[INFO] crate downcast 0.10.0 is already in cache
[INFO] checking downcast-0.10.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate downcast 0.10.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate downcast 0.10.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 588ce6732718ff5ea8c410ea8b54e04bfd43aa17945c9a97e58cac4368d16a0a
[INFO] running `"docker" "start" "-a" "588ce6732718ff5ea8c410ea8b54e04bfd43aa17945c9a97e58cac4368d16a0a"`
[INFO] [stderr]     Checking downcast v0.10.0 (/opt/rustwide/workdir)
[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 item '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: 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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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: 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: 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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "588ce6732718ff5ea8c410ea8b54e04bfd43aa17945c9a97e58cac4368d16a0a"`
[INFO] running `"docker" "rm" "-f" "588ce6732718ff5ea8c410ea8b54e04bfd43aa17945c9a97e58cac4368d16a0a"`
[INFO] [stdout] 588ce6732718ff5ea8c410ea8b54e04bfd43aa17945c9a97e58cac4368d16a0a