[INFO] fetching crate simulacrum_mock 0.1.0...
[INFO] testing simulacrum_mock-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate simulacrum_mock 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate simulacrum_mock 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simulacrum_mock 0.1.0
[INFO] finished tweaking crates.io crate simulacrum_mock 0.1.0
[INFO] tweaked toml for crates.io crate simulacrum_mock 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23a4cb120d8d685f2b7ee934da146a303ceb3831f0ee1231c966c3c661a52ad9
[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" "23a4cb120d8d685f2b7ee934da146a303ceb3831f0ee1231c966c3c661a52ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a4cb120d8d685f2b7ee934da146a303ceb3831f0ee1231c966c3c661a52ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a4cb120d8d685f2b7ee934da146a303ceb3831f0ee1231c966c3c661a52ad9", kill_on_drop: false }`
[INFO] [stdout] 23a4cb120d8d685f2b7ee934da146a303ceb3831f0ee1231c966c3c661a52ad9
[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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 539ae4bf8b31a8798ae2b55743c8ede41dca809ebc24577be4bf4c2c86ae6658
[INFO] running `Command { std: "docker" "start" "-a" "539ae4bf8b31a8798ae2b55743c8ede41dca809ebc24577be4bf4c2c86ae6658", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling handlebox v0.3.0
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr]    Compiling simulacrum_shared v0.1.0
[INFO] [stderr]    Compiling simulacrum_mock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     validator: Box<Validator<I>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<I>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     constraints: Vec<Box<Constraint<I>>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<I>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     modification_fn: Option<Box<FnMut(&mut I)>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut I)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return_fn: Option<Box<FnMut(&I) -> O>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> O`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |     expectations: HandleBox<Box<ExpectationT>>
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn ExpectationT`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "539ae4bf8b31a8798ae2b55743c8ede41dca809ebc24577be4bf4c2c86ae6658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539ae4bf8b31a8798ae2b55743c8ede41dca809ebc24577be4bf4c2c86ae6658", kill_on_drop: false }`
[INFO] [stdout] 539ae4bf8b31a8798ae2b55743c8ede41dca809ebc24577be4bf4c2c86ae6658
[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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb1db42955a9d5896f8e4075d841f7c807d38f1b9d6b9bf6d8a8ad2530ed9da
[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" "8fb1db42955a9d5896f8e4075d841f7c807d38f1b9d6b9bf6d8a8ad2530ed9da", kill_on_drop: false }`
[INFO] [stderr]    Compiling simulacrum_user v0.1.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     validator: Box<Validator<I>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<I>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     constraints: Vec<Box<Constraint<I>>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<I>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     modification_fn: Option<Box<FnMut(&mut I)>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut I)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return_fn: Option<Box<FnMut(&I) -> O>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> O`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |     expectations: HandleBox<Box<ExpectationT>>
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn ExpectationT`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simulacrum_mock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/always.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/always.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     validator: Box<Validator<I>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<I>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<i32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/constraint/stock/params.rs:108:18
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<i32>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     constraints: Vec<Box<Constraint<I>>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<I>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     modification_fn: Option<Box<FnMut(&mut I)>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut I)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     return_fn: Option<Box<FnMut(&I) -> O>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> O`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/expectation/mod.rs:95:34
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stdout]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |     expectations: HandleBox<Box<ExpectationT>>
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn ExpectationT`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/always.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/always.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/params.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<i32>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/constraint/stock/params.rs:108:18
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<i32>>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constraint/stock/times.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "8fb1db42955a9d5896f8e4075d841f7c807d38f1b9d6b9bf6d8a8ad2530ed9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb1db42955a9d5896f8e4075d841f7c807d38f1b9d6b9bf6d8a8ad2530ed9da", kill_on_drop: false }`
[INFO] [stdout] 8fb1db42955a9d5896f8e4075d841f7c807d38f1b9d6b9bf6d8a8ad2530ed9da
[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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 9cb9056e328bbe03fbddd4748fc257a89ed75a992d82fb431674a310c7e41f4b
[INFO] running `Command { std: "docker" "start" "-a" "9cb9056e328bbe03fbddd4748fc257a89ed75a992d82fb431674a310c7e41f4b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 |     validator: Box<Validator<I>>
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<I>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |     constraints: Vec<Box<Constraint<I>>>,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<I>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |     modification_fn: Option<Box<FnMut(&mut I)>>,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut I)`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return_fn: Option<Box<FnMut(&I) -> O>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> O`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:84:34
