[INFO] fetching crate galvanic-assert 0.8.7...
[INFO] testing galvanic-assert-0.8.7 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate galvanic-assert 0.8.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate galvanic-assert 0.8.7 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate galvanic-assert 0.8.7
[INFO] finished tweaking crates.io crate galvanic-assert 0.8.7
[INFO] tweaked toml for crates.io crate galvanic-assert 0.8.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd0bf4cca1fc1de149615ee75e4f29dcab27efbf1bbdc47b0d5ac32cbc99af33
[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" "cd0bf4cca1fc1de149615ee75e4f29dcab27efbf1bbdc47b0d5ac32cbc99af33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd0bf4cca1fc1de149615ee75e4f29dcab27efbf1bbdc47b0d5ac32cbc99af33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0bf4cca1fc1de149615ee75e4f29dcab27efbf1bbdc47b0d5ac32cbc99af33", kill_on_drop: false }`
[INFO] [stdout] cd0bf4cca1fc1de149615ee75e4f29dcab27efbf1bbdc47b0d5ac32cbc99af33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] e2803f3ed69fdb999dd677cc7e56bcfc6e630a578f164a40aa68f6a162713b7c
[INFO] running `Command { std: "docker" "start" "-a" "e2803f3ed69fdb999dd677cc7e56bcfc6e630a578f164a40aa68f6a162713b7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling galvanic-assert v0.8.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout] 49 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:116:22
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub matcher: Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout] 116 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:43:52
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 43 + pub fn assertion_always_succeeds<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn any_value<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 - pub fn any_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 55 + pub fn any_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:71:49
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 - pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 71 + pub fn assertion_always_fails<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:88:35
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stdout] 88 + pub fn no_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:101:62
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 101 + pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:101:34
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 101 + pub fn is<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:117:63
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 117 + pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:117:35
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 117 + pub fn has<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:130:64
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 130 + pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:130:36
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 130 + pub fn not<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:154:44
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 154 - pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 154 + pub fn equal_to<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:170:62
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 - pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stdout] 170 + pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 - pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 183 + pub fn less_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:198:63
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 - pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stdout] 198 + pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:211:48
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 211 - pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 211 + pub fn greater_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:226:63
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 - pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stdout] 226 + pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:240:54
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 - pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 240 + pub fn less_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:256:64
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 256 - pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stdout] 256 + pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:270:57
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 - pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 270 + pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 | pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 286 - pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stdout] 286 + pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:299:52
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 299 - pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 299 + pub fn close_to<'a, T>(expected: T, eps: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:334:51
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 334 - pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 334 + pub fn same_object<'a, T>(expected: &'a T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout] 55 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:63:35
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout] 63 +     pub fn and(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout] 122 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout] 130 +     pub fn or(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:67:71
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:67:43
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:88:76
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:88:48
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/variant.rs:109:77
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/variant.rs:109:49
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/collection.rs:47:78
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 - pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 47 + pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:109:74
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 109 + pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:166:72
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 - pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 166 + pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:214:63
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 - pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 214 + pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:248:88
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 248 - pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 248 + pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:289:97
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 - pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 289 + pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:329:62
[INFO] [stdout]     |
[INFO] [stdout] 329 | pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 329 - pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 329 + pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:375:71
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 375 - pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 375 + pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:422:42
[INFO] [stdout]     |
[INFO] [stdout] 422 | pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 422 - pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 422 + pub fn sorted_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:439:51
[INFO] [stdout]     |
[INFO] [stdout] 439 | pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 439 - pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 439 + pub fn sorted_strictly_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:456:43
[INFO] [stdout]     |
[INFO] [stdout] 456 | pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 456 - pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 456 + pub fn sorted_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:473:52
