[INFO] fetching crate protocoll 0.3.1...
[INFO] testing protocoll-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate protocoll 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate protocoll 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0d46c13e26e04f858ecff7e73e757eac6425a77ec1dc108fb453769bfb841f8
[INFO] running `Command { std: "docker" "start" "-a" "f0d46c13e26e04f858ecff7e73e757eac6425a77ec1dc108fb453769bfb841f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d46c13e26e04f858ecff7e73e757eac6425a77ec1dc108fb453769bfb841f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d46c13e26e04f858ecff7e73e757eac6425a77ec1dc108fb453769bfb841f8", kill_on_drop: false }`
[INFO] [stdout] f0d46c13e26e04f858ecff7e73e757eac6425a77ec1dc108fb453769bfb841f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8959418e205489d4e2a618536b8d7e2e399ed074972eb5975c7ffdd64ba7892b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8959418e205489d4e2a618536b8d7e2e399ed074972eb5975c7ffdd64ba7892b", kill_on_drop: false }`
[INFO] [stderr]    Compiling protocoll v0.3.1 (/opt/rustwide/workdir)
[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]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                   ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "8959418e205489d4e2a618536b8d7e2e399ed074972eb5975c7ffdd64ba7892b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8959418e205489d4e2a618536b8d7e2e399ed074972eb5975c7ffdd64ba7892b", kill_on_drop: false }`
[INFO] [stdout] 8959418e205489d4e2a618536b8d7e2e399ed074972eb5975c7ffdd64ba7892b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd970923f15dbbc0cb5f4909286fb193920d66ed1b90fb471b4d891ada73064e
[INFO] running `Command { std: "docker" "start" "-a" "dd970923f15dbbc0cb5f4909286fb193920d66ed1b90fb471b4d891ada73064e", kill_on_drop: false }`
[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]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling protocoll v0.3.1 (/opt/rustwide/workdir)
[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]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                   ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[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]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                   ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "dd970923f15dbbc0cb5f4909286fb193920d66ed1b90fb471b4d891ada73064e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd970923f15dbbc0cb5f4909286fb193920d66ed1b90fb471b4d891ada73064e", kill_on_drop: false }`
[INFO] [stdout] dd970923f15dbbc0cb5f4909286fb193920d66ed1b90fb471b4d891ada73064e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9e8c2c7b8792e00d4660e1c565d687d0c0dbfde0dbbe6528b6d06e0eb341a20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9e8c2c7b8792e00d4660e1c565d687d0c0dbfde0dbbe6528b6d06e0eb341a20", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_map.rs:9:42
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Ord;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/_map.rs:137:42
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Eq
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/_map.rs:171:42
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vec_sorted_map.rs:139:42
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_set.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Ord;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_set.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Eq
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_set.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/vec_sorted_set.rs:146:19
[INFO] [stderr]     |
[INFO] [stderr] 146 | impl<'a,T> Extend<(&'a T)> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stderr]     |                   ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vec_sorted_set.rs:162:42
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_seq.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>;
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:68:33
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `protocoll` (lib) generated 13 warnings
[INFO] [stderr] warning: `protocoll` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/protocoll-9fb98cdbfea31dde)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests protocoll
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/vec_sorted_set.rs:146:19
[INFO] [stderr]     |
[INFO] [stderr] 146 | impl<'a,T> Extend<(&'a T)> for VecSortedSet<T> where T:Ord+Copy
[INFO] [stderr]     |                   ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name protocoll --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern protocoll=/opt/rustwide/target/debug/deps/libprotocoll-7f45db18f27096e2.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a9e8c2c7b8792e00d4660e1c565d687d0c0dbfde0dbbe6528b6d06e0eb341a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e8c2c7b8792e00d4660e1c565d687d0c0dbfde0dbbe6528b6d06e0eb341a20", kill_on_drop: false }`
[INFO] [stdout] a9e8c2c7b8792e00d4660e1c565d687d0c0dbfde0dbbe6528b6d06e0eb341a20