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stderr]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stderr]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/store.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 |     expectations: HandleBox<Box<ExpectationT>>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn ExpectationT`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/always.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/always.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 |     validator: Box<Validator<I>>
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Validator<I>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:83:18
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:96:18
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<i32>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/constraint/stock/params.rs:108:18
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<i32>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |     constraints: Vec<Box<Constraint<I>>>,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Constraint<I>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |     modification_fn: Option<Box<FnMut(&mut I)>>,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut I)`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return_fn: Option<Box<FnMut(&I) -> O>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&I) -> O`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:84:34
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn as_any(&mut self) -> &mut Any;
[INFO] [stderr]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expectation/mod.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn as_any(&mut self) -> &mut Any {
[INFO] [stderr]    |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/store.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 |     expectations: HandleBox<Box<ExpectationT>>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn ExpectationT`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/always.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/always.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:83:18
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/params.rs:96:18
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<i32>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/constraint/stock/params.rs:108:18
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let r = <Constraint<i32>>::verify(&c);
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<i32>>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraint/stock/times.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let r = <Constraint<()>>::verify(&c);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `<dyn Constraint<()>>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simulacrum_mock-dffbe5563c640620)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test constraint::stock::params::tests::test_handle_call_fail ... ok
[INFO] [stdout] test constraint::stock::always::tests::test_pass ... ok
[INFO] [stdout] test expectation::tests::test_new ... ok
[INFO] [stdout] test constraint::stock::times::tests::test_handle_call ... ok
[INFO] [stdout] test constraint::stock::times::tests::test_pass ... ok
[INFO] [stdout] test expectation::tests::test_return ... ok
[INFO] [stdout] test expectation::tests::test_constrain ... ok
[INFO] [stdout] test expectation::tests::test_handle_call ... ok
[INFO] [stdout] test expectation::tests::test_set_modification ... ok
[INFO] [stdout] test expectation::tests::test_verify_fail ... ok
[INFO] [stdout] test expectation::tests::test_verify_pass ... ok
[INFO] [stdout] test mock::tests::test_called_once ... ok
[INFO] [stdout] test mock::tests::test_called_twice ... ok
[INFO] [stdout] test mock::tests::test_called_never_pass ... ok
[INFO] [stdout] test mock::tests::test_called_any_zero ... ok
[INFO] [stdout] test constraint::stock::always::tests::test_fail ... ok
[INFO] [stdout] test constraint::stock::params::tests::test_handle_call_bad_then_good ... ok
[INFO] [stdout] test constraint::stock::times::tests::test_fail_called_more ... ok
[INFO] [stdout] test constraint::stock::params::tests::test_handle_call_good_then_bad ... ok
[INFO] [stdout] test mock::tests::test_eras_complete_eagerly ... ok
[INFO] [stdout] test mock::tests::test_called_any_two ... ok
[INFO] [stdout] test constraint::stock::params::tests::test_handle_call_pass ... ok
[INFO] [stdout] test constraint::stock::params::tests::test_new ... ok
[INFO] [stdout] test constraint::stock::times::tests::test_fail_called_fewer ... ok
[INFO] [stdout] test mock::tests::test_calls_ignored_after_final_era_completes ... ok
[INFO] [stdout] test mock::tests::test_empty_era_middle ... ok
[INFO] [stdout] test mock::tests::test_param ... ok
[INFO] [stdout] test mock::tests::test_empty_era_end ... ok
[INFO] [stdout] test mock::tests::test_modifications ... ok
[INFO] [stdout] test mock::tests::test_empty_era_leading ... ok
[INFO] [stdout] test mock::tests::test_returning ... ok
[INFO] [stdout] test mock::tests::test_then_multi_call ... ok
[INFO] [stdout] test store::store_tests::test_match_current_era_passed ... ok
[INFO] [stdout] test store::store_tests::test_add ... ok
[INFO] [stdout] test mock::tests::test_then_specific ... ok
[INFO] [stdout] test store::store_tests::test_verify_no_expectations ... ok
[INFO] [stdout] test mock::tests::test_then_never ... ok
[INFO] [stdout] test store::store_tests::test_verify_simple_fail ... ok
[INFO] [stdout] test mock::tests::test_called_never_fail - should panic ... ok
[INFO] [stdout] test mock::tests::test_called_twice_fail - should panic ... ok
[INFO] [stdout] test store::store_tests::test_verify_simple_pass ... ok
[INFO] [stdout] test mock::tests::test_called_once_fail - should panic ... ok
[INFO] [stdout] test expectation::tests::test_return_no_closure_given - should panic ... ok
[INFO] [stdout] test mock::tests::test_param_fail - should panic ... ok
[INFO] [stdout] test store::store_tests::test_match ... ok
[INFO] [stdout] test mock::tests::test_one_expectation_per_era ... ok
[INFO] [stdout] test store::store_tests::test_new_era ... ok
[INFO] [stdout] test store::store_tests::test_new ... ok
[INFO] [stdout] test mock::tests::test_then ... ok
[INFO] [stdout] test mock::tests::test_then_wrong_order_fail - should panic ... ok
[INFO] [stdout] test mock::tests::test_then_partial_fail - should panic ... ok
[INFO] [stdout] test store::store_tests::test_match_current_era ... ok
[INFO] [stdout] test mock::tests::test_returning_no_matches - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simulacrum_mock
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9cb9056e328bbe03fbddd4748fc257a89ed75a992d82fb431674a310c7e41f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb9056e328bbe03fbddd4748fc257a89ed75a992d82fb431674a310c7e41f4b", kill_on_drop: false }`
[INFO] [stdout] 9cb9056e328bbe03fbddd4748fc257a89ed75a992d82fb431674a310c7e41f4b