[INFO] fetching crate an-rope 0.3.1...
[INFO] testing an-rope-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate an-rope 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate an-rope 0.3.1
[INFO] finished tweaking crates.io crate an-rope 0.3.1
[INFO] tweaked toml for crates.io crate an-rope 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate an-rope 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding clippy v0.0.106 (available: v0.0.302)
[INFO] [stderr]       Adding quickcheck v0.3.2 (available: v1.0.3)
[INFO] [stderr]       Adding tendril v0.2.4 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba053b2bf26e25a773c01b5e7ff031ef17f39c0a7b0439043ffeb1d21a6b50f5
[INFO] running `Command { std: "docker" "start" "-a" "ba053b2bf26e25a773c01b5e7ff031ef17f39c0a7b0439043ffeb1d21a6b50f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba053b2bf26e25a773c01b5e7ff031ef17f39c0a7b0439043ffeb1d21a6b50f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba053b2bf26e25a773c01b5e7ff031ef17f39c0a7b0439043ffeb1d21a6b50f5", kill_on_drop: false }`
[INFO] [stdout] ba053b2bf26e25a773c01b5e7ff031ef17f39c0a7b0439043ffeb1d21a6b50f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7ea8b10b8b22a4449b44da917d869d5c6a97cd514f169bea35b3ba547e02ec
[INFO] running `Command { std: "docker" "start" "-a" "4e7ea8b10b8b22a4449b44da917d869d5c6a97cd514f169bea35b3ba547e02ec", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling an-rope v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:817:23
[INFO] [stdout]     |
[INFO] [stdout] 817 |                `self`.\n\
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 818 | |
[INFO] [stdout] 819 | |              [graphemes]: \
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:832:72
[INFO] [stdout]     |
[INFO] [stdout] 832 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 833 | |
[INFO] [stdout] 834 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:551:26
[INFO] [stdout]     |
[INFO] [stdout] 551 |                  subrope \n\
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 552 | |
[INFO] [stdout] 553 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:558:26
[INFO] [stdout]     |
[INFO] [stdout] 558 |                  subrope \n\
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 559 | |
[INFO] [stdout] 560 | |                \nAs a `Rope` consists of valid UTF-8, we can iterate through a \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:561:74
[INFO] [stdout]     |
[INFO] [stdout] 561 |                  `Rope` by `char`. This method returns such an iterator. \n\
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 562 | |
[INFO] [stdout] 563 | |                \nIt's important to remember that `char` represents a Unicode \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:585:23
[INFO] [stdout]     |
[INFO] [stdout] 585 |                `self`.\n\
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 586 | |
[INFO] [stdout] 587 | |              [graphemes]: \
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:602:72
[INFO] [stdout]     |
[INFO] [stdout] 602 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 603 | |
[INFO] [stdout] 604 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/mod.rs:705:18
[INFO] [stdout]     |
[INFO] [stdout] 705 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 705 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/mod.rs:728:18
[INFO] [stdout]     |
[INFO] [stdout] 728 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 728 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/slice.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 410 | /     unstable_iters! {
[INFO] [stdout] 411 | |         #[inline]
[INFO] [stdout] 412 | |         pub fn chars(&'a self) -> impl Iterator<Item=char> + 'a  {
[INFO] [stdout] 413 | |             self.slice_char_iter(self.node.chars())
[INFO] [stdout] ...   |
[INFO] [stdout] 427 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/slice.rs:520:53
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<Iterator<Item=T> + 'a>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<dyn Iterator<Item=T> + 'a>
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/slice.rs:529:53
[INFO] [stdout]     |
[INFO] [stdout] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<Iterator<Item=&'a str> + 'a>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<dyn Iterator<Item=&'a str> + 'a>
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:462:5
[INFO] [stdout]     |
[INFO] [stdout] 462 | /     unstable_iters! {
[INFO] [stdout] 463 | |         #[doc=
[INFO] [stdout] 464 | |             "Returns an iterator over all the strings in this `Node`s subrope."]
