[INFO] fetching crate px4 0.2.4...
[INFO] building px4-0.2.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate px4 0.2.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate px4 0.2.4
[INFO] finished tweaking crates.io crate px4 0.2.4
[INFO] tweaked toml for crates.io crate px4 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate px4 0.2.4 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8296ff3564cf29e63eb972c6eab90cdada24ef621ed5d2e4e1164d5d68fef9ff
[INFO] running `Command { std: "docker" "start" "-a" "8296ff3564cf29e63eb972c6eab90cdada24ef621ed5d2e4e1164d5d68fef9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8296ff3564cf29e63eb972c6eab90cdada24ef621ed5d2e4e1164d5d68fef9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8296ff3564cf29e63eb972c6eab90cdada24ef621ed5d2e4e1164d5d68fef9ff", kill_on_drop: false }`
[INFO] [stdout] 8296ff3564cf29e63eb972c6eab90cdada24ef621ed5d2e4e1164d5d68fef9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b1772549a4f8f9146f20ed4a8bf6d043f55436a85b400d420ce260ae6166ec
[INFO] running `Command { std: "docker" "start" "-a" "a9b1772549a4f8f9146f20ed4a8bf6d043f55436a85b400d420ce260ae6166ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling px4_macros v0.2.4
[INFO] [stderr]    Compiling px4 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/uorb/subscribe.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::uninitialized;
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]   --> src/logging.rs:98:58
[INFO] [stdout]    |
[INFO] [stdout] 98 |         std::panic::set_hook(Box::new(move |info: &std::panic::PanicInfo| {
[INFO] [stdout]    |                                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/uorb/subscribe.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut val = uninitialized::<T>();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uorb/subscribe.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     phantom: PhantomData<Fn() -> T>,
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     phantom: PhantomData<dyn Fn() -> T>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "a9b1772549a4f8f9146f20ed4a8bf6d043f55436a85b400d420ce260ae6166ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b1772549a4f8f9146f20ed4a8bf6d043f55436a85b400d420ce260ae6166ec", kill_on_drop: false }`
[INFO] [stdout] a9b1772549a4f8f9146f20ed4a8bf6d043f55436a85b400d420ce260ae6166ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d787a9eaa49b7c6d7af231b855521cd3141251cde7c10f6ea57f4b527e5d384f
[INFO] running `Command { std: "docker" "start" "-a" "d787a9eaa49b7c6d7af231b855521cd3141251cde7c10f6ea57f4b527e5d384f", kill_on_drop: false }`
[INFO] [stderr]    Compiling px4 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/uorb/subscribe.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::uninitialized;
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]   --> src/logging.rs:98:58
[INFO] [stdout]    |
[INFO] [stdout] 98 |         std::panic::set_hook(Box::new(move |info: &std::panic::PanicInfo| {
[INFO] [stdout]    |                                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/uorb/subscribe.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut val = uninitialized::<T>();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uorb/subscribe.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     phantom: PhantomData<Fn() -> T>,
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     phantom: PhantomData<dyn Fn() -> T>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]   --> src/logging.rs:98:58
[INFO] [stdout]    |
[INFO] [stdout] 98 |         std::panic::set_hook(Box::new(move |info: &std::panic::PanicInfo| {
[INFO] [stdout]    |                                                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/uorb/subscribe.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::uninitialized;
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/uorb/subscribe.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut val = uninitialized::<T>();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uorb/subscribe.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     phantom: PhantomData<Fn() -> T>,
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     phantom: PhantomData<dyn Fn() -> T>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> tests/message_macro/main.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     assert_eq!(offset_of!(test_message, value), 0);
[INFO] [stdout]    |                ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> tests/message_macro/main.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     assert_eq!(offset_of!(test_message, array), 8);
[INFO] [stdout]    |                ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> tests/message_macro/main.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     assert_eq!(offset_of!(test_message, array2), 32);
[INFO] [stdout]    |                -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> tests/message_macro/main.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     assert_eq!(offset_of!(test_message, value2), 34);
[INFO] [stdout]    |                -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> tests/message_macro/main.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     assert_eq!(offset_of!(test_message, ch), 35);
[INFO] [stdout]    |                ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `test_message` does not permit being left uninitialized
[INFO] [stdout]   --> tests/message_macro/main.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout] ...
[INFO] [stdout] 48 |     assert_eq!(offset_of!(test_message, value), 0);
[INFO] [stdout]    |                ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> tests/message_macro/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | #[px4_message("tests/message_macro/test.msg")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` which comes from the expansion of the attribute macro `px4_message` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `test_message` does not permit being left uninitialized
[INFO] [stdout]   --> tests/message_macro/main.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout] ...
[INFO] [stdout] 49 |     assert_eq!(offset_of!(test_message, array), 8);
[INFO] [stdout]    |                ------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> tests/message_macro/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | #[px4_message("tests/message_macro/test.msg")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` which comes from the expansion of the attribute macro `px4_message` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `test_message` does not permit being left uninitialized
[INFO] [stdout]   --> tests/message_macro/main.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout] ...
[INFO] [stdout] 50 |     assert_eq!(offset_of!(test_message, array2), 32);
[INFO] [stdout]    |                -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> tests/message_macro/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | #[px4_message("tests/message_macro/test.msg")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` which comes from the expansion of the attribute macro `px4_message` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `test_message` does not permit being left uninitialized
[INFO] [stdout]   --> tests/message_macro/main.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout] ...
[INFO] [stdout] 51 |     assert_eq!(offset_of!(test_message, value2), 34);
[INFO] [stdout]    |                -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> tests/message_macro/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | #[px4_message("tests/message_macro/test.msg")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` which comes from the expansion of the attribute macro `px4_message` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `test_message` does not permit being left uninitialized
[INFO] [stdout]   --> tests/message_macro/main.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let val: $t = unsafe { std::mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout] ...
[INFO] [stdout] 52 |     assert_eq!(offset_of!(test_message, ch), 35);
[INFO] [stdout]    |                ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> tests/message_macro/main.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | #[px4_message("tests/message_macro/test.msg")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `offset_of` which comes from the expansion of the attribute macro `px4_message` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "d787a9eaa49b7c6d7af231b855521cd3141251cde7c10f6ea57f4b527e5d384f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d787a9eaa49b7c6d7af231b855521cd3141251cde7c10f6ea57f4b527e5d384f", kill_on_drop: false }`
[INFO] [stdout] d787a9eaa49b7c6d7af231b855521cd3141251cde7c10f6ea57f4b527e5d384f
