[INFO] fetching crate libpulse-binding 2.27.1...
[INFO] checking libpulse-binding-2.27.1 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate libpulse-binding 2.27.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate libpulse-binding 2.27.1 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libpulse-binding 2.27.1
[INFO] finished tweaking crates.io crate libpulse-binding 2.27.1
[INFO] tweaked toml for crates.io crate libpulse-binding 2.27.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ab78fae002fabd6c78b93659ee5c8e1d984a763d4d63fdc28380dba7b7dc64f
[INFO] running `Command { std: "docker" "start" "-a" "9ab78fae002fabd6c78b93659ee5c8e1d984a763d4d63fdc28380dba7b7dc64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab78fae002fabd6c78b93659ee5c8e1d984a763d4d63fdc28380dba7b7dc64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab78fae002fabd6c78b93659ee5c8e1d984a763d4d63fdc28380dba7b7dc64f", kill_on_drop: false }`
[INFO] [stdout] 9ab78fae002fabd6c78b93659ee5c8e1d984a763d4d63fdc28380dba7b7dc64f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a119f4a86c9e8c2ae86699d3e3d3b808234c7ffcf60990fe3faf86e555dc649
[INFO] running `Command { std: "docker" "start" "-a" "3a119f4a86c9e8c2ae86699d3e3d3b808234c7ffcf60990fe3faf86e555dc649", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libpulse-sys v1.20.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking libpulse-binding v2.27.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/channelmap.rs:368:35
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/channelmap.rs:384:35
[INFO] [stdout]     |
[INFO] [stdout] 384 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:228:39
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:247:39
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:331:48
[INFO] [stdout]     |
[INFO] [stdout] 331 |             Some(server) => CString::new(server.clone()).unwrap(),
[INFO] [stdout]     |                                                ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:421:39
[INFO] [stdout]     |
[INFO] [stdout] 421 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:449:39
[INFO] [stdout]     |
[INFO] [stdout] 449 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/mod.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |             c_keys.push(CString::new(key.clone()).unwrap());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:623:51
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let c_path = CString::new(cookie_file_path.clone()).unwrap();
[INFO] [stdout]     |                                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/ext_device_manager.rs:178:40
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let c_dev = CString::new(device.clone()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/ext_device_manager.rs:179:46
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let c_desc = CString::new(description.clone()).unwrap();
[INFO] [stdout]     |                                              ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/ext_device_manager.rs:201:44
[INFO] [stdout]     |
[INFO] [stdout] 201 |             c_devs.push(CString::new(device.clone()).unwrap());
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/ext_device_manager.rs:246:39
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let c_role = CString::new(role.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/ext_device_manager.rs:249:44
[INFO] [stdout]     |
[INFO] [stdout] 249 |             c_devs.push(CString::new(device.clone()).unwrap());
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/ext_stream_restore.rs:159:47
[INFO] [stdout]     |
[INFO] [stdout] 159 |             c_streams.push(CString::new(stream.clone()).unwrap());
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:470:39
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:528:39
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:581:44
[INFO] [stdout]     |
[INFO] [stdout] 581 |         let c_name = CString::new(sink_name.clone()).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:616:39
[INFO] [stdout]     |
[INFO] [stdout] 616 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:635:39
[INFO] [stdout]     |
[INFO] [stdout] 635 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:636:39
[INFO] [stdout]     |
[INFO] [stdout] 636 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:874:39
[INFO] [stdout]     |
[INFO] [stdout] 874 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:933:39
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:967:39
[INFO] [stdout]     |
[INFO] [stdout] 967 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:986:39
[INFO] [stdout]     |
[INFO] [stdout] 986 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1021:39
[INFO] [stdout]      |
[INFO] [stdout] 1021 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1040:39
[INFO] [stdout]      |
[INFO] [stdout] 1040 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1041:39
[INFO] [stdout]      |
[INFO] [stdout] 1041 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1245:39
[INFO] [stdout]      |
[INFO] [stdout] 1245 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1246:42
[INFO] [stdout]      |
[INFO] [stdout] 1246 |         let c_arg = CString::new(argument.clone()).unwrap();
[INFO] [stdout]      |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1790:39
[INFO] [stdout]      |
[INFO] [stdout] 1790 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1820:45
[INFO] [stdout]      |
[INFO] [stdout] 1820 |         let c_profile = CString::new(profile.clone()).unwrap();
[INFO] [stdout]      |                                             ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1839:39
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1840:45
[INFO] [stdout]      |
[INFO] [stdout] 1840 |         let c_profile = CString::new(profile.clone()).unwrap();
[INFO] [stdout]      |                                             ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1859:44
[INFO] [stdout]      |
[INFO] [stdout] 1859 |         let c_name = CString::new(card_name.clone()).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1860:44
[INFO] [stdout]      |
[INFO] [stdout] 1860 |         let c_port = CString::new(port_name.clone()).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:2030:44
[INFO] [stdout]      |
[INFO] [stdout] 2030 |         let c_name = CString::new(sink_name.clone()).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:2259:46
[INFO] [stdout]      |
[INFO] [stdout] 2259 |         let c_name = CString::new(source_name.clone()).unwrap();
[INFO] [stdout]      |                                              ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:2443:39
[INFO] [stdout]      |
[INFO] [stdout] 2443 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/context/scache.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:107:39
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:109:42
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:150:39
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:152:42