[INFO] [stdout]     |
[INFO] [stdout] 473 | pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 473 - pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 473 + pub fn sorted_strictly_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:490:60
[INFO] [stdout]     |
[INFO] [stdout] 490 | pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 - pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 490 + pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:518:61
[INFO] [stdout]     |
[INFO] [stdout] 518 | pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 518 - pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 518 + pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:566:62
[INFO] [stdout]     |
[INFO] [stdout] 566 | pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 566 - pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 566 + pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:637:50
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 637 - pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 637 + pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:690:52
[INFO] [stdout]     |
[INFO] [stdout] 690 | pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 690 - pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 690 + pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "e2803f3ed69fdb999dd677cc7e56bcfc6e630a578f164a40aa68f6a162713b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2803f3ed69fdb999dd677cc7e56bcfc6e630a578f164a40aa68f6a162713b7c", kill_on_drop: false }`
[INFO] [stdout] e2803f3ed69fdb999dd677cc7e56bcfc6e630a578f164a40aa68f6a162713b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da571cfe771e559d6732a22fc3854e37573825bdd150288587b28daa000217fd
[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" "da571cfe771e559d6732a22fc3854e37573825bdd150288587b28daa000217fd", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout] 49 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:116:22
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub matcher: Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout] 116 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:43:52
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 43 + pub fn assertion_always_succeeds<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn any_value<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 - pub fn any_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 55 + pub fn any_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:71:49
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 - pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 71 + pub fn assertion_always_fails<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:88:35
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stdout] 88 + pub fn no_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:101:62
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 101 + pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:101:34
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 101 + pub fn is<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:117:63
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 117 + pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:117:35
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 117 + pub fn has<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:130:64
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 130 + pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:130:36
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 130 + pub fn not<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:154:44
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 154 - pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 154 + pub fn equal_to<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:170:62
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 - pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stdout] 170 + pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 - pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 183 + pub fn less_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:198:63
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 - pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stdout] 198 + pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:211:48
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 211 - pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 211 + pub fn greater_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:226:63
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 - pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stdout] 226 + pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:240:54
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 - pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 240 + pub fn less_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:256:64
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 256 - pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stdout] 256 + pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:270:57
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 - pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 270 + pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 | pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 286 - pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stdout] 286 + pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:299:52
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 299 - pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 299 + pub fn close_to<'a, T>(expected: T, eps: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:334:51
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 334 - pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 334 + pub fn same_object<'a, T>(expected: &'a T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout] 55 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:63:35
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout] 63 +     pub fn and(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout] 122 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout] 130 +     pub fn or(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:67:71
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:67:43
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:88:76
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:88:48
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/variant.rs:109:77
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/variant.rs:109:49
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/collection.rs:47:78
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 - pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 47 + pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:109:74
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 109 + pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:166:72
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 - pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 166 + pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:214:63
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 - pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 214 + pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:248:88
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 248 - pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 248 + pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:289:97
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 - pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 289 + pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:329:62
[INFO] [stdout]     |
[INFO] [stdout] 329 | pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 329 - pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 329 + pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:375:71
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 375 - pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 375 + pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:422:42
[INFO] [stdout]     |
[INFO] [stdout] 422 | pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 422 - pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 422 + pub fn sorted_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:439:51
