[INFO] fetching crate ranges 0.3.1...
[INFO] documenting ranges-0.3.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate ranges 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ranges 0.3.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ranges 0.3.1
[INFO] finished tweaking crates.io crate ranges 0.3.1
[INFO] tweaked toml for crates.io crate ranges 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1366e79f92f43cb55b4771b95ec00938de7f1c04aeaaafe0cf206c721a9962d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1366e79f92f43cb55b4771b95ec00938de7f1c04aeaaafe0cf206c721a9962d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1366e79f92f43cb55b4771b95ec00938de7f1c04aeaaafe0cf206c721a9962d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1366e79f92f43cb55b4771b95ec00938de7f1c04aeaaafe0cf206c721a9962d", kill_on_drop: false }`
[INFO] [stdout] c1366e79f92f43cb55b4771b95ec00938de7f1c04aeaaafe0cf206c721a9962d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7217c6727d4c57b9d5a77b1867459c5adc92e9633ceeab31aab6e53cd51611e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7217c6727d4c57b9d5a77b1867459c5adc92e9633ceeab31aab6e53cd51611e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ranges v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/contains.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Returns true if the given `item` is contained in the range.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Example
[INFO] [stdout] 9  | |     ///```
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |     /// assert!(range.contains(&3));
[INFO] [stdout] 14 | |     ///```
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     rustdoc,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_doc_tests)]` implied by `#[warn(rustdoc)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/difference.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Returns the difference of two ranges.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Examples
[INFO] [stdout] 9  | |     ///```
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     /// assert_eq!(range - range2, OperationResult::Double((1..3).into(), (5..=10).into()));
[INFO] [stdout] 29 | |     ///```
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/empty.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Returns true if the range is empty.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Examples
[INFO] [stdout] 9  | |     /// ```
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     /// assert!(!GenericRange::from(1..2).is_empty());
[INFO] [stdout] 15 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/intersect.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Results in either a single or, if the inputs are disjoint, empty range.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Note
[INFO] [stdout] 9  | |     /// The `OperationResult::Double` discriminant can safely be marked `unreachable!()` when
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     /// assert_eq!(range & range2, OperationResult::Single(GenericRange::from(5..10)));
[INFO] [stdout] 28 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/invert.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Inverts a range border, so a start becomes an end and vice versa.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Example
[INFO] [stdout] 9  | |     /// ```
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     /// assert_eq!(GenericRange::invert_border(Bound::Included(42)), Bound::Excluded(42));
[INFO] [stdout] 16 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/invert.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     /// Inverts the given range and returns two if no bound is unbounded.
[INFO] [stdout] 40 | |     ///
[INFO] [stdout] 41 | |     /// # Example
[INFO] [stdout] 42 | |     /// ```
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     /// )
[INFO] [stdout] 58 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]    --> src/generic_range/relation.rs:717:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | /     /// Returns true if the two ranges are equal.
[INFO] [stdout] 718 | |     ///
[INFO] [stdout] 719 | |     /// This method is the basis for the `PartialEq` and `Eq` trait implementations.
[INFO] [stdout] 720 | |     ///
[INFO] [stdout] ...   |
[INFO] [stdout] 730 | |     /// assert_eq!(GenericRange::new_open(0, 5), (1..=4).into());
[INFO] [stdout] 731 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/singleton.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Constructs a singleton by cloning the input storing it in included bounds for both start
[INFO] [stdout] 7  | |     /// and end.
[INFO] [stdout] 8  | |     ///
[INFO] [stdout] 9  | |     /// # Example
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     /// );
[INFO] [stdout] 18 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/singleton.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// Returns true if the range only contains a single item.
[INFO] [stdout] 28 | |     ///
[INFO] [stdout] 29 | |     /// # Examples
[INFO] [stdout] 30 | |     /// ```
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     /// assert!(GenericRange::from((Bound::Excluded(1), Bound::Included(2))).is_singleton());
[INFO] [stdout] 41 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/symmetric_difference.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Results in two ranges if the inputs are disjoint or touching.
[INFO] [stdout] 7  | |     /// Results in two ranges (the "left" and "right" disjoint parts) if the inputs are overlapping or contain one another.
[INFO] [stdout] 8  | |     /// Results in a single range (the disjoint part) if the inputs start or end on the same value.
[INFO] [stdout] 9  | |     /// Returns empty if the inputs are equal.
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     /// assert_eq!(a ^ b, OperationResult::Empty);
[INFO] [stdout] 38 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/union.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Results in either a single or, if the inputs are disjoint, two ranges.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Examples
[INFO] [stdout] 9  | |     /// Disjoint ranges.
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     /// assert_eq!(range | range2, OperationResult::Single((0..=15).into()));
[INFO] [stdout] 26 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/contains.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Returns true if the given `item` is contained in any of the internal disjoint ranges.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Note
[INFO] [stdout] 9  | |     /// In contrast to the `GenericRange` constructor, item values will not be clamped to
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     ///
[INFO] [stdout] 21 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/difference.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     /// Calculates the relative complement (difference) of two ranges.
[INFO] [stdout] 8  | |     ///
[INFO] [stdout] 9  | |     /// # Examples
[INFO] [stdout] 10 | |     /// Overlapping ranges:
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     /// assert!((ranges1 - ranges2).is_empty());
[INFO] [stdout] 27 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/insert.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Returns `true` if any element or the internal vector was modified to accommodate `range`.
