[INFO] fetching crate graphql_rs_native 0.0.1...
[INFO] checking graphql_rs_native-0.0.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate graphql_rs_native 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate graphql_rs_native 0.0.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphql_rs_native 0.0.1
[INFO] finished tweaking crates.io crate graphql_rs_native 0.0.1
[INFO] tweaked toml for crates.io crate graphql_rs_native 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3d12e28834895f4966d7d1b46e9523191981677b342068f64456841bc17f53
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b3d12e28834895f4966d7d1b46e9523191981677b342068f64456841bc17f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3d12e28834895f4966d7d1b46e9523191981677b342068f64456841bc17f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3d12e28834895f4966d7d1b46e9523191981677b342068f64456841bc17f53", kill_on_drop: false }`
[INFO] [stdout] 6b3d12e28834895f4966d7d1b46e9523191981677b342068f64456841bc17f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3df4c5122dc749046703d5c2432c57bfad0f70e7c76db6169ac197c77b4d069d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3df4c5122dc749046703d5c2432c57bfad0f70e7c76db6169ac197c77b4d069d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking graphql_rs_native v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 67 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 75 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 82 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 90 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:96:3
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 97 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:119:3
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 120 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:131:3
[INFO] [stdout]     |
[INFO] [stdout] 131 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 132 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:138:3
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 139 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:145:3
[INFO] [stdout]     |
[INFO] [stdout] 145 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 146 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:153:3
[INFO] [stdout]     |
[INFO] [stdout] 153 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 154 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:165:3
[INFO] [stdout]     |
[INFO] [stdout] 165 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 166 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:174:3
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 175 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:182:3
[INFO] [stdout]     |
[INFO] [stdout] 182 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 183 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:193:3
[INFO] [stdout]     |
[INFO] [stdout] 193 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 194 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:210:3
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 211 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:224:3
[INFO] [stdout]     |
[INFO] [stdout] 224 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 225 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:231:3
[INFO] [stdout]     |
[INFO] [stdout] 231 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 232 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:238:3
[INFO] [stdout]     |
[INFO] [stdout] 238 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 239 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:246:3
[INFO] [stdout]     |
[INFO] [stdout] 246 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 247 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:253:3
[INFO] [stdout]     |
[INFO] [stdout] 253 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 254 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:259:3
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 260 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:266:3
[INFO] [stdout]     |
[INFO] [stdout] 266 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 267 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:273:3
[INFO] [stdout]     |
[INFO] [stdout] 273 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 274 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:280:3
[INFO] [stdout]     |
[INFO] [stdout] 280 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 281 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:289:3
[INFO] [stdout]     |
[INFO] [stdout] 289 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 290 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:298:3
[INFO] [stdout]     |
[INFO] [stdout] 298 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 299 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:306:3
[INFO] [stdout]     |
[INFO] [stdout] 306 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 307 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:313:3
[INFO] [stdout]     |
[INFO] [stdout] 313 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 314 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:321:3
[INFO] [stdout]     |
[INFO] [stdout] 321 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 322 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:328:3
[INFO] [stdout]     |
[INFO] [stdout] 328 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 329 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:337:3
[INFO] [stdout]     |
[INFO] [stdout] 337 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 338 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:345:3
[INFO] [stdout]     |
[INFO] [stdout] 345 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 346 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:354:3
[INFO] [stdout]     |
[INFO] [stdout] 354 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 355 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:364:3
[INFO] [stdout]     |
[INFO] [stdout] 364 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 365 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:375:3
[INFO] [stdout]     |
[INFO] [stdout] 375 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 376 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:384:3
[INFO] [stdout]     |
[INFO] [stdout] 384 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 385 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:395:3
[INFO] [stdout]     |
[INFO] [stdout] 395 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 396 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:407:3
[INFO] [stdout]     |
[INFO] [stdout] 407 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 408 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:420:3
[INFO] [stdout]     |
[INFO] [stdout] 420 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 421 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:430:3
[INFO] [stdout]     |
[INFO] [stdout] 430 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 431 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:440:3
[INFO] [stdout]     |
[INFO] [stdout] 440 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 441 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:450:3
[INFO] [stdout]     |
[INFO] [stdout] 450 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 451 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:459:3
[INFO] [stdout]     |
[INFO] [stdout] 459 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 460 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:470:3
[INFO] [stdout]     |
[INFO] [stdout] 470 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 471 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:481:3
[INFO] [stdout]     |
[INFO] [stdout] 481 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 482 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:488:3
[INFO] [stdout]     |
[INFO] [stdout] 488 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 489 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:498:3
[INFO] [stdout]     |
[INFO] [stdout] 498 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 499 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:509:3
[INFO] [stdout]     |
[INFO] [stdout] 509 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 510 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:517:3
[INFO] [stdout]     |
[INFO] [stdout] 517 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 518 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:527:3
[INFO] [stdout]     |
[INFO] [stdout] 527 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 528 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:536:3
[INFO] [stdout]     |