[INFO] [stdout]     |
[INFO] [stdout] 439 | pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 439 - pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 439 + pub fn sorted_strictly_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:456:43
[INFO] [stdout]     |
[INFO] [stdout] 456 | pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 456 - pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 456 + pub fn sorted_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:473:52
[INFO] [stdout]     |
[INFO] [stdout] 473 | pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 473 - pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 473 + pub fn sorted_strictly_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:490:60
[INFO] [stdout]     |
[INFO] [stdout] 490 | pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 - pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 490 + pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:518:61
[INFO] [stdout]     |
[INFO] [stdout] 518 | pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 518 - pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 518 + pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:566:62
[INFO] [stdout]     |
[INFO] [stdout] 566 | pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 566 - pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 566 + pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:637:50
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 637 - pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 637 + pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:690:52
[INFO] [stdout]     |
[INFO] [stdout] 690 | pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 690 - pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 690 + pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling galvanic-assert v0.8.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout] 49 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:116:22
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub matcher: Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stdout] 116 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:43:52
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 43 + pub fn assertion_always_succeeds<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn any_value<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 - pub fn any_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 55 + pub fn any_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:71:49
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 - pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 71 + pub fn assertion_always_fails<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/core.rs:88:35
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stdout] 88 + pub fn no_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:101:62
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 101 + pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:101:34
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 101 + pub fn is<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:117:63
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 117 + pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:117:35
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 117 + pub fn has<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:130:64
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 130 + pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:130:36
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout] 130 + pub fn not<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:154:44
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 154 - pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 154 + pub fn equal_to<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:170:62
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 - pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stdout] 170 + pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 - pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 183 + pub fn less_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:198:63
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 - pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stdout] 198 + pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:211:48
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 211 - pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 211 + pub fn greater_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:226:63
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 - pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stdout] 226 + pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:240:54
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 - pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 240 + pub fn less_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:256:64
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 256 - pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stdout] 256 + pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:270:57
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 - pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 270 + pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 | pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 286 - pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stdout] 286 + pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:299:52
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 299 - pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 299 + pub fn close_to<'a, T>(expected: T, eps: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/core.rs:334:51
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 334 - pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 334 + pub fn same_object<'a, T>(expected: &'a T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout] 55 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/combinators.rs:63:35
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout] 63 +     pub fn and(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout] 122 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/combinators.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 -     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout] 130 +     pub fn or(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:67:71
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:67:43
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:88:76
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/variant.rs:88:48
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/variant.rs:109:77
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/variant.rs:109:49
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matchers/collection.rs:47:78
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 - pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 47 + pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:109:74
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 - pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 109 + pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:166:72
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 - pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stdout] 166 + pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:214:63
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 - pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'a,T> + 'a>
[INFO] [stdout] 214 + pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:248:88
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 248 - pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 248 + pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:289:97
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 - pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 289 + pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:329:62
[INFO] [stdout]     |
[INFO] [stdout] 329 | pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 329 - pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 329 + pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:375:71
