[INFO] fetching crate nemo-extension 0.6.1...
[INFO] testing nemo-extension-0.6.1 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate nemo-extension 0.6.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate nemo-extension 0.6.1 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nemo-extension 0.6.1
[INFO] finished tweaking crates.io crate nemo-extension 0.6.1
[INFO] tweaked toml for crates.io crate nemo-extension 0.6.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding gio-sys v0.9.1 (available: v0.20.5)
[INFO] [stderr]       Adding glib-sys v0.9.1 (available: v0.20.5)
[INFO] [stderr]       Adding gobject-sys v0.9.1 (available: v0.20.4)
[INFO] [stderr]       Adding gtk-sys v0.9.2 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5ebcdac0e93eae15e8525f2fb135512ee688d25b64ab0ae0bb285e5553e745a
[INFO] running `Command { std: "docker" "start" "-a" "b5ebcdac0e93eae15e8525f2fb135512ee688d25b64ab0ae0bb285e5553e745a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ebcdac0e93eae15e8525f2fb135512ee688d25b64ab0ae0bb285e5553e745a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ebcdac0e93eae15e8525f2fb135512ee688d25b64ab0ae0bb285e5553e745a", kill_on_drop: false }`
[INFO] [stdout] b5ebcdac0e93eae15e8525f2fb135512ee688d25b64ab0ae0bb285e5553e745a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a5dac31286845bd07b6569bfe80ac1d79ff8f41f189c68b3be84980de07f011
[INFO] running `Command { std: "docker" "start" "-a" "2a5dac31286845bd07b6569bfe80ac1d79ff8f41f189c68b3be84980de07f011", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling nemo-extension-sys v0.5.0
[INFO] [stderr]    Compiling nemo-extension v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/info_provider.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn should_update_file_info(&self, &FileInfo) -> bool;
[INFO] [stdout]    |                                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &FileInfo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/info_provider.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn update_file_info(&self, &mut FileInfo);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut FileInfo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | info_provider_iface!(info_provider_iface_init_0, info_provider_update_file_info_0, info_provider_update_file_info_bg_0, info_provider_cancel_update_0, INFO_PROVIDER_0, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | info_provider_iface!(info_provider_iface_init_0, info_provider_update_file_info_0, info_provider_update_file_info_bg_0, info_provider_cancel_update_0, INFO_PROVIDER_0, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | info_provider_iface!(info_provider_iface_init_1, info_provider_update_file_info_1, info_provider_update_file_info_bg_1, info_provider_cancel_update_1, INFO_PROVIDER_1, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | info_provider_iface!(info_provider_iface_init_1, info_provider_update_file_info_1, info_provider_update_file_info_bg_1, info_provider_cancel_update_1, INFO_PROVIDER_1, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | info_provider_iface!(info_provider_iface_init_2, info_provider_update_file_info_2, info_provider_update_file_info_bg_2, info_provider_cancel_update_2, INFO_PROVIDER_2, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | info_provider_iface!(info_provider_iface_init_2, info_provider_update_file_info_2, info_provider_update_file_info_bg_2, info_provider_cancel_update_2, INFO_PROVIDER_2, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | info_provider_iface!(info_provider_iface_init_3, info_provider_update_file_info_3, info_provider_update_file_info_bg_3, info_provider_cancel_update_3, INFO_PROVIDER_3, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | info_provider_iface!(info_provider_iface_init_3, info_provider_update_file_info_3, info_provider_update_file_info_bg_3, info_provider_cancel_update_3, INFO_PROVIDER_3, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | info_provider_iface!(info_provider_iface_init_4, info_provider_update_file_info_4, info_provider_update_file_info_bg_4, info_provider_cancel_update_4, INFO_PROVIDER_4, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | info_provider_iface!(info_provider_iface_init_4, info_provider_update_file_info_4, info_provider_update_file_info_bg_4, info_provider_cancel_update_4, INFO_PROVIDER_4, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | info_provider_iface!(info_provider_iface_init_5, info_provider_update_file_info_5, info_provider_update_file_info_bg_5, info_provider_cancel_update_5, INFO_PROVIDER_5, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | info_provider_iface!(info_provider_iface_init_5, info_provider_update_file_info_5, info_provider_update_file_info_bg_5, info_provider_cancel_update_5, INFO_PROVIDER_5, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | info_provider_iface!(info_provider_iface_init_6, info_provider_update_file_info_6, info_provider_update_file_info_bg_6, info_provider_cancel_update_6, INFO_PROVIDER_6, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | info_provider_iface!