[INFO] [stdout] 465 | |         #[inline]
[INFO] [stdout] ...   |
[INFO] [stdout] 480 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 | /     unicode_seg_iters! {
[INFO] [stdout] 583 | |         #[doc=
[INFO] [stdout] 584 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 585 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 596 | |         impl graphemes for Node { extend }
[INFO] [stdout] 597 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:598:5
[INFO] [stdout]     |
[INFO] [stdout] 598 | /     unicode_seg_iters! {
[INFO] [stdout] 599 | |         #[doc=
[INFO] [stdout] 600 | |             "Returns an iterator over the words of `self`, separated on \
[INFO] [stdout] 601 | |             [UAX#29 word boundaries]\
[INFO] [stdout] ...   |
[INFO] [stdout] 619 | |         impl split_word_bounds for Node {}
[INFO] [stdout] 620 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:598:5
[INFO] [stdout]     |
[INFO] [stdout] 598 | /     unicode_seg_iters! {
[INFO] [stdout] 599 | |         #[doc=
[INFO] [stdout] 600 | |             "Returns an iterator over the words of `self`, separated on \
[INFO] [stdout] 601 | |             [UAX#29 word boundaries]\
[INFO] [stdout] ...   |
[INFO] [stdout] 619 | |         impl split_word_bounds for Node {}
[INFO] [stdout] 620 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 743 | /     unstable_iters! {
[INFO] [stdout] 744 | |         #[doc="Returns an iterator over all the strings in this `Rope`"]
[INFO] [stdout] 745 | |         #[inline]
[INFO] [stdout] 746 | |         pub fn strings<'a>(&'a self) -> impl Iterator<Item=&'a str> + 'a {
[INFO] [stdout] ...   |
[INFO] [stdout] 769 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:440:5
[INFO] [stdout]     |
[INFO] [stdout] 440 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:762:46
[INFO] [stdout]     |
[INFO] [stdout] 762 | ...                   .scan(0, move |mut l, i|  {
[INFO] [stdout]     |                                      ----^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Unicode` is never used
[INFO] [stdout]  --> src/unicode/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Unicode<'a> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nodes` is never used
[INFO] [stdout]    --> src/internals/mod.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 317 | impl Node {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nodes` is never constructed
[INFO] [stdout]    --> src/internals/mod.rs:645:8
[INFO] [stdout]     |
[INFO] [stdout] 645 | struct Nodes<'a>(Vec<&'a Node>);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:871:29
[INFO] [stdout]     |
[INFO] [stdout] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:893:37
[INFO] [stdout]     |
[INFO] [stdout] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices<'_> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:940:18
[INFO] [stdout]     |
[INFO] [stdout] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:446:14
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stdout]     |              ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:452:15
[INFO] [stdout]     |
[INFO] [stdout] 452 |     fn leaves(&self) -> Leaves {
[INFO] [stdout]     |               ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 452 |     fn leaves(&self) -> Leaves<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:622:29
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:632:37
[INFO] [stdout]     |
[INFO] [stdout] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "4e7ea8b10b8b22a4449b44da917d869d5c6a97cd514f169bea35b3ba547e02ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7ea8b10b8b22a4449b44da917d869d5c6a97cd514f169bea35b3ba547e02ec", kill_on_drop: false }`
[INFO] [stdout] 4e7ea8b10b8b22a4449b44da917d869d5c6a97cd514f169bea35b3ba547e02ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e53cc0c2e12e1f27d1cbd5b00658de56dece28086ad01a95ea469cc85d3dc69
[INFO] running `Command { std: "docker" "start" "-a" "7e53cc0c2e12e1f27d1cbd5b00658de56dece28086ad01a95ea469cc85d3dc69", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:817:23
[INFO] [stdout]     |
[INFO] [stdout] 817 |                `self`.\n\
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 818 | |
[INFO] [stdout] 819 | |              [graphemes]: \
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:832:72
[INFO] [stdout]     |
[INFO] [stdout] 832 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 833 | |
[INFO] [stdout] 834 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:551:26
[INFO] [stdout]     |
[INFO] [stdout] 551 |                  subrope \n\
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 552 | |
[INFO] [stdout] 553 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:558:26
[INFO] [stdout]     |
[INFO] [stdout] 558 |                  subrope \n\
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 559 | |
[INFO] [stdout] 560 | |                \nAs a `Rope` consists of valid UTF-8, we can iterate through a \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:561:74
[INFO] [stdout]     |
[INFO] [stdout] 561 |                  `Rope` by `char`. This method returns such an iterator. \n\
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 562 | |
[INFO] [stdout] 563 | |                \nIt's important to remember that `char` represents a Unicode \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:585:23
[INFO] [stdout]     |
[INFO] [stdout] 585 |                `self`.\n\
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 586 | |
[INFO] [stdout] 587 | |              [graphemes]: \
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:602:72
[INFO] [stdout]     |
[INFO] [stdout] 602 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 603 | |
[INFO] [stdout] 604 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/mod.rs:705:18
[INFO] [stdout]     |
[INFO] [stdout] 705 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 705 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/mod.rs:728:18
[INFO] [stdout]     |
[INFO] [stdout] 728 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 728 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/slice.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 410 | /     unstable_iters! {
[INFO] [stdout] 411 | |         #[inline]
[INFO] [stdout] 412 | |         pub fn chars(&'a self) -> impl Iterator<Item=char> + 'a  {
[INFO] [stdout] 413 | |             self.slice_char_iter(self.node.chars())
[INFO] [stdout] ...   |
[INFO] [stdout] 427 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/slice.rs:520:53
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<Iterator<Item=T> + 'a>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<dyn Iterator<Item=T> + 'a>
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/slice.rs:529:53
[INFO] [stdout]     |
[INFO] [stdout] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<Iterator<Item=&'a str> + 'a>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<dyn Iterator<Item=&'a str> + 'a>
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:462:5
[INFO] [stdout]     |
[INFO] [stdout] 462 | /     unstable_iters! {
[INFO] [stdout] 463 | |         #[doc=
[INFO] [stdout] 464 | |             "Returns an iterator over all the strings in this `Node`s subrope."]