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 375 - pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 375 + pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:422:42
[INFO] [stdout]     |
[INFO] [stdout] 422 | pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 422 - pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 422 + pub fn sorted_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:439:51
[INFO] [stdout]     |
[INFO] [stdout] 439 | pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 439 - pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 439 + pub fn sorted_strictly_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:456:43
[INFO] [stdout]     |
[INFO] [stdout] 456 | pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 456 - pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 456 + pub fn sorted_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:473:52
[INFO] [stdout]     |
[INFO] [stdout] 473 | pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 473 - pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 473 + pub fn sorted_strictly_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:490:60
[INFO] [stdout]     |
[INFO] [stdout] 490 | pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 - pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 490 + pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:518:61
[INFO] [stdout]     |
[INFO] [stdout] 518 | pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 518 - pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] 518 + pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:566:62
[INFO] [stdout]     |
[INFO] [stdout] 566 | pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 566 - pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 566 + pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:637:50
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 637 - pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 637 + pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matchers/collection.rs:690:52
[INFO] [stdout]     |
[INFO] [stdout] 690 | pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 690 - pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stdout] 690 + pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]    --> tests/expectations.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             #[allow(unused_variables)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `expect_that`
[INFO] [stdout]    --> tests/expectations.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             expect_that!(1 != 1);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> tests/expectations.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let e = get_expectation_for!(1 == 1, panics);
[INFO] [stdout]    |                                          ^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let e = get_expectation_for!(let _ = 1 == 1, panics);
[INFO] [stdout]    |                                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> tests/expectations.rs:101:42
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let e = get_expectation_for!(1 == 1, does not panic);
[INFO] [stdout]     |                                          ^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let e = get_expectation_for!(let _ = 1 == 1, does not panic);
[INFO] [stdout]     |                                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> tests/expectations.rs:178:26
[INFO] [stdout]     |
[INFO] [stdout] 178 |             expect_that!(1 == 1, panics);
[INFO] [stdout]     |                          ^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |             expect_that!(let _ = 1 == 1, panics);
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]    --> tests/expectations.rs:187:26
[INFO] [stdout]     |
[INFO] [stdout] 187 |             expect_that!(1 == 1, does not panic);
[INFO] [stdout]     |                          ^^^^^^ the comparison produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 187 |             expect_that!(let _ = 1 == 1, does not panic);
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> tests/core_matchers.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |             assert_that!(&1+1, panics);
[INFO] [stdout]    |                          ^^^^ the arithmetic operation produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |             assert_that!(let _ = &1+1, panics);
[INFO] [stdout]    |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> tests/core_matchers.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |         assert_that!(&1+1, does not panic);
[INFO] [stdout]    |                      ^^^^ the arithmetic operation produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         assert_that!(let _ = &1+1, does not panic);
[INFO] [stdout]    |                      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.60s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/galvanic_assert-ceffb7958bbd6bb3)
[INFO] [stderr]   Executable tests/collections_matchers.rs (/opt/rustwide/target/debug/deps/collections_matchers-49f95dbf6c3f2805)
[INFO] [stderr]   Executable tests/combinator_matchers.rs (/opt/rustwide/target/debug/deps/combinator_matchers-db6284435a221685)
[INFO] [stderr]   Executable tests/core_matchers.rs (/opt/rustwide/target/debug/deps/core_matchers-d9c984ad81040ddb)
[INFO] [stderr]   Executable tests/expectations.rs (/opt/rustwide/target/debug/deps/expectations-358a1c45eeb4eedd)
[INFO] [stderr]   Executable tests/variant_matchers.rs (/opt/rustwide/target/debug/deps/variant_matchers-1aa14ae3587a9dc8)
[INFO] running `Command { std: "docker" "inspect" "da571cfe771e559d6732a22fc3854e37573825bdd150288587b28daa000217fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da571cfe771e559d6732a22fc3854e37573825bdd150288587b28daa000217fd", kill_on_drop: false }`
[INFO] [stdout] da571cfe771e559d6732a22fc3854e37573825bdd150288587b28daa000217fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 8b25934eb7af927566b9d647f84420e6bc3652f5c030c90a695f6b8178cb25be
[INFO] running `Command { std: "docker" "start" "-a" "8b25934eb7af927566b9d647f84420e6bc3652f5c030c90a695f6b8178cb25be", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/combinators.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 49 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stderr] 49 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/combinators.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 116 -     pub matcher: Box<Matcher<'a,T> + 'a>,
[INFO] [stderr] 116 +     pub matcher: Box<dyn Matcher<'a,T> + 'a>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/core.rs:43:52
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 43 - pub fn assertion_always_succeeds<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 43 + pub fn assertion_always_succeeds<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/core.rs:55:36
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn any_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 - pub fn any_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 55 + pub fn any_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/core.rs:71:49
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 71 - pub fn assertion_always_fails<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 71 + pub fn assertion_always_fails<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/core.rs:88:35
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 88 - pub fn no_value<'a,T:'a>() -> Box<Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stderr] 88 + pub fn no_value<'a,T:'a>() -> Box<dyn Matcher<'a,T> + 'a> { assertion_always_fails() }
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:101:62
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 101 + pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:101:34
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 101 - pub fn is<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 101 + pub fn is<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:117:63
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 117 + pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:117:35
