[INFO] cloning repository https://github.com/mrlucciola/reverse-proxy-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrlucciola/reverse-proxy-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrlucciola%2Freverse-proxy-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrlucciola%2Freverse-proxy-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9baca9a516fe3ccc5d5d32accad2e2c58cf1cc2
[INFO] checking mrlucciola/reverse-proxy-server against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrlucciola%2Freverse-proxy-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] started tweaking git repo https://github.com/mrlucciola/reverse-proxy-server
[INFO] finished tweaking git repo https://github.com/mrlucciola/reverse-proxy-server
[INFO] tweaked toml for git repo https://github.com/mrlucciola/reverse-proxy-server written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mrlucciola/reverse-proxy-server on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mrlucciola/reverse-proxy-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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.24
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded object v0.29.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3580d9bec2a4e7bef9c63f0b89a68f8caef04945b1322ac57bd361ff246242f3
[INFO] running `Command { std: "docker" "start" "-a" "3580d9bec2a4e7bef9c63f0b89a68f8caef04945b1322ac57bd361ff246242f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3580d9bec2a4e7bef9c63f0b89a68f8caef04945b1322ac57bd361ff246242f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3580d9bec2a4e7bef9c63f0b89a68f8caef04945b1322ac57bd361ff246242f3", kill_on_drop: false }`
[INFO] [stdout] 3580d9bec2a4e7bef9c63f0b89a68f8caef04945b1322ac57bd361ff246242f3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b15a35255272bc7e65332de5fa30bde420373bff017c4e1a37822317e27ddd8
[INFO] running `Command { std: "docker" "start" "-a" "5b15a35255272bc7e65332de5fa30bde420373bff017c4e1a37822317e27ddd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking serde v1.0.145
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.12
[INFO] [stderr]     Checking tcp_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/http_utils/response.rs:139:24
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn write_error_res(err: &failure::Error, stream: &mut TcpStream, err_status: u16) {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/http_utils/response.rs:139:46
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn write_error_res(err: &failure::Error, stream: &mut TcpStream, err_status: u16) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]    --> src/http_utils/response.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let builder = Response::builder()
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_str`
[INFO] [stdout]    --> src/http_utils/response.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let status_str = String::from("");
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_str`
[INFO] [stdout]    --> src/http_utils/response.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let status_str = format!(
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/cache_utils/cache.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self.guard.get(key).map(|s| s.clone())
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `std::sync::Mutex<http::Response<Vec<u8>>>` does not implement `Clone`, so calling `clone` on `&std::sync::Mutex<http::Response<Vec<u8>>>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 36 -         self.guard.get(key).map(|s| s.clone())
[INFO] [stdout] 36 +         self.guard.get(key).map(|s| s)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache_utils/cache.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn lock_write(&self) -> CacheWriteLock {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn lock_write(&self) -> CacheWriteLock<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache_utils/cache.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn lock_read(&self) -> CacheReadLock {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn lock_read(&self) -> CacheReadLock<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/http_utils/response.rs:139:24
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn write_error_res(err: &failure::Error, stream: &mut TcpStream, err_status: u16) {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_error_response_to_client` is never used
[INFO] [stdout]   --> src/bin/proxy.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn write_error_response_to_client(e: failure::Error) -> Result<()> {
[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 variable: `stream`
[INFO] [stdout]    --> src/http_utils/response.rs:139:46
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn write_error_res(err: &failure::Error, stream: &mut TcpStream, err_status: u16) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `builder`
[INFO] [stdout]    --> src/http_utils/response.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let builder = Response::builder()
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_str`
[INFO] [stdout]    --> src/http_utils/response.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let status_str = String::from("");
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_str`
[INFO] [stdout]    --> src/http_utils/response.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let status_str = format!(
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `errors`
[INFO] [stdout]   --> src/bin/origin.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     errors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_error_response_to_client` is never used
[INFO] [stdout]   --> src/bin/proxy.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn write_error_response_to_client(e: failure::Error) -> Result<()> {
[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 import: `errors`
[INFO] [stdout]   --> src/bin/origin.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     errors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/cache_utils/cache.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self.guard.get(key).map(|s| s.clone())
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `std::sync::Mutex<http::Response<Vec<u8>>>` does not implement `Clone`, so calling `clone` on `&std::sync::Mutex<http::Response<Vec<u8>>>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 36 -         self.guard.get(key).map(|s| s.clone())
[INFO] [stdout] 36 +         self.guard.get(key).map(|s| s)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache_utils/cache.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn lock_write(&self) -> CacheWriteLock {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn lock_write(&self) -> CacheWriteLock<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cache_utils/cache.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn lock_read(&self) -> CacheReadLock {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn lock_read(&self) -> CacheReadLock<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5b15a35255272bc7e65332de5fa30bde420373bff017c4e1a37822317e27ddd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b15a35255272bc7e65332de5fa30bde420373bff017c4e1a37822317e27ddd8", kill_on_drop: false }`
[INFO] [stdout] 5b15a35255272bc7e65332de5fa30bde420373bff017c4e1a37822317e27ddd8
