[INFO] fetching crate resast 0.6.0-alpha.6...
[INFO] building resast-0.6.0-alpha.6 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate resast 0.6.0-alpha.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate resast 0.6.0-alpha.6
[INFO] finished tweaking crates.io crate resast 0.6.0-alpha.6
[INFO] tweaked toml for crates.io crate resast 0.6.0-alpha.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate resast 0.6.0-alpha.6 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b77434a2b06acc0a4a3cd2b35d2e17664bd576dd0448e30d018ed36591cdf65
[INFO] running `Command { std: "docker" "start" "-a" "2b77434a2b06acc0a4a3cd2b35d2e17664bd576dd0448e30d018ed36591cdf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b77434a2b06acc0a4a3cd2b35d2e17664bd576dd0448e30d018ed36591cdf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b77434a2b06acc0a4a3cd2b35d2e17664bd576dd0448e30d018ed36591cdf65", kill_on_drop: false }`
[INFO] [stdout] 2b77434a2b06acc0a4a3cd2b35d2e17664bd576dd0448e30d018ed36591cdf65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 708b8db76089f8baf7e4f48180717a98c82aacb5d1fe3d878980bb6d25ad1eeb
[INFO] running `Command { std: "docker" "start" "-a" "708b8db76089f8baf7e4f48180717a98c82aacb5d1fe3d878980bb6d25ad1eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling resast v0.6.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 311 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:343:12
[INFO] [stdout]     |
[INFO] [stdout] 343 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:353:12
[INFO] [stdout]     |
[INFO] [stdout] 353 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |     all(feature = "serde", feature = "esprima"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `esprima`
[INFO] [stdout]    --> src/lib.rs:355:28
[INFO] [stdout]     |
[INFO] [stdout] 355 |     all(feature = "serde", feature = "esprima"),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `esprima` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:366:12
[INFO] [stdout]     |
[INFO] [stdout] 366 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 425 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:434:12
[INFO] [stdout]     |
[INFO] [stdout] 434 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:447:12
[INFO] [stdout]     |
[INFO] [stdout] 447 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/decl.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:234:12
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/expr.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/expr.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:355:12
[INFO] [stdout]     |
[INFO] [stdout] 355 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:381:12
[INFO] [stdout]     |
[INFO] [stdout] 381 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:409:12
[INFO] [stdout]     |
[INFO] [stdout] 409 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 436 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:463:12
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:494:12
[INFO] [stdout]     |
[INFO] [stdout] 494 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:529:12
[INFO] [stdout]     |
[INFO] [stdout] 529 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:563:12
[INFO] [stdout]     |
[INFO] [stdout] 563 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:592:12
[INFO] [stdout]     |
[INFO] [stdout] 592 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:615:12
[INFO] [stdout]     |
[INFO] [stdout] 615 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:640:12
[INFO] [stdout]     |
[INFO] [stdout] 640 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:669:12
[INFO] [stdout]     |
[INFO] [stdout] 669 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:681:12
[INFO] [stdout]     |
[INFO] [stdout] 681 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:724:12
[INFO] [stdout]     |
[INFO] [stdout] 724 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:746:12
[INFO] [stdout]     |
[INFO] [stdout] 746 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:804:12
[INFO] [stdout]     |
[INFO] [stdout] 804 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:857:12
[INFO] [stdout]     |
[INFO] [stdout] 857 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/pat.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 239 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:362:12
[INFO] [stdout]     |
[INFO] [stdout] 362 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:419:12
[INFO] [stdout]     |
[INFO] [stdout] 419 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:452:12
[INFO] [stdout]     |
[INFO] [stdout] 452 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:472:12
[INFO] [stdout]     |
[INFO] [stdout] 472 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:507:12
[INFO] [stdout]     |
[INFO] [stdout] 507 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:544:12
[INFO] [stdout]     |
[INFO] [stdout] 544 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:573:12
[INFO] [stdout]     |
[INFO] [stdout] 573 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:608:12
[INFO] [stdout]     |
[INFO] [stdout] 608 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:675:12
[INFO] [stdout]     |
[INFO] [stdout] 675 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/decl.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/decl.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:382:12
[INFO] [stdout]     |
[INFO] [stdout] 382 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:406:12
[INFO] [stdout]     |
[INFO] [stdout] 406 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:548:12
[INFO] [stdout]     |
[INFO] [stdout] 548 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:577:12
[INFO] [stdout]     |
[INFO] [stdout] 577 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:610:12
[INFO] [stdout]     |
[INFO] [stdout] 610 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:642:12
[INFO] [stdout]     |
[INFO] [stdout] 642 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:675:12
[INFO] [stdout]     |
[INFO] [stdout] 675 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:708:12
[INFO] [stdout]     |
[INFO] [stdout] 708 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:737:12
[INFO] [stdout]     |
[INFO] [stdout] 737 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:780:12
[INFO] [stdout]     |
[INFO] [stdout] 780 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:814:12
[INFO] [stdout]     |
[INFO] [stdout] 814 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/expr.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/expr.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:379:12
[INFO] [stdout]     |
[INFO] [stdout] 379 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:423:12
[INFO] [stdout]     |
[INFO] [stdout] 423 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:456:12
[INFO] [stdout]     |
[INFO] [stdout] 456 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:508:12
[INFO] [stdout]     |
[INFO] [stdout] 508 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:547:12
[INFO] [stdout]     |
[INFO] [stdout] 547 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:590:12
[INFO] [stdout]     |
[INFO] [stdout] 590 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:636:12
[INFO] [stdout]     |
[INFO] [stdout] 636 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:669:12
[INFO] [stdout]     |
[INFO] [stdout] 669 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:740:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:785:12
[INFO] [stdout]     |
[INFO] [stdout] 785 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:817:12
[INFO] [stdout]     |
[INFO] [stdout] 817 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:848:12
