[INFO] cloning repository https://github.com/facundomonteagudo/simple-rust-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/facundomonteagudo/simple-rust-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacundomonteagudo%2Fsimple-rust-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacundomonteagudo%2Fsimple-rust-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24317a83c036e04994ded221298366385250f352
[INFO] checking facundomonteagudo/simple-rust-http-server against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffacundomonteagudo%2Fsimple-rust-http-server" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/facundomonteagudo/simple-rust-http-server on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/facundomonteagudo/simple-rust-http-server
[INFO] finished tweaking git repo https://github.com/facundomonteagudo/simple-rust-http-server
[INFO] tweaked toml for git repo https://github.com/facundomonteagudo/simple-rust-http-server written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/facundomonteagudo/simple-rust-http-server 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f08730311035cd5c895b1680c4fa0d07cf1420499a6b2e1141b19bb8937d9502
[INFO] running `Command { std: "docker" "start" "-a" "f08730311035cd5c895b1680c4fa0d07cf1420499a6b2e1141b19bb8937d9502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f08730311035cd5c895b1680c4fa0d07cf1420499a6b2e1141b19bb8937d9502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08730311035cd5c895b1680c4fa0d07cf1420499a6b2e1141b19bb8937d9502", kill_on_drop: false }`
[INFO] [stdout] f08730311035cd5c895b1680c4fa0d07cf1420499a6b2e1141b19bb8937d9502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c179f8f536f1252bf91a3e2cf74b43cce3404d99c41257be0b8e265236392598
[INFO] running `Command { std: "docker" "start" "-a" "c179f8f536f1252bf91a3e2cf74b43cce3404d99c41257be0b8e265236392598", kill_on_drop: false }`
[INFO] [stderr]     Checking http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `http::Method`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use http::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request::ParseError`
[INFO] [stdout]  --> src/http/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use request::ParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Method`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use http::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request::ParseError`
[INFO] [stdout]  --> src/http/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use request::ParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/http/request.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from_byte_array(buf: &[u8]) -> Result<Self, String> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/http/request.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from_byte_array(buf: &[u8]) -> Result<Self, String> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/http/request.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let request = str::from_utf8(buf)?;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/http/request.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let request = str::from_utf8(buf)?;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/http/method.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub enum Method {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 2  |     GET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 3  |     POST,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 4  |     PUT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 5  |     DELETE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 6  |     HEAD,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 7  |     CONNECT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 8  |     OPTIONS,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 9  |     TRACE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     PATCH,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `query_string`, and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 9  |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     query_string: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_byte_array` is never used
[INFO] [stdout]   --> src/http/request.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Request {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 16 |     fn from_byte_array(buf: &[u8]) -> Result<Self, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/http/method.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub enum Method {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 2  |     GET,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 3  |     POST,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 4  |     PUT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 5  |     DELETE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 6  |     HEAD,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 7  |     CONNECT,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 8  |     OPTIONS,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 9  |     TRACE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     PATCH,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidRequest`, `InvalidProtocol`, and `InvalidMethod` are never constructed
[INFO] [stdout]   --> src/http/request.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 38 |     InvalidRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     InvalidEncoding,
[INFO] [stdout] 40 |     InvalidProtocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     InvalidMethod,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `query_string`, and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 9  |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     query_string: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_byte_array` is never used
[INFO] [stdout]   --> src/http/request.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Request {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 16 |     fn from_byte_array(buf: &[u8]) -> Result<Self, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidRequest`, `InvalidProtocol`, and `InvalidMethod` are never constructed
[INFO] [stdout]   --> src/http/request.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 38 |     InvalidRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     InvalidEncoding,
[INFO] [stdout] 40 |     InvalidProtocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 41 |     InvalidMethod,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   Request::try_from(&buffer[..]);
[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] 29 |                             let _ = Request::try_from(&buffer[..]);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   Request::try_from(&buffer[..]);
[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] 29 |                             let _ = Request::try_from(&buffer[..]);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "c179f8f536f1252bf91a3e2cf74b43cce3404d99c41257be0b8e265236392598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c179f8f536f1252bf91a3e2cf74b43cce3404d99c41257be0b8e265236392598", kill_on_drop: false }`
[INFO] [stdout] c179f8f536f1252bf91a3e2cf74b43cce3404d99c41257be0b8e265236392598
