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[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.152
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[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]   --> src/internal/view.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[cfg_attr(feature = "smallvec_viewstack", allow(dead_code))]
[INFO] [stdout]    |            ^^^^^^^^^^--------------------
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]    = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]  --> src/internal/view.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "smallvec_viewstack")]
[INFO] [stdout]   |       ^^^^^^^^^^--------------------
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]   = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]  --> src/internal/view.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "smallvec_viewstack")]
[INFO] [stdout]   |       ^^^^^^^^^^--------------------
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]   = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]   --> src/internal/view.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[cfg(feature = "smallvec_viewstack")]
[INFO] [stdout]    |       ^^^^^^^^^^--------------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]    = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]   --> src/internal/view.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(not(feature = "smallvec_viewstack"))]
[INFO] [stdout]    |           ^^^^^^^^^^--------------------
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]    = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/autobox.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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/autobox.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/conv/target.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/float.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 618 | impl_partialeq_hexstr!(&'_ str);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:609:13
[INFO] [stdout]     |
[INFO] [stdout] 609 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 618 | impl_partialeq_hexstr!(&'_ str);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 619 | impl_partialeq_hexstr!(String);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:609:13
[INFO] [stdout]     |
[INFO] [stdout] 609 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 619 | impl_partialeq_hexstr!(String);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 620 | impl_partialeq_hexstr!(std::borrow::Cow<'_, str>);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:609:13
[INFO] [stdout]     |
[INFO] [stdout] 609 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 620 | impl_partialeq_hexstr!(std::borrow::Cow<'_, str>);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/internal/offset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/offset.rs:386:5
[INFO] [stdout]     |
[INFO] [stdout] 386 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/offset.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 393 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/offset.rs:401:5
[INFO] [stdout]     |
[INFO] [stdout] 401 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/splitvec.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/splitvec.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parse/mod.rs:717:9
[INFO] [stdout]     |
[INFO] [stdout] 717 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parse/mod.rs:723:9
[INFO] [stdout]     |
[INFO] [stdout] 723 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/internal/offset.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         Vec::peek_mut(&mut self.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Stack::peek_mut(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_or` is never used
[INFO] [stdout]   --> src/internal/stack.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) trait Stack {
[INFO] [stdout]    |                  ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn pop_or(&mut self, default: Self::Item) -> Self::Item {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/float.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unsafe { std::mem::transmute::<f64, u64>(bound) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 40 -     unsafe { std::mem::transmute::<f64, u64>(bound) }
[INFO] [stdout] 40 +     unsafe { f64::to_bits(bound) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/float.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 51 |     unsafe { std::mem::transmute::<u64, f64>(bound) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 51 -     unsafe { std::mem::transmute::<u64, f64>(bound) }
[INFO] [stdout] 51 +     unsafe { f64::from_bits(bound) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> benches/write_bench.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.read_exact(&mut SAMPLE).map(|_| {
[INFO] [stdout]    |                      ^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.read_exact(&raw mut SAMPLE).map(|_| {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> benches/write_bench.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         SAMPLE.to_vec()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> benches/write_bench.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         SAMPLE.to_vec()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]   --> src/internal/view.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[cfg_attr(feature = "smallvec_viewstack", allow(dead_code))]
[INFO] [stdout]    |            ^^^^^^^^^^--------------------
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]    = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]  --> src/internal/view.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "smallvec_viewstack")]
[INFO] [stdout]   |       ^^^^^^^^^^--------------------
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]   = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]  --> src/internal/view.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "smallvec_viewstack")]
[INFO] [stdout]   |       ^^^^^^^^^^--------------------
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]   = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]   --> src/internal/view.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[cfg(feature = "smallvec_viewstack")]
