[INFO] fetching crate downcast 0.10.0...
[INFO] testing downcast-0.10.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate downcast 0.10.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate downcast 0.10.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate downcast 0.10.0
[INFO] finished tweaking crates.io crate downcast 0.10.0
[INFO] tweaked toml for crates.io crate downcast 0.10.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93617cffd4985343f298ac0c8d2426f7c5e47318483fea59ecfa704cc958619f
[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" "93617cffd4985343f298ac0c8d2426f7c5e47318483fea59ecfa704cc958619f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93617cffd4985343f298ac0c8d2426f7c5e47318483fea59ecfa704cc958619f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93617cffd4985343f298ac0c8d2426f7c5e47318483fea59ecfa704cc958619f", kill_on_drop: false }`
[INFO] [stdout] 93617cffd4985343f298ac0c8d2426f7c5e47318483fea59ecfa704cc958619f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 04563d365f3b176a4b48dec7c3c70a4531c714101e3d7846ae2110418db917ee
[INFO] running `Command { std: "docker" "start" "-a" "04563d365f3b176a4b48dec7c3c70a4531c714101e3d7846ae2110418db917ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:406:20
[INFO] [stdout]     |
[INFO] [stdout] 406 |     impl_downcast!(Any);
[INFO] [stdout]     |                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:407:21
[INFO] [stdout]     |
[INFO] [stdout] 407 |     impl_downcast!((Any + Send));
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |     impl_downcast!((Any + Sync));
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |     impl_downcast!((Any + Send + Sync));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn description(&self) -> &str { self.mismatch.description() }
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "04563d365f3b176a4b48dec7c3c70a4531c714101e3d7846ae2110418db917ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04563d365f3b176a4b48dec7c3c70a4531c714101e3d7846ae2110418db917ee", kill_on_drop: false }`
[INFO] [stdout] 04563d365f3b176a4b48dec7c3c70a4531c714101e3d7846ae2110418db917ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ea42f94a7653706cfa58b37a919f53b85c73a8fb35e89b24240189d6829c227
[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" "1ea42f94a7653706cfa58b37a919f53b85c73a8fb35e89b24240189d6829c227", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:406:20
[INFO] [stdout]     |
[INFO] [stdout] 406 |     impl_downcast!(Any);
[INFO] [stdout]     |                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:407:21
[INFO] [stdout]     |
[INFO] [stdout] 407 |     impl_downcast!((Any + Send));
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |     impl_downcast!((Any + Sync));
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |     impl_downcast!((Any + Send + Sync));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn description(&self) -> &str { self.mismatch.description() }
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling downcast v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:406:20
[INFO] [stdout]     |
[INFO] [stdout] 406 |     impl_downcast!(Any);
[INFO] [stdout]     |                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:407:21
[INFO] [stdout]     |
[INFO] [stdout] 407 |     impl_downcast!((Any + Send));
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |     impl_downcast!((Any + Sync));
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |     impl_downcast!((Any + Send + Sync));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/tests.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | downcast!(Simple);
[INFO] [stdout]   |           ^^^^^^ help: use `dyn`: `dyn Simple`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/tests.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | downcast!(Simple);
[INFO] [stdout]   |           ^^^^^^ help: use `dyn`: `dyn Simple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/tests.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | downcast!(<T, U> WithParams<T, U>);
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams<T, U>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/tests.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut a: Box<Simple> = Box::new(ImplA{ data: "data".into() });
[INFO] [stdout]    |                    ^^^^^^ help: use `dyn`: `dyn Simple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/tests.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut a: Box<WithParams<Param1, Param2>> = Box::new(ImplA{ data: "data".into() });
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams<Param1, Param2>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/simple.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | downcast!(Animal);
[INFO] [stdout]    |           ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/simple.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | downcast!(Animal);
[INFO] [stdout]    |           ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/simple.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let animal: Box<Animal> = Box::new(Bird);
[INFO] [stdout]    |                     ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn description(&self) -> &str { self.mismatch.description() }
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/with_params.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | downcast!(<X> Animal<X> where X: Debug);
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn Animal<X>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/with_params.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | downcast!(<X> Animal<X> where X: Debug);