[INFO] [stdout] 465 | |         #[inline]
[INFO] [stdout] ...   |
[INFO] [stdout] 480 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 | /     unicode_seg_iters! {
[INFO] [stdout] 583 | |         #[doc=
[INFO] [stdout] 584 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 585 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 596 | |         impl graphemes for Node { extend }
[INFO] [stdout] 597 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:598:5
[INFO] [stdout]     |
[INFO] [stdout] 598 | /     unicode_seg_iters! {
[INFO] [stdout] 599 | |         #[doc=
[INFO] [stdout] 600 | |             "Returns an iterator over the words of `self`, separated on \
[INFO] [stdout] 601 | |             [UAX#29 word boundaries]\
[INFO] [stdout] ...   |
[INFO] [stdout] 619 | |         impl split_word_bounds for Node {}
[INFO] [stdout] 620 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:598:5
[INFO] [stdout]     |
[INFO] [stdout] 598 | /     unicode_seg_iters! {
[INFO] [stdout] 599 | |         #[doc=
[INFO] [stdout] 600 | |             "Returns an iterator over the words of `self`, separated on \
[INFO] [stdout] 601 | |             [UAX#29 word boundaries]\
[INFO] [stdout] ...   |
[INFO] [stdout] 619 | |         impl split_word_bounds for Node {}
[INFO] [stdout] 620 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 743 | /     unstable_iters! {
[INFO] [stdout] 744 | |         #[doc="Returns an iterator over all the strings in this `Rope`"]
[INFO] [stdout] 745 | |         #[inline]
[INFO] [stdout] 746 | |         pub fn strings<'a>(&'a self) -> impl Iterator<Item=&'a str> + 'a {
[INFO] [stdout] ...   |
[INFO] [stdout] 769 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:440:5
[INFO] [stdout]     |
[INFO] [stdout] 440 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:762:46
[INFO] [stdout]     |
[INFO] [stdout] 762 | ...                   .scan(0, move |mut l, i|  {
[INFO] [stdout]     |                                      ----^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Unicode` is never used
[INFO] [stdout]  --> src/unicode/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Unicode<'a> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nodes` is never used
[INFO] [stdout]    --> src/internals/mod.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 317 | impl Node {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nodes` is never constructed
[INFO] [stdout]    --> src/internals/mod.rs:645:8
[INFO] [stdout]     |
[INFO] [stdout] 645 | struct Nodes<'a>(Vec<&'a Node>);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:871:29
[INFO] [stdout]     |
[INFO] [stdout] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:893:37
[INFO] [stdout]     |
[INFO] [stdout] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices<'_> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:940:18
[INFO] [stdout]     |
[INFO] [stdout] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:446:14
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stdout]     |              ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:452:15
[INFO] [stdout]     |
[INFO] [stdout] 452 |     fn leaves(&self) -> Leaves {
[INFO] [stdout]     |               ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 452 |     fn leaves(&self) -> Leaves<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:622:29
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:632:37
[INFO] [stdout]     |
[INFO] [stdout] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.3.2
[INFO] [stderr]    Compiling an-rope v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:817:23
[INFO] [stdout]     |
[INFO] [stdout] 817 |                `self`.\n\
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 818 | |
[INFO] [stdout] 819 | |              [graphemes]: \
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:832:72
[INFO] [stdout]     |
[INFO] [stdout] 832 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 833 | |
[INFO] [stdout] 834 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:551:26
[INFO] [stdout]     |
[INFO] [stdout] 551 |                  subrope \n\
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 552 | |
[INFO] [stdout] 553 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:558:26
[INFO] [stdout]     |
[INFO] [stdout] 558 |                  subrope \n\
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 559 | |
[INFO] [stdout] 560 | |                \nAs a `Rope` consists of valid UTF-8, we can iterate through a \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:561:74
[INFO] [stdout]     |
[INFO] [stdout] 561 |                  `Rope` by `char`. This method returns such an iterator. \n\
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 562 | |
[INFO] [stdout] 563 | |                \nIt's important to remember that `char` represents a Unicode \
[INFO] [stdout]     | |_______________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:585:23
[INFO] [stdout]     |
[INFO] [stdout] 585 |                `self`.\n\
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 586 | |
[INFO] [stdout] 587 | |              [graphemes]: \
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/internals/mod.rs:602:72
[INFO] [stdout]     |
[INFO] [stdout] 602 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 603 | |
[INFO] [stdout] 604 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `metric::Line`
[INFO] [stdout]  --> src/test/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use metric::Line;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `metric::Measured`
[INFO] [stdout]  --> src/test/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use metric::Measured;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/test/mod.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     r = r.delete((8..12));
[INFO] [stdout]    |                  ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -     r = r.delete((8..12));
[INFO] [stdout] 61 +     r = r.delete(8..12 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/test/mod.rs:68:18
[INFO] [stdout]    |
[INFO] [stdout] 68 |     r = r.delete((0..0));
[INFO] [stdout]    |                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     r = r.delete((0..0));
[INFO] [stdout] 68 +     r = r.delete(0..0 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/test/mod.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |     r.delete((12..8)); // lol, fuck you
[INFO] [stdout]     |              ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 117 -     r.delete((12..8)); // lol, fuck you
[INFO] [stdout] 117 +     r.delete(12..8 ); // lol, fuck you
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/slice.rs:710:9
[INFO] [stdout]     |
[INFO] [stdout] 710 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/mod.rs:705:18
[INFO] [stdout]     |
[INFO] [stdout] 705 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 705 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/mod.rs:728:18
[INFO] [stdout]     |
[INFO] [stdout] 728 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 728 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/slice.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 410 | /     unstable_iters! {
[INFO] [stdout] 411 | |         #[inline]
[INFO] [stdout] 412 | |         pub fn chars(&'a self) -> impl Iterator<Item=char> + 'a  {
[INFO] [stdout] 413 | |             self.slice_char_iter(self.node.chars())
[INFO] [stdout] ...   |
[INFO] [stdout] 427 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/slice.rs:520:53
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<Iterator<Item=T> + 'a>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<dyn Iterator<Item=T> + 'a>
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/slice.rs:529:53
[INFO] [stdout]     |
[INFO] [stdout] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<Iterator<Item=&'a str> + 'a>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<dyn Iterator<Item=&'a str> + 'a>
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:462:5
[INFO] [stdout]     |
[INFO] [stdout] 462 | /     unstable_iters! {
[INFO] [stdout] 463 | |         #[doc=
[INFO] [stdout] 464 | |             "Returns an iterator over all the strings in this `Node`s subrope."]