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 117 - pub fn has<'a, T:'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 117 + pub fn has<'a, T:'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:130:64
[INFO] [stderr]     |
[INFO] [stderr] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 130 + pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,T> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:130:36
[INFO] [stderr]     |
[INFO] [stderr] 130 | pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 130 - pub fn not<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr] 130 + pub fn not<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,T> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:154:44
[INFO] [stderr]     |
[INFO] [stderr] 154 | pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 154 - pub fn equal_to<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 154 + pub fn equal_to<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:170:62
[INFO] [stderr]     |
[INFO] [stderr] 170 | pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 170 - pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stderr] 170 + pub fn eq<'a, T: PartialEq + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { equal_to(expected) }
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 183 - pub fn less_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 183 + pub fn less_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:198:63
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 198 - pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stderr] 198 + pub fn lt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than(expected) }
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:211:48
[INFO] [stderr]     |
[INFO] [stderr] 211 | pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 211 - pub fn greater_than<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 211 + pub fn greater_than<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:226:63
[INFO] [stderr]     |
[INFO] [stderr] 226 | pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 226 - pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stderr] 226 + pub fn gt<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than(expected) }
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:240:54
[INFO] [stderr]     |
[INFO] [stderr] 240 | pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 240 - pub fn less_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 240 + pub fn less_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:256:64
[INFO] [stderr]     |
[INFO] [stderr] 256 | pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 256 - pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stderr] 256 + pub fn leq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { less_than_or_equal(expected) }
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:270:57
[INFO] [stderr]     |
[INFO] [stderr] 270 | pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 270 - pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 270 + pub fn greater_than_or_equal<'a, T>(expected: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:286:64
[INFO] [stderr]     |
[INFO] [stderr] 286 | pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 286 - pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stderr] 286 + pub fn geq<'a, T: PartialOrd + Debug + 'a>(expected: T) -> Box<dyn Matcher<'a,T> + 'a> { greater_than_or_equal(expected) }
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:299:52
[INFO] [stderr]     |
[INFO] [stderr] 299 | pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 299 - pub fn close_to<'a, T>(expected: T, eps: T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 299 + pub fn close_to<'a, T>(expected: T, eps: T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/core.rs:334:51
[INFO] [stderr]     |
[INFO] [stderr] 334 | pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 334 - pub fn same_object<'a, T>(expected: &'a T) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 334 + pub fn same_object<'a, T>(expected: &'a T) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/combinators.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stderr] 55 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/combinators.rs:63:35
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 63 -     pub fn and(self, matcher: Box<Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stderr] 63 +     pub fn and(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> All<'a,T> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/combinators.rs:122:28
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 122 -     pub fn of(matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stderr] 122 +     pub fn of(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/combinators.rs:130:34
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 130 -     pub fn or(self, matcher: Box<Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stderr] 130 +     pub fn or(self, matcher: Box<dyn Matcher<'a,T> + 'a>) -> Any<'a,T> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/variant.rs:67:71
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stderr] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Option<T>> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/variant.rs:67:43
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 67 - pub fn maybe_some<'a, T: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stderr] 67 + pub fn maybe_some<'a, T: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Option<T>> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/variant.rs:88:76
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/variant.rs:88:48
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 88 - pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr] 88 + pub fn maybe_ok<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,T> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/variant.rs:109:77
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<dyn Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/variant.rs:109:49
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 109 - pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr] 109 + pub fn maybe_err<'a, T: 'a, E: 'a>(matcher: Box<dyn Matcher<'a,E> + 'a>) -> Box<Matcher<'a,Result<T,E>> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matchers/collection.rs:47:78
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 47 - pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stderr] 47 + pub fn contains_in_any_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:109:74
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 109 - pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stderr] 109 + pub fn contains_in_order<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:166:72
[INFO] [stderr]     |
[INFO] [stderr] 166 | pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 166 - pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<Matcher<'a,J> + 'a>
[INFO] [stderr] 166 + pub fn contains_subset<'a,T:'a,I:'a,J:'a>(expected_elements: I) -> Box<dyn Matcher<'a,J> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:214:63
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 214 - pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<Matcher<'a,T> + 'a>
[INFO] [stderr] 214 + pub fn contained_in<'a,T:'a,I>(expected_to_contain: I) -> Box<dyn Matcher<'a,T> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:248:88
[INFO] [stderr]     |
[INFO] [stderr] 248 | pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 248 - pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 248 + pub fn sorted_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:289:97
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 289 - pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 289 + pub fn sorted_strictly_by<'a,T,I,P>(predicate: P, expected_ordering: std::cmp::Ordering) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:329:62
[INFO] [stderr]     |
[INFO] [stderr] 329 | pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 329 - pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 329 + pub fn sorted_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:375:71