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:188:35
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:317:37
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:327:37
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:342:37
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:357:37
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:380:37
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:398:37
[INFO] [stdout]     |
[INFO] [stdout] 398 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:489:37
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:498:37
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:507:37
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:516:37
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:517:41
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let c_value = CString::new(value.clone()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:526:37
[INFO] [stdout]     |
[INFO] [stdout] 526 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/format.rs:529:41
[INFO] [stdout]     |
[INFO] [stdout] 529 |             c_values.push(CString::new(v.clone()).unwrap());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/mainloop/threaded.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:230:35
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:258:37
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:269:37
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:270:41
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let c_value = CString::new(value.clone()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:286:39
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let c_pair = CString::new(pair.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:300:37
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:315:37
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:335:37
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:359:37
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/proplist.rs:375:39
[INFO] [stdout]     |
[INFO] [stdout] 375 |             c_keys.push(CString::new(k.clone()).unwrap());
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:439:37
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let c_sep = CString::new(sep.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:460:37
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/sample.rs:443:43
[INFO] [stdout]     |
[INFO] [stdout] 443 |         let c_format = CString::new(format.clone()).unwrap();
[INFO] [stdout]     |                                           ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:724:39
[INFO] [stdout]     |
[INFO] [stdout] 724 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:750:39
[INFO] [stdout]     |
[INFO] [stdout] 750 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:781:39
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:921:42
[INFO] [stdout]     |
[INFO] [stdout] 921 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:952:42
[INFO] [stdout]     |
[INFO] [stdout] 952 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/stream.rs:1541:39
[INFO] [stdout]      |
[INFO] [stdout] 1541 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]     --> src/stream.rs:1755:41
[INFO] [stdout]      |
[INFO] [stdout] 1755 |             c_keys.push(CString::new(key.clone()).unwrap());
[INFO] [stdout]      |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/utf8.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]    |                               ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 75 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpulse-binding` (lib) due to 76 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/channelmap.rs:368:35
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/channelmap.rs:384:35
[INFO] [stdout]     |
[INFO] [stdout] 384 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:228:39
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:247:39
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:331:48
[INFO] [stdout]     |
[INFO] [stdout] 331 |             Some(server) => CString::new(server.clone()).unwrap(),
[INFO] [stdout]     |                                                ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:421:39
[INFO] [stdout]     |
[INFO] [stdout] 421 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:449:39
[INFO] [stdout]     |
[INFO] [stdout] 449 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/mod.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |             c_keys.push(CString::new(key.clone()).unwrap());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/mod.rs:623:51
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let c_path = CString::new(cookie_file_path.clone()).unwrap();
[INFO] [stdout]     |                                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/ext_device_manager.rs:178:40
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let c_dev = CString::new(device.clone()).unwrap();
[INFO] [stdout]     |                                        ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/ext_device_manager.rs:179:46
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let c_desc = CString::new(description.clone()).unwrap();
[INFO] [stdout]     |                                              ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/ext_device_manager.rs:201:44
[INFO] [stdout]     |
[INFO] [stdout] 201 |             c_devs.push(CString::new(device.clone()).unwrap());
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/ext_device_manager.rs:246:39
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let c_role = CString::new(role.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/ext_device_manager.rs:249:44
[INFO] [stdout]     |
[INFO] [stdout] 249 |             c_devs.push(CString::new(device.clone()).unwrap());
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/context/ext_stream_restore.rs:159:47
[INFO] [stdout]     |
[INFO] [stdout] 159 |             c_streams.push(CString::new(stream.clone()).unwrap());
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:470:39
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:528:39
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:581:44
[INFO] [stdout]     |
[INFO] [stdout] 581 |         let c_name = CString::new(sink_name.clone()).unwrap();
[INFO] [stdout]     |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:616:39
[INFO] [stdout]     |
[INFO] [stdout] 616 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:635:39
[INFO] [stdout]     |
[INFO] [stdout] 635 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:636:39
[INFO] [stdout]     |
[INFO] [stdout] 636 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:874:39
[INFO] [stdout]     |
[INFO] [stdout] 874 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:933:39
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:967:39
[INFO] [stdout]     |
[INFO] [stdout] 967 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/introspect.rs:986:39
[INFO] [stdout]     |