[INFO] [stdout]    |       ^^^^^^^^^^--------------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]    = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `smallvec_viewstack`
[INFO] [stdout]   --> src/internal/view.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[cfg(not(feature = "smallvec_viewstack"))]
[INFO] [stdout]    |           ^^^^^^^^^^--------------------
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: there is a expected value with a similar name: `"smallvec_framestack"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `arrayvec`, `arrayvec_fixseq`, `arrayvec_limseq`, `check_complete_parse`, `check_padding`, `enc_len_estimable_override`, `expose_internal`, `implicit_hexstring`, `index_binary_formatting`, `invalid_range_checking`, `relaxed_padding_invariant`, `serde`, `serde_impls`, `smallvec`, `smallvec_framestack`, and `unfreeze_spanbuffer`
[INFO] [stdout]    = help: consider adding `smallvec_viewstack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/autobox.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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/autobox.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/builder/memo.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/conv/target.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/float.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 618 | impl_partialeq_hexstr!(&'_ str);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:609:13
[INFO] [stdout]     |
[INFO] [stdout] 609 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 618 | impl_partialeq_hexstr!(&'_ str);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 619 | impl_partialeq_hexstr!(String);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:609:13
[INFO] [stdout]     |
[INFO] [stdout] 609 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 619 | impl_partialeq_hexstr!(String);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:601:13
[INFO] [stdout]     |
[INFO] [stdout] 601 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 620 | impl_partialeq_hexstr!(std::borrow::Cow<'_, str>);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/hexstring.rs:609:13
[INFO] [stdout]     |
[INFO] [stdout] 609 |             #[must_use]
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 620 | impl_partialeq_hexstr!(std::borrow::Cow<'_, str>);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: this warning originates in the macro `impl_partialeq_hexstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/internal/offset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/offset.rs:386:5
[INFO] [stdout]     |
[INFO] [stdout] 386 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/offset.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 393 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/offset.rs:401:5
[INFO] [stdout]     |
[INFO] [stdout] 401 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/splitvec.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/internal/splitvec.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parse/mod.rs:717:9
[INFO] [stdout]     |
[INFO] [stdout] 717 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/parse/mod.rs:723:9
[INFO] [stdout]     |
[INFO] [stdout] 723 |         #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/internal/offset.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         Vec::peek_mut(&mut self.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Stack::peek_mut(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_or` is never used
[INFO] [stdout]   --> src/internal/stack.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) trait Stack {
[INFO] [stdout]    |                  ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn pop_or(&mut self, default: Self::Item) -> Self::Item {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/float.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unsafe { std::mem::transmute::<f64, u64>(bound) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 40 -     unsafe { std::mem::transmute::<f64, u64>(bound) }
[INFO] [stdout] 40 +     unsafe { f64::to_bits(bound) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/float.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 51 |     unsafe { std::mem::transmute::<u64, f64>(bound) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 51 -     unsafe { std::mem::transmute::<u64, f64>(bound) }
[INFO] [stdout] 51 +     unsafe { f64::from_bits(bound) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/float.rs:97:47
[INFO] [stdout]     |
[INFO] [stdout]  97 | ...   $crate::float::RangedFloat<{ unsafe { std::mem::transmute::<f64, u64>($min) } }, { unsafe { std::mem::transmute::<f64, u64>($...
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 | ...   const UNIT_CASES: [(RangedF64!(0.0, 1.0), &'static str); 4] = [
[INFO] [stdout]     |                           -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `RangedF64` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout]  97 -         $crate::float::RangedFloat<{ unsafe { std::mem::transmute::<f64, u64>($min) } }, { unsafe { std::mem::transmute::<f64, u64>($max) } }>
[INFO] [stdout]  97 +         $crate::float::RangedFloat<{ unsafe { f64::to_bits($min) } }, { unsafe { std::mem::transmute::<f64, u64>($max) } }>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/float.rs:97:101
[INFO] [stdout]     |
[INFO] [stdout]  97 | ...at::RangedFloat<{ unsafe { std::mem::transmute::<f64, u64>($min) } }, { unsafe { std::mem::transmute::<f64, u64>($max) } }>
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 | ...CASES: [(RangedF64!(0.0, 1.0), &'static str); 4] = [
[INFO] [stdout]     |             -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `RangedF64` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout]  97 -         $crate::float::RangedFloat<{ unsafe { std::mem::transmute::<f64, u64>($min) } }, { unsafe { std::mem::transmute::<f64, u64>($max) } }>
[INFO] [stdout]  97 +         $crate::float::RangedFloat<{ unsafe { std::mem::transmute::<f64, u64>($min) } }, { unsafe { f64::to_bits($max) } }>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.61s
[INFO] running `Command { std: "docker" "inspect" "b2448560ca30ccbacffc269ad1ea0a502626ffda0360bc5b040945530499dd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2448560ca30ccbacffc269ad1ea0a502626ffda0360bc5b040945530499dd25", kill_on_drop: false }`
[INFO] [stdout] b2448560ca30ccbacffc269ad1ea0a502626ffda0360bc5b040945530499dd25
