diff --git a/src/civil/date.rs b/src/civil/date.rs
index 79d84fc0..ee56cbe7 100644
--- a/src/civil/date.rs
+++ b/src/civil/date.rs
@@ -1367,8 +1367,6 @@ impl Date {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1382,8 +1380,6 @@ impl Date {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1475,8 +1471,6 @@ impl Date {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1490,8 +1484,6 @@ impl Date {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1543,8 +1535,6 @@ impl Date {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1557,8 +1547,6 @@ impl Date {
     /// # Example: saturation on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1616,8 +1604,6 @@ impl Date {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1630,8 +1616,6 @@ impl Date {
     /// # Example: saturation on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let d = Date::constant(2024, 3, 31);
@@ -1685,8 +1669,6 @@ impl Date {
     /// # Examples
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let earlier = Date::constant(2006, 8, 24);
@@ -1857,8 +1839,6 @@ impl Date {
     /// # Examples
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Date, ToSpan};
     ///
     /// let earlier = Date::constant(2006, 8, 24);
@@ -2055,8 +2035,6 @@ impl Date {
     /// When did the most recent Friday the 13th occur?
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::{Date, Weekday}, ToSpan};
     ///
     /// let start = Date::constant(2024, 3, 13);
@@ -2711,8 +2689,6 @@ impl DateDifference {
     /// This shows how to always round "up" towards positive infinity.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::{Date, DateDifference}, RoundMode, ToSpan, Unit};
     ///
     /// let d1 = "2024-01-15".parse::<Date>()?;
diff --git a/src/civil/datetime.rs b/src/civil/datetime.rs
index c764572b..327b68a3 100644
--- a/src/civil/datetime.rs
+++ b/src/civil/datetime.rs
@@ -1482,8 +1482,6 @@ impl DateTime {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(19, 5, 59, 999_999_999);
@@ -1498,8 +1496,6 @@ impl DateTime {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(13, 13, 13, 13);
@@ -1585,8 +1581,6 @@ impl DateTime {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(19, 5, 59, 999_999_999);
@@ -1601,8 +1595,6 @@ impl DateTime {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(13, 13, 13, 13);
@@ -1650,8 +1642,6 @@ impl DateTime {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(19, 5, 59, 999_999_999);
@@ -1664,8 +1654,6 @@ impl DateTime {
     /// # Example: saturation on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::{DateTime, date}, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(13, 13, 13, 13);
@@ -1720,8 +1708,6 @@ impl DateTime {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(19, 5, 59, 999_999_999);
@@ -1734,8 +1720,6 @@ impl DateTime {
     /// # Example: saturation on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::{DateTime, date}, ToSpan};
     ///
     /// let dt = date(2024, 3, 31).at(13, 13, 13, 13);
@@ -1796,8 +1780,6 @@ impl DateTime {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let earlier = date(2006, 8, 24).at(22, 30, 0, 0);
@@ -1968,8 +1950,6 @@ impl DateTime {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let earlier = date(2006, 8, 24).at(22, 30, 0, 0);
diff --git a/src/civil/time.rs b/src/civil/time.rs
index 5e5025b7..37c512d3 100644
--- a/src/civil/time.rs
+++ b/src/civil/time.rs
@@ -1180,8 +1180,6 @@ impl Time {
     /// # Examples
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Time, ToSpan};
     ///
     /// let t1 = Time::constant(22, 35, 1, 0);
@@ -1269,8 +1267,6 @@ impl Time {
     /// # Examples
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Time, ToSpan};
     ///
     /// let t1 = Time::constant(22, 35, 1, 0);
@@ -1472,8 +1468,6 @@ impl Time {
     /// Or go backwards every 6.5 hours:
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::Time, ToSpan};
     ///
     /// let start = Time::constant(23, 0, 0, 0);
diff --git a/src/lib.rs b/src/lib.rs
index 299837ae..9e07fe77 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -606,6 +606,8 @@ specifiers and other APIs.