[INFO] [stdout]     |
[INFO] [stdout] 848 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:878:12
[INFO] [stdout]     |
[INFO] [stdout] 878 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:912:12
[INFO] [stdout]     |
[INFO] [stdout] 912 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:948:12
[INFO] [stdout]     |
[INFO] [stdout] 948 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1000:12
[INFO] [stdout]      |
[INFO] [stdout] 1000 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1040:12
[INFO] [stdout]      |
[INFO] [stdout] 1040 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1072:12
[INFO] [stdout]      |
[INFO] [stdout] 1072 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1111:12
[INFO] [stdout]      |
[INFO] [stdout] 1111 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1155:12
[INFO] [stdout]      |
[INFO] [stdout] 1155 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1224:12
[INFO] [stdout]      |
[INFO] [stdout] 1224 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1282:12
[INFO] [stdout]      |
[INFO] [stdout] 1282 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1335:12
[INFO] [stdout]      |
[INFO] [stdout] 1335 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1372:12
[INFO] [stdout]      |
[INFO] [stdout] 1372 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1410:12
[INFO] [stdout]      |
[INFO] [stdout] 1410 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1443:12
[INFO] [stdout]      |
[INFO] [stdout] 1443 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1491:12
[INFO] [stdout]      |
[INFO] [stdout] 1491 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1544:12
[INFO] [stdout]      |
[INFO] [stdout] 1544 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1576:12
[INFO] [stdout]      |
[INFO] [stdout] 1576 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1631:12
[INFO] [stdout]      |
[INFO] [stdout] 1631 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1684:12
[INFO] [stdout]      |
[INFO] [stdout] 1684 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1716:12
[INFO] [stdout]      |
[INFO] [stdout] 1716 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1754:12
[INFO] [stdout]      |
[INFO] [stdout] 1754 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1785:12
[INFO] [stdout]      |
[INFO] [stdout] 1785 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/spanned/pat.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 233 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/stmt.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/stmt.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:464:12
[INFO] [stdout]     |
[INFO] [stdout] 464 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:504:12
[INFO] [stdout]     |
[INFO] [stdout] 504 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:545:12
[INFO] [stdout]     |
[INFO] [stdout] 545 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:589:12
[INFO] [stdout]     |
[INFO] [stdout] 589 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:634:12
[INFO] [stdout]     |
[INFO] [stdout] 634 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:678:12
[INFO] [stdout]     |
[INFO] [stdout] 678 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:724:12
[INFO] [stdout]     |
[INFO] [stdout] 724 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:765:12
[INFO] [stdout]     |
[INFO] [stdout] 765 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:797:12
[INFO] [stdout]     |
[INFO] [stdout] 797 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:829:12
[INFO] [stdout]     |
[INFO] [stdout] 829 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:872:12
[INFO] [stdout]     |
[INFO] [stdout] 872 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:914:12
[INFO] [stdout]     |
[INFO] [stdout] 914 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:966:12
[INFO] [stdout]     |
[INFO] [stdout] 966 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1014:12
[INFO] [stdout]      |
[INFO] [stdout] 1014 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1067:12
[INFO] [stdout]      |
[INFO] [stdout] 1067 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1115:12
[INFO] [stdout]      |
[INFO] [stdout] 1115 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1159:12
[INFO] [stdout]      |
[INFO] [stdout] 1159 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/spanned/tokens.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:275:12
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 320 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:415:12
[INFO] [stdout]     |
[INFO] [stdout] 415 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:441:12
[INFO] [stdout]     |
[INFO] [stdout] 441 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 102 | define_token!(As, "as");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 103 | define_token!(Async, "async");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 104 | define_token!(Await, "await");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 105 | define_token!(Break, "break");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 106 | define_token!(Case, "case");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 107 | define_token!(Catch, "catch");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 108 | define_token!(Class, "class");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 109 | define_token!(Const, "const");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 110 | define_token!(Continue, "continue");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 111 | define_token!(Debugger, "debugger");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 112 | define_token!(Default, "default");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 113 | define_token!(Delete, "delete");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 114 | define_token!(Do, "do");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 115 | define_token!(Else, "else");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 116 | define_token!(Export, "export");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 117 | define_token!(Extends, "extends");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 118 | define_token!(Finally, "finally");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 119 | define_token!(From, "from");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 120 | define_token!(Get, "get");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 121 | define_token!(False, "false");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 122 | define_token!(For, "for");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 123 | define_token!(Function, "function");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 124 | define_token!(If, "if");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 125 | define_token!(Import, "import");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 126 | define_token!(In, "in");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 127 | define_token!(InstanceOf, "instanceof");