(info_provider_iface_init_6, info_provider_update_file_info_6, info_provider_update_file_info_bg_6, info_provider_cancel_update_6, INFO_PROVIDER_6, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | info_provider_iface!(info_provider_iface_init_7, info_provider_update_file_info_7, info_provider_update_file_info_bg_7, info_provider_cancel_update_7, INFO_PROVIDER_7, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | info_provider_iface!(info_provider_iface_init_7, info_provider_update_file_info_7, info_provider_update_file_info_bg_7, info_provider_cancel_update_7, INFO_PROVIDER_7, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | info_provider_iface!(info_provider_iface_init_8, info_provider_update_file_info_8, info_provider_update_file_info_bg_8, info_provider_cancel_update_8, INFO_PROVIDER_8, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | info_provider_iface!(info_provider_iface_init_8, info_provider_update_file_info_8, info_provider_update_file_info_bg_8, info_provider_cancel_update_8, INFO_PROVIDER_8, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | info_provider_iface!(info_provider_iface_init_9, info_provider_update_file_info_9, info_provider_update_file_info_bg_9, info_provider_cancel_update_9, INFO_PROVIDER_9, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | info_provider_iface!(info_provider_iface_init_9, info_provider_update_file_info_9, info_provider_update_file_info_bg_9, info_provider_cancel_update_9, INFO_PROVIDER_9, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 CString::from_raw(raw_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] 72 |                 let _ = CString::from_raw(raw_name);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 CString::from_raw(raw_label);
[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] 73 |                 let _ = CString::from_raw(raw_label);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 CString::from_raw(raw_tip);
[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 |                 let _ = CString::from_raw(raw_tip);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     CString::from_raw(raw_icon);
[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] 76 |                     let _ = CString::from_raw(raw_icon);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 CString::from_raw(raw_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] 115 |                 let _ = CString::from_raw(raw_name);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 CString::from_raw(raw_label);
[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] 116 |                 let _ = CString::from_raw(raw_label);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 CString::from_raw(raw_tip);
[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] 117 |                 let _ = CString::from_raw(raw_tip);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     CString::from_raw(raw_icon);
[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] 119 |                     let _ = CString::from_raw(raw_icon);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         CString::from_raw(activate_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] 249 |         let _ = CString::from_raw(activate_name);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 | property_page_provider_iface!(property_page_provider_iface_init_0, property_page_provider_get_pages_0, PROPERTY_PAGE_PROVIDER_0, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 | property_page_provider_iface!(property_page_provider_iface_init_1, property_page_provider_get_pages_1, PROPERTY_PAGE_PROVIDER_1, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 | property_page_provider_iface!(property_page_provider_iface_init_2, property_page_provider_get_pages_2, PROPERTY_PAGE_PROVIDER_2, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 | property_page_provider_iface!(property_page_provider_iface_init_3, property_page_provider_get_pages_3, PROPERTY_PAGE_PROVIDER_3, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | property_page_provider_iface!(property_page_provider_iface_init_4, property_page_provider_get_pages_4, PROPERTY_PAGE_PROVIDER_4, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | property_page_provider_iface!(property_page_provider_iface_init_5, property_page_provider_get_pages_5, PROPERTY_PAGE_PROVIDER_5, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | property_page_provider_iface!(property_page_provider_iface_init_6, property_page_provider_get_pages_6, PROPERTY_PAGE_PROVIDER_6, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | property_page_provider_iface!(property_page_provider_iface_init_7, property_page_provider_get_pages_7, PROPERTY_PAGE_PROVIDER_7, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | property_page_provider_iface!(property_page_provider_iface_init_8, property_page_provider_get_pages_8, PROPERTY_PAGE_PROVIDER_8, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | property_page_provider_iface!(property_page_provider_iface_init_9, property_page_provider_get_pages_9, PROPERTY_PAGE_PROVIDER_9, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "2a5dac31286845bd07b6569bfe80ac1d79ff8f41f189c68b3be84980de07f011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5dac31286845bd07b6569bfe80ac1d79ff8f41f189c68b3be84980de07f011", kill_on_drop: false }`
