[INFO] fetching crate multicast_dns 0.5.0... [INFO] checking multicast_dns-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate multicast_dns 0.5.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate multicast_dns 0.5.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate multicast_dns 0.5.0 [INFO] finished tweaking crates.io crate multicast_dns 0.5.0 [INFO] tweaked toml for crates.io crate multicast_dns 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate multicast_dns 0.5.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f7bc8cf736f1a6f9d64e15e7599ed6226dbc7514aeac85875cc53c8c449aa80 [INFO] running `Command { std: "docker" "start" "-a" "4f7bc8cf736f1a6f9d64e15e7599ed6226dbc7514aeac85875cc53c8c449aa80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f7bc8cf736f1a6f9d64e15e7599ed6226dbc7514aeac85875cc53c8c449aa80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f7bc8cf736f1a6f9d64e15e7599ed6226dbc7514aeac85875cc53c8c449aa80", kill_on_drop: false }` [INFO] [stdout] 4f7bc8cf736f1a6f9d64e15e7599ed6226dbc7514aeac85875cc53c8c449aa80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f97df941518676e49e87c1c85da70100738a26953391bd09984f0b1c7f5ee6f [INFO] running `Command { std: "docker" "start" "-a" "5f97df941518676e49e87c1c85da70100738a26953391bd09984f0b1c7f5ee6f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling libc v0.2.67 [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: unused return value of `Box::::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::::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 `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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/adapters/avahi/adapter.rs:523:29 [INFO] [stdout] | [INFO] [stdout] 514 | let (client_sender, client_receiver) = mpsc::channel::(); [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 515 | [INFO] [stdout] 516 | let (service_browser_sender, service_browser_receiver) = [INFO] [stdout] | ---------------------- ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 523 | client_channel: Channel { [INFO] [stdout] | _____________________________^ [INFO] [stdout] 524 | | receiver: client_receiver, [INFO] [stdout] 525 | | sender: client_sender, [INFO] [stdout] 526 | | }, [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/adapters/avahi/adapter.rs:529:38 [INFO] [stdout] | [INFO] [stdout] 514 | let (client_sender, client_receiver) = mpsc::channel::(); [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 515 | [INFO] [stdout] 516 | let (service_browser_sender, service_browser_receiver) = [INFO] [stdout] | ---------------------- ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 529 | service_browser_channel: Channel { [INFO] [stdout] | ______________________________________^ [INFO] [stdout] 530 | | receiver: service_browser_receiver, [INFO] [stdout] 531 | | sender: service_browser_sender, [INFO] [stdout] 532 | | }, [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::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::::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] error: aborting due to 2 previous errors; 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `multicast_dns` (lib) due to 3 previous errors; 15 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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::::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::::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 `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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/adapters/avahi/adapter.rs:523:29 [INFO] [stdout] | [INFO] [stdout] 514 | let (client_sender, client_receiver) = mpsc::channel::(); [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 515 | [INFO] [stdout] 516 | let (service_browser_sender, service_browser_receiver) = [INFO] [stdout] | ---------------------- ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 523 | client_channel: Channel { [INFO] [stdout] | _____________________________^ [INFO] [stdout] 524 | | receiver: client_receiver, [INFO] [stdout] 525 | | sender: client_sender, [INFO] [stdout] 526 | | }, [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/adapters/avahi/adapter.rs:529:38 [INFO] [stdout] | [INFO] [stdout] 514 | let (client_sender, client_receiver) = mpsc::channel::(); [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 515 | [INFO] [stdout] 516 | let (service_browser_sender, service_browser_receiver) = [INFO] [stdout] | ---------------------- ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 529 | service_browser_channel: Channel { [INFO] [stdout] | ______________________________________^ [INFO] [stdout] 530 | | receiver: service_browser_receiver, [INFO] [stdout] 531 | | sender: service_browser_sender, [INFO] [stdout] 532 | | }, [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::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::::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] error: aborting due to 2 previous errors; 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `multicast_dns` (lib test) due to 3 previous errors; 15 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5f97df941518676e49e87c1c85da70100738a26953391bd09984f0b1c7f5ee6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f97df941518676e49e87c1c85da70100738a26953391bd09984f0b1c7f5ee6f", kill_on_drop: false }` [INFO] [stdout] 5f97df941518676e49e87c1c85da70100738a26953391bd09984f0b1c7f5ee6f