[INFO] fetching crate proc-macro-utils 0.10.0...
[INFO] building proc-macro-utils-0.10.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate proc-macro-utils 0.10.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate proc-macro-utils 0.10.0
[INFO] finished tweaking crates.io crate proc-macro-utils 0.10.0
[INFO] tweaked toml for crates.io crate proc-macro-utils 0.10.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro-utils 0.10.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e428fb467315b18b20ec370b0fab1f7f45010eefea73449398d46dcd7c874b64
[INFO] running `Command { std: "docker" "start" "-a" "e428fb467315b18b20ec370b0fab1f7f45010eefea73449398d46dcd7c874b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e428fb467315b18b20ec370b0fab1f7f45010eefea73449398d46dcd7c874b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e428fb467315b18b20ec370b0fab1f7f45010eefea73449398d46dcd7c874b64", kill_on_drop: false }`
[INFO] [stdout] e428fb467315b18b20ec370b0fab1f7f45010eefea73449398d46dcd7c874b64
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 664509a3ff6708f36fa9ea2c2df29c07a4b8ffc8be6e6d9f90b48a5242988ffb
[INFO] running `Command { std: "docker" "start" "-a" "664509a3ff6708f36fa9ea2c2df29c07a4b8ffc8be6e6d9f90b48a5242988ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/parser.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "664509a3ff6708f36fa9ea2c2df29c07a4b8ffc8be6e6d9f90b48a5242988ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664509a3ff6708f36fa9ea2c2df29c07a4b8ffc8be6e6d9f90b48a5242988ffb", kill_on_drop: false }`
[INFO] [stdout] 664509a3ff6708f36fa9ea2c2df29c07a4b8ffc8be6e6d9f90b48a5242988ffb
[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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37daa201248119d9c53abaf18aba6525b1cc065c8f97a6e59975cec790afe3d0
[INFO] running `Command { std: "docker" "start" "-a" "37daa201248119d9c53abaf18aba6525b1cc065c8f97a6e59975cec790afe3d0", kill_on_drop: false }`
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/parser.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/parser.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parser.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 188 | / token_tree_ext!(
[INFO] [stdout] 189 | |     "a", "group", is_group, group, into_group, Group;
[INFO] [stdout] 190 | |     "an", "ident", is_ident, ident, into_ident, Ident;
[INFO] [stdout] 191 | |     "a", "punctuation", is_punct, punct, into_punct, Punct;
[INFO] [stdout] 192 | |     "a", "literal", is_literal, literal, into_literal, Literal;
[INFO] [stdout] 193 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `token_tree_ext` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 249 | / punctuations![
[INFO] [stdout] 250 | |     '=' as is_equals,
[INFO] [stdout] 251 | |     '<' as is_less_than,
[INFO] [stdout] 252 | |     '>' as is_greater_than,
[INFO] [stdout] ...   |
[INFO] [stdout] 271 | |     '\'' as is_quote // TODO naming
[INFO] [stdout] 272 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `punctuations` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 296 | / delimited![
[INFO] [stdout] 297 | |     Parenthesis as is_parenthesized: " parentheses (`( ... )`)",
[INFO] [stdout] 298 | |     Brace as is_braced: " braces (`{ ... }`)",
[INFO] [stdout] 299 | |     Bracket as is_bracketed: " brackets (`[ ... ]`)",
[INFO] [stdout] 300 | |     None as is_implicitly_delimited: " no delimiters (`Ø ... Ø`)"
[INFO] [stdout] 301 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `delimited` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout]  53 |           $(#$attr)* $($item)+
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 303 | / impl_via_trait! {
[INFO] [stdout] 304 | |     /// Trait to parse literals
[INFO] [stdout] 305 | |     impl TokenTreeLiteral for TokenTree {
[INFO] [stdout] 306 | |         /// Tests if the token is a string literal.
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: this warning originates in the macro `attr` which comes from the expansion of the macro `impl_via_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "37daa201248119d9c53abaf18aba6525b1cc065c8f97a6e59975cec790afe3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37daa201248119d9c53abaf18aba6525b1cc065c8f97a6e59975cec790afe3d0", kill_on_drop: false }`
[INFO] [stdout] 37daa201248119d9c53abaf18aba6525b1cc065c8f97a6e59975cec790afe3d0