 #![deny(missing_docs)]
 // See: https://github.com/rust-lang/rust/pull/121364
 #![allow(unknown_lints, ambiguous_negative_literals)]
+// See: https://github.com/rust-lang/rust/pull/121364
+#![doc(test(attr(allow(unknown_lints, ambiguous_negative_literals))))]
 
 // It should be possible to support other pointer widths, but this library
 // hasn't been tested nor thought about much in contexts with pointers less
diff --git a/src/span.rs b/src/span.rs
index 52d1ce9a..528b4880 100644
--- a/src/span.rs
+++ b/src/span.rs
@@ -95,8 +95,6 @@ use crate::{
 /// A span may be negative. All of these are equivalent:
 ///
 /// ```
-/// # // See: https://github.com/rust-lang/rust/pull/121364
-/// # #![allow(unknown_lints, ambiguous_negative_literals)]
 /// use jiff::{Span, ToSpan};
 ///
 /// let span = -Span::new().days(5);
@@ -125,8 +123,6 @@ use crate::{
 /// then all of its units are negative:
 ///
 /// ```
-/// # // See: https://github.com/rust-lang/rust/pull/121364
-/// # #![allow(unknown_lints, ambiguous_negative_literals)]
 /// use jiff::ToSpan;
 ///
 /// let span = -5.days().hours(10).minutes(1);
@@ -139,8 +135,6 @@ use crate::{
 /// as negative:
 ///
 /// ```
-/// # // See: https://github.com/rust-lang/rust/pull/121364
-/// # #![allow(unknown_lints, ambiguous_negative_literals)]
 /// use jiff::ToSpan;
 ///
 /// // It's the same thing.
@@ -552,8 +546,6 @@ use crate::{
 /// span positive before converting it to a `Duration`:
 ///
 /// ```
-/// # // See: https://github.com/rust-lang/rust/pull/121364
-/// # #![allow(unknown_lints, ambiguous_negative_literals)]
 /// use std::time::Duration;
 ///
 /// use jiff::{Span, ToSpan};
@@ -1165,8 +1157,6 @@ impl Span {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::ToSpan;
     ///
     /// let span = -100.seconds();
@@ -1232,8 +1222,6 @@ impl Span {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::ToSpan;
     ///
     /// assert!(!2.months().is_negative());
@@ -1251,8 +1239,6 @@ impl Span {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::ToSpan;
     ///
     /// assert!(!2.months().is_negative());
@@ -1289,8 +1275,6 @@ impl Span {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::ToSpan;
     ///
     /// let span = 4.days().seconds(8);
@@ -1312,8 +1296,6 @@ impl Span {
     /// happens on overflow.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::ToSpan;
     ///
     /// let span = 4.days().seconds(8);
@@ -1678,8 +1660,6 @@ impl Span {
     /// # Example: negative spans are less than zero
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::ToSpan;
     ///
     /// let span1 = -1.second();
@@ -2080,8 +2060,6 @@ impl Span {
     /// the span positive before converting it to a `Duration`:
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use std::time::Duration;
     ///
     /// use jiff::{civil::date, Span, ToSpan};
@@ -2984,8 +2962,6 @@ impl core::ops::Mul<Span> for i64 {
 /// span positive before converting it to a `Duration`:
 ///
 /// ```
-/// # // See: https://github.com/rust-lang/rust/pull/121364
-/// # #![allow(unknown_lints, ambiguous_negative_literals)]
 /// use std::time::Duration;
 ///
 /// use jiff::{Span, ToSpan};
@@ -3235,8 +3211,6 @@ impl quickcheck::Arbitrary for Span {
 /// # Example
 ///
 /// ```
-/// # // See: https://github.com/rust-lang/rust/pull/121364
-/// # #![allow(unknown_lints, ambiguous_negative_literals)]
 /// use jiff::ToSpan;
 ///
 /// assert_eq!(5.days().to_string(), "P5d");
diff --git a/src/timestamp.rs b/src/timestamp.rs
index 5d13ec79..11fdd390 100644
--- a/src/timestamp.rs
+++ b/src/timestamp.rs
@@ -1223,8 +1223,6 @@ impl Timestamp {
     /// as subtracting `5` hours from the Unix epoch.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// let ts = Timestamp::UNIX_EPOCH.checked_add(-5.hours())?;
@@ -1253,8 +1251,6 @@ impl Timestamp {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// let ts = Timestamp::MAX;
@@ -1327,8 +1323,6 @@ impl Timestamp {