[INFO] [stdout] 465 | |         #[inline]
[INFO] [stdout] ...   |
[INFO] [stdout] 480 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:549:5
[INFO] [stdout]     |
[INFO] [stdout] 549 | /     str_iters! {
[INFO] [stdout] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stdout] 551 | |                subrope \n\
[INFO] [stdout] ...   |
[INFO] [stdout] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stdout] 572 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 | /     unicode_seg_iters! {
[INFO] [stdout] 583 | |         #[doc=
[INFO] [stdout] 584 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 585 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 596 | |         impl graphemes for Node { extend }
[INFO] [stdout] 597 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:598:5
[INFO] [stdout]     |
[INFO] [stdout] 598 | /     unicode_seg_iters! {
[INFO] [stdout] 599 | |         #[doc=
[INFO] [stdout] 600 | |             "Returns an iterator over the words of `self`, separated on \
[INFO] [stdout] 601 | |             [UAX#29 word boundaries]\
[INFO] [stdout] ...   |
[INFO] [stdout] 619 | |         impl split_word_bounds for Node {}
[INFO] [stdout] 620 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/internals/mod.rs:598:5
[INFO] [stdout]     |
[INFO] [stdout] 598 | /     unicode_seg_iters! {
[INFO] [stdout] 599 | |         #[doc=
[INFO] [stdout] 600 | |             "Returns an iterator over the words of `self`, separated on \
[INFO] [stdout] 601 | |             [UAX#29 word boundaries]\
[INFO] [stdout] ...   |
[INFO] [stdout] 619 | |         impl split_word_bounds for Node {}
[INFO] [stdout] 620 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 743 | /     unstable_iters! {
[INFO] [stdout] 744 | |         #[doc="Returns an iterator over all the strings in this `Rope`"]
[INFO] [stdout] 745 | |         #[inline]
[INFO] [stdout] 746 | |         pub fn strings<'a>(&'a self) -> impl Iterator<Item=&'a str> + 'a {
[INFO] [stdout] ...   |
[INFO] [stdout] 769 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 791 | /     str_iters! {
[INFO] [stdout] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stdout] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stdout] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stdout] ...   |
[INFO] [stdout] 812 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:49
[INFO] [stdout]     |
[INFO] [stdout] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 814 | /     unicode_seg_iters! {
[INFO] [stdout] 815 | |         #[doc=
[INFO] [stdout] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stdout] 817 | |              `self`.\n\
[INFO] [stdout] ...   |
[INFO] [stdout] 854 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/test/mod.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[should_panic]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/test/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |           , should_panic(expected = "attempt to subtract with overflow"))]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lib.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> src/lib.rs:440:5
[INFO] [stdout]     |
[INFO] [stdout] 440 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut rope = Rope::from("this is\n\
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut rope = Rope::from("this is\n\
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut r = Rope::from("this is not fine");
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test/mod.rs:476:17
[INFO] [stdout]     |
[INFO] [stdout] 476 |             let mut rope = Rope::from(a.clone());
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/internals/test.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (left, right) = b.split(Line(1));
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> src/internals/test.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (left, right) = b.split(Line(1));
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:762:46
[INFO] [stdout]     |
[INFO] [stdout] 762 | ...                   .scan(0, move |mut l, i|  {
[INFO] [stdout]     |                                      ----^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_delete_test_1` is never used
[INFO] [stdout]   --> src/test/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn line_delete_test_1() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_delete_test_2` is never used
[INFO] [stdout]   --> src/test/mod.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn line_delete_test_2() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_test_1` is never used
[INFO] [stdout]    --> src/test/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn debug_test_1() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_test_2` is never used
[INFO] [stdout]    --> src/test/mod.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn debug_test_2() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_test_3` is never used
[INFO] [stdout]    --> src/test/mod.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn debug_test_3() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rope_indexing_is_string_indexing` is never used
[INFO] [stdout]    --> src/test/mod.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn rope_indexing_is_string_indexing() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rope_insert_char_is_string_insert_char` is never used
[INFO] [stdout]    --> src/test/mod.rs:462:8
[INFO] [stdout]     |
[INFO] [stdout] 462 |     fn rope_insert_char_is_string_insert_char() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Unicode` is never used
[INFO] [stdout]  --> src/unicode/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Unicode<'a> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_WORD` is never used
[INFO] [stdout]    --> src/unicode/test/testdata.rs:520:15
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub const TEST_WORD: &'static [(&'static str, &'static [&'static str])] = &[
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nodes` is never used
[INFO] [stdout]    --> src/internals/mod.rs:446:8
[INFO] [stdout]     |
[INFO] [stdout] 317 | impl Node {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nodes` is never constructed
[INFO] [stdout]    --> src/internals/mod.rs:645:8
[INFO] [stdout]     |
[INFO] [stdout] 645 | struct Nodes<'a>(Vec<&'a Node>);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:871:29
[INFO] [stdout]     |
[INFO] [stdout] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:893:37
[INFO] [stdout]     |
[INFO] [stdout] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices<'_> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:940:18
[INFO] [stdout]     |
[INFO] [stdout] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `FromIterator` should have a snake case name
[INFO] [stdout]    --> src/test/mod.rs:614:9
[INFO] [stdout]     |
[INFO] [stdout] 614 |     mod FromIterator {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `from_iterator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:446:14
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stdout]     |              ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn nodes(&self) -> Nodes<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:452:15
[INFO] [stdout]     |
[INFO] [stdout] 452 |     fn leaves(&self) -> Leaves {
[INFO] [stdout]     |               ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 452 |     fn leaves(&self) -> Leaves<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:622:29