[INFO] [stdout] 2a5dac31286845bd07b6569bfe80ac1d79ff8f41f189c68b3be84980de07f011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c2d78442583c21ed21ee1988d750e5197964b4ba7568ec39b366c7d1c739ca
[INFO] running `Command { std: "docker" "start" "-a" "06c2d78442583c21ed21ee1988d750e5197964b4ba7568ec39b366c7d1c739ca", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/info_provider.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn should_update_file_info(&self, &FileInfo) -> bool;
[INFO] [stdout]    |                                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &FileInfo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/info_provider.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn update_file_info(&self, &mut FileInfo);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut FileInfo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | info_provider_iface!(info_provider_iface_init_0, info_provider_update_file_info_0, info_provider_update_file_info_bg_0, info_provider_cancel_update_0, INFO_PROVIDER_0, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | info_provider_iface!(info_provider_iface_init_0, info_provider_update_file_info_0, info_provider_update_file_info_bg_0, info_provider_cancel_update_0, INFO_PROVIDER_0, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | info_provider_iface!(info_provider_iface_init_1, info_provider_update_file_info_1, info_provider_update_file_info_bg_1, info_provider_cancel_update_1, INFO_PROVIDER_1, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | info_provider_iface!(info_provider_iface_init_1, info_provider_update_file_info_1, info_provider_update_file_info_bg_1, info_provider_cancel_update_1, INFO_PROVIDER_1, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | info_provider_iface!(info_provider_iface_init_2, info_provider_update_file_info_2, info_provider_update_file_info_bg_2, info_provider_cancel_update_2, INFO_PROVIDER_2, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | info_provider_iface!(info_provider_iface_init_2, info_provider_update_file_info_2, info_provider_update_file_info_bg_2, info_provider_cancel_update_2, INFO_PROVIDER_2, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | info_provider_iface!(info_provider_iface_init_3, info_provider_update_file_info_3, info_provider_update_file_info_bg_3, info_provider_cancel_update_3, INFO_PROVIDER_3, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | info_provider_iface!(info_provider_iface_init_3, info_provider_update_file_info_3, info_provider_update_file_info_bg_3, info_provider_cancel_update_3, INFO_PROVIDER_3, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | info_provider_iface!(info_provider_iface_init_4, info_provider_update_file_info_4, info_provider_update_file_info_bg_4, info_provider_cancel_update_4, INFO_PROVIDER_4, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | info_provider_iface!(info_provider_iface_init_4, info_provider_update_file_info_4, info_provider_update_file_info_bg_4, info_provider_cancel_update_4, INFO_PROVIDER_4, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | info_provider_iface!(info_provider_iface_init_5, info_provider_update_file_info_5, info_provider_update_file_info_bg_5, info_provider_cancel_update_5, INFO_PROVIDER_5, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | info_provider_iface!(info_provider_iface_init_5, info_provider_update_file_info_5, info_provider_update_file_info_bg_5, info_provider_cancel_update_5, INFO_PROVIDER_5, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | info_provider_iface!(info_provider_iface_init_6, info_provider_update_file_info_6, info_provider_update_file_info_bg_6, info_provider_cancel_update_6, INFO_PROVIDER_6, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | info_provider_iface!(info_provider_iface_init_6, info_provider_update_file_info_6, info_provider_update_file_info_bg_6, info_provider_cancel_update_6, INFO_PROVIDER_6, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | info_provider_iface!(info_provider_iface_init_7, info_provider_update_file_info_7, info_provider_update_file_info_bg_7, info_provider_cancel_update_7, INFO_PROVIDER_7, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | info_provider_iface!(info_provider_iface_init_7, info_provider_update_file_info_7, info_provider_update_file_info_bg_7, info_provider_cancel_update_7, INFO_PROVIDER_7, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | info_provider_iface!(info_provider_iface_init_8, info_provider_update_file_info_8, info_provider_update_file_info_bg_8, info_provider_cancel_update_8, INFO_PROVIDER_8, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | info_provider_iface!(info_provider_iface_init_8, info_provider_update_file_info_8, info_provider_update_file_info_bg_8, info_provider_cancel_update_8, INFO_PROVIDER_8, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | info_provider_iface!(info_provider_iface_init_9, info_provider_update_file_info_9, info_provider_update_file_info_bg_9, info_provider_cancel_update_9, INFO_PROVIDER_9, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | info_provider_iface!(info_provider_iface_init_9, info_provider_update_file_info_9, info_provider_update_file_info_bg_9, info_provider_cancel_update_9, INFO_PROVIDER_9, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 CString::from_raw(raw_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] 72 |                 let _ = CString::from_raw(raw_name);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 CString::from_raw(raw_label);
