[INFO] fetching crate irondash_dart_ffi 0.2.0...
[INFO] testing irondash_dart_ffi-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate irondash_dart_ffi 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate irondash_dart_ffi 0.2.0
[INFO] finished tweaking crates.io crate irondash_dart_ffi 0.2.0
[INFO] tweaked toml for crates.io crate irondash_dart_ffi 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate irondash_dart_ffi 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2b62d8609e98b03efe15736edfc0a01dca7b03c461171e84f749ad8d63082ca
[INFO] running `Command { std: "docker" "start" "-a" "c2b62d8609e98b03efe15736edfc0a01dca7b03c461171e84f749ad8d63082ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b62d8609e98b03efe15736edfc0a01dca7b03c461171e84f749ad8d63082ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b62d8609e98b03efe15736edfc0a01dca7b03c461171e84f749ad8d63082ca", kill_on_drop: false }`
[INFO] [stdout] c2b62d8609e98b03efe15736edfc0a01dca7b03c461171e84f749ad8d63082ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e69f6cffbc6a3fe55df75a4bc2f08f82b0cc4697555a04781915aed1e6ec07
[INFO] running `Command { std: "docker" "start" "-a" "65e69f6cffbc6a3fe55df75a4bc2f08f82b0cc4697555a04781915aed1e6ec07", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling irondash_dart_ffi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] 21 | pub struct DartFunctions {
[INFO] [stdout] 22 |     pub post_cobject: unsafe extern "C" fn(DartPort, *mut DartCObject) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub post_integer: unsafe extern "C" fn(DartPort, i64) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub new_native_port: unsafe extern "C" fn(*const c_char, DartPortHandler, bool) -> DartPort,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub close_native_port: unsafe extern "C" fn(DartPort) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 27 | /     pub new_weak_persistent_handle: unsafe extern "C" fn(
[INFO] [stdout] 28 | |         object: DartHandle,
[INFO] [stdout] 29 | |         peer: *mut c_void,
[INFO] [stdout] 30 | |         external_allocation_size: isize,
[INFO] [stdout] 31 | |         finalizer: DartHandleFinalizer,
[INFO] [stdout] 32 | |     ) -> DartWeakPersistentHandle,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub delete_weak_persistent_handle: unsafe extern "C" fn(handle: DartWeakPersistentHandle),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 34 | /     pub handle_from_weak_persistent:
[INFO] [stdout] 35 | |         unsafe extern "C" fn(handle: DartWeakPersistentHandle) -> DartHandle,
[INFO] [stdout]    | |____________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/value.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stdout]     |                                  --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 262 |         pub callback: DartHandleFinalizer,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/value.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stdout]     |                                  --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 272 |         pub callback: DartHandleFinalizer,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/value.rs:308:30
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     unsafe { CString::from_raw(self.value.as_string) };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     unsafe { let _ = CString::from_raw(self.value.as_string); };
[INFO] [stdout]     |                              +++++++                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "65e69f6cffbc6a3fe55df75a4bc2f08f82b0cc4697555a04781915aed1e6ec07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e69f6cffbc6a3fe55df75a4bc2f08f82b0cc4697555a04781915aed1e6ec07", kill_on_drop: false }`
[INFO] [stdout] 65e69f6cffbc6a3fe55df75a4bc2f08f82b0cc4697555a04781915aed1e6ec07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b8be762b790bb1e1190a81be2dceb32196192e674169d36b163ee2741f0b327
[INFO] running `Command { std: "docker" "start" "-a" "1b8be762b790bb1e1190a81be2dceb32196192e674169d36b163ee2741f0b327", kill_on_drop: false }`
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] 21 | pub struct DartFunctions {
[INFO] [stdout] 22 |     pub post_cobject: unsafe extern "C" fn(DartPort, *mut DartCObject) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling irondash_dart_ffi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub post_integer: unsafe extern "C" fn(DartPort, i64) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub new_native_port: unsafe extern "C" fn(*const c_char, DartPortHandler, bool) -> DartPort,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub close_native_port: unsafe extern "C" fn(DartPort) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 27 | /     pub new_weak_persistent_handle: unsafe extern "C" fn(
[INFO] [stdout] 28 | |         object: DartHandle,
[INFO] [stdout] 29 | |         peer: *mut c_void,
[INFO] [stdout] 30 | |         external_allocation_size: isize,
[INFO] [stdout] 31 | |         finalizer: DartHandleFinalizer,
[INFO] [stdout] 32 | |     ) -> DartWeakPersistentHandle,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub delete_weak_persistent_handle: unsafe extern "C" fn(handle: DartWeakPersistentHandle),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 34 | /     pub handle_from_weak_persistent:
[INFO] [stdout] 35 | |         unsafe extern "C" fn(handle: DartWeakPersistentHandle) -> DartHandle,
[INFO] [stdout]    | |____________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/value.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stdout]     |                                  --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 262 |         pub callback: DartHandleFinalizer,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/value.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stdout]     |                                  --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 272 |         pub callback: DartHandleFinalizer,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/value.rs:308:30
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     unsafe { CString::from_raw(self.value.as_string) };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     unsafe { let _ = CString::from_raw(self.value.as_string); };
[INFO] [stdout]     |                              +++++++                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] 21 | pub struct DartFunctions {
[INFO] [stdout] 22 |     pub post_cobject: unsafe extern "C" fn(DartPort, *mut DartCObject) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub post_integer: unsafe extern "C" fn(DartPort, i64) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub new_native_port: unsafe extern "C" fn(*const c_char, DartPortHandler, bool) -> DartPort,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub close_native_port: unsafe extern "C" fn(DartPort) -> bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 27 | /     pub new_weak_persistent_handle: unsafe extern "C" fn(
[INFO] [stdout] 28 | |         object: DartHandle,
[INFO] [stdout] 29 | |         peer: *mut c_void,
[INFO] [stdout] 30 | |         external_allocation_size: isize,
[INFO] [stdout] 31 | |         finalizer: DartHandleFinalizer,