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices {
[INFO] [stdout]     |                             ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/internals/mod.rs:632:37
[INFO] [stdout]     |
[INFO] [stdout] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices {
[INFO] [stdout]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "7e53cc0c2e12e1f27d1cbd5b00658de56dece28086ad01a95ea469cc85d3dc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e53cc0c2e12e1f27d1cbd5b00658de56dece28086ad01a95ea469cc85d3dc69", kill_on_drop: false }`
[INFO] [stdout] 7e53cc0c2e12e1f27d1cbd5b00658de56dece28086ad01a95ea469cc85d3dc69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d251e56fd4e3cd21fe97be9b0944e657636d67f38c589d03c2f3198023193608
[INFO] running `Command { std: "docker" "start" "-a" "d251e56fd4e3cd21fe97be9b0944e657636d67f38c589d03c2f3198023193608", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/lib.rs:817:23
[INFO] [stderr]     |
[INFO] [stderr] 817 |                `self`.\n\
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 818 | |
[INFO] [stderr] 819 | |              [graphemes]: \
[INFO] [stderr]     | |_____________^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/lib.rs:832:72
[INFO] [stderr]     |
[INFO] [stderr] 832 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stderr]     |  ________________________________________________________________________^
[INFO] [stderr] 833 | |
[INFO] [stderr] 834 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stderr]     | |____________^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/internals/mod.rs:551:26
[INFO] [stderr]     |
[INFO] [stderr] 551 |                  subrope \n\
[INFO] [stderr]     |  __________________________^
[INFO] [stderr] 552 | |
[INFO] [stderr] 553 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stderr]     | |_______________^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/internals/mod.rs:558:26
[INFO] [stderr]     |
[INFO] [stderr] 558 |                  subrope \n\
[INFO] [stderr]     |  __________________________^
[INFO] [stderr] 559 | |
[INFO] [stderr] 560 | |                \nAs a `Rope` consists of valid UTF-8, we can iterate through a \
[INFO] [stderr]     | |_______________^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/internals/mod.rs:561:74
[INFO] [stderr]     |
[INFO] [stderr] 561 |                  `Rope` by `char`. This method returns such an iterator. \n\
[INFO] [stderr]     |  __________________________________________________________________________^
[INFO] [stderr] 562 | |
[INFO] [stderr] 563 | |                \nIt's important to remember that `char` represents a Unicode \
[INFO] [stderr]     | |_______________^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/internals/mod.rs:585:23
[INFO] [stderr]     |
[INFO] [stderr] 585 |                `self`.\n\
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 586 | |
[INFO] [stderr] 587 | |              [graphemes]: \
[INFO] [stderr]     | |_____________^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/internals/mod.rs:602:72
[INFO] [stderr]     |
[INFO] [stderr] 602 |               (http://www.unicode.org/reports/tr29/#Word_Boundaries).\n\n\
[INFO] [stderr]     |  ________________________________________________________________________^
[INFO] [stderr] 603 | |
[INFO] [stderr] 604 | |             Here, \"words\" are just those substrings which, after splitting on\
[INFO] [stderr]     | |____________^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internals/mod.rs:705:18
[INFO] [stderr]     |
[INFO] [stderr] 705 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 705 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stderr]     |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internals/mod.rs:728:18
[INFO] [stderr]     |
[INFO] [stderr] 728 |     strings: Box<Iterator<Item = &'a str> + 'a >
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 728 |     strings: Box<dyn Iterator<Item = &'a str> + 'a >
[INFO] [stderr]     |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/slice.rs:410:5
[INFO] [stderr]     |
[INFO] [stderr] 410 | /     unstable_iters! {
[INFO] [stderr] 411 | |         #[inline]
[INFO] [stderr] 412 | |         pub fn chars(&'a self) -> impl Iterator<Item=char> + 'a  {
[INFO] [stderr] 413 | |             self.slice_char_iter(self.node.chars())
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:520:53
[INFO] [stderr]     |
[INFO] [stderr] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<Iterator<Item=T> + 'a>
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 520 |     fn slice_char_iter<I, T>(&'a self, i: I) -> Box<dyn Iterator<Item=T> + 'a>
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:529:53
[INFO] [stderr]     |
[INFO] [stderr] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<Iterator<Item=&'a str> + 'a>
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 529 |     fn slice_strings_iter<I>(&'a self, i: I) -> Box<dyn Iterator<Item=&'a str> + 'a>
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/internals/mod.rs:462:5
[INFO] [stderr]     |
[INFO] [stderr] 462 | /     unstable_iters! {
[INFO] [stderr] 463 | |         #[doc=
[INFO] [stderr] 464 | |             "Returns an iterator over all the strings in this `Node`s subrope."]
[INFO] [stderr] 465 | |         #[inline]
[INFO] [stderr] ...   |
[INFO] [stderr] 480 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/internals/mod.rs:549:5
[INFO] [stderr]     |
[INFO] [stderr] 549 | /     str_iters! {
[INFO] [stderr] 550 | |         #[doc="Returns an iterator over all the bytes in this `Node`'s \
[INFO] [stderr] 551 | |                subrope \n\
[INFO] [stderr] ...   |
[INFO] [stderr] 571 | |         impl split_whitespace<&'a str> for Node {}
[INFO] [stderr] 572 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/internals/mod.rs:582:5
[INFO] [stderr]     |
[INFO] [stderr] 582 | /     unicode_seg_iters! {
[INFO] [stderr] 583 | |         #[doc=
[INFO] [stderr] 584 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stderr] 585 | |              `self`.\n\
[INFO] [stderr] ...   |
[INFO] [stderr] 596 | |         impl graphemes for Node { extend }
[INFO] [stderr] 597 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/internals/mod.rs:598:5
[INFO] [stderr]     |
[INFO] [stderr] 598 | /     unicode_seg_iters! {
[INFO] [stderr] 599 | |         #[doc=
[INFO] [stderr] 600 | |             "Returns an iterator over the words of `self`, separated on \
[INFO] [stderr] 601 | |             [UAX#29 word boundaries]\
[INFO] [stderr] ...   |
[INFO] [stderr] 619 | |         impl split_word_bounds for Node {}
[INFO] [stderr] 620 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 743 | /     unstable_iters! {
[INFO] [stderr] 744 | |         #[doc="Returns an iterator over all the strings in this `Rope`"]
[INFO] [stderr] 745 | |         #[inline]
[INFO] [stderr] 746 | |         pub fn strings<'a>(&'a self) -> impl Iterator<Item=&'a str> + 'a {
[INFO] [stderr] ...   |
[INFO] [stderr] 769 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 791 | /     str_iters! {
[INFO] [stderr] 792 | |         #[doc="Returns an iterator over all the bytes in this `Rope`.\n\
[INFO] [stderr] 793 | |                \nAs a Rope consists of a sequence of bytes, we can iterate \
[INFO] [stderr] 794 | |                through a rope by byte. This method returns such an iterator."]
