[INFO] fetching crate protocoll 0.3.1...
[INFO] checking protocoll-0.3.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate protocoll 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate protocoll 0.3.1
[INFO] finished tweaking crates.io crate protocoll 0.3.1
[INFO] tweaked toml for crates.io crate protocoll 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate protocoll 0.3.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 654db4c6c960281fd6abf717ac51fb005ee3963a080e3c42fd9b1702b8d8d4a9
[INFO] running `Command { std: "docker" "start" "-a" "654db4c6c960281fd6abf717ac51fb005ee3963a080e3c42fd9b1702b8d8d4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "654db4c6c960281fd6abf717ac51fb005ee3963a080e3c42fd9b1702b8d8d4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654db4c6c960281fd6abf717ac51fb005ee3963a080e3c42fd9b1702b8d8d4a9", kill_on_drop: false }`
[INFO] [stdout] 654db4c6c960281fd6abf717ac51fb005ee3963a080e3c42fd9b1702b8d8d4a9
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae91fef2807c11ce9eaea0d81bbba946442b42ef4d0ac9087a9fdf4ceedb169b
[INFO] running `Command { std: "docker" "start" "-a" "ae91fef2807c11ce9eaea0d81bbba946442b42ef4d0ac9087a9fdf4ceedb169b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking protocoll v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/vec_sorted_set.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 | impl<'a,T> Extend<(&'a T)> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stdout]     |                   ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 - impl<'a,T> Extend<(&'a T)> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stdout] 146 + impl<'a,T> Extend<&'a T> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/vec_sorted_set.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 | impl<'a,T> Extend<(&'a T)> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stdout]     |                   ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 - impl<'a,T> Extend<(&'a T)> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stdout] 146 + impl<'a,T> Extend<&'a T> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/_map.rs:137:42
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Eq
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Eq
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/_map.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Ord;
[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] 9 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Ord;
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/_map.rs:171:42
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[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] 171 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/_set.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Ord;
[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] 8 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Ord;
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/_seq.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 6 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>;
[INFO] [stdout]   |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vec_sorted_map.rs:139:42
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[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] 139 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_set.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Eq
[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] 34 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Eq
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/_map.rs:137:42
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Eq
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Eq
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_set.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[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] 51 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vec_sorted_set.rs:162:42
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[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] 162 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_seq.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 34 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_seq.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 51 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_seq.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 68 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/_map.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Ord;
[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] 9 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Ord;
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/_map.rs:171:42
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[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] 171 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/_set.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Ord;
[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] 8 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Ord;
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/_seq.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 6 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>;
[INFO] [stdout]   |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vec_sorted_map.rs:139:42
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[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] 139 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_set.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Eq
[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] 34 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Eq
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_set.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[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] 51 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vec_sorted_set.rs:162:42
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[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] 162 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<dyn Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_seq.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 34 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_seq.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 51 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/_seq.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a 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] 68 |     fn fun<'a>(&'a self) -> Box<dyn Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_sorted_map.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn iter(&self) -> Iter<(K,V)>
[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] 101 |     pub fn iter(&self) -> Iter<'_, (K,V)>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_sorted_set.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn iter(&self) -> Iter<T>
[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] 124 |     pub fn iter(&self) -> Iter<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_sorted_map.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn iter(&self) -> Iter<(K,V)>
[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] 101 |     pub fn iter(&self) -> Iter<'_, (K,V)>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_sorted_set.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn iter(&self) -> Iter<T>
[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] 124 |     pub fn iter(&self) -> Iter<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "ae91fef2807c11ce9eaea0d81bbba946442b42ef4d0ac9087a9fdf4ceedb169b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae91fef2807c11ce9eaea0d81bbba946442b42ef4d0ac9087a9fdf4ceedb169b", kill_on_drop: false }`
[INFO] [stdout] ae91fef2807c11ce9eaea0d81bbba946442b42ef4d0ac9087a9fdf4ceedb169b