[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] building ltchang2019/Rust-HTTP-Proxy against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltchang2019%2FRust-HTTP-Proxy" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltchang2019/Rust-HTTP-Proxy on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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-3/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" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded socket2 v0.3.18
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded dns-lookup v1.0.5
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a84d97cd1feb7bfa8bc0332c47e1c2405c29c6b7145b81e0e25db2907003e61
[INFO] running `Command { std: "docker" "start" "-a" "6a84d97cd1feb7bfa8bc0332c47e1c2405c29c6b7145b81e0e25db2907003e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a84d97cd1feb7bfa8bc0332c47e1c2405c29c6b7145b81e0e25db2907003e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a84d97cd1feb7bfa8bc0332c47e1c2405c29c6b7145b81e0e25db2907003e61", kill_on_drop: false }`
[INFO] [stdout] 6a84d97cd1feb7bfa8bc0332c47e1c2405c29c6b7145b81e0e25db2907003e61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f7d9014a6af9a6e36b29b1add34202c7cc095063a95b4ac18ef1d455be84cc
[INFO] running `Command { std: "docker" "start" "-a" "39f7d9014a6af9a6e36b29b1add34202c7cc095063a95b4ac18ef1d455be84cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling http v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling dns-lookup v1.0.5
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling 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 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]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` 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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "39f7d9014a6af9a6e36b29b1add34202c7cc095063a95b4ac18ef1d455be84cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f7d9014a6af9a6e36b29b1add34202c7cc095063a95b4ac18ef1d455be84cc", kill_on_drop: false }`
[INFO] [stdout] 39f7d9014a6af9a6e36b29b1add34202c7cc095063a95b4ac18ef1d455be84cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945ef6fe14c9fc5f72ab1205a79bd29842f140b2cc7063644a945bc46cab39b7
[INFO] running `Command { std: "docker" "start" "-a" "945ef6fe14c9fc5f72ab1205a79bd29842f140b2cc7063644a945bc46cab39b7", kill_on_drop: false }`
[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] [stderr]    Compiling http-proxy v0.1.0 (/opt/rustwide/workdir)
[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)]` 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: 8 warnings emitted
[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]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` 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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/http_proxy-886689c3d5d12477)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/http_proxy-dfbe6a09de63a115)
[INFO] running `Command { std: "docker" "inspect" "945ef6fe14c9fc5f72ab1205a79bd29842f140b2cc7063644a945bc46cab39b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945ef6fe14c9fc5f72ab1205a79bd29842f140b2cc7063644a945bc46cab39b7", kill_on_drop: false }`
[INFO] [stdout] 945ef6fe14c9fc5f72ab1205a79bd29842f140b2cc7063644a945bc46cab39b7