[INFO] fetching crate sorted 0.2.0...
[INFO] building sorted-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate sorted 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate sorted 0.2.0
[INFO] finished tweaking crates.io crate sorted 0.2.0
[INFO] tweaked toml for crates.io crate sorted 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sorted 0.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a8ca1ccee0b978dcf725d5a95d6a16fbf4900ce08cacd00f68020fd0416c2b
[INFO] running `Command { std: "docker" "start" "-a" "58a8ca1ccee0b978dcf725d5a95d6a16fbf4900ce08cacd00f68020fd0416c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a8ca1ccee0b978dcf725d5a95d6a16fbf4900ce08cacd00f68020fd0416c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a8ca1ccee0b978dcf725d5a95d6a16fbf4900ce08cacd00f68020fd0416c2b", kill_on_drop: false }`
[INFO] [stdout] 58a8ca1ccee0b978dcf725d5a95d6a16fbf4900ce08cacd00f68020fd0416c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9327d00236e8d2a458f2b486ce3c8e892a33ff5bbeef42ba3002ad94a5b7501b
[INFO] running `Command { std: "docker" "start" "-a" "9327d00236e8d2a458f2b486ce3c8e892a33ff5bbeef42ba3002ad94a5b7501b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling sorted v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/iter_intersection.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn intersection<J>(self, J) -> Intersection<Self, J>
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: J`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/iter_union.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn union<J>(self, J) -> Union<Self, J>
[INFO] [stdout]    |                       ^ help: try naming the parameter or explicitly ignoring it: `_: J`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_searchable_by_order.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn search(&self, &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Item`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sort_order.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn cmp(&T, &T) -> Ordering;
[INFO] [stdout]   |            ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sort_order.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn cmp(&T, &T) -> Ordering;
[INFO] [stdout]   |                ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/trait_sort_order.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn key(&T) -> Self::Key;
[INFO] [stdout]    |            ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sorted_insert.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn insert(&mut self, Self::Item);
[INFO] [stdout]   |                          ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Item`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/type_sorted.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn deref_inner<U>(&'a self) -> Sorted<'a, &U, O>
[INFO] [stdout]    |                            --                 --  ^^ the same lifetime is elided here
[INFO] [stdout]    |                            |                  |
[INFO] [stdout]    |                            |                  the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn deref_inner<U>(&'a self) -> Sorted<'a, &'a U, O>
[INFO] [stdout]    |                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/type_sorted.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn iter(&'a self) -> SortedIter<<&T as IntoIterator>::IntoIter, O>
[INFO] [stdout]    |                  --                      ^^ the same lifetime is elided here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn iter(&'a self) -> SortedIter<<&'a T as IntoIterator>::IntoIter, O>
[INFO] [stdout]    |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "9327d00236e8d2a458f2b486ce3c8e892a33ff5bbeef42ba3002ad94a5b7501b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9327d00236e8d2a458f2b486ce3c8e892a33ff5bbeef42ba3002ad94a5b7501b", kill_on_drop: false }`
[INFO] [stdout] 9327d00236e8d2a458f2b486ce3c8e892a33ff5bbeef42ba3002ad94a5b7501b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 048b21bd361acd067acce46a270a8802979687b9c8174191bf62fa54926d9607
[INFO] running `Command { std: "docker" "start" "-a" "048b21bd361acd067acce46a270a8802979687b9c8174191bf62fa54926d9607", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/iter_intersection.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn intersection<J>(self, J) -> Intersection<Self, J>
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: J`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sorted v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/iter_union.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn union<J>(self, J) -> Union<Self, J>
[INFO] [stdout]    |                       ^ help: try naming the parameter or explicitly ignoring it: `_: J`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_searchable_by_order.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn search(&self, &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Item`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sort_order.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn cmp(&T, &T) -> Ordering;
[INFO] [stdout]   |            ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sort_order.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn cmp(&T, &T) -> Ordering;
[INFO] [stdout]   |                ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/trait_sort_order.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn key(&T) -> Self::Key;
[INFO] [stdout]    |            ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sorted_insert.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn insert(&mut self, Self::Item);
[INFO] [stdout]   |                          ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Item`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/type_sorted.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn deref_inner<U>(&'a self) -> Sorted<'a, &U, O>
[INFO] [stdout]    |                            --                 --  ^^ the same lifetime is elided here
[INFO] [stdout]    |                            |                  |
[INFO] [stdout]    |                            |                  the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn deref_inner<U>(&'a self) -> Sorted<'a, &'a U, O>
[INFO] [stdout]    |                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/type_sorted.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn iter(&'a self) -> SortedIter<<&T as IntoIterator>::IntoIter, O>
[INFO] [stdout]    |                  --                      ^^ the same lifetime is elided here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn iter(&'a self) -> SortedIter<<&'a T as IntoIterator>::IntoIter, O>
[INFO] [stdout]    |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/usage.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/usage.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/usage.rs:108:6
[INFO] [stdout]     |
[INFO] [stdout] 108 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/iter_intersection.rs:54:30
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn intersection<J>(self, J) -> Intersection<Self, J>
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: J`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/iter_union.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn union<J>(self, J) -> Union<Self, J>
[INFO] [stdout]    |                       ^ help: try naming the parameter or explicitly ignoring it: `_: J`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_searchable_by_order.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn search(&self, &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Item`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sort_order.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn cmp(&T, &T) -> Ordering;
[INFO] [stdout]   |            ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sort_order.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn cmp(&T, &T) -> Ordering;
[INFO] [stdout]   |                ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/trait_sort_order.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn key(&T) -> Self::Key;
[INFO] [stdout]    |            ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/trait_sorted_insert.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn insert(&mut self, Self::Item);
[INFO] [stdout]   |                          ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Item`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/type_sorted.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn deref_inner<U>(&'a self) -> Sorted<'a, &U, O>
[INFO] [stdout]    |                            --                 --  ^^ the same lifetime is elided here
[INFO] [stdout]    |                            |                  |
[INFO] [stdout]    |                            |                  the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn deref_inner<U>(&'a self) -> Sorted<'a, &'a U, O>
[INFO] [stdout]    |                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/type_sorted.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn iter(&'a self) -> SortedIter<<&T as IntoIterator>::IntoIter, O>
[INFO] [stdout]    |                  --                      ^^ the same lifetime is elided here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn iter(&'a self) -> SortedIter<<&'a T as IntoIterator>::IntoIter, O>
[INFO] [stdout]    |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "048b21bd361acd067acce46a270a8802979687b9c8174191bf62fa54926d9607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048b21bd361acd067acce46a270a8802979687b9c8174191bf62fa54926d9607", kill_on_drop: false }`
[INFO] [stdout] 048b21bd361acd067acce46a270a8802979687b9c8174191bf62fa54926d9607