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 128 | define_token!(Let, "let");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 129 | define_token!(New, "new");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 130 | define_token!(Null, "null");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 131 | define_token!(Of, "of");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 132 | define_token!(Return, "return");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 133 | define_token!(Set, "set");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 134 | define_token!(Static, "static");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 135 | define_token!(Super, "super");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 136 | define_token!(Switch, "switch");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 137 | define_token!(This, "this");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 138 | define_token!(Throw, "throw");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 139 | define_token!(True, "true");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 140 | define_token!(Try, "try");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 141 | define_token!(TypeOf, "typeof");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 142 | define_token!(Var, "var");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 143 | define_token!(Void, "void");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 144 | define_token!(While, "while");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 145 | define_token!(With, "with");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 146 | define_token!(Yield, "yield");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 149 | define_token!(Ampersand, "&");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 150 | define_token!(AmpersandEqual, "&=");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 151 | define_token!(Asterisk, "*");
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 152 | define_token!(AsteriskEqual, "*=");
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 153 | define_token!(BackTick, "`");
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 154 | define_token!(Bang, "!");
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 155 | define_token!(BangEqual, "!=");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 156 | define_token!(BangDoubleEqual, "!==");
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 157 | define_token!(Caret, "^");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 158 | define_token!(CaretEqual, "^=");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 159 | define_token!(CloseParen, ")");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 160 | define_token!(CloseBrace, "}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 161 | define_token!(CloseBracket, "]");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 162 | define_token!(Colon, ":");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 163 | define_token!(Comma, ",");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 164 | define_token!(DoubleAmpersand, "&&");
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 165 | define_token!(DoubleAmpersandEqual, "&&=");
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 166 | define_token!(DoubleAsterisk, "**");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 167 | define_token!(DoubleAsteriskEqual, "**=");
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 168 | define_token!(DoubleEqual, "==");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 169 | define_token!(DollarSignOpenBrace, "${");
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 170 | define_token!(DoubleGreaterThan, ">>");
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 171 | define_token!(DoubleGreaterThanEqual, ">>=");
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 172 | define_token!(DoubleLessThan, "<<");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 173 | define_token!(DoubleLessThanEqual, "<<=");
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 174 | define_token!(DoublePipe, "||");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 175 | define_token!(DoublePipeEqual, "||=");
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 176 | define_token!(DoubleQuestionmark, "??");
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 177 | define_token!(DoubleQuestionmarkEqual, "??=");
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 178 | define_token!(DoubleQuote, "\"");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 179 | define_token!(Ellipsis, "...");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 180 | define_token!(Equal, "=");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 181 | define_token!(FatArrow, "=>");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 182 | define_token!(ForwardSlash, "/");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 183 | define_token!(ForwardSlashEqual, "/=");
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 184 | define_token!(GreaterThan, ">");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 185 | define_token!(GreaterThanEqual, ">=");
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 186 | define_token!(LessThan, "<");
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 187 | define_token!(LessThanEqual, "<=");
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 188 | define_token!(Minus, "-");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 189 | define_token!(MinusEqual, "-=");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 190 | define_token!(OpenBrace, "{");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 191 | define_token!(OpenBracket, "[");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 192 | define_token!(OpenParen, "(");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 193 | define_token!(Percent, "%");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 194 | define_token!(PercentEqual, "%=");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 195 | define_token!(Period, ".");
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 196 | define_token!(Pipe, "|");
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 197 | define_token!(PipeEqual, "|=");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 198 | define_token!(Plus, "+");
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 199 | define_token!(PlusEqual, "+=");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 200 | define_token!(QuestionMark, "?");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 201 | define_token!(QuestionMarkDot, "?.");
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 202 | define_token!(Semicolon, ";");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 203 | define_token!(SingleQuote, "'");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 204 | define_token!(Tilde, "~");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 205 | define_token!(TripleEqual, "===");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 206 | define_token!(TripleGreaterThan, ">>>");
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 207 | define_token!(TripleGreaterThanEqual, ">>>=");
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 393 | define_token!(DoublePlus, "++");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 394 | define_token!(DoubleMinus, "--");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/stmt.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/stmt.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:224:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 254 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 320 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:368:12
[INFO] [stdout]     |
[INFO] [stdout] 368 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:393:12
[INFO] [stdout]     |
[INFO] [stdout] 393 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:417:12
[INFO] [stdout]     |
[INFO] [stdout] 417 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:452:12
[INFO] [stdout]     |
[INFO] [stdout] 452 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:479:12
[INFO] [stdout]     |
[INFO] [stdout] 479 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:507:12
[INFO] [stdout]     |
[INFO] [stdout] 507 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:536:12