[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] 73 |                 let _ = CString::from_raw(raw_label);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 CString::from_raw(raw_tip);
[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 |                 let _ = CString::from_raw(raw_tip);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     CString::from_raw(raw_icon);
[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] 76 |                     let _ = CString::from_raw(raw_icon);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 CString::from_raw(raw_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] 115 |                 let _ = CString::from_raw(raw_name);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 CString::from_raw(raw_label);
[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] 116 |                 let _ = CString::from_raw(raw_label);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 CString::from_raw(raw_tip);
[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] 117 |                 let _ = CString::from_raw(raw_tip);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     CString::from_raw(raw_icon);
[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] 119 |                     let _ = CString::from_raw(raw_icon);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         CString::from_raw(activate_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] 249 |         let _ = CString::from_raw(activate_name);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 | property_page_provider_iface!(property_page_provider_iface_init_0, property_page_provider_get_pages_0, PROPERTY_PAGE_PROVIDER_0, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 | property_page_provider_iface!(property_page_provider_iface_init_1, property_page_provider_get_pages_1, PROPERTY_PAGE_PROVIDER_1, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 | property_page_provider_iface!(property_page_provider_iface_init_2, property_page_provider_get_pages_2, PROPERTY_PAGE_PROVIDER_2, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 | property_page_provider_iface!(property_page_provider_iface_init_3, property_page_provider_get_pages_3, PROPERTY_PAGE_PROVIDER_3, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | property_page_provider_iface!(property_page_provider_iface_init_4, property_page_provider_get_pages_4, PROPERTY_PAGE_PROVIDER_4, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | property_page_provider_iface!(property_page_provider_iface_init_5, property_page_provider_get_pages_5, PROPERTY_PAGE_PROVIDER_5, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | property_page_provider_iface!(property_page_provider_iface_init_6, property_page_provider_get_pages_6, PROPERTY_PAGE_PROVIDER_6, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | property_page_provider_iface!(property_page_provider_iface_init_7, property_page_provider_get_pages_7, PROPERTY_PAGE_PROVIDER_7, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | property_page_provider_iface!(property_page_provider_iface_init_8, property_page_provider_get_pages_8, PROPERTY_PAGE_PROVIDER_8, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | property_page_provider_iface!(property_page_provider_iface_init_9, property_page_provider_get_pages_9, PROPERTY_PAGE_PROVIDER_9, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nemo-extension v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/info_provider.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn should_update_file_info(&self, &FileInfo) -> bool;
[INFO] [stdout]    |                                       ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &FileInfo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/info_provider.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn update_file_info(&self, &mut FileInfo);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut FileInfo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | column_provider_iface!(column_provider_iface_init_0, column_provider_get_columns_0, COLUMN_PROVIDER_0, set_column_provider_0);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | column_provider_iface!(column_provider_iface_init_1, column_provider_get_columns_1, COLUMN_PROVIDER_1, set_column_provider_1);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | column_provider_iface!(column_provider_iface_init_2, column_provider_get_columns_2, COLUMN_PROVIDER_2, set_column_provider_2);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | column_provider_iface!(column_provider_iface_init_3, column_provider_get_columns_3, COLUMN_PROVIDER_3, set_column_provider_3);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | column_provider_iface!