[INFO] fetching crate bird-protocol 0.1.3...
[INFO] checking bird-protocol-0.1.3 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate bird-protocol 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bird-protocol 0.1.3 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bird-protocol 0.1.3
[INFO] finished tweaking crates.io crate bird-protocol 0.1.3
[INFO] tweaked toml for crates.io crate bird-protocol 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bird-protocol-derive v0.1.3
[INFO] [stderr]   Downloaded fastnbt v2.5.0
[INFO] [stderr]   Downloaded bird-chat v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85f7990ac2f008fe08bd6719d26b899648c11c93d4fb650f463b3e13f17b0672
[INFO] running `Command { std: "docker" "start" "-a" "85f7990ac2f008fe08bd6719d26b899648c11c93d4fb650f463b3e13f17b0672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f7990ac2f008fe08bd6719d26b899648c11c93d4fb650f463b3e13f17b0672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f7990ac2f008fe08bd6719d26b899648c11c93d4fb650f463b3e13f17b0672", kill_on_drop: false }`
[INFO] [stdout] 85f7990ac2f008fe08bd6719d26b899648c11c93d4fb650f463b3e13f17b0672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff131ebb9682c38e885f55ccd4736ccdd03631cc301408fbfc7d638cc5fcddf5
[INFO] running `Command { std: "docker" "start" "-a" "ff131ebb9682c38e885f55ccd4736ccdd03631cc301408fbfc7d638cc5fcddf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking serde v1.0.214
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking serde_json v1.0.132
[INFO] [stderr]     Checking bird-chat v0.1.3
[INFO] [stderr]     Checking bird-protocol v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Error`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `PacketLength` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/packet_types.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub trait PacketLength {
[INFO] [stdout]     | - help: mark `PacketLength` as const: `#[const_trait]`
[INFO] [stdout] ...
[INFO] [stdout] 531 |         impl const PacketLength for $num {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 | length_impl!(u8 i8 u16 i16 u32 i32 u64 i64);
[INFO] [stdout]     | ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `length_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bird-protocol` (lib) due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bird-protocol` (lib test) due to 8 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ff131ebb9682c38e885f55ccd4736ccdd03631cc301408fbfc7d638cc5fcddf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff131ebb9682c38e885f55ccd4736ccdd03631cc301408fbfc7d638cc5fcddf5", kill_on_drop: false }`
[INFO] [stdout] ff131ebb9682c38e885f55ccd4736ccdd03631cc301408fbfc7d638cc5fcddf5