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn Animal<X>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/with_params.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let animal: Box<Animal<usize>> = Box::new(Bird);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Animal<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "1ea42f94a7653706cfa58b37a919f53b85c73a8fb35e89b24240189d6829c227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea42f94a7653706cfa58b37a919f53b85c73a8fb35e89b24240189d6829c227", kill_on_drop: false }`
[INFO] [stdout] 1ea42f94a7653706cfa58b37a919f53b85c73a8fb35e89b24240189d6829c227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 173affb7d8704a5ebcd238a092596290e393275ce4e5892e29f06b5dd92582fd
[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" "173affb7d8704a5ebcd238a092596290e393275ce4e5892e29f06b5dd92582fd", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:406:20
[INFO] [stderr]     |
[INFO] [stderr] 406 |     impl_downcast!(Any);
[INFO] [stderr]     |                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:407:21
[INFO] [stderr]     |
[INFO] [stderr] 407 |     impl_downcast!((Any + Send));
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:408:21
[INFO] [stderr]     |
[INFO] [stderr] 408 |     impl_downcast!((Any + Sync));
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |     impl_downcast!((Any + Send + Sync));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:102:51
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn description(&self) -> &str { self.mismatch.description() }
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:406:20
[INFO] [stderr]     |
[INFO] [stderr] 406 |     impl_downcast!(Any);
[INFO] [stderr]     |                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:407:21
[INFO] [stderr]     |
[INFO] [stderr] 407 |     impl_downcast!((Any + Send));
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:408:21
[INFO] [stderr]     |
[INFO] [stderr] 408 |     impl_downcast!((Any + Sync));
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |     impl_downcast!((Any + Send + Sync));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:102:51
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn description(&self) -> &str { self.mismatch.description() }
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/tests.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | downcast!(Simple);
[INFO] [stderr]   |           ^^^^^^ help: use `dyn`: `dyn Simple`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/tests.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | downcast!(Simple);
[INFO] [stderr]   |           ^^^^^^ help: use `dyn`: `dyn Simple`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/tests.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | downcast!(<T, U> WithParams<T, U>);
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams<T, U>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/tests.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut a: Box<Simple> = Box::new(ImplA{ data: "data".into() });
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn Simple`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/tests.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut a: Box<WithParams<Param1, Param2>> = Box::new(ImplA{ data: "data".into() });
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams<Param1, Param2>`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/with_params.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | downcast!(<X> Animal<X> where X: Debug);
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn Animal<X>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/with_params.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | downcast!(<X> Animal<X> where X: Debug);
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn Animal<X>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/with_params.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let animal: Box<Animal<usize>> = Box::new(Bird);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Animal<usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/simple.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | downcast!(Animal);
[INFO] [stderr]    |           ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/simple.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | downcast!(Animal);
[INFO] [stderr]    |           ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/simple.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let animal: Box<Animal> = Box::new(Bird);
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/downcast-f98215705fa5ec43
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-3bfe3960e681d3c4
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests downcast
[INFO] [stdout] running 2 tests
[INFO] [stdout] test with_params ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - downcast_methods (line 341) ... ignored
[INFO] [stdout] test src/lib.rs - downcast_methods (line 347) ... ignored
[INFO] [stdout] test src/lib.rs - impl_downcast (line 173) ... ignored
[INFO] [stdout] test src/lib.rs - impl_downcast (line 181) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "173affb7d8704a5ebcd238a092596290e393275ce4e5892e29f06b5dd92582fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173affb7d8704a5ebcd238a092596290e393275ce4e5892e29f06b5dd92582fd", kill_on_drop: false }`
[INFO] [stdout] 173affb7d8704a5ebcd238a092596290e393275ce4e5892e29f06b5dd92582fd