(column_provider_iface_init_4, column_provider_get_columns_4, COLUMN_PROVIDER_4, set_column_provider_4);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | column_provider_iface!(column_provider_iface_init_5, column_provider_get_columns_5, COLUMN_PROVIDER_5, set_column_provider_5);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 | column_provider_iface!(column_provider_iface_init_6, column_provider_get_columns_6, COLUMN_PROVIDER_6, set_column_provider_6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 | column_provider_iface!(column_provider_iface_init_7, column_provider_get_columns_7, COLUMN_PROVIDER_7, set_column_provider_7);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 | column_provider_iface!(column_provider_iface_init_8, column_provider_get_columns_8, COLUMN_PROVIDER_8, set_column_provider_8);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     CString::from_raw(attribute);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = CString::from_raw(attribute);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     CString::from_raw(label);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let _ = CString::from_raw(label);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/column_provider.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     CString::from_raw(description);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | column_provider_iface!(column_provider_iface_init_9, column_provider_get_columns_9, COLUMN_PROVIDER_9, set_column_provider_9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `column_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     let _ = CString::from_raw(description);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | info_provider_iface!(info_provider_iface_init_0, info_provider_update_file_info_0, info_provider_update_file_info_bg_0, info_provider_cancel_update_0, INFO_PROVIDER_0, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | info_provider_iface!(info_provider_iface_init_0, info_provider_update_file_info_0, info_provider_update_file_info_bg_0, info_provider_cancel_update_0, INFO_PROVIDER_0, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | info_provider_iface!(info_provider_iface_init_1, info_provider_update_file_info_1, info_provider_update_file_info_bg_1, info_provider_cancel_update_1, INFO_PROVIDER_1, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | info_provider_iface!(info_provider_iface_init_1, info_provider_update_file_info_1, info_provider_update_file_info_bg_1, info_provider_cancel_update_1, INFO_PROVIDER_1, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | info_provider_iface!(info_provider_iface_init_2, info_provider_update_file_info_2, info_provider_update_file_info_bg_2, info_provider_cancel_update_2, INFO_PROVIDER_2, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | info_provider_iface!(info_provider_iface_init_2, info_provider_update_file_info_2, info_provider_update_file_info_bg_2, info_provider_cancel_update_2, INFO_PROVIDER_2, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | info_provider_iface!(info_provider_iface_init_3, info_provider_update_file_info_3, info_provider_update_file_info_bg_3, info_provider_cancel_update_3, INFO_PROVIDER_3, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | info_provider_iface!(info_provider_iface_init_3, info_provider_update_file_info_3, info_provider_update_file_info_bg_3, info_provider_cancel_update_3, INFO_PROVIDER_3, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | info_provider_iface!(info_provider_iface_init_4, info_provider_update_file_info_4, info_provider_update_file_info_bg_4, info_provider_cancel_update_4, INFO_PROVIDER_4, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | info_provider_iface!(info_provider_iface_init_4, info_provider_update_file_info_4, info_provider_update_file_info_bg_4, info_provider_cancel_update_4, INFO_PROVIDER_4, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | info_provider_iface!(info_provider_iface_init_5, info_provider_update_file_info_5, info_provider_update_file_info_bg_5, info_provider_cancel_update_5, INFO_PROVIDER_5, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | info_provider_iface!(info_provider_iface_init_5, info_provider_update_file_info_5, info_provider_update_file_info_bg_5, info_provider_cancel_update_5, INFO_PROVIDER_5, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | info_provider_iface!(info_provider_iface_init_6, info_provider_update_file_info_6, info_provider_update_file_info_bg_6, info_provider_cancel_update_6, INFO_PROVIDER_6, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | info_provider_iface!(info_provider_iface_init_6, info_provider_update_file_info_6, info_provider_update_file_info_bg_6, info_provider_cancel_update_6, INFO_PROVIDER_6, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | info_provider_iface!(info_provider_iface_init_7, info_provider_update_file_info_7, info_provider_update_file_info_bg_7, info_provider_cancel_update_7, INFO_PROVIDER_7, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | info_provider_iface!(info_provider_iface_init_7, info_provider_update_file_info_7, info_provider_update_file_info_bg_7, info_provider_cancel_update_7, INFO_PROVIDER_7, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | info_provider_iface!