[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 try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltchang2019%2FRust-HTTP-Proxy" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltchang2019/Rust-HTTP-Proxy on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ltchang2019/Rust-HTTP-Proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded humantime v2.0.1
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e22fccdc5eb275c8d3c776625fb0da3d5d17a785994b7294a15125201b78fcea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e22fccdc5eb275c8d3c776625fb0da3d5d17a785994b7294a15125201b78fcea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e22fccdc5eb275c8d3c776625fb0da3d5d17a785994b7294a15125201b78fcea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22fccdc5eb275c8d3c776625fb0da3d5d17a785994b7294a15125201b78fcea", kill_on_drop: false }`
[INFO] [stdout] e22fccdc5eb275c8d3c776625fb0da3d5d17a785994b7294a15125201b78fcea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36630dbc184fe19edfe311ef385f42264951c2015541cd73fdc117efc882ea8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36630dbc184fe19edfe311ef385f42264951c2015541cd73fdc117efc882ea8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking dns-lookup v1.0.5
[INFO] [stderr]     Checking env_logger v0.8.2
[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)]` 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)]` 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)]` 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 is never read: `file_locks`
[INFO] [stdout]   --> src/cache.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     file_locks: Vec<Arc<Mutex<()>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[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)]` 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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_locks`
[INFO] [stdout]   --> src/cache.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     file_locks: Vec<Arc<Mutex<()>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "36630dbc184fe19edfe311ef385f42264951c2015541cd73fdc117efc882ea8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36630dbc184fe19edfe311ef385f42264951c2015541cd73fdc117efc882ea8a", kill_on_drop: false }`
[INFO] [stdout] 36630dbc184fe19edfe311ef385f42264951c2015541cd73fdc117efc882ea8a