[INFO] [stderr] ...   |
[INFO] [stderr] 812 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `str_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:161:49
[INFO] [stderr]     |
[INFO] [stderr] 161 |            pub fn $name$(<$lf>)*(&'a $sel) -> Box<Iterator<Item=$ty> + 'a> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 814 | /     unicode_seg_iters! {
[INFO] [stderr] 815 | |         #[doc=
[INFO] [stderr] 816 | |             "Returns an iterator over the [grapheme clusters][graphemes] of \
[INFO] [stderr] 817 | |              `self`.\n\
[INFO] [stderr] ...   |
[INFO] [stderr] 854 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `unstable_iters` which comes from the expansion of the macro `unicode_seg_iters` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]    --> src/lib.rs:441:5
[INFO] [stderr]     |
[INFO] [stderr] 441 |     #[inline]
[INFO] [stderr]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stderr]     |
[INFO] [stderr] note: attribute also specified here
[INFO] [stderr]    --> src/lib.rs:440:5
[INFO] [stderr]     |
[INFO] [stderr] 440 |     #[inline]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:762:46
[INFO] [stderr]     |
[INFO] [stderr] 762 | ...                   .scan(0, move |mut l, i|  {
[INFO] [stderr]     |                                      ----^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Unicode` is never used
[INFO] [stderr]  --> src/unicode/mod.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub trait Unicode<'a> {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `nodes` is never used
[INFO] [stderr]    --> src/internals/mod.rs:446:8
[INFO] [stderr]     |
[INFO] [stderr] 317 | impl Node {
[INFO] [stderr]     | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Nodes` is never constructed
[INFO] [stderr]    --> src/internals/mod.rs:645:8
[INFO] [stderr]     |
[INFO] [stderr] 645 | struct Nodes<'a>(Vec<&'a Node>);
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:871:29
[INFO] [stderr]     |
[INFO] [stderr] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices {
[INFO] [stderr]     |                             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 871 |     pub fn grapheme_indices(&self) -> internals::GraphemeIndices<'_> {
[INFO] [stderr]     |                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:893:37
[INFO] [stderr]     |
[INFO] [stderr] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices {
[INFO] [stderr]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 893 |     pub fn split_word_bound_indices(&self) -> internals::UWordBoundIndices<'_> {
[INFO] [stderr]     |                                                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:940:18
[INFO] [stderr]     |
[INFO] [stderr] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice {
[INFO] [stderr]     |                  ^^^^^ the lifetime is elided here   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 940 |     pub fn slice(&self, range: ops::Range<usize>) -> RopeSlice<'_> {
[INFO] [stderr]     |                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/internals/mod.rs:446:14
[INFO] [stderr]     |
[INFO] [stderr] 446 |     fn nodes(&self) -> Nodes {
[INFO] [stderr]     |              ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |              |
[INFO] [stderr]     |              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 446 |     fn nodes(&self) -> Nodes<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/internals/mod.rs:452:15
[INFO] [stderr]     |
[INFO] [stderr] 452 |     fn leaves(&self) -> Leaves {
[INFO] [stderr]     |               ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |               |
[INFO] [stderr]     |               the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 452 |     fn leaves(&self) -> Leaves<'_> {
[INFO] [stderr]     |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/internals/mod.rs:622:29
[INFO] [stderr]     |
[INFO] [stderr] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices {
[INFO] [stderr]     |                             ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 622 |     pub fn grapheme_indices(&self) -> GraphemeIndices<'_> {
[INFO] [stderr]     |                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/internals/mod.rs:632:37
[INFO] [stderr]     |
[INFO] [stderr] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices {
[INFO] [stderr]     |                                     ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 632 |     pub fn split_word_bound_indices(&self) -> UWordBoundIndices<'_> {
[INFO] [stderr]     |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `an-rope` (lib) generated 39 warnings (8 duplicates) (run `cargo fix --lib -p an-rope` to apply 13 suggestions)
[INFO] [stderr] warning: unused import: `metric::Line`
[INFO] [stderr]  --> src/test/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use metric::Line;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `metric::Measured`
[INFO] [stderr]  --> src/test/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use metric::Measured;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/test/mod.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |     r = r.delete((8..12));
[INFO] [stderr]    |                  ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 61 -     r = r.delete((8..12));
[INFO] [stderr] 61 +     r = r.delete(8..12 );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/test/mod.rs:68:18
[INFO] [stderr]    |
[INFO] [stderr] 68 |     r = r.delete((0..0));
[INFO] [stderr]    |                  ^    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 68 -     r = r.delete((0..0));
[INFO] [stderr] 68 +     r = r.delete(0..0 );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/test/mod.rs:117:14
[INFO] [stderr]     |
[INFO] [stderr] 117 |     r.delete((12..8)); // lol, fuck you
[INFO] [stderr]     |              ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 117 -     r.delete((12..8)); // lol, fuck you
[INFO] [stderr] 117 +     r.delete(12..8 ); // lol, fuck you
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/slice.rs:710:9
[INFO] [stderr]     |
[INFO] [stderr] 710 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]    --> src/test/mod.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | #[should_panic]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stderr]     |
[INFO] [stderr] note: attribute also specified here