     /// same as adding `5` hours from the Unix epoch.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// let ts = Timestamp::UNIX_EPOCH.checked_sub(-5.hours())?;
@@ -1357,8 +1351,6 @@ impl Timestamp {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// let ts = Timestamp::MIN;
@@ -1414,8 +1406,6 @@ impl Timestamp {
     /// This example shows that arithmetic saturates on overflow.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// assert_eq!(
@@ -1460,8 +1450,6 @@ impl Timestamp {
     /// This example shows that arithmetic saturates on overflow.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// assert_eq!(
@@ -1529,8 +1517,6 @@ impl Timestamp {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// let earlier: Timestamp = "2006-08-24T22:30:00Z".parse()?;
@@ -1676,8 +1662,6 @@ impl Timestamp {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{Timestamp, ToSpan};
     ///
     /// let earlier: Timestamp = "2006-08-24T22:30:00Z".parse()?;
diff --git a/src/tz/offset.rs b/src/tz/offset.rs
index 7faec35b..75d82df7 100644
--- a/src/tz/offset.rs
+++ b/src/tz/offset.rs
@@ -568,8 +568,6 @@ impl Offset {
     /// This example shows some cases where checked addition will fail.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{tz::Offset, ToSpan};
     ///
     /// // Adding units above 'hour' always results in an error.
@@ -649,8 +647,6 @@ impl Offset {
     /// This example shows some cases where checked subtraction will fail.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{tz::Offset, ToSpan};
     ///
     /// // Subtracting units above 'hour' always results in an error.
@@ -679,8 +675,6 @@ impl Offset {
     /// This example shows some cases where saturation will occur.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{tz::Offset, ToSpan};
     ///
     /// // Adding units above 'day' always results in saturation.
@@ -715,8 +709,6 @@ impl Offset {
     /// This example shows some cases where saturation will occur.
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{tz::Offset, ToSpan};
     ///
     /// // Adding units above 'day' always results in saturation.
diff --git a/src/zoned.rs b/src/zoned.rs
index d41adcc4..99da058c 100644
--- a/src/zoned.rs
+++ b/src/zoned.rs
@@ -1996,8 +1996,6 @@ impl Zoned {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31)
@@ -2016,8 +2014,6 @@ impl Zoned {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31).at(13, 13, 13, 13).intz("America/New_York")?;
@@ -2226,8 +2222,6 @@ impl Zoned {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31)
@@ -2246,8 +2240,6 @@ impl Zoned {
     /// # Example: error on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31).at(13, 13, 13, 13).intz("America/New_York")?;
@@ -2313,8 +2305,6 @@ impl Zoned {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31)
@@ -2333,8 +2323,6 @@ impl Zoned {
     /// # Example: saturation on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, Timestamp, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31).at(13, 13, 13, 13).intz("America/New_York")?;
@@ -2407,8 +2395,6 @@ impl Zoned {
     /// # Example: negative spans are supported
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31)
@@ -2427,8 +2413,6 @@ impl Zoned {
     /// # Example: saturation on overflow
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, Timestamp, ToSpan};
     ///
     /// let zdt = date(2024, 3, 31).at(13, 13, 13, 13).intz("America/New_York")?;
@@ -2499,8 +2483,6 @@ impl Zoned {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let earlier = date(2006, 8, 24).at(22, 30, 0, 0).intz("America/New_York")?;
@@ -2693,8 +2675,6 @@ impl Zoned {
     /// # Example
     ///
     /// ```
-    /// # // See: https://github.com/rust-lang/rust/pull/121364
-    /// # #![allow(unknown_lints, ambiguous_negative_literals)]
     /// use jiff::{civil::date, ToSpan};
     ///
     /// let earlier = date(2006, 8, 24).at(22, 30, 0, 0).intz("America/New_York")?;