d9b2625495beb35b1e1bfdec2b447eb79e910a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d2bdc07ba04ca3a7a7b88a85d9b2625495beb35b1e1bfdec2b447eb79e910a", kill_on_drop: false }`
[INFO] [stdout] a3d2bdc07ba04ca3a7a7b88a85d9b2625495beb35b1e1bfdec2b447eb79e910a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05a840e6e95c4f00c1aff670211609cab812a9e1db7445802064475464b0859b
[INFO] running `Command { std: "docker" "start" "-a" "05a840e6e95c4f00c1aff670211609cab812a9e1db7445802064475464b0859b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `request_reader`
[INFO] [stderr]   --> src/request/mod.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut request_reader = ReqReader::new(req);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/request/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut request_reader = ReqReader::new(req);
[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: field is never read: `read`
[INFO] [stderr]  --> src/request/request_reader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     read: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buf_reader`
[INFO] [stderr]  --> src/request/request_reader.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     buf_reader: BufReader<&'a [u8]>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_next`
[INFO] [stderr]   --> src/request/request_reader.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn read_next(&mut self, res: &mut Vec<u8>) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `method`
[INFO] [stderr]   --> src/request/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     method: Method,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `uri`
[INFO] [stderr]   --> src/request/mod.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     uri: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `protocol`
[INFO] [stderr]   --> src/request/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     protocol: Protocol,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `headers`
[INFO] [stderr]   --> src/request/mod.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     headers: HashMap<String, String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `backend-from-scratch` (lib) generated 9 warnings
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     parse_http_request(&buffer);
[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: `backend-from-scratch` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: `backend-from-scratch` (bin "backend-from-scratch" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backend_from_scratch-c13f9d617e9cf835)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backend_from_scratch-8c4515f7111c13a0)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backend-from-scratch
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05a840e6e95c4f00c1aff670211609cab812a9e1db7445802064475464b0859b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a840e6e95c4f00c1aff670211609cab812a9e1db7445802064475464b0859b", kill_on_drop: false }`
[INFO] [stdout] 05a840e6e95c4f00c1aff670211609cab812a9e1db7445802064475464b0859b