[INFO] [stdout] 7  | |     /// This means `false` is returned if and only if nothing has changed.
[INFO] [stdout] 8  | |     ///
[INFO] [stdout] 9  | |     /// # Examples
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |     /// assert_eq!(ranges, (0..10).into())
[INFO] [stdout] 33 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/intersect.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     /// Calculates the intersection of two ranges.
[INFO] [stdout] 8  | |     ///
[INFO] [stdout] 9  | |     /// # Examples
[INFO] [stdout] 10 | |     /// Single overlapping ranges:
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     /// assert_eq!(ranges1 & ranges2, vec![0..3, 6..9].into())
[INFO] [stdout] 27 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/invert.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Inverts the range set.
[INFO] [stdout] 7  | |     ///
[INFO] [stdout] 8  | |     /// # Examples
[INFO] [stdout] 9  | |     /// Empty set:
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     /// );
[INFO] [stdout] 38 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/remove.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     /// Returns `true` if any element or the internal vector was modified to remove `range`.
[INFO] [stdout] 7  | |     /// This means `false` is returned if and only if nothing has changed.
[INFO] [stdout] 8  | |     ///
[INFO] [stdout] 9  | |     /// # Examples
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     /// assert_eq!(ranges, vec![0..2, 5..10].into())
[INFO] [stdout] 32 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/symmetric_difference.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     /// Calculates the relative complement (difference) of two ranges.
[INFO] [stdout] 8  | |     ///
[INFO] [stdout] 9  | |     /// # Examples
[INFO] [stdout] 10 | |     /// Empty range.
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     /// );
[INFO] [stdout] 39 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/ranges/union.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     /// Calculates the union of two ranges.
[INFO] [stdout] 8  | |     ///
[INFO] [stdout] 9  | |     /// # Examples
[INFO] [stdout] 10 | |     /// Empty and single-entry ranges.
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     /// assert_eq!(ranges1 | ranges2, (0..9).into());
[INFO] [stdout] 36 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]    --> src/ranges.rs:96:5
[INFO] [stdout]     |
[INFO] [stdout] 96  | /     /// Find the `GenericRange`s in `self` which at least touch `other`.
[INFO] [stdout] 97  | |     ///
[INFO] [stdout] 98  | |     /// Since `other` is a `GenericRange` (i.e. contiguous),
[INFO] [stdout] 99  | |     /// the overlapping ranges must all be consecutive.
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |     /// assert_eq!(ranges.find_intersecting_ranges(&(7..47).into()), Some((1, 3)))
[INFO] [stdout] 110 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/domain/char.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     /// This method does _not_ ignore invalid code points.
[INFO] [stdout] 65 | |     ///
[INFO] [stdout] 66 | |     /// # Example
[INFO] [stdout] 67 | |     /// ```
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |     /// assert!(!'\u{df777}'.shares_neighbour_with(&'\u{e001}'));
[INFO] [stdout] 71 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/domain/char.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / /// Iterates over valid UTF-8 codepoint range. Invalid values are skipped over.
[INFO] [stdout] 80 | | /// ```
[INFO] [stdout] 81 | | /// use ranges::GenericRange;
[INFO] [stdout] 82 | | ///
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | | /// assert_eq!(iter.last().unwrap(), '\u{10ffff}');
[INFO] [stdout] 88 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]   --> src/generic_range/format.rs:9:13
[INFO] [stdout]    |
[INFO] [stdout] 9  | /             /// Non-Debug formatting uses interval notation and formats the bound values
[INFO] [stdout] 10 | |             /// according to the given formatting arguments.
[INFO] [stdout] 11 | |             ///
[INFO] [stdout] 12 | |             /// # Note
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |             /// assert_eq!(format!("{:-#}", GenericRange::from(42..=100)), "[42,100]");
[INFO] [stdout] 28 | |             /// ```
[INFO] [stdout]    | |___________________^
[INFO] [stdout] ...
[INFO] [stdout] 85 |   format_range_with!(Binary, Display, LowerExp, LowerHex, Octal, Pointer, UpperExp, UpperHex);
[INFO] [stdout]    |   -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: documentation test in private item
[INFO] [stdout]    --> src/ranges/format.rs:9:13
[INFO] [stdout]     |
[INFO] [stdout] 9   | /             /// Non-Debug formatting uses interval notation and formats the bound values
[INFO] [stdout] 10  | |             /// according to the given formatting arguments.
[INFO] [stdout] 11  | |             ///
[INFO] [stdout] 12  | |             /// # Note
[INFO] [stdout] ...   |
[INFO] [stdout] 41  | |             /// );
[INFO] [stdout] 42  | |             /// ```
[INFO] [stdout]     | |___________________^
[INFO] [stdout] ...
[INFO] [stdout] 104 |   format_ranges_with!(Binary, Display, LowerExp, LowerHex, Octal, Pointer, UpperExp, UpperHex);
[INFO] [stdout]     |   --------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "7217c6727d4c57b9d5a77b1867459c5adc92e9633ceeab31aab6e53cd51611e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7217c6727d4c57b9d5a77b1867459c5adc92e9633ceeab31aab6e53cd51611e3", kill_on_drop: false }`
[INFO] [stdout] 7217c6727d4c57b9d5a77b1867459c5adc92e9633ceeab31aab6e53cd51611e3