[INFO] [stdout]     |
[INFO] [stdout] 536 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:571:12
[INFO] [stdout]     |
[INFO] [stdout] 571 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:602:12
[INFO] [stdout]     |
[INFO] [stdout] 602 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:629:12
[INFO] [stdout]     |
[INFO] [stdout] 629 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "708b8db76089f8baf7e4f48180717a98c82aacb5d1fe3d878980bb6d25ad1eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708b8db76089f8baf7e4f48180717a98c82aacb5d1fe3d878980bb6d25ad1eeb", kill_on_drop: false }`
[INFO] [stdout] 708b8db76089f8baf7e4f48180717a98c82aacb5d1fe3d878980bb6d25ad1eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e3553fc385bc98a2039840314667730e9fac108557d038b55addb7e37370081
[INFO] running `Command { std: "docker" "start" "-a" "7e3553fc385bc98a2039840314667730e9fac108557d038b55addb7e37370081", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 311 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:343:12
[INFO] [stdout]     |
[INFO] [stdout] 343 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:353:12
[INFO] [stdout]     |
[INFO] [stdout] 353 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |     all(feature = "serde", feature = "esprima"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `esprima`
[INFO] [stdout]    --> src/lib.rs:355:28
[INFO] [stdout]     |
[INFO] [stdout] 355 |     all(feature = "serde", feature = "esprima"),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `esprima` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:366:12
[INFO] [stdout]     |
[INFO] [stdout] 366 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 425 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:434:12
[INFO] [stdout]     |
[INFO] [stdout] 434 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:447:12
[INFO] [stdout]     |
[INFO] [stdout] 447 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/decl.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:234:12
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/expr.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/expr.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:355:12
[INFO] [stdout]     |
[INFO] [stdout] 355 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:381:12
[INFO] [stdout]     |
[INFO] [stdout] 381 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:409:12
[INFO] [stdout]     |
[INFO] [stdout] 409 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 436 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:463:12
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:494:12
[INFO] [stdout]     |
[INFO] [stdout] 494 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:529:12
[INFO] [stdout]     |
[INFO] [stdout] 529 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:563:12
[INFO] [stdout]     |
[INFO] [stdout] 563 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:592:12
[INFO] [stdout]     |
[INFO] [stdout] 592 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:615:12
[INFO] [stdout]     |
[INFO] [stdout] 615 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:640:12
[INFO] [stdout]     |
[INFO] [stdout] 640 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:669:12
[INFO] [stdout]     |
[INFO] [stdout] 669 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:681:12
[INFO] [stdout]     |
[INFO] [stdout] 681 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:724:12
[INFO] [stdout]     |
[INFO] [stdout] 724 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:746:12
[INFO] [stdout]     |
[INFO] [stdout] 746 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:804:12
[INFO] [stdout]     |
[INFO] [stdout] 804 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:857:12
[INFO] [stdout]     |
[INFO] [stdout] 857 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/pat.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 239 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:362:12
[INFO] [stdout]     |
[INFO] [stdout] 362 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:419:12
[INFO] [stdout]     |
[INFO] [stdout] 419 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:452:12
[INFO] [stdout]     |
[INFO] [stdout] 452 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:472:12
[INFO] [stdout]     |
[INFO] [stdout] 472 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:507:12
[INFO] [stdout]     |
[INFO] [stdout] 507 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:544:12
[INFO] [stdout]     |
[INFO] [stdout] 544 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:573:12
[INFO] [stdout]     |
[INFO] [stdout] 573 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:608:12
[INFO] [stdout]     |
[INFO] [stdout] 608 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:675:12
[INFO] [stdout]     |
[INFO] [stdout] 675 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/decl.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/decl.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:382:12
[INFO] [stdout]     |
[INFO] [stdout] 382 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:406:12
[INFO] [stdout]     |
[INFO] [stdout] 406 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:548:12
[INFO] [stdout]     |
[INFO] [stdout] 548 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:577:12
[INFO] [stdout]     |
[INFO] [stdout] 577 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:610:12
[INFO] [stdout]     |
[INFO] [stdout] 610 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:642:12
[INFO] [stdout]     |
[INFO] [stdout] 642 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:675:12
[INFO] [stdout]     |
[INFO] [stdout] 675 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:708:12
[INFO] [stdout]     |
[INFO] [stdout] 708 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:737:12
[INFO] [stdout]     |
[INFO] [stdout] 737 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:780:12
[INFO] [stdout]     |
[INFO] [stdout] 780 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:814:12
[INFO] [stdout]     |
[INFO] [stdout] 814 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/expr.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/expr.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:379:12
[INFO] [stdout]     |
[INFO] [stdout] 379 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:423:12
[INFO] [stdout]     |
[INFO] [stdout] 423 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:456:12
[INFO] [stdout]     |
[INFO] [stdout] 456 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:508:12
[INFO] [stdout]     |
[INFO] [stdout] 508 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:547:12
[INFO] [stdout]     |
[INFO] [stdout] 547 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:590:12
[INFO] [stdout]     |
[INFO] [stdout] 590 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:636:12
[INFO] [stdout]     |
[INFO] [stdout] 636 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:669:12
[INFO] [stdout]     |
[INFO] [stdout] 669 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:740:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:785:12
[INFO] [stdout]     |
[INFO] [stdout] 785 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:817:12
[INFO] [stdout]     |
[INFO] [stdout] 817 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:848:12
[INFO] [stdout]     |
[INFO] [stdout] 848 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:878:12
[INFO] [stdout]     |
[INFO] [stdout] 878 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:912:12
[INFO] [stdout]     |
[INFO] [stdout] 912 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:948:12
[INFO] [stdout]     |