[INFO] [stdout] 536 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 537 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:545:3
[INFO] [stdout]     |
[INFO] [stdout] 545 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 546 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:554:3
[INFO] [stdout]     |
[INFO] [stdout] 554 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 555 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 67 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 75 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 82 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 90 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/language/ast.rs:96:3
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[serde(tag="kind")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 97 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            --------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:119:3
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 120 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:131:3
[INFO] [stdout]     |
[INFO] [stdout] 131 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 132 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:138:3
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 139 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:145:3
[INFO] [stdout]     |
[INFO] [stdout] 145 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 146 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:153:3
[INFO] [stdout]     |
[INFO] [stdout] 153 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 154 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:165:3
[INFO] [stdout]     |
[INFO] [stdout] 165 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 166 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:174:3
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 175 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:182:3
[INFO] [stdout]     |
[INFO] [stdout] 182 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 183 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:193:3
[INFO] [stdout]     |
[INFO] [stdout] 193 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 194 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:210:3
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 211 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:224:3
[INFO] [stdout]     |
[INFO] [stdout] 224 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 225 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:231:3
[INFO] [stdout]     |
[INFO] [stdout] 231 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 232 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:238:3
[INFO] [stdout]     |
[INFO] [stdout] 238 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 239 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:246:3
[INFO] [stdout]     |
[INFO] [stdout] 246 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 247 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:253:3
[INFO] [stdout]     |
[INFO] [stdout] 253 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 254 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:259:3
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 260 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:266:3
[INFO] [stdout]     |
[INFO] [stdout] 266 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 267 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:273:3
[INFO] [stdout]     |
[INFO] [stdout] 273 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 274 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:280:3
[INFO] [stdout]     |
[INFO] [stdout] 280 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 281 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:289:3
[INFO] [stdout]     |
[INFO] [stdout] 289 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 290 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:298:3
[INFO] [stdout]     |
[INFO] [stdout] 298 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 299 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:306:3
[INFO] [stdout]     |
[INFO] [stdout] 306 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 307 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:313:3
[INFO] [stdout]     |
[INFO] [stdout] 313 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 314 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:321:3
[INFO] [stdout]     |
[INFO] [stdout] 321 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 322 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:328:3
[INFO] [stdout]     |
[INFO] [stdout] 328 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 329 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:337:3
[INFO] [stdout]     |
[INFO] [stdout] 337 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 338 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:345:3
[INFO] [stdout]     |
[INFO] [stdout] 345 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 346 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:354:3
[INFO] [stdout]     |
[INFO] [stdout] 354 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 355 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:364:3
[INFO] [stdout]     |
[INFO] [stdout] 364 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 365 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:375:3
[INFO] [stdout]     |
[INFO] [stdout] 375 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 376 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:384:3
[INFO] [stdout]     |
[INFO] [stdout] 384 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 385 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:395:3
[INFO] [stdout]     |
[INFO] [stdout] 395 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 396 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:407:3
[INFO] [stdout]     |
[INFO] [stdout] 407 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 408 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:420:3
[INFO] [stdout]     |
[INFO] [stdout] 420 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 421 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:430:3
[INFO] [stdout]     |
[INFO] [stdout] 430 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 431 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:440:3
[INFO] [stdout]     |
[INFO] [stdout] 440 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 441 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:450:3
[INFO] [stdout]     |
[INFO] [stdout] 450 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 451 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:459:3
[INFO] [stdout]     |
[INFO] [stdout] 459 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 460 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:470:3
[INFO] [stdout]     |
[INFO] [stdout] 470 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 471 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:481:3
[INFO] [stdout]     |
[INFO] [stdout] 481 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 482 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:488:3
[INFO] [stdout]     |
[INFO] [stdout] 488 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 489 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:498:3
[INFO] [stdout]     |
[INFO] [stdout] 498 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 499 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:509:3
[INFO] [stdout]     |
[INFO] [stdout] 509 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 510 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:517:3
[INFO] [stdout]     |
[INFO] [stdout] 517 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 518 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:527:3
[INFO] [stdout]     |
[INFO] [stdout] 527 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 528 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:536:3
[INFO] [stdout]     |
[INFO] [stdout] 536 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 537 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:545:3
[INFO] [stdout]     |
[INFO] [stdout] 545 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 546 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/language/ast.rs:554:3
[INFO] [stdout]     |
[INFO] [stdout] 554 | #[serde(tag="kind")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 555 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]     |                            --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "3df4c5122dc749046703d5c2432c57bfad0f70e7c76db6169ac197c77b4d069d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df4c5122dc749046703d5c2432c57bfad0f70e7c76db6169ac197c77b4d069d", kill_on_drop: false }`
[INFO] [stdout] 3df4c5122dc749046703d5c2432c57bfad0f70e7c76db6169ac197c77b4d069d