[INFO] fetching crate open_proxies 0.1.1... [INFO] testing open_proxies-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate open_proxies 0.1.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate open_proxies 0.1.1 [INFO] finished tweaking crates.io crate open_proxies 0.1.1 [INFO] tweaked toml for crates.io crate open_proxies 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate open_proxies 0.1.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate open_proxies 0.1.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33b69dd72b402cfda031ae9792ff83456b1d4ea348850d2531bfbbadfa3812fc [INFO] running `Command { std: "docker" "start" "-a" "33b69dd72b402cfda031ae9792ff83456b1d4ea348850d2531bfbbadfa3812fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33b69dd72b402cfda031ae9792ff83456b1d4ea348850d2531bfbbadfa3812fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33b69dd72b402cfda031ae9792ff83456b1d4ea348850d2531bfbbadfa3812fc", kill_on_drop: false }` [INFO] [stdout] 33b69dd72b402cfda031ae9792ff83456b1d4ea348850d2531bfbbadfa3812fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7cb5a8072523f5ba533baa0a6d999acecddd7779a2b9f6b2ca04b254c61e840 [INFO] running `Command { std: "docker" "start" "-a" "e7cb5a8072523f5ba533baa0a6d999acecddd7779a2b9f6b2ca04b254c61e840", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.9 [INFO] [stderr] Compiling futures-io v0.3.25 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling cc v1.0.74 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling fastrand v1.8.0 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling cache-padded v1.2.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling concurrent-queue v1.2.4 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling polling v2.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.11 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling async-io v1.10.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Compiling futures-sink v0.3.25 [INFO] [stderr] Compiling async-task v4.3.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling async-channel v1.7.1 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling os_str_bytes v6.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling clap_lex v0.3.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling aho-corasick v0.7.19 [INFO] [stderr] Compiling socket2 v0.4.7 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling clap v4.0.18 [INFO] [stderr] Compiling socks v0.3.4 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling async-lock v2.6.0 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling blocking v1.2.0 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling futures-macro v0.3.25 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling mio v0.8.4 [INFO] [stderr] Compiling webpki v0.21.4 [INFO] [stderr] Compiling sct v0.6.1 [INFO] [stderr] Compiling async-global-executor v2.3.1 [INFO] [stderr] Compiling rustls v0.19.1 [INFO] [stderr] Compiling webpki-roots v0.21.1 [INFO] [stderr] Compiling async-std v1.12.0 [INFO] [stderr] Compiling async-tls v0.11.0 [INFO] [stderr] Compiling futures-executor v0.3.25 [INFO] [stderr] Compiling futures v0.3.25 [INFO] [stderr] Compiling open_proxies v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:85:57 [INFO] [stdout] | [INFO] [stdout] 85 | stream_socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[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] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:126:50 [INFO] [stdout] | [INFO] [stdout] 126 | socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:332:54 [INFO] [stdout] | [INFO] [stdout] 332 | ... socket.try_write(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:370:61 [INFO] [stdout] | [INFO] [stdout] 370 | ... stream_socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.70s [INFO] running `Command { std: "docker" "inspect" "e7cb5a8072523f5ba533baa0a6d999acecddd7779a2b9f6b2ca04b254c61e840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7cb5a8072523f5ba533baa0a6d999acecddd7779a2b9f6b2ca04b254c61e840", kill_on_drop: false }` [INFO] [stdout] e7cb5a8072523f5ba533baa0a6d999acecddd7779a2b9f6b2ca04b254c61e840 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f49d928951713e067964cd73c110e1f1aec049166693f6c9cc06e3e6ce41e57e [INFO] running `Command { std: "docker" "start" "-a" "f49d928951713e067964cd73c110e1f1aec049166693f6c9cc06e3e6ce41e57e", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:85:57 [INFO] [stdout] | [INFO] [stdout] 85 | stream_socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[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] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:126:50 [INFO] [stdout] | [INFO] [stdout] 126 | socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:332:54 [INFO] [stdout] | [INFO] [stdout] 332 | ... socket.try_write(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling open_proxies v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:370:61 [INFO] [stdout] | [INFO] [stdout] 370 | ... stream_socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:85:57 [INFO] [stdout] | [INFO] [stdout] 85 | stream_socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[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] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:126:50 [INFO] [stdout] | [INFO] [stdout] 126 | socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:332:54 [INFO] [stdout] | [INFO] [stdout] 332 | ... socket.try_write(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:370:61 [INFO] [stdout] | [INFO] [stdout] 370 | ... stream_socket.write_all(&request.clone()) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.94s [INFO] running `Command { std: "docker" "inspect" "f49d928951713e067964cd73c110e1f1aec049166693f6c9cc06e3e6ce41e57e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f49d928951713e067964cd73c110e1f1aec049166693f6c9cc06e3e6ce41e57e", kill_on_drop: false }` [INFO] [stdout] f49d928951713e067964cd73c110e1f1aec049166693f6c9cc06e3e6ce41e57e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 27989e7a3804caa768242915e262d7843089296dd5f35370f521c5278c520fc1 [INFO] running `Command { std: "docker" "start" "-a" "27989e7a3804caa768242915e262d7843089296dd5f35370f521c5278c520fc1", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/lib.rs:85:57 [INFO] [stderr] | [INFO] [stderr] 85 | stream_socket.write_all(&request.clone()) [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/lib.rs:126:50 [INFO] [stderr] | [INFO] [stderr] 126 | socket.write_all(&request.clone()) [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stderr] [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/lib.rs:332:54 [INFO] [stderr] | [INFO] [stderr] 332 | ... socket.try_write(&request.clone()) [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stderr] [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/lib.rs:370:61 [INFO] [stderr] | [INFO] [stderr] 370 | ... stream_socket.write_all(&request.clone()) [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stderr] [INFO] [stderr] warning: `open_proxies` (lib) generated 4 warnings (run `cargo fix --lib -p open_proxies` to apply 4 suggestions) [INFO] [stderr] warning: `open_proxies` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/open_proxies-eda27c4eaf28a634) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_check_port ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/open_proxies-2fcc1c78d3fd094f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests open_proxies [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "27989e7a3804caa768242915e262d7843089296dd5f35370f521c5278c520fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27989e7a3804caa768242915e262d7843089296dd5f35370f521c5278c520fc1", kill_on_drop: false }` [INFO] [stdout] 27989e7a3804caa768242915e262d7843089296dd5f35370f521c5278c520fc1