[INFO] [stdout] 948 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1000:12
[INFO] [stdout]      |
[INFO] [stdout] 1000 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1040:12
[INFO] [stdout]      |
[INFO] [stdout] 1040 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1072:12
[INFO] [stdout]      |
[INFO] [stdout] 1072 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1111:12
[INFO] [stdout]      |
[INFO] [stdout] 1111 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1155:12
[INFO] [stdout]      |
[INFO] [stdout] 1155 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1224:12
[INFO] [stdout]      |
[INFO] [stdout] 1224 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1282:12
[INFO] [stdout]      |
[INFO] [stdout] 1282 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1335:12
[INFO] [stdout]      |
[INFO] [stdout] 1335 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1372:12
[INFO] [stdout]      |
[INFO] [stdout] 1372 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1410:12
[INFO] [stdout]      |
[INFO] [stdout] 1410 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1443:12
[INFO] [stdout]      |
[INFO] [stdout] 1443 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1491:12
[INFO] [stdout]      |
[INFO] [stdout] 1491 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1544:12
[INFO] [stdout]      |
[INFO] [stdout] 1544 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1576:12
[INFO] [stdout]      |
[INFO] [stdout] 1576 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1631:12
[INFO] [stdout]      |
[INFO] [stdout] 1631 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1684:12
[INFO] [stdout]      |
[INFO] [stdout] 1684 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1716:12
[INFO] [stdout]      |
[INFO] [stdout] 1716 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1754:12
[INFO] [stdout]      |
[INFO] [stdout] 1754 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1785:12
[INFO] [stdout]      |
[INFO] [stdout] 1785 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/spanned/pat.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 233 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/stmt.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/stmt.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:464:12
[INFO] [stdout]     |
[INFO] [stdout] 464 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:504:12
[INFO] [stdout]     |
[INFO] [stdout] 504 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:545:12
[INFO] [stdout]     |
[INFO] [stdout] 545 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:589:12
[INFO] [stdout]     |
[INFO] [stdout] 589 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:634:12
[INFO] [stdout]     |
[INFO] [stdout] 634 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:678:12
[INFO] [stdout]     |
[INFO] [stdout] 678 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:724:12
[INFO] [stdout]     |
[INFO] [stdout] 724 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:765:12
[INFO] [stdout]     |
[INFO] [stdout] 765 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:797:12
[INFO] [stdout]     |
[INFO] [stdout] 797 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:829:12
[INFO] [stdout]     |
[INFO] [stdout] 829 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:872:12
[INFO] [stdout]     |
[INFO] [stdout] 872 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:914:12
[INFO] [stdout]     |
[INFO] [stdout] 914 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:966:12
[INFO] [stdout]     |
[INFO] [stdout] 966 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1014:12
[INFO] [stdout]      |
[INFO] [stdout] 1014 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1067:12
[INFO] [stdout]      |
[INFO] [stdout] 1067 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1115:12
[INFO] [stdout]      |
[INFO] [stdout] 1115 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1159:12
[INFO] [stdout]      |
[INFO] [stdout] 1159 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/spanned/tokens.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:275:12
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 320 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:415:12
[INFO] [stdout]     |
[INFO] [stdout] 415 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:441:12
[INFO] [stdout]     |
[INFO] [stdout] 441 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 102 | define_token!(As, "as");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 103 | define_token!(Async, "async");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 104 | define_token!(Await, "await");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 105 | define_token!(Break, "break");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 106 | define_token!(Case, "case");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 107 | define_token!(Catch, "catch");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 108 | define_token!(Class, "class");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 109 | define_token!(Const, "const");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 110 | define_token!(Continue, "continue");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 111 | define_token!(Debugger, "debugger");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 112 | define_token!(Default, "default");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 113 | define_token!(Delete, "delete");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 114 | define_token!(Do, "do");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 115 | define_token!(Else, "else");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 116 | define_token!(Export, "export");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 117 | define_token!(Extends, "extends");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 118 | define_token!(Finally, "finally");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 119 | define_token!(From, "from");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 120 | define_token!(Get, "get");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 121 | define_token!(False, "false");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 122 | define_token!(For, "for");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 123 | define_token!(Function, "function");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 124 | define_token!(If, "if");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 125 | define_token!(Import, "import");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 126 | define_token!(In, "in");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 127 | define_token!(InstanceOf, "instanceof");
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 128 | define_token!(Let, "let");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 129 | define_token!(New, "new");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 130 | define_token!(Null, "null");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 131 | define_token!(Of, "of");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 132 | define_token!(Return, "return");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 133 | define_token!(Set, "set");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 134 | define_token!(Static, "static");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 135 | define_token!(Super, "super");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 136 | define_token!(Switch, "switch");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 137 | define_token!(This, "this");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 138 | define_token!(Throw, "throw");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 139 | define_token!(True, "true");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 140 | define_token!(Try, "try");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 141 | define_token!(TypeOf, "typeof");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 142 | define_token!(Var, "var");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 143 | define_token!(Void, "void");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 144 | define_token!(While, "while");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 145 | define_token!(With, "with");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 146 | define_token!(Yield, "yield");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 149 | define_token!(Ampersand, "&");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 150 | define_token!(AmpersandEqual, "&=");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 151 | define_token!(Asterisk, "*");