[INFO] [stderr]    --> src/test/mod.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |           , should_panic(expected = "attempt to subtract with overflow"))]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]    --> src/lib.rs:441:5
[INFO] [stderr]     |
[INFO] [stderr] 441 |     #[inline]
[INFO] [stderr]     |     ^^^^^^^^^ help: remove this attribute
[INFO] [stderr]     |
[INFO] [stderr] note: attribute also specified here
[INFO] [stderr]    --> src/lib.rs:440:5
[INFO] [stderr]     |
[INFO] [stderr] 440 |     #[inline]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test/mod.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut rope = Rope::from("this is\n\
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test/mod.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut rope = Rope::from("this is\n\
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/test/mod.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut r = Rope::from("this is not fine");
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/test/mod.rs:476:17
[INFO] [stderr]     |
[INFO] [stderr] 476 |             let mut rope = Rope::from(a.clone());
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]   --> src/internals/test.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let (left, right) = b.split(Line(1));
[INFO] [stderr]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]   --> src/internals/test.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let (left, right) = b.split(Line(1));
[INFO] [stderr]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:762:46
[INFO] [stderr]     |
[INFO] [stderr] 762 | ...                   .scan(0, move |mut l, i|  {
[INFO] [stderr]     |                                      ----^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `line_delete_test_1` is never used
[INFO] [stderr]   --> src/test/mod.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn line_delete_test_1() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `line_delete_test_2` is never used
[INFO] [stderr]   --> src/test/mod.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn line_delete_test_2() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `debug_test_1` is never used
[INFO] [stderr]    --> src/test/mod.rs:125:8
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn debug_test_1() {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `debug_test_2` is never used
[INFO] [stderr]    --> src/test/mod.rs:131:8
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn debug_test_2() {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `debug_test_3` is never used
[INFO] [stderr]    --> src/test/mod.rs:137:8
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn debug_test_3() {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rope_indexing_is_string_indexing` is never used
[INFO] [stderr]    --> src/test/mod.rs:446:8
[INFO] [stderr]     |
[INFO] [stderr] 446 |     fn rope_indexing_is_string_indexing() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rope_insert_char_is_string_insert_char` is never used
[INFO] [stderr]    --> src/test/mod.rs:462:8
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn rope_insert_char_is_string_insert_char() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Unicode` is never used
[INFO] [stderr]  --> src/unicode/mod.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub trait Unicode<'a> {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TEST_WORD` is never used
[INFO] [stderr]    --> src/unicode/test/testdata.rs:520:15
[INFO] [stderr]     |
[INFO] [stderr] 520 |     pub const TEST_WORD: &'static [(&'static str, &'static [&'static str])] = &[
[INFO] [stderr]     |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `FromIterator` should have a snake case name
[INFO] [stderr]    --> src/test/mod.rs:614:9
[INFO] [stderr]     |
[INFO] [stderr] 614 |     mod FromIterator {
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `from_iterator`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `an-rope` (lib test) generated 61 warnings (36 duplicates) (run `cargo fix --lib -p an-rope --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/an_rope-8e659fa301bc771e)
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test internals::test::line_split_test_1 ... ok
[INFO] [stdout] test internals::test::line_split_test_10 ... ok
[INFO] [stdout] test internals::test::line_split_test_3 ... ok
[INFO] [stdout] test internals::test::line_split_test_6 ... ok
[INFO] [stdout] test internals::test::line_split_test_9 ... ok
[INFO] [stdout] test internals::test::line_split_test_2 ... ok
[INFO] [stdout] test internals::test::line_split_test_8 ... ok
[INFO] [stdout] test internals::test::line_split_test_7 ... ok
[INFO] [stdout] test internals::test::line_split_test_5 ... ok
[INFO] [stdout] test slice::tests::to ... ok
[INFO] [stdout] test test::append ... ok
[INFO] [stdout] test test::append_empty_rope ... ok
[INFO] [stdout] test test::delete_test_1 ... ok
[INFO] [stdout] test test::delete_test_2 ... ok
[INFO] [stdout] test test::insert_char_test_1 ... ok
[INFO] [stdout] test test::iterator::FromIterator::chars_empty ... ok
[INFO] [stdout] test test::iterator::FromIterator::ropes ... ok
[INFO] [stdout] test slice::tests::char_indices ... ok
[INFO] [stdout] test test::insert_rope_balance_test ... ok
[INFO] [stdout] test test::iterator::FromIterator::ropes_empty ... ok
[INFO] [stdout] test test::insert_str_test_1 ... ok
[INFO] [stdout] test test::iterator::FromIterator::strings_empty ... ok
[INFO] [stdout] test test::iterator::FromIterator::str_slice ... ok
[INFO] [stdout] test test::big_rebalance ... ok
[INFO] [stdout] test test::merge_rebalance_test ... ok
[INFO] [stdout] test test::insert_rope_test_1 ... ok
[INFO] [stdout] test test::iterator::FromIterator::char_refs ... ok
[INFO] [stdout] test test::prepend_empty_rope ... ok
[INFO] [stdout] test test::iterator::FromIterator::char_refs_empty ... ok
[INFO] [stdout] test test::iterator::FromIterator::str_slice_empty ... ok
[INFO] [stdout] test test::iterator::FromIterator::strings ... ok
[INFO] [stdout] test test::rebalance_test_1 ... ok
[INFO] [stdout] test test::rebalance_test_2 ... ok
[INFO] [stdout] test test::rope_lines_iter ... ok
[INFO] [stdout] test unicode::test::graphemes_iter ... ok
[INFO] [stdout] test test::rope_lines_iter_split_on_node ... ok
[INFO] [stdout] test unicode::test::unicode_words ... ok
[INFO] [stdout] test test::repeated_concat_left_rebalance ... ok
[INFO] [stdout] test test::rope_char_indices ... ok
