[INFO] cloning repository https://github.com/calculi/rust-http-test-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calculi/rust-http-test-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalculi%2Frust-http-test-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalculi%2Frust-http-test-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 192cb3c73ea1d7e02d3c2e8847f6a2c8d5b90bfb
[INFO] checking calculi/rust-http-test-server against master#39323a5877ee6b85e75c652c2518a97a1433a2dc for pr-102593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalculi%2Frust-http-test-server" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calculi/rust-http-test-server on toolchain 39323a5877ee6b85e75c652c2518a97a1433a2dc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calculi/rust-http-test-server
[INFO] finished tweaking git repo https://github.com/calculi/rust-http-test-server
[INFO] tweaked toml for git repo https://github.com/calculi/rust-http-test-server written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/calculi/rust-http-test-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da3ff2adf2df704f9c2443391addf9d829fe61572c46159028bd8a010264f8b3
[INFO] running `Command { std: "docker" "start" "-a" "da3ff2adf2df704f9c2443391addf9d829fe61572c46159028bd8a010264f8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da3ff2adf2df704f9c2443391addf9d829fe61572c46159028bd8a010264f8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3ff2adf2df704f9c2443391addf9d829fe61572c46159028bd8a010264f8b3", kill_on_drop: false }`
[INFO] [stdout] da3ff2adf2df704f9c2443391addf9d829fe61572c46159028bd8a010264f8b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa1f1213f705e15a7e9382e2cb44f2840d7c114a4aca84bbe995c2fd20862bb2
[INFO] running `Command { std: "docker" "start" "-a" "aa1f1213f705e15a7e9382e2cb44f2840d7c114a4aca84bbe995c2fd20862bb2", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-http-test-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Result as FmtResult`
[INFO] [stdout]  --> src/http/response.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Result as FmtResult`
[INFO] [stdout]  --> src/http/response.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/http/request.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let (protocol, request) = get_next_word(request).ok_or(ParseError::InvalidRequest)?;
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[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:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let (protocol, request) = get_next_word(request).ok_or(ParseError::InvalidRequest)?;
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     path: &'buf str,
[INFO] [stdout] 13 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` 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: associated function `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     data: HashMap<&'buf str, Value<'buf>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 12 |     path: &'buf str,
[INFO] [stdout] 13 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` 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: associated function `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     data: HashMap<&'buf str, Value<'buf>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "aa1f1213f705e15a7e9382e2cb44f2840d7c114a4aca84bbe995c2fd20862bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1f1213f705e15a7e9382e2cb44f2840d7c114a4aca84bbe995c2fd20862bb2", kill_on_drop: false }`
[INFO] [stdout] aa1f1213f705e15a7e9382e2cb44f2840d7c114a4aca84bbe995c2fd20862bb2