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 152 | define_token!(AsteriskEqual, "*=");
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 153 | define_token!(BackTick, "`");
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 154 | define_token!(Bang, "!");
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 155 | define_token!(BangEqual, "!=");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 156 | define_token!(BangDoubleEqual, "!==");
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 157 | define_token!(Caret, "^");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 158 | define_token!(CaretEqual, "^=");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 159 | define_token!(CloseParen, ")");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 160 | define_token!(CloseBrace, "}");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 161 | define_token!(CloseBracket, "]");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 162 | define_token!(Colon, ":");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 163 | define_token!(Comma, ",");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 164 | define_token!(DoubleAmpersand, "&&");
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 165 | define_token!(DoubleAmpersandEqual, "&&=");
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 166 | define_token!(DoubleAsterisk, "**");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 167 | define_token!(DoubleAsteriskEqual, "**=");
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 168 | define_token!(DoubleEqual, "==");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 169 | define_token!(DollarSignOpenBrace, "${");
[INFO] [stdout]     | ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 170 | define_token!(DoubleGreaterThan, ">>");
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 171 | define_token!(DoubleGreaterThanEqual, ">>=");
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 172 | define_token!(DoubleLessThan, "<<");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 173 | define_token!(DoubleLessThanEqual, "<<=");
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 174 | define_token!(DoublePipe, "||");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 175 | define_token!(DoublePipeEqual, "||=");
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 176 | define_token!(DoubleQuestionmark, "??");
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 177 | define_token!(DoubleQuestionmarkEqual, "??=");
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 178 | define_token!(DoubleQuote, "\"");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 179 | define_token!(Ellipsis, "...");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 180 | define_token!(Equal, "=");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 181 | define_token!(FatArrow, "=>");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 182 | define_token!(ForwardSlash, "/");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 183 | define_token!(ForwardSlashEqual, "/=");
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 184 | define_token!(GreaterThan, ">");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 185 | define_token!(GreaterThanEqual, ">=");
[INFO] [stdout]     | ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 186 | define_token!(LessThan, "<");
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 187 | define_token!(LessThanEqual, "<=");
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 188 | define_token!(Minus, "-");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 189 | define_token!(MinusEqual, "-=");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 190 | define_token!(OpenBrace, "{");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 191 | define_token!(OpenBracket, "[");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 192 | define_token!(OpenParen, "(");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 193 | define_token!(Percent, "%");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 194 | define_token!(PercentEqual, "%=");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 195 | define_token!(Period, ".");
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 196 | define_token!(Pipe, "|");
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 197 | define_token!(PipeEqual, "|=");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 198 | define_token!(Plus, "+");
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 199 | define_token!(PlusEqual, "+=");
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 200 | define_token!(QuestionMark, "?");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 201 | define_token!(QuestionMarkDot, "?.");
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 202 | define_token!(Semicolon, ";");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 203 | define_token!(SingleQuote, "'");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 204 | define_token!(Tilde, "~");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 205 | define_token!(TripleEqual, "===");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 206 | define_token!(TripleGreaterThan, ">>>");
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 207 | define_token!(TripleGreaterThanEqual, ">>>=");
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 393 | define_token!(DoublePlus, "++");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 394 | define_token!(DoubleMinus, "--");
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/stmt.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/stmt.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:224:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 254 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 320 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:368:12
[INFO] [stdout]     |
[INFO] [stdout] 368 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:393:12
[INFO] [stdout]     |
[INFO] [stdout] 393 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:417:12
[INFO] [stdout]     |
[INFO] [stdout] 417 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:452:12
[INFO] [stdout]     |
[INFO] [stdout] 452 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:479:12
[INFO] [stdout]     |
[INFO] [stdout] 479 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:507:12
[INFO] [stdout]     |
[INFO] [stdout] 507 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling resast v0.6.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:536:12
[INFO] [stdout]     |
[INFO] [stdout] 536 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:571:12
[INFO] [stdout]     |
[INFO] [stdout] 571 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:602:12
[INFO] [stdout]     |