[INFO] [stdout] 986 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1021:39
[INFO] [stdout]      |
[INFO] [stdout] 1021 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1040:39
[INFO] [stdout]      |
[INFO] [stdout] 1040 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1041:39
[INFO] [stdout]      |
[INFO] [stdout] 1041 |         let c_port = CString::new(port.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1245:39
[INFO] [stdout]      |
[INFO] [stdout] 1245 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1246:42
[INFO] [stdout]      |
[INFO] [stdout] 1246 |         let c_arg = CString::new(argument.clone()).unwrap();
[INFO] [stdout]      |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1790:39
[INFO] [stdout]      |
[INFO] [stdout] 1790 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1820:45
[INFO] [stdout]      |
[INFO] [stdout] 1820 |         let c_profile = CString::new(profile.clone()).unwrap();
[INFO] [stdout]      |                                             ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1839:39
[INFO] [stdout]      |
[INFO] [stdout] 1839 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1840:45
[INFO] [stdout]      |
[INFO] [stdout] 1840 |         let c_profile = CString::new(profile.clone()).unwrap();
[INFO] [stdout]      |                                             ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1859:44
[INFO] [stdout]      |
[INFO] [stdout] 1859 |         let c_name = CString::new(card_name.clone()).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:1860:44
[INFO] [stdout]      |
[INFO] [stdout] 1860 |         let c_port = CString::new(port_name.clone()).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:2030:44
[INFO] [stdout]      |
[INFO] [stdout] 2030 |         let c_name = CString::new(sink_name.clone()).unwrap();
[INFO] [stdout]      |                                            ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:2259:46
[INFO] [stdout]      |
[INFO] [stdout] 2259 |         let c_name = CString::new(source_name.clone()).unwrap();
[INFO] [stdout]      |                                              ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/context/introspect.rs:2443:39
[INFO] [stdout]      |
[INFO] [stdout] 2443 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/context/scache.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:107:39
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:109:42
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:150:39
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/context/scache.rs:152:42
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:188:35
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:317:37
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:327:37
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:342:37
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:357:37
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:380:37
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:398:37
[INFO] [stdout]     |
[INFO] [stdout] 398 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:489:37
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:498:37
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:507:37
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:516:37
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:517:41
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let c_value = CString::new(value.clone()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/format.rs:526:37
[INFO] [stdout]     |
[INFO] [stdout] 526 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/format.rs:529:41
[INFO] [stdout]     |
[INFO] [stdout] 529 |             c_values.push(CString::new(v.clone()).unwrap());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/mainloop/threaded.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:230:35
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:258:37
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:269:37
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:270:41
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let c_value = CString::new(value.clone()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:286:39
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let c_pair = CString::new(pair.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:300:37
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:315:37
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:335:37
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:359:37
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/proplist.rs:375:39
[INFO] [stdout]     |
[INFO] [stdout] 375 |             c_keys.push(CString::new(k.clone()).unwrap());
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:439:37
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let c_sep = CString::new(sep.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/proplist.rs:460:37
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let c_key = CString::new(key.clone()).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/sample.rs:443:43
[INFO] [stdout]     |
[INFO] [stdout] 443 |         let c_format = CString::new(format.clone()).unwrap();
[INFO] [stdout]     |                                           ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:724:39
[INFO] [stdout]     |
[INFO] [stdout] 724 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:750:39
[INFO] [stdout]     |
[INFO] [stdout] 750 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:781:39
[INFO] [stdout]     |
[INFO] [stdout] 781 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:921:42
[INFO] [stdout]     |
[INFO] [stdout] 921 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/stream.rs:952:42
[INFO] [stdout]     |
[INFO] [stdout] 952 |             Some(dev) => CString::new(dev.clone()).unwrap(),
[INFO] [stdout]     |                                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/stream.rs:1541:39
[INFO] [stdout]      |
[INFO] [stdout] 1541 |         let c_name = CString::new(name.clone()).unwrap();
[INFO] [stdout]      |                                       ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]     --> src/stream.rs:1755:41
[INFO] [stdout]      |
[INFO] [stdout] 1755 |             c_keys.push(CString::new(key.clone()).unwrap());
[INFO] [stdout]      |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/utf8.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let c_str = CString::new(s.clone()).unwrap();
[INFO] [stdout]    |                               ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 75 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpulse-binding` (lib test) due to 76 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3a119f4a86c9e8c2ae86699d3e3d3b808234c7ffcf60990fe3faf86e555dc649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a119f4a86c9e8c2ae86699d3e3d3b808234c7ffcf60990fe3faf86e555dc649", kill_on_drop: false }`
[INFO] [stdout] 3a119f4a86c9e8c2ae86699d3e3d3b808234c7ffcf60990fe3faf86e555dc649