[INFO] [stdout] 32 | |     ) -> DartWeakPersistentHandle,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub delete_weak_persistent_handle: unsafe extern "C" fn(handle: DartWeakPersistentHandle),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/functions.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stdout]    |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 34 | /     pub handle_from_weak_persistent:
[INFO] [stdout] 35 | |         unsafe extern "C" fn(handle: DartWeakPersistentHandle) -> DartHandle,
[INFO] [stdout]    | |____________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/value.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stdout]     |                                  --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 262 |         pub callback: DartHandleFinalizer,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/value.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stdout]     |                                  --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 272 |         pub callback: DartHandleFinalizer,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/value.rs:308:30
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     unsafe { CString::from_raw(self.value.as_string) };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     unsafe { let _ = CString::from_raw(self.value.as_string); };
[INFO] [stdout]     |                              +++++++                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "1b8be762b790bb1e1190a81be2dceb32196192e674169d36b163ee2741f0b327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8be762b790bb1e1190a81be2dceb32196192e674169d36b163ee2741f0b327", kill_on_drop: false }`
[INFO] [stdout] 1b8be762b790bb1e1190a81be2dceb32196192e674169d36b163ee2741f0b327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bea647c71c6ae299c2c64bc965eb76ded232043d9434dab2c83721c18e46e61
[INFO] running `Command { std: "docker" "start" "-a" "7bea647c71c6ae299c2c64bc965eb76ded232043d9434dab2c83721c18e46e61", kill_on_drop: false }`
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]   --> src/functions.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stderr]    |                        --------- in this derive macro expansion
[INFO] [stderr] 21 | pub struct DartFunctions {
[INFO] [stderr] 22 |     pub post_cobject: unsafe extern "C" fn(DartPort, *mut DartCObject) -> bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the address of the same function can vary between different codegen units
[INFO] [stderr]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]   --> src/functions.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stderr]    |                        --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub post_integer: unsafe extern "C" fn(DartPort, i64) -> bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the address of the same function can vary between different codegen units
[INFO] [stderr]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]   --> src/functions.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stderr]    |                        --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub new_native_port: unsafe extern "C" fn(*const c_char, DartPortHandler, bool) -> DartPort,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the address of the same function can vary between different codegen units
[INFO] [stderr]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]   --> src/functions.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stderr]    |                        --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub close_native_port: unsafe extern "C" fn(DartPort) -> bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the address of the same function can vary between different codegen units
[INFO] [stderr]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]   --> src/functions.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stderr]    |                          --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 27 | /     pub new_weak_persistent_handle: unsafe extern "C" fn(
[INFO] [stderr] 28 | |         object: DartHandle,
[INFO] [stderr] 29 | |         peer: *mut c_void,
[INFO] [stderr] 30 | |         external_allocation_size: isize,
[INFO] [stderr] 31 | |         finalizer: DartHandleFinalizer,
[INFO] [stderr] 32 | |     ) -> DartWeakPersistentHandle,
[INFO] [stderr]    | |_________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the address of the same function can vary between different codegen units
[INFO] [stderr]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]   --> src/functions.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stderr]    |                        --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub delete_weak_persistent_handle: unsafe extern "C" fn(handle: DartWeakPersistentHandle),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the address of the same function can vary between different codegen units
[INFO] [stderr]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]   --> src/functions.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |   #[derive(Clone, Debug, PartialEq, Eq)]
[INFO] [stderr]    |                          --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 34 | /     pub handle_from_weak_persistent:
[INFO] [stderr] 35 | |         unsafe extern "C" fn(handle: DartWeakPersistentHandle) -> DartHandle,
[INFO] [stderr]    | |____________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the address of the same function can vary between different codegen units
[INFO] [stderr]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]    --> src/value.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stderr]     |                                  --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 262 |         pub callback: DartHandleFinalizer,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the address of the same function can vary between different codegen units
[INFO] [stderr]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]    --> src/value.rs:272:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |     #[derive(Debug, Copy, Clone, PartialEq, Eq)]
[INFO] [stderr]     |                                  --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 272 |         pub callback: DartHandleFinalizer,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the address of the same function can vary between different codegen units
[INFO] [stderr]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stderr]    --> src/value.rs:308:30
[INFO] [stderr]     |
[INFO] [stderr] 308 |                     unsafe { CString::from_raw(self.value.as_string) };
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 308 |                     unsafe { let _ = CString::from_raw(self.value.as_string); };
[INFO] [stderr]     |                              +++++++                                        +
[INFO] [stderr] 
[INFO] [stderr] warning: `irondash_dart_ffi` (lib) generated 10 warnings
[INFO] [stderr] warning: `irondash_dart_ffi` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/irondash_dart_ffi-6c3b5fae91b89ae2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests irondash_dart_ffi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7bea647c71c6ae299c2c64bc965eb76ded232043d9434dab2c83721c18e46e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bea647c71c6ae299c2c64bc965eb76ded232043d9434dab2c83721c18e46e61", kill_on_drop: false }`
[INFO] [stdout] 7bea647c71c6ae299c2c64bc965eb76ded232043d9434dab2c83721c18e46e61
