[INFO] fetching crate fpsdk 1.0.3... [INFO] checking fpsdk-1.0.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate fpsdk 1.0.3 into /workspace/builds/worker-7-tc2/source [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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fpsdk 1.0.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d584388ebf41437a42bacd297aed97941b3831ed5ad3e459f180542e48a81182 [INFO] running `Command { std: "docker" "start" "-a" "d584388ebf41437a42bacd297aed97941b3831ed5ad3e459f180542e48a81182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d584388ebf41437a42bacd297aed97941b3831ed5ad3e459f180542e48a81182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d584388ebf41437a42bacd297aed97941b3831ed5ad3e459f180542e48a81182", kill_on_drop: false }` [INFO] [stdout] d584388ebf41437a42bacd297aed97941b3831ed5ad3e459f180542e48a81182 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b86bd4e0dab208bf6fdf75d05db290c143e8b414d056ad1291082c252b89e11 [INFO] running `Command { std: "docker" "start" "-a" "5b86bd4e0dab208bf6fdf75d05db290c143e8b414d056ad1291082c252b89e11", 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] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.24 [INFO] [stderr] Compiling byteorder v1.3.4 [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] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking simple-logging v2.0.2 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Compiling fpsdk v1.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking chrono v0.4.11 [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: `#[no_mangle]` attribute cannot be used on foreign modules [INFO] [stdout] --> src/host.rs:315:1 [INFO] [stdout] | [INFO] [stdout] 315 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [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] = help: `#[no_mangle]` can be applied to functions, statics [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules [INFO] [stdout] --> src/host.rs:432:1 [INFO] [stdout] | [INFO] [stdout] 432 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [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] = help: `#[no_mangle]` can be applied to functions, statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules [INFO] [stdout] --> src/lib.rs:168:1 [INFO] [stdout] | [INFO] [stdout] 168 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [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] = help: `#[no_mangle]` can be applied to functions, statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TNotesParams` is never constructed [INFO] [stdout] --> src/lib.rs:486:8 [INFO] [stdout] | [INFO] [stdout] 486 | struct TNotesParams { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: unnecessary transmute [INFO] [stdout] --> src/plugin/message.rs:846:63 [INFO] [stdout] | [INFO] [stdout] 846 | let len_bytes: [u8; mem::size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] | --------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking simplelog v0.7.6 [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: `#[no_mangle]` attribute cannot be used on foreign modules [INFO] [stdout] --> src/host.rs:315:1 [INFO] [stdout] | [INFO] [stdout] 315 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [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] = help: `#[no_mangle]` can be applied to functions, statics [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules [INFO] [stdout] --> src/host.rs:432:1 [INFO] [stdout] | [INFO] [stdout] 432 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [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] = help: `#[no_mangle]` can be applied to functions, statics [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules [INFO] [stdout] --> src/lib.rs:168:1 [INFO] [stdout] | [INFO] [stdout] 168 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [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] = help: `#[no_mangle]` can be applied to functions, statics [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: `#[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 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: struct `TNotesParams` is never constructed [INFO] [stdout] --> src/lib.rs:486:8 [INFO] [stdout] | [INFO] [stdout] 486 | struct TNotesParams { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: unnecessary transmute [INFO] [stdout] --> src/plugin/message.rs:846:63 [INFO] [stdout] | [INFO] [stdout] 846 | let len_bytes: [u8; mem::size_of::()] = unsafe { mem::transmute(len) }; [INFO] [stdout] | --------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.26s [INFO] running `Command { std: "docker" "inspect" "5b86bd4e0dab208bf6fdf75d05db290c143e8b414d056ad1291082c252b89e11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b86bd4e0dab208bf6fdf75d05db290c143e8b414d056ad1291082c252b89e11", kill_on_drop: false }` [INFO] [stdout] 5b86bd4e0dab208bf6fdf75d05db290c143e8b414d056ad1291082c252b89e11