(info_provider_iface_init_8, info_provider_update_file_info_8, info_provider_update_file_info_bg_8, info_provider_cancel_update_8, INFO_PROVIDER_8, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | info_provider_iface!(info_provider_iface_init_8, info_provider_update_file_info_8, info_provider_update_file_info_bg_8, info_provider_cancel_update_8, INFO_PROVIDER_8, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | info_provider_iface!(info_provider_iface_init_9, info_provider_update_file_info_9, info_provider_update_file_info_bg_9, info_provider_cancel_update_9, INFO_PROVIDER_9, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         let _ = CString::from_raw(attr_name_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/info_provider.rs:148:25
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | info_provider_iface!(info_provider_iface_init_9, info_provider_update_file_info_9, info_provider_update_file_info_bg_9, info_provider_cancel_update_9, INFO_PROVIDER_9, set_info_provider_...
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: this warning originates in the macro `info_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         let _ = CString::from_raw(attr_value_c);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 CString::from_raw(raw_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] 72 |                 let _ = CString::from_raw(raw_name);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 CString::from_raw(raw_label);
[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] 73 |                 let _ = CString::from_raw(raw_label);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 CString::from_raw(raw_tip);
[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 |                 let _ = CString::from_raw(raw_tip);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/menu_provider.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     CString::from_raw(raw_icon);
[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] 76 |                     let _ = CString::from_raw(raw_icon);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 CString::from_raw(raw_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] 115 |                 let _ = CString::from_raw(raw_name);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 CString::from_raw(raw_label);
[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] 116 |                 let _ = CString::from_raw(raw_label);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |                 CString::from_raw(raw_tip);
[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] 117 |                 let _ = CString::from_raw(raw_tip);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     CString::from_raw(raw_icon);
[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] 119 |                     let _ = CString::from_raw(raw_icon);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/menu_provider.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         CString::from_raw(activate_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] 249 |         let _ = CString::from_raw(activate_name);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 | property_page_provider_iface!(property_page_provider_iface_init_0, property_page_provider_get_pages_0, PROPERTY_PAGE_PROVIDER_0, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 | property_page_provider_iface!(property_page_provider_iface_init_1, property_page_provider_get_pages_1, PROPERTY_PAGE_PROVIDER_1, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 | property_page_provider_iface!(property_page_provider_iface_init_2, property_page_provider_get_pages_2, PROPERTY_PAGE_PROVIDER_2, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 | property_page_provider_iface!(property_page_provider_iface_init_3, property_page_provider_get_pages_3, PROPERTY_PAGE_PROVIDER_3, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | property_page_provider_iface!(property_page_provider_iface_init_4, property_page_provider_get_pages_4, PROPERTY_PAGE_PROVIDER_4, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 | property_page_provider_iface!(property_page_provider_iface_init_5, property_page_provider_get_pages_5, PROPERTY_PAGE_PROVIDER_5, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | property_page_provider_iface!(property_page_provider_iface_init_6, property_page_provider_get_pages_6, PROPERTY_PAGE_PROVIDER_6, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 | property_page_provider_iface!(property_page_provider_iface_init_7, property_page_provider_get_pages_7, PROPERTY_PAGE_PROVIDER_7, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 | property_page_provider_iface!(property_page_provider_iface_init_8, property_page_provider_get_pages_8, PROPERTY_PAGE_PROVIDER_8, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/property_page_provider.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     CString::from_raw(name);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | property_page_provider_iface!(property_page_provider_iface_init_9, property_page_provider_get_pages_9, PROPERTY_PAGE_PROVIDER_9, set_property_page_provider_...