[INFO] [stderr]     |
[INFO] [stderr] 375 | pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 375 - pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 375 + pub fn sorted_strictly_by_in_any_order<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:422:42
[INFO] [stderr]     |
[INFO] [stderr] 422 | pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 422 - pub fn sorted_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 422 + pub fn sorted_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:439:51
[INFO] [stderr]     |
[INFO] [stderr] 439 | pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 439 - pub fn sorted_strictly_ascending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 439 + pub fn sorted_strictly_ascending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:456:43
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 456 | pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stdout] running 1 test
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 456 - pub fn sorted_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 456 + pub fn sorted_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:473:52
[INFO] [stderr]     |
[INFO] [stderr] 473 | pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 473 - pub fn sorted_strictly_descending<'a,T,I>() -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 473 + pub fn sorted_strictly_descending<'a,T,I>() -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:490:60
[INFO] [stderr]     |
[INFO] [stderr] 490 | pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 490 - pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 490 + pub fn all_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:518:61
[INFO] [stderr]     |
[INFO] [stderr] 518 | pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 518 - pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<Fn(&'a I) -> MatchResult>
[INFO] [stderr] 518 + pub fn some_elements_satisfy<'a,T,I,P>(predicate: P) -> Box<dyn Fn(&'a I) -> MatchResult>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:566:62
[INFO] [stderr]     |
[INFO] [stderr] 566 | pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + 'a>
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 566 - pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<Matcher<'a,M> + 'a>
[INFO] [stderr] 566 + pub fn has_entry<'a,K:'a,V:'a,M:'a>(key: K, value: V) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:637:50
[INFO] [stderr]     |
[INFO] [stderr] 637 | pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 637 - pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stderr] 637 + pub fn has_key<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matchers/collection.rs:690:52
[INFO] [stderr]     |
[INFO] [stderr] 690 | pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 690 - pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<Matcher<'a,M> + 'a>
[INFO] [stderr] 690 + pub fn has_value<'a,K:'a,V:'a,M:'a>(key: K) -> Box<dyn Matcher<'a,M> + 'a>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `galvanic-assert` (lib) generated 51 warnings
[INFO] [stderr] warning: `galvanic-assert` (lib test) generated 51 warnings (51 duplicates)
[INFO] [stderr] warning: unused attribute `allow`
[INFO] [stderr]    --> tests/expectations.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             #[allow(unused_variables)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `expect_that`
[INFO] [stderr]    --> tests/expectations.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             expect_that!(1 != 1);
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]   --> tests/expectations.rs:91:42
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let e = get_expectation_for!(1 == 1, panics);
[INFO] [stderr]    |                                          ^^^^^^ the comparison produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let e = get_expectation_for!(let _ = 1 == 1, panics);
[INFO] [stderr]    |                                          +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> tests/expectations.rs:101:42
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let e = get_expectation_for!(1 == 1, does not panic);
[INFO] [stderr]     |                                          ^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let e = get_expectation_for!(let _ = 1 == 1, does not panic);
[INFO] [stderr]     |                                          +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> tests/expectations.rs:178:26
[INFO] [stderr]     |
[INFO] [stderr] 178 |             expect_that!(1 == 1, panics);
[INFO] [stderr]     |                          ^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 178 |             expect_that!(let _ = 1 == 1, panics);
[INFO] [stderr]     |                          +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> tests/expectations.rs:187:26
[INFO] [stderr]     |
[INFO] [stderr] 187 |             expect_that!(1 == 1, does not panic);
[INFO] [stderr]     |                          ^^^^^^ the comparison produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 187 |             expect_that!(let _ = 1 == 1, does not panic);
[INFO] [stderr]     |                          +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> tests/core_matchers.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |             assert_that!(&1+1, panics);
[INFO] [stderr]    |                          ^^^^ the arithmetic operation produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 34 |             assert_that!(let _ = &1+1, panics);
[INFO] [stderr]    |                          +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> tests/core_matchers.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |         assert_that!(&1+1, does not panic);
[INFO] [stderr]    |                      ^^^^ the arithmetic operation produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |         assert_that!(let _ = &1+1, does not panic);
[INFO] [stderr]    |                      +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `galvanic-assert` (test "expectations") generated 5 warnings
[INFO] [stderr] warning: `galvanic-assert` (test "core_matchers") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/galvanic_assert-ceffb7958bbd6bb3)
[INFO] [stdout] test test::should_bool ... ok
[INFO] [stderr]      Running tests/collections_matchers.rs (/opt/rustwide/target/debug/deps/collections_matchers-49f95dbf6c3f2805)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 78 tests
[INFO] [stdout] test contains_in_order::should_match_empty_collection ... ok
[INFO] [stdout] test contains_subset::should_match ... ok
[INFO] [stdout] test all_elements_satisfy::should_match ... ok
[INFO] [stdout] test contains_in_any_order::should_match ... ok
[INFO] [stdout] test contains_in_any_order::should_match_empty_collection ... ok
[INFO] [stdout] test all_elements_satisfy::should_match_empty_collection ... ok
[INFO] [stdout] test contains_subset::should_match_empty_collection ... ok
[INFO] [stdout] test contains_in_order::should_match ... ok
[INFO] [stdout] test contains_subset::should_match_empty_subset ... ok
[INFO] [stdout] test has_entry::ordered_map::should_match ... ok
[INFO] [stdout] test contained_in::should_match ... ok
[INFO] [stdout] test has_entry::hash_map::should_match ... ok
[INFO] [stdout] test has_key::ordered_map::should_match ... ok
[INFO] [stdout] test has_key::hash_map::should_match ... ok
[INFO] [stdout] test all_elements_satisfy::should_fail ... ok
[INFO] [stdout] test contains_subset::should_fail_due_to_missing_element ... ok
[INFO] [stdout] test contains_in_any_order::should_fail_due_to_missing_element ... ok
[INFO] [stdout] test contained_in::should_fail ... ok
[INFO] [stdout] test contains_in_order::should_fail_due_to_missing_element ... ok
[INFO] [stdout] test contains_in_order::should_fail_due_to_unexpected_element ... ok
[INFO] [stdout] test contains_in_order::should_fail_due_to_unordered_element ... ok
[INFO] [stdout] test contains_in_any_order::should_fail_due_to_unexpected_element ... ok
[INFO] [stdout] test has_entry::hash_map::should_fail_due_to_missing_key ... ok
[INFO] [stdout] test has_entry::hash_map::should_fail_due_to_wrong_entry ... ok
