[INFO] cloning repository https://github.com/fxbox/multicast-dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fxbox/multicast-dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxbox%2Fmulticast-dns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxbox%2Fmulticast-dns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d2c7aee214399888ef8db3d9b01b78411d5e082
[INFO] checking fxbox/multicast-dns/9d2c7aee214399888ef8db3d9b01b78411d5e082 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxbox%2Fmulticast-dns" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fxbox/multicast-dns on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fxbox/multicast-dns
[INFO] finished tweaking git repo https://github.com/fxbox/multicast-dns
[INFO] tweaked toml for git repo https://github.com/fxbox/multicast-dns written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fxbox/multicast-dns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d27f3c1399c8f72773d73832f8f432d13f21a09fb4e3dddc76bc820dec44810b
[INFO] running `Command { std: "docker" "start" "-a" "d27f3c1399c8f72773d73832f8f432d13f21a09fb4e3dddc76bc820dec44810b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d27f3c1399c8f72773d73832f8f432d13f21a09fb4e3dddc76bc820dec44810b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27f3c1399c8f72773d73832f8f432d13f21a09fb4e3dddc76bc820dec44810b", kill_on_drop: false }`
[INFO] [stdout] d27f3c1399c8f72773d73832f8f432d13f21a09fb4e3dddc76bc820dec44810b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385fae6a7597c8c60de981fc0e99c4ba5aeb55f33875f64395a788cc29eec57d
[INFO] running `Command { std: "docker" "start" "-a" "385fae6a7597c8c60de981fc0e99c4ba5aeb55f33875f64395a788cc29eec57d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking multicast_dns v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::adapter::Adapter`
[INFO] [stdout]  --> src/adapters/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::adapter::Adapter;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::adapter::Adapter`
[INFO] [stdout]  --> src/adapters/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::adapter::Adapter;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BrowseCallbackParameters {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub flags: AvahiLookupResultFlags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BrowseCallbackParameters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ResolveCallbackParameters {
[INFO] [stdout]    |            ------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub flags: AvahiLookupResultFlags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResolveCallbackParameters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BrowseCallbackParameters {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub flags: AvahiLookupResultFlags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BrowseCallbackParameters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ResolveCallbackParameters {
[INFO] [stdout]    |            ------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub flags: AvahiLookupResultFlags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResolveCallbackParameters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 Box::from_raw((*avahi_client).userdata);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 let _ = Box::from_raw((*avahi_client).userdata);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:233:18
[INFO] [stdout]     |
[INFO] [stdout] 233 |         unsafe { CString::from_raw(service_type) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 233 |         unsafe { let _ = CString::from_raw(service_type); };
[INFO] [stdout]     |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:291:17
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 Box::from_raw((*avahi_service_browser).userdata);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let _ = Box::from_raw((*avahi_service_browser).userdata);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:357:18
[INFO] [stdout]     |
[INFO] [stdout] 357 |         unsafe { CString::from_raw(host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 357 |         unsafe { let _ = CString::from_raw(host_name); };
[INFO] [stdout]     |                  +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:372:18
[INFO] [stdout]     |
[INFO] [stdout] 372 |         unsafe { CString::from_raw(host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 372 |         unsafe { let _ = CString::from_raw(host_name); };
[INFO] [stdout]     |                  +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:387:18
[INFO] [stdout]     |
[INFO] [stdout] 387 |         unsafe { CString::from_raw(original_host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 387 |         unsafe { let _ = CString::from_raw(original_host_name); };
[INFO] [stdout]     |                  +++++++                                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:444:18
[INFO] [stdout]     |
[INFO] [stdout] 444 |         unsafe { CString::from_raw(host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 444 |         unsafe { let _ = CString::from_raw(host_name); };
[INFO] [stdout]     |                  +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 Box::from_raw((*avahi_client).userdata);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 let _ = Box::from_raw((*avahi_client).userdata);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:499:18
[INFO] [stdout]     |
[INFO] [stdout] 499 |         unsafe { CString::from_raw(service_type) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 499 |         unsafe { let _ = CString::from_raw(service_type); };
[INFO] [stdout]     |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:500:18
[INFO] [stdout]     |
[INFO] [stdout] 500 |         unsafe { CString::from_raw(service_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 500 |         unsafe { let _ = CString::from_raw(service_name); };
[INFO] [stdout]     |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T, A>::into_raw` that must be used
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Box::into_raw(sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = Box::into_raw(sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T, A>::into_raw` that must be used
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Box::into_raw(sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = Box::into_raw(sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:233:18
[INFO] [stdout]     |
[INFO] [stdout] 233 |         unsafe { CString::from_raw(service_type) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 233 |         unsafe { let _ = CString::from_raw(service_type); };
[INFO] [stdout]     |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:291:17
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 Box::from_raw((*avahi_service_browser).userdata);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let _ = Box::from_raw((*avahi_service_browser).userdata);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]   --> src/adapters/adapter.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Adapter: DiscoveryAdapter + HostAdapter + Drop {
[INFO] [stdout]    |                                                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:357:18
[INFO] [stdout]     |
[INFO] [stdout] 357 |         unsafe { CString::from_raw(host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 357 |         unsafe { let _ = CString::from_raw(host_name); };
[INFO] [stdout]     |                  +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:372:18
[INFO] [stdout]     |
[INFO] [stdout] 372 |         unsafe { CString::from_raw(host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 372 |         unsafe { let _ = CString::from_raw(host_name); };
[INFO] [stdout]     |                  +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:387:18
[INFO] [stdout]     |
[INFO] [stdout] 387 |         unsafe { CString::from_raw(original_host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 387 |         unsafe { let _ = CString::from_raw(original_host_name); };
[INFO] [stdout]     |                  +++++++                                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:444:18
[INFO] [stdout]     |
[INFO] [stdout] 444 |         unsafe { CString::from_raw(host_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 444 |         unsafe { let _ = CString::from_raw(host_name); };
[INFO] [stdout]     |                  +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:499:18
[INFO] [stdout]     |
[INFO] [stdout] 499 |         unsafe { CString::from_raw(service_type) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 499 |         unsafe { let _ = CString::from_raw(service_type); };
[INFO] [stdout]     |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/adapters/avahi/adapter.rs:500:18
[INFO] [stdout]     |
[INFO] [stdout] 500 |         unsafe { CString::from_raw(service_name) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 500 |         unsafe { let _ = CString::from_raw(service_name); };
[INFO] [stdout]     |                  +++++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T, A>::into_raw` that must be used
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Box::into_raw(sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = Box::into_raw(sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T, A>::into_raw` that must be used
[INFO] [stdout]   --> src/adapters/avahi/callbacks.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Box::into_raw(sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = Box::into_raw(sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped
[INFO] [stdout]   --> src/adapters/adapter.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Adapter: DiscoveryAdapter + HostAdapter + Drop {
[INFO] [stdout]    |                                                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "385fae6a7597c8c60de981fc0e99c4ba5aeb55f33875f64395a788cc29eec57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385fae6a7597c8c60de981fc0e99c4ba5aeb55f33875f64395a788cc29eec57d", kill_on_drop: false }`
[INFO] [stdout] 385fae6a7597c8c60de981fc0e99c4ba5aeb55f33875f64395a788cc29eec57d