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]    = note: this warning originates in the macro `property_page_provider_iface` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     let _ = CString::from_raw(name);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcIhsbLB/symbols.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.00.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.01.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.02.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.03.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.04.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.05.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.06.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.07.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.08.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.nemo_extension.a14064b3b9216a0a-cgu.09.rcgu.o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1.68d75sz9n0cqnt0sh0uuj2fy7.rcgu.o" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-a09fad3b5321e7d6.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-f9c3dff41ad42661.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-ad2aef31af6addd3.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-e3f907dc03deb913.rlib" "/opt/rustwide/target/debug/deps/libnemo_extension_sys-4bce7cf4da3619a5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7af2f34f8b124b26.rlib" "/opt/rustwide/target/debug/deps/libgtk_sys-c484a84c886971c5.rlib" "/opt/rustwide/target/debug/deps/libgdk_sys-570aa3ea98bbe0bd.rlib" "/opt/rustwide/target/debug/deps/libpango_sys-e441f03f428384fe.rlib" "/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-daa148e8eeb1377c.rlib" "/opt/rustwide/target/debug/deps/libcairo_sys-81158fab75712ae8.rlib" "/opt/rustwide/target/debug/deps/libatk_sys-80e13f5b40041cc4.rlib" "/opt/rustwide/target/debug/deps/libgio_sys-d1a86cc6d3e13b9e.rlib" "/opt/rustwide/target/debug/deps/libgobject_sys-99339734a894e2d4.rlib" "/opt/rustwide/target/debug/deps/libglib_sys-91516c28c1d8ff48.rlib" "/opt/rustwide/target/debug/deps/liblibc-663f09ba3db1840e.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-fb8c387236db3c10.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b251837809b2f64b.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-cbef83eaa4e01f04.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-12a772286de2fca7.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-023bbe5ada7abfc3.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-de2bcdf10ec69c2b.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-8e1754df350800fd.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-06c2ab7b9c32e037.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51d2621fc57a281b.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-54a930408793772f.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-0c7d01cba400dcb2.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-b9f84d69e331b75b.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-eec95493246aae39.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f6676c475e08ab0.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-799d520624f8b2e0.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-fcf93d4842acd9a9.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-395a38b8e0851c9b.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d453bab70303062c.rlib" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0e6386368b0a24e8.rlib" "-Wl,-Bdynamic" "-lnemo-extension" "-lgtk-3" "-lgdk-3" "-lpangocairo-1.0" "-lpango-1.0" "-lharfbuzz" "-latk-1.0" "-lcairo-gobject" "-lcairo" "-lgdk_pixbuf-2.0" "-lgio-2.0" "-lgobject-2.0" "-lglib-2.0" "-lgdk-3" "-lpangocairo-1.0" "-lpango-1.0" "-lharfbuzz" "-lgdk_pixbuf-2.0" "-lcairo-gobject" "-lcairo" "-lgobject-2.0" "-lglib-2.0" "-lpango-1.0" "-lgobject-2.0" "-lglib-2.0" "-lharfbuzz" "-lgdk_pixbuf-2.0" "-lgobject-2.0" "-lglib-2.0" "-lcairo" "-latk-1.0" "-lgobject-2.0" "-lglib-2.0" "-lgio-2.0" "-lgobject-2.0" "-lglib-2.0" "-lgobject-2.0" "-lglib-2.0" "-lglib-2.0" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/nightly-2024-10-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/nemo_extension-21bff01e3720def1" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lnemo-extension
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nemo-extension` (lib test) due to 1 previous error; 81 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "06c2d78442583c21ed21ee1988d750e5197964b4ba7568ec39b366c7d1c739ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c2d78442583c21ed21ee1988d750e5197964b4ba7568ec39b366c7d1c739ca", kill_on_drop: false }`
[INFO] [stdout] 06c2d78442583c21ed21ee1988d750e5197964b4ba7568ec39b366c7d1c739ca