[INFO] [stdout] test has_entry::ordered_map::should_fail_due_to_missing_key ... ok
[INFO] [stdout] test some_elements_satisfy::should_match ... ok
[INFO] [stdout] test has_key::ordered_map::should_fail_due_to_missing_key ... ok
[INFO] [stdout] test sorted_by::should_match ... ok
[INFO] [stdout] test has_key::hash_map::should_fail_due_to_missing_key ... ok
[INFO] [stdout] test sorted_ascending::should_match ... ok
[INFO] [stdout] test has_entry::ordered_map::should_fail_due_to_wrong_entry ... ok
[INFO] [stdout] test some_elements_satisfy::should_fail ... ok
[INFO] [stdout] test some_elements_satisfy::should_fail_empty_collection ... ok
[INFO] [stdout] test sorted_by::should_match_some_eq ... ok
[INFO] [stdout] test sorted_by::should_match_single_element ... ok
[INFO] [stdout] test sorted_by::should_match_all_eq ... ok
[INFO] [stdout] test sorted_by::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_by::should_match_eq_then_ordered ... ok
[INFO] [stdout] test sorted_by::should_fail_some_eq_then_unordered ... ok
[INFO] [stdout] test sorted_by::should_fail_unordered ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_fail_unordered ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_match_all_eq ... ok
[INFO] [stdout] test sorted_strictly_ascending::should_fail_unordered ... ok
[INFO] [stdout] test sorted_strictly_ascending::should_fail_reversed ... ok
[INFO] [stdout] test sorted_strictly_ascending::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_strictly_ascending::should_match ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_fail_some_eq_then_unordered ... ok
[INFO] [stdout] test sorted_ascending::should_fail_reversed ... ok
[INFO] [stdout] test sorted_ascending::should_fail_unordered ... ok
[INFO] [stdout] test sorted_ascending::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_match_eq_then_ordered ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_match_single_element ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_match_sorted_ascending ... ok
[INFO] [stdout] test sorted_strictly_by::should_fail_not_strict ... ok
[INFO] [stdout] test sorted_by_in_any_order::should_match_sorted_descending ... ok
[INFO] [stdout] test sorted_strictly_by::should_match ... ok
[INFO] [stdout] test sorted_strictly_by::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_strictly_by::should_match_single_element ... ok
[INFO] [stdout] test sorted_descending::should_fail ... ok
[INFO] [stdout] test sorted_descending::should_match ... ok
[INFO] [stdout] test sorted_descending::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_strictly_by_in_any_order::should_fail_not_strict ... ok
[INFO] [stdout] test sorted_strictly_by_in_any_order::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_strictly_by_in_any_order::should_match_single_element ... ok
[INFO] [stdout] test sorted_strictly_by_in_any_order::should_match_sorted_strictly_ascending ... ok
[INFO] [stdout] test sorted_strictly_by_in_any_order::should_fail_unordered ... ok
[INFO] [stdout] test sorted_strictly_by_in_any_order::should_match_sorted_strictly_descending ... ok
[INFO] [stdout] test sorted_strictly_descending::should_fail_not_strict ... ok
[INFO] [stdout] test sorted_strictly_descending::should_fail_reversed ... ok
[INFO] [stdout] test sorted_strictly_descending::should_fail_unordered ... ok
[INFO] [stdout] test sorted_strictly_by_in_any_order::should_fail_all_eq ... ok
[INFO] [stdout] test sorted_strictly_by::should_fail_all_eq ... ok
[INFO] [stdout] test sorted_strictly_by::should_fail_unordered ... ok
[INFO] [stderr]      Running tests/combinator_matchers.rs (/opt/rustwide/target/debug/deps/combinator_matchers-db6284435a221685)
[INFO] [stdout] test sorted_strictly_descending::should_match ... ok
[INFO] [stdout] test sorted_strictly_descending::should_match_empty_collection ... ok
[INFO] [stdout] test sorted_descending::should_fail_reversed ... ok
[INFO] [stdout] test sorted_strictly_ascending::should_fail_not_strict ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 78 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test any_of::should_match_if_none_fails ... ok
[INFO] [stdout] test any_of::should_match_if_some_fails ... ok
[INFO] [stdout] test combining_variant_matchers::should_match ... ok
[INFO] [stdout] test any_of::should_match_with_macro ... ok
[INFO] [stdout] test combining_combinators::should_match_combined_any_all ... ok
[INFO] [stdout] test combining_combinators::should_match_combined_all_any ... ok
[INFO] [stdout] test combining_combinators::should_match_combined_not_any ... ok
[INFO] [stdout] test all_of::should_match_with_macro ... ok
[INFO] [stdout] test all_of::should_match ... ok
[INFO] [stdout] test all_of::should_fail ... ok
[INFO] [stderr]      Running tests/core_matchers.rs (/opt/rustwide/target/debug/deps/core_matchers-d9c984ad81040ddb)
[INFO] [stdout] test any_of::should_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test assert_does_not_panic::should_assert_that_no_panic_occurred ... ok
[INFO] [stdout] test assert_expression::should_assert_an_expression_to_be_true_with_reason ... ok
[INFO] [stdout] test greater_than::should_match ... ok
[INFO] [stdout] test greater_than_or_equal::should_match ... ok
[INFO] [stdout] test has_structure::enum_like::should_match ... ok
[INFO] [stdout] test eq::should_match ... ok
[INFO] [stdout] test close_to::should_match ... ok
[INFO] [stdout] test assert_expression::should_assert_an_expression_to_be_true ... ok
[INFO] [stdout] test has_structure::struct_like::should_match ... ok
[INFO] [stdout] test has_structure::tuple_like::should_match ... ok
[INFO] [stdout] test has_structure::struct_like::should_match_incomplete_field_list ... ok
[INFO] [stdout] test invariants::assertion_should_succeed ... ok
[INFO] [stdout] test less_than::should_match ... ok
[INFO] [stdout] test less_than_or_equal::should_match ... ok
[INFO] [stdout] test assert_expression::should_fail_to_assert_an_expression_to_be_true ... ok
[INFO] [stdout] test not::should_invert_success ... ok
[INFO] [stdout] test assert_panic::should_assert_a_panic ... ok
[INFO] [stdout] test assert_expression::should_fail_to_assert_an_expression_to_be_true_with_reason ... ok
[INFO] [stdout] test greater_than::should_fail ... ok
[INFO] [stdout] test same_object::should_fail ... ok
[INFO] [stdout] test same_object::should_match ... ok
[INFO] [stdout] test eq::should_fail ... ok
[INFO] [stdout] test assert_does_not_panic::should_fail_to_assert_a_panic ... ok
[INFO] [stdout] test assert_panic::should_fail_to_assert_a_panic ... ok
[INFO] [stdout] test greater_than_or_equal::should_fail ... ok
[INFO] [stdout] test close_to::should_fail ... ok
[INFO] [stdout] test has_structure::tuple_like::should_fail - should panic ... ok
[INFO] [stdout] test has_structure::struct_like::should_fail - should panic ... ok
[INFO] [stdout] test less_than::should_fail ... ok
[INFO] [stdout] test invariants::assertion_should_fail ... ok
[INFO] [stdout] test has_structure::enum_like::should_fail ... ok
[INFO] [stdout] test not::should_invert_fail ... ok
[INFO] [stderr]      Running tests/expectations.rs (/opt/rustwide/target/debug/deps/expectations-358a1c45eeb4eedd)
[INFO] [stdout] test less_than_or_equal::should_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test expect_that::use_expression::should_expect_an_expression_to_be_true ... ok
[INFO] [stdout] test expect_that::use_no_panic::should_expect_an_expression_to_not_panic ... ok
[INFO] [stdout] test expect_that::use_matcher::should_expect_a_matcher_to_succeed ... ok
[INFO] [stdout] test get_expectation_for::use_expression::should_get_an_expectation_asserting_an_expression_to_be_true ... ok
[INFO] [stdout] test expect_that::use_expression::should_get_multiple_expectations_asserting_an_expression_to_be_true ... ok
[INFO] [stdout] test get_expectation_for::use_expression::should_get_an_expectation_asserting_an_expression_to_be_true_and_verify_manually ... ok
[INFO] [stdout] test get_expectation_for::use_expression::should_get_multiple_expectations_asserting_an_expression_to_be_true ... ok
[INFO] [stdout] test get_expectation_for::use_matcher::should_get_an_expectation_asserting_a_matcher_to_succeed ... ok