[INFO] [stdout] test test::iterator::FromIterator::prop_chars_concat ... ok
[INFO] [stdout] test test::iterator::FromIterator::chars ... ok
[INFO] [stdout] test test::repeated_concat_right_rebalance ... ok
[INFO] [stdout] test test::prepend ... ok
[INFO] [stdout] test test::insert_rope_test_2 ... ok
[INFO] [stdout] test test::properties::rope_append_is_string_push_str ... ok
[INFO] [stdout] test test::properties::rope_concat_is_string_concat ... ok
[INFO] [stdout] test internals::test::line_split_test_4 - should panic ... ok
[INFO] [stdout] test test::delete_test_7 - should panic ... ok
[INFO] [stdout] test unicode::test::test_graphemes ... FAILED
[INFO] [stdout] test test::iterator::FromIterator::prop_ropes_concat ... ok
[INFO] [stdout] test test::iterator::FromIterator::prop_strings_concat ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- unicode::test::test_graphemes stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'unicode::test::test_graphemes' (73) panicked at src/unicode/test/mod.rs:52:9:
[INFO] [stdout] assertion failed: r.graphemes().zip(g.iter().cloned()).all(|(a, b)| a == b)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fb884f840c2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fb884f840c2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fb884f840c2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fb884f840c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fb884f941ef - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5fb884f941ef - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5fb884f51933 - std::io::default_write_fmt::h2580ece0d4b58e51
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fb884f51933 - std::io::Write::write_fmt::hac9e42858f273b87
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5fb884f5d802 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5fb884f6233f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5fb884f621d1 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5fb884e644be - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c698701e444e564
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5fb884e644be - test::test_main_with_exit_callback::{{closure}}::ha1c98e7b69c4defb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fb884f6294f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc4f222a8a57c637a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5fb884f6294f - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5fb884f62776 - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5fb884f5d939 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5fb884f4622d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5fb884f9c2d0 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fb884f9c2ac - core::panicking::panic::h2a6fe4ac012a7582
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5fb884e2f159 - an_rope::unicode::test::test_graphemes::hdccccff07454f414
[INFO] [stdout]                                at /opt/rustwide/workdir/src/unicode/test/mod.rs:52:9
[INFO] [stdout]   21:     0x5fb884e2f1a7 - an_rope::unicode::test::test_graphemes::{{closure}}::h7c78727130eac260
[INFO] [stdout]                                at /opt/rustwide/workdir/src/unicode/test/mod.rs:32:20
[INFO] [stdout]   22:     0x5fb884e32046 - core::ops::function::FnOnce::call_once::h4d73ba3abbcf8c73
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5fb884e6430b - core::ops::function::FnOnce::call_once::h4f6eabe90cccb47d
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fb884e6430b - test::__rust_begin_short_backtrace::h94208530f2b4c8c7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5fb884e7831d - test::run_test_in_process::{{closure}}::hbdc6a45a78c46404
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5fb884e7831d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7f9d8efc7eedd165
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5fb884e7831d - std::panicking::catch_unwind::do_call::he5edbaf126c13b99
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5fb884e7831d - std::panicking::catch_unwind::h3d6a8652eceeabce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5fb884e7831d - std::panic::catch_unwind::hbef0c501dd7bb498
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5fb884e7831d - test::run_test_in_process::h400008a46a5006a0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5fb884e7831d - test::run_test::{{closure}}::h9a131655b31d9427
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5fb884e51864 - test::run_test::{{closure}}::he4a7177c216308c0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5fb884e51864 - std::sys::backtrace::__rust_begin_short_backtrace::hd3980e9c55d6c539
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5fb884e5519a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h18552df67c7aa9b8
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   35:     0x5fb884e5519a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3d7b285234641a08
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5fb884e5519a - std::panicking::catch_unwind::do_call::h5a2b5cf36528a5b2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x5fb884e5519a - std::panicking::catch_unwind::h7e8b531bbda77d20
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x5fb884e5519a - std::panic::catch_unwind::hf9bbb2040b4f1e6c
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5fb884e5519a - std::thread::Builder::spawn_unchecked_::{{closure}}::h600f92cf68549574
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   40:     0x5fb884e5519a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb6607307df8a1847
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5fb884f58d3f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6891ad53a5ed6f52
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   42:     0x5fb884f58d3f - std::sys::thread::unix::Thread::new::thread_start::h7f3e77fa86df70af
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   43:     0x72d90623faa4 - <unknown>
[INFO] [stdout]   44:     0x72d9062cca64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     unicode::test::test_graphemes
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 50 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d251e56fd4e3cd21fe97be9b0944e657636d67f38c589d03c2f3198023193608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d251e56fd4e3cd21fe97be9b0944e657636d67f38c589d03c2f3198023193608", kill_on_drop: false }`
[INFO] [stdout] d251e56fd4e3cd21fe97be9b0944e657636d67f38c589d03c2f3198023193608