[INFO] [stdout] 602 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/stmt.rs:629:12
[INFO] [stdout]     |
[INFO] [stdout] 629 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/lib.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 311 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:343:12
[INFO] [stdout]     |
[INFO] [stdout] 343 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:353:12
[INFO] [stdout]     |
[INFO] [stdout] 353 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |     all(feature = "serde", feature = "esprima"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `esprima`
[INFO] [stdout]    --> src/lib.rs:355:28
[INFO] [stdout]     |
[INFO] [stdout] 355 |     all(feature = "serde", feature = "esprima"),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `esprima` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:366:12
[INFO] [stdout]     |
[INFO] [stdout] 366 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout] 388 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 425 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:434:12
[INFO] [stdout]     |
[INFO] [stdout] 434 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:447:12
[INFO] [stdout]     |
[INFO] [stdout] 447 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/decl.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/decl.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:234:12
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/decl.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/expr.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/expr.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 235 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:355:12
[INFO] [stdout]     |
[INFO] [stdout] 355 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:381:12
[INFO] [stdout]     |
[INFO] [stdout] 381 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:409:12
[INFO] [stdout]     |
[INFO] [stdout] 409 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 436 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:463:12
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:494:12
[INFO] [stdout]     |
[INFO] [stdout] 494 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:529:12
[INFO] [stdout]     |
[INFO] [stdout] 529 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:563:12
[INFO] [stdout]     |
[INFO] [stdout] 563 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:592:12
[INFO] [stdout]     |
[INFO] [stdout] 592 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:615:12
[INFO] [stdout]     |
[INFO] [stdout] 615 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:640:12
[INFO] [stdout]     |
[INFO] [stdout] 640 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:669:12
[INFO] [stdout]     |
[INFO] [stdout] 669 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:681:12
[INFO] [stdout]     |
[INFO] [stdout] 681 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:724:12
[INFO] [stdout]     |
[INFO] [stdout] 724 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:746:12
[INFO] [stdout]     |
[INFO] [stdout] 746 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:804:12
[INFO] [stdout]     |
[INFO] [stdout] 804 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/expr.rs:857:12
[INFO] [stdout]     |
[INFO] [stdout] 857 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/pat.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/pat.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/mod.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 239 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:362:12
[INFO] [stdout]     |
[INFO] [stdout] 362 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:419:12
[INFO] [stdout]     |
[INFO] [stdout] 419 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:452:12
[INFO] [stdout]     |
[INFO] [stdout] 452 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:472:12
[INFO] [stdout]     |
[INFO] [stdout] 472 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:507:12
[INFO] [stdout]     |
[INFO] [stdout] 507 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:544:12
[INFO] [stdout]     |
[INFO] [stdout] 544 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:573:12
[INFO] [stdout]     |
[INFO] [stdout] 573 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:608:12
[INFO] [stdout]     |
[INFO] [stdout] 608 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/mod.rs:675:12
[INFO] [stdout]     |
[INFO] [stdout] 675 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/decl.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/decl.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:265:12
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:382:12
[INFO] [stdout]     |
[INFO] [stdout] 382 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:406:12
[INFO] [stdout]     |
[INFO] [stdout] 406 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:467:12
[INFO] [stdout]     |
[INFO] [stdout] 467 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:548:12
[INFO] [stdout]     |
[INFO] [stdout] 548 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:577:12
[INFO] [stdout]     |
[INFO] [stdout] 577 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:610:12
[INFO] [stdout]     |
[INFO] [stdout] 610 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:642:12
[INFO] [stdout]     |
[INFO] [stdout] 642 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:675:12
[INFO] [stdout]     |
[INFO] [stdout] 675 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:708:12
[INFO] [stdout]     |
[INFO] [stdout] 708 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:737:12
[INFO] [stdout]     |
[INFO] [stdout] 737 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:780:12
[INFO] [stdout]     |
[INFO] [stdout] 780 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/decl.rs:814:12
[INFO] [stdout]     |
[INFO] [stdout] 814 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/expr.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/expr.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 317 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:379:12
[INFO] [stdout]     |
[INFO] [stdout] 379 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:423:12
[INFO] [stdout]     |
[INFO] [stdout] 423 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:456:12
[INFO] [stdout]     |
[INFO] [stdout] 456 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:508:12
[INFO] [stdout]     |
[INFO] [stdout] 508 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:547:12
[INFO] [stdout]     |
[INFO] [stdout] 547 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:590:12
[INFO] [stdout]     |
[INFO] [stdout] 590 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:636:12
[INFO] [stdout]     |
[INFO] [stdout] 636 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:669:12
[INFO] [stdout]     |
[INFO] [stdout] 669 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:702:12
[INFO] [stdout]     |
[INFO] [stdout] 702 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:740:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:785:12
[INFO] [stdout]     |
[INFO] [stdout] 785 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:817:12
[INFO] [stdout]     |
[INFO] [stdout] 817 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:848:12
[INFO] [stdout]     |
[INFO] [stdout] 848 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:878:12
[INFO] [stdout]     |
[INFO] [stdout] 878 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:912:12
[INFO] [stdout]     |
[INFO] [stdout] 912 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/expr.rs:948:12
[INFO] [stdout]     |
[INFO] [stdout] 948 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1000:12
