[INFO] cloning repository https://github.com/ltchang2019/Rust-HTTP-Proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ltchang2019/Rust-HTTP-Proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltchang2019%2FRust-HTTP-Proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltchang2019%2FRust-HTTP-Proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dc0884ccf7fcdb308b71a343f0f88d3a09b03ab
[INFO] checking ltchang2019/Rust-HTTP-Proxy against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltchang2019%2FRust-HTTP-Proxy" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ltchang2019/Rust-HTTP-Proxy
[INFO] finished tweaking git repo https://github.com/ltchang2019/Rust-HTTP-Proxy
[INFO] tweaked toml for git repo https://github.com/ltchang2019/Rust-HTTP-Proxy written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ltchang2019/Rust-HTTP-Proxy on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ltchang2019/Rust-HTTP-Proxy 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dns-lookup v1.0.5
[INFO] [stderr]   Downloaded socket2 v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d50597b9d943649172a5f1e1f28914824f30273d3b8e6d1916c3ef80b43cd2f
[INFO] running `Command { std: "docker" "start" "-a" "4d50597b9d943649172a5f1e1f28914824f30273d3b8e6d1916c3ef80b43cd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d50597b9d943649172a5f1e1f28914824f30273d3b8e6d1916c3ef80b43cd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d50597b9d943649172a5f1e1f28914824f30273d3b8e6d1916c3ef80b43cd2f", kill_on_drop: false }`
[INFO] [stdout] 4d50597b9d943649172a5f1e1f28914824f30273d3b8e6d1916c3ef80b43cd2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55f90657260c6b1fce91c36d7ec100cd4ed639d61e1d030aeeb623a76f567364
[INFO] running `Command { std: "docker" "start" "-a" "55f90657260c6b1fce91c36d7ec100cd4ed639d61e1d030aeeb623a76f567364", kill_on_drop: false }`
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.18
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking dns-lookup v1.0.5
[INFO] [stderr]     Checking http-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `copy`
[INFO] [stdout]  --> src/cache.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, copy, read, create_dir_all}, path::{Path}, sync::{Mutex, Arc}};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `httparse`
[INFO] [stdout]  --> src/cache.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handler`
[INFO] [stdout]  --> src/cache.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{utils, handler};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `copy`
[INFO] [stdout]  --> src/cache.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, copy, read, create_dir_all}, path::{Path}, sync::{Mutex, Arc}};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `httparse`
[INFO] [stdout]  --> src/cache.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use httparse;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handler`
[INFO] [stdout]  --> src/cache.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{utils, handler};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/handler.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 Err(e) => {}
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/handler.rs:71:47
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn handle_post(mut req: Request<Vec<u8>>, data: ProxyData, client_conn: &mut TcpStream) {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/handler.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn handle_head(mut req: Request<Vec<u8>>, data: ProxyData, client_conn: &mut TcpStream) {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/handler.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 Err(e) => {}
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/handler.rs:71:47
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn handle_post(mut req: Request<Vec<u8>>, data: ProxyData, client_conn: &mut TcpStream) {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/handler.rs:83:47
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn handle_head(mut req: Request<Vec<u8>>, data: ProxyData, client_conn: &mut TcpStream) {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_locks` is never read
[INFO] [stdout]   --> src/cache.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct HTTPCache {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 10 |     dir_path: String,
[INFO] [stdout] 11 |     file_locks: Vec<Arc<Mutex<()>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/proxy.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 Ok((client_conn, _)) => { &self.handler.service_req(client_conn); },
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 Ok((client_conn, _)) => { let _ = &self.handler.service_req(client_conn); },
[INFO] [stdout]    |                                           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_locks` is never read
[INFO] [stdout]   --> src/cache.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct HTTPCache {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 10 |     dir_path: String,
[INFO] [stdout] 11 |     file_locks: Vec<Arc<Mutex<()>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/proxy.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 Ok((client_conn, _)) => { &self.handler.service_req(client_conn); },
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 Ok((client_conn, _)) => { let _ = &self.handler.service_req(client_conn); },
[INFO] [stdout]    |                                           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "55f90657260c6b1fce91c36d7ec100cd4ed639d61e1d030aeeb623a76f567364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f90657260c6b1fce91c36d7ec100cd4ed639d61e1d030aeeb623a76f567364", kill_on_drop: false }`
[INFO] [stdout] 55f90657260c6b1fce91c36d7ec100cd4ed639d61e1d030aeeb623a76f567364