[INFO] [stdout] test get_expectation_for::use_no_panic::should_get_an_expectation_asserting_an_expression_to_not_panic ... ok
[INFO] [stdout] test expect_that::use_expression::should_be_failing_to_expect_an_expression_to_be_true - should panic ... ok
[INFO] [stdout] test expect_that::use_no_panic::should_be_failing_to_expect_an_expression_to_panic - should panic ... ok
[INFO] [stdout] test expect_that::use_matcher::should_expect_a_matcher_to_fail - should panic ... ok
[INFO] [stdout] test expect_that::use_expression::should_get_multiple_expectations_failing_to_assert_an_expression_to_be_true - should panic ... ok
[INFO] [stdout] test get_expectation_for::use_panic::should_get_an_expectation_failing_to_assert_an_expression_to_panic - should panic ... ok
[INFO] [stdout] test get_expectation_for::use_expression::should_get_an_expectation_failing_to_assert_an_expression_to_be_true - should panic ... ok
[INFO] [stdout] test get_expectation_for::use_matcher::should_get_an_expectation_asserting_a_matcher_to_fail - should panic ... ok
[INFO] [stdout] test get_expectation_for::use_expression::should_get_multiple_expectations_some_failing_to_assert_an_expression_to_be_true ... ok
[INFO] [stdout] test get_expectation_for::use_expression::should_get_an_expectation_failing_to_assert_an_expression_to_be_true_and_verify_manually - should panic ... ok
[INFO] [stdout] test expect_that::use_expression::should_get_multiple_expectations_some_failing_to_assert_an_expression_to_be_true - should panic ... ok
[INFO] [stdout] test expect_that::use_panic::should_be_failing_to_expect_an_expression_to_panic - should panic ... ok
[INFO] [stdout] test get_expectation_for::use_expression::should_get_multiple_expectations_failing_to_assert_an_expression_to_be_true ... ok
[INFO] [stdout] test expect_that::use_panic::should_expect_an_expression_to_panic ... ok
[INFO] [stdout] test get_expectation_for::use_panic::should_get_an_expectation_asserting_an_expression_to_panic ... ok
[INFO] [stdout] test get_expectation_for::use_no_panic::should_get_an_expectation_failing_to_assert_an_expression_to_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/variant_matchers.rs (/opt/rustwide/target/debug/deps/variant_matchers-1aa14ae3587a9dc8)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test maybe_err::should_succeed ... ok
[INFO] [stdout] test is_variant::should_succeed ... ok
[INFO] [stdout] test maybe_ok::should_succeed ... ok
[INFO] [stdout] test maybe_some::should_succeed ... ok
[INFO] [stdout] test is_variant::should_fail ... ok
[INFO] [stdout] test maybe_err::should_fail_because_of_none_value - should panic ... ok
[INFO] [stdout] test maybe_ok::should_fail_because_of_none_value - should panic ... ok
[INFO] [stdout] test maybe_ok::should_fail_because_nested_matcher_fails - should panic ... ok
[INFO] [stdout] test maybe_some::should_fail_because_of_none_value - should panic ... ok
[INFO] [stdout] test maybe_some::should_fail_because_nested_matcher_fails - should panic ... ok
[INFO] [stdout] test maybe_err::should_fail_because_nested_matcher_fails - should panic ... ok
[INFO] [stderr]    Doc-tests galvanic-assert
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 58 tests
[INFO] [stdout] test src/lib.rs - assert_that (line 38) ... ignored
[INFO] [stdout] test src/lib.rs - assert_that (line 46) ... ignored
[INFO] [stdout] test src/lib.rs - assert_that (line 55) ... ignored
[INFO] [stdout] test src/lib.rs - expect_that (line 224) ... ignored
[INFO] [stdout] test src/lib.rs - expect_that (line 232) ... ignored
[INFO] [stdout] test src/lib.rs - expect_that (line 241) ... ignored
[INFO] [stdout] test src/lib.rs - expect_that (line 248) ... ignored
[INFO] [stdout] test src/lib.rs - get_expectation_for (line 113) ... ignored
[INFO] [stdout] test src/lib.rs - get_expectation_for (line 121) ... ignored
[INFO] [stdout] test src/lib.rs - get_expectation_for (line 130) ... ignored
[INFO] [stdout] test src/lib.rs - get_expectation_for (line 137) ... ignored
[INFO] [stdout] test src/lib.rs - get_expectation_for (line 145) ... ignored
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::contains_subset (line 160) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_descending (line 450) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_strictly_by (line 282) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_by_in_any_order (line 322) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_by (line 241) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::contained_in (line 208) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_ascending (line 416) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_strictly_by_in_any_order (line 368) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_strictly_ascending (line 433) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::some_elements_satisfy (line 512) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::has_value (line 677) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::contains_in_any_order (line 31) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::contains_in_order (line 93) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::all_elements_satisfy (line 484) ... ok
[INFO] [stdout] test src/matchers/combinators.rs - matchers::combinators::All (line 42) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::has_key (line 624) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::has_entry (line 553) ... ok
[INFO] [stdout] test src/matchers/combinators.rs - matchers::combinators::Any (line 109) ... ok
[INFO] [stdout] test src/matchers/collection.rs - matchers::collection::sorted_strictly_descending (line 467) ... ok
[INFO] [stdout] test src/matchers/combinators.rs - matchers::combinators::all_of (line 21) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::close_to (line 293) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::greater_than_or_equal (line 263) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::greater_than (line 205) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::any_value (line 49) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::assertion_always_fails (line 62) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::assertion_always_succeeds (line 37) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::geq (line 279) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::gt (line 220) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::eq (line 164) ... ok
[INFO] [stdout] test src/matchers/combinators.rs - matchers::combinators::any_of (line 88) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::equal_to (line 148) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::has (line 110) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::is (line 95) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::less_than_or_equal (line 233) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::leq (line 249) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::less_than (line 177) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::lt (line 192) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::has_structure (line 360) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::same_object (line 318) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::no_value (line 79) ... ok
[INFO] [stdout] test src/matchers/variant.rs - matchers::variant::maybe_err (line 101) ... ok
[INFO] [stdout] test src/matchers/variant.rs - matchers::variant::is_variant (line 34) ... ok
[INFO] [stdout] test src/matchers/variant.rs - matchers::variant::is_variant (line 25) ... ok
[INFO] [stdout] test src/matchers/core.rs - matchers::core::not (line 124) ... ok
[INFO] [stdout] test src/matchers/variant.rs - matchers::variant::maybe_some (line 60) ... ok
[INFO] [stdout] test src/matchers/variant.rs - matchers::variant::maybe_ok (line 80) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 12 ignored; 0 measured; 0 filtered out; finished in 9.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b25934eb7af927566b9d647f84420e6bc3652f5c030c90a695f6b8178cb25be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b25934eb7af927566b9d647f84420e6bc3652f5c030c90a695f6b8178cb25be", kill_on_drop: false }`
[INFO] [stdout] 8b25934eb7af927566b9d647f84420e6bc3652f5c030c90a695f6b8178cb25be