[INFO] cloning repository https://github.com/bjmoore/rs-httpd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bjmoore/rs-httpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjmoore%2Frs-httpd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjmoore%2Frs-httpd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14293258b40b5d168105d4361268659af4359f88
[INFO] checking bjmoore/rs-httpd/14293258b40b5d168105d4361268659af4359f88 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjmoore%2Frs-httpd" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bjmoore/rs-httpd on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bjmoore/rs-httpd
[INFO] finished tweaking git repo https://github.com/bjmoore/rs-httpd
[INFO] tweaked toml for git repo https://github.com/bjmoore/rs-httpd written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bjmoore/rs-httpd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf2ab9af11c062fb0a4a1562fed41fd0ef3e042ef4a2da0be1f23c3f1795c794
[INFO] running `Command { std: "docker" "start" "-a" "bf2ab9af11c062fb0a4a1562fed41fd0ef3e042ef4a2da0be1f23c3f1795c794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf2ab9af11c062fb0a4a1562fed41fd0ef3e042ef4a2da0be1f23c3f1795c794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2ab9af11c062fb0a4a1562fed41fd0ef3e042ef4a2da0be1f23c3f1795c794", kill_on_drop: false }`
[INFO] [stdout] bf2ab9af11c062fb0a4a1562fed41fd0ef3e042ef4a2da0be1f23c3f1795c794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86957b318e92c8986c0317691feb53ef8450578a91f7516bcb7ae143862ac5a6
[INFO] running `Command { std: "docker" "start" "-a" "86957b318e92c8986c0317691feb53ef8450578a91f7516bcb7ae143862ac5a6", kill_on_drop: false }`
[INFO] [stderr]     Checking rs-httpd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     loop {
[INFO] [stdout] 30 | |         for stream in listener.incoming() {
[INFO] [stdout] 31 | |             // these should be spun off into a thread ig
[INFO] [stdout] 32 | |             handle_client(stream?)?;
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 35 |
[INFO] [stdout] 36 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     loop {
[INFO] [stdout] 30 | |         for stream in listener.incoming() {
[INFO] [stdout] 31 | |             // these should be spun off into a thread ig
[INFO] [stdout] 32 | |             handle_client(stream?)?;
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 35 |
[INFO] [stdout] 36 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `POST` and `HEAD` are never constructed
[INFO] [stdout]  --> src/request.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum HttpMethod {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 5 |     GET,
[INFO] [stdout] 6 |     POST,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     HEAD,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HttpMethod` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method` and `target` are never read
[INFO] [stdout]   --> src/request.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct HttpRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 12 |     pub method: HttpMethod,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub target: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `POST` and `HEAD` are never constructed
[INFO] [stdout]  --> src/request.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum HttpMethod {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 5 |     GET,
[INFO] [stdout] 6 |     POST,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     HEAD,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HttpMethod` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method` and `target` are never read
[INFO] [stdout]   --> src/request.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct HttpRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 12 |     pub method: HttpMethod,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub target: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     conn.send_response(response);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = conn.send_response(response);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     conn.send_response(response);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let _ = conn.send_response(response);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "86957b318e92c8986c0317691feb53ef8450578a91f7516bcb7ae143862ac5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86957b318e92c8986c0317691feb53ef8450578a91f7516bcb7ae143862ac5a6", kill_on_drop: false }`
[INFO] [stdout] 86957b318e92c8986c0317691feb53ef8450578a91f7516bcb7ae143862ac5a6