[INFO] fetching crate fpsdk 1.0.3... [INFO] checking fpsdk-1.0.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate fpsdk 1.0.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate fpsdk 1.0.3 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fpsdk 1.0.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate fpsdk 1.0.3 [INFO] tweaked toml for crates.io crate fpsdk 1.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate fpsdk 1.0.3 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d66cb2a4b677d56de12970dd0fc95939c4af7fca45c68f536a283040b653ca78 [INFO] running `Command { std: "docker" "start" "-a" "d66cb2a4b677d56de12970dd0fc95939c4af7fca45c68f536a283040b653ca78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d66cb2a4b677d56de12970dd0fc95939c4af7fca45c68f536a283040b653ca78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d66cb2a4b677d56de12970dd0fc95939c4af7fca45c68f536a283040b653ca78", kill_on_drop: false }` [INFO] [stdout] d66cb2a4b677d56de12970dd0fc95939c4af7fca45c68f536a283040b653ca78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34573c4ac782a6610d956e5a554e4f745136300247369a15ead2ca5c9e4e455a [INFO] running `Command { std: "docker" "start" "-a" "34573c4ac782a6610d956e5a554e4f745136300247369a15ead2ca5c9e4e455a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.24 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Checking hresult v0.0.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Checking simple-logging v2.0.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Compiling fpsdk v1.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking simplelog v0.7.6 [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/host.rs:781:22 [INFO] [stdout] | [INFO] [stdout] 781 | unsafe { std::slice::from_raw_parts_mut(message.value as *mut f32, WAVETABLE_SIZE) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | unused_qualifications, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 781 - unsafe { std::slice::from_raw_parts_mut(message.value as *mut f32, WAVETABLE_SIZE) }; [INFO] [stdout] 781 + unsafe { slice::from_raw_parts_mut(message.value as *mut f32, WAVETABLE_SIZE) }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/plugin/message.rs:846:29 [INFO] [stdout] | [INFO] [stdout] 846 | let len_bytes: [u8; mem::size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 846 - let len_bytes: [u8; mem::size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] 846 + let len_bytes: [u8; size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/plugin.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | pub trait Plugin: std::fmt::Debug + RefUnwindSafe + Send + Sync + 'static { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 55 - pub trait Plugin: std::fmt::Debug + RefUnwindSafe + Send + Sync + 'static { [INFO] [stdout] 55 + pub trait Plugin: fmt::Debug + RefUnwindSafe + Send + Sync + 'static { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:162:1 [INFO] [stdout] | [INFO] [stdout] 162 | / /// FFI to make C string (`char *`) managed by C side. Because `char *` produced by [INFO] [stdout] 163 | | /// `CString::into_raw` leads to memory leak: [INFO] [stdout] 164 | | /// [INFO] [stdout] 165 | | /// > The pointer which this function returns must be returned to Rust and reconstituted using [INFO] [stdout] 166 | | /// > from_raw to be properly deallocated. Specifically, one should not use the standard C free() [INFO] [stdout] 167 | | /// > function to deallocate this string. [INFO] [stdout] | |_________________________________________^ [INFO] [stdout] 168 | #[no_mangle] [INFO] [stdout] 169 | / extern "C" { [INFO] [stdout] 170 | | fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char; [INFO] [stdout] 171 | | } [INFO] [stdout] | |_- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/lib.rs:168:1 [INFO] [stdout] | [INFO] [stdout] 168 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 169 | / extern "C" { [INFO] [stdout] 170 | | fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char; [INFO] [stdout] 171 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/host.rs:315:1 [INFO] [stdout] | [INFO] [stdout] 315 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 316 | / extern "C" { [INFO] [stdout] 317 | | fn host_on_parameter(host: *mut c_void, tag: intptr_t, index: c_int, value: c_int); [INFO] [stdout] 318 | | fn host_on_controller(host: *mut c_void, tag: intptr_t, index: intptr_t, value: intptr_t); [INFO] [stdout] 319 | | fn host_on_hint(host: *mut c_void, tag: intptr_t, text: *mut c_char); [INFO] [stdout] ... | [INFO] [stdout] 348 | | fn host_get_send_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void; [INFO] [stdout] 349 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/host.rs:432:1 [INFO] [stdout] | [INFO] [stdout] 432 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 433 | / extern "C" { [INFO] [stdout] 434 | | fn host_release_voice(host: *mut c_void, tag: intptr_t); [INFO] [stdout] 435 | | fn host_kill_voice(host: *mut c_void, tag: intptr_t); [INFO] [stdout] 436 | | fn host_on_voice_event(host: *mut c_void, tag: intptr_t, message: FlMessage) -> intptr_t; [INFO] [stdout] 437 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/host.rs:471:22 [INFO] [stdout] | [INFO] [stdout] 471 | unsafe { Box::from_raw(params_ptr) }; // free the memory [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] 471 | unsafe { let _ = Box::from_raw(params_ptr); }; // free the memory [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/host.rs:494:17 [INFO] [stdout] | [INFO] [stdout] 494 | Box::from_raw(*voice.params_ptr.get_mut()); [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] 494 | let _ = Box::from_raw(*voice.params_ptr.get_mut()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/host/prompt.rs:74:22 [INFO] [stdout] | [INFO] [stdout] 74 | unsafe { CString::from_raw(value) }; [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] 74 | unsafe { let _ = CString::from_raw(value); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/host.rs:781:22 [INFO] [stdout] | [INFO] [stdout] 781 | unsafe { std::slice::from_raw_parts_mut(message.value as *mut f32, WAVETABLE_SIZE) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | unused_qualifications, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 781 - unsafe { std::slice::from_raw_parts_mut(message.value as *mut f32, WAVETABLE_SIZE) }; [INFO] [stdout] 781 + unsafe { slice::from_raw_parts_mut(message.value as *mut f32, WAVETABLE_SIZE) }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/plugin/message.rs:846:29 [INFO] [stdout] | [INFO] [stdout] 846 | let len_bytes: [u8; mem::size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 846 - let len_bytes: [u8; mem::size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] 846 + let len_bytes: [u8; size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/plugin.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | pub trait Plugin: std::fmt::Debug + RefUnwindSafe + Send + Sync + 'static { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 55 - pub trait Plugin: std::fmt::Debug + RefUnwindSafe + Send + Sync + 'static { [INFO] [stdout] 55 + pub trait Plugin: fmt::Debug + RefUnwindSafe + Send + Sync + 'static { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib.rs:162:1 [INFO] [stdout] | [INFO] [stdout] 162 | / /// FFI to make C string (`char *`) managed by C side. Because `char *` produced by [INFO] [stdout] 163 | | /// `CString::into_raw` leads to memory leak: [INFO] [stdout] 164 | | /// [INFO] [stdout] 165 | | /// > The pointer which this function returns must be returned to Rust and reconstituted using [INFO] [stdout] 166 | | /// > from_raw to be properly deallocated. Specifically, one should not use the standard C free() [INFO] [stdout] 167 | | /// > function to deallocate this string. [INFO] [stdout] | |_________________________________________^ [INFO] [stdout] 168 | #[no_mangle] [INFO] [stdout] 169 | / extern "C" { [INFO] [stdout] 170 | | fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char; [INFO] [stdout] 171 | | } [INFO] [stdout] | |_- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/lib.rs:168:1 [INFO] [stdout] | [INFO] [stdout] 168 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 169 | / extern "C" { [INFO] [stdout] 170 | | fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char; [INFO] [stdout] 171 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/host.rs:315:1 [INFO] [stdout] | [INFO] [stdout] 315 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 316 | / extern "C" { [INFO] [stdout] 317 | | fn host_on_parameter(host: *mut c_void, tag: intptr_t, index: c_int, value: c_int); [INFO] [stdout] 318 | | fn host_on_controller(host: *mut c_void, tag: intptr_t, index: intptr_t, value: intptr_t); [INFO] [stdout] 319 | | fn host_on_hint(host: *mut c_void, tag: intptr_t, text: *mut c_char); [INFO] [stdout] ... | [INFO] [stdout] 348 | | fn host_get_send_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void; [INFO] [stdout] 349 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/host.rs:432:1 [INFO] [stdout] | [INFO] [stdout] 432 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 433 | / extern "C" { [INFO] [stdout] 434 | | fn host_release_voice(host: *mut c_void, tag: intptr_t); [INFO] [stdout] 435 | | fn host_kill_voice(host: *mut c_void, tag: intptr_t); [INFO] [stdout] 436 | | fn host_on_voice_event(host: *mut c_void, tag: intptr_t, message: FlMessage) -> intptr_t; [INFO] [stdout] 437 | | } [INFO] [stdout] | |_- not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `params` is never read [INFO] [stdout] --> examples/simple.rs:391:5 [INFO] [stdout] | [INFO] [stdout] 389 | struct SimpleVoice { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 390 | tag: voice::Tag, [INFO] [stdout] 391 | params: voice::Params, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SimpleVoice` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> examples/simple.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug, Default, Deserialize, Serialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_State` [INFO] [stdout] 38 | struct State { [INFO] [stdout] | ----- `State` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> examples/simple.rs:37:39 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug, Default, Deserialize, Serialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_State` [INFO] [stdout] 38 | struct State { [INFO] [stdout] | ----- `State` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/host.rs:471:22 [INFO] [stdout] | [INFO] [stdout] 471 | unsafe { Box::from_raw(params_ptr) }; // free the memory [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] 471 | unsafe { let _ = Box::from_raw(params_ptr); }; // free the memory [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/host.rs:494:17 [INFO] [stdout] | [INFO] [stdout] 494 | Box::from_raw(*voice.params_ptr.get_mut()); [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] 494 | let _ = Box::from_raw(*voice.params_ptr.get_mut()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/host/prompt.rs:74:22 [INFO] [stdout] | [INFO] [stdout] 74 | unsafe { CString::from_raw(value) }; [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] 74 | unsafe { let _ = CString::from_raw(value); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.99s [INFO] running `Command { std: "docker" "inspect" "34573c4ac782a6610d956e5a554e4f745136300247369a15ead2ca5c9e4e455a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34573c4ac782a6610d956e5a554e4f745136300247369a15ead2ca5c9e4e455a", kill_on_drop: false }` [INFO] [stdout] 34573c4ac782a6610d956e5a554e4f745136300247369a15ead2ca5c9e4e455a