[INFO] [stdout]      |
[INFO] [stdout] 1000 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1040:12
[INFO] [stdout]      |
[INFO] [stdout] 1040 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1072:12
[INFO] [stdout]      |
[INFO] [stdout] 1072 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1111:12
[INFO] [stdout]      |
[INFO] [stdout] 1111 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1155:12
[INFO] [stdout]      |
[INFO] [stdout] 1155 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1224:12
[INFO] [stdout]      |
[INFO] [stdout] 1224 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1282:12
[INFO] [stdout]      |
[INFO] [stdout] 1282 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1335:12
[INFO] [stdout]      |
[INFO] [stdout] 1335 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1372:12
[INFO] [stdout]      |
[INFO] [stdout] 1372 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1410:12
[INFO] [stdout]      |
[INFO] [stdout] 1410 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1443:12
[INFO] [stdout]      |
[INFO] [stdout] 1443 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1491:12
[INFO] [stdout]      |
[INFO] [stdout] 1491 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1544:12
[INFO] [stdout]      |
[INFO] [stdout] 1544 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1576:12
[INFO] [stdout]      |
[INFO] [stdout] 1576 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1631:12
[INFO] [stdout]      |
[INFO] [stdout] 1631 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1684:12
[INFO] [stdout]      |
[INFO] [stdout] 1684 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1716:12
[INFO] [stdout]      |
[INFO] [stdout] 1716 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1754:12
[INFO] [stdout]      |
[INFO] [stdout] 1754 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/expr.rs:1785:12
[INFO] [stdout]      |
[INFO] [stdout] 1785 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/spanned/pat.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/pat.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/pat.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 233 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/stmt.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]   --> src/spanned/stmt.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:422:12
[INFO] [stdout]     |
[INFO] [stdout] 422 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:464:12
[INFO] [stdout]     |
[INFO] [stdout] 464 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:504:12
[INFO] [stdout]     |
[INFO] [stdout] 504 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:545:12
[INFO] [stdout]     |
[INFO] [stdout] 545 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:589:12
[INFO] [stdout]     |
[INFO] [stdout] 589 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:634:12
[INFO] [stdout]     |
[INFO] [stdout] 634 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:678:12
[INFO] [stdout]     |
[INFO] [stdout] 678 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:724:12
[INFO] [stdout]     |
[INFO] [stdout] 724 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:765:12
[INFO] [stdout]     |
[INFO] [stdout] 765 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:797:12
[INFO] [stdout]     |
[INFO] [stdout] 797 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:829:12
[INFO] [stdout]     |
[INFO] [stdout] 829 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:872:12
[INFO] [stdout]     |
[INFO] [stdout] 872 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:914:12
[INFO] [stdout]     |
[INFO] [stdout] 914 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/stmt.rs:966:12
[INFO] [stdout]     |
[INFO] [stdout] 966 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1014:12
[INFO] [stdout]      |
[INFO] [stdout] 1014 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1067:12
[INFO] [stdout]      |
[INFO] [stdout] 1067 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1115:12
[INFO] [stdout]      |
[INFO] [stdout] 1115 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]     --> src/spanned/stmt.rs:1159:12
[INFO] [stdout]      |
[INFO] [stdout] 1159 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]  --> src/spanned/tokens.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "serde")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:275:12
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 320 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:397:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:415:12
[INFO] [stdout]     |
[INFO] [stdout] 415 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:441:12
[INFO] [stdout]     |
[INFO] [stdout] 441 | #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 102 | define_token!(As, "as");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 103 | define_token!(Async, "async");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 104 | define_token!(Await, "await");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 105 | define_token!(Break, "break");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 106 | define_token!(Case, "case");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 107 | define_token!(Catch, "catch");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 108 | define_token!(Class, "class");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 109 | define_token!(Const, "const");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 110 | define_token!(Continue, "continue");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 111 | define_token!(Debugger, "debugger");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 112 | define_token!(Default, "default");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 113 | define_token!(Delete, "delete");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 114 | define_token!(Do, "do");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 115 | define_token!(Else, "else");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 116 | define_token!(Export, "export");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 117 | define_token!(Extends, "extends");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 118 | define_token!(Finally, "finally");
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 119 | define_token!(From, "from");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 120 | define_token!(Get, "get");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 121 | define_token!(False, "false");
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 122 | define_token!(For, "for");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 123 | define_token!(Function, "function");
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 124 | define_token!(If, "if");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 125 | define_token!(Import, "import");
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 126 | define_token!(In, "in");
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 127 | define_token!(InstanceOf, "instanceof");
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 128 | define_token!(Let, "let");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 129 | define_token!(New, "new");
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 130 | define_token!(Null, "null");
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `define_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/spanned/tokens.rs:76:20
[INFO] [stdout]     |
[INFO] [stdout]  76 |         #[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout] ...
[INFO] [stdout] 131 | define_token!(Of, "of");
[WARN] too many lines in the log, truncating it
