[INFO] fetching crate downcast 0.10.0...
[INFO] extracting crate downcast 0.10.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/downcast/0.10.0
[INFO] extracting crate downcast 0.10.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/downcast/0.10.0
[INFO] validating manifest of downcast-0.10.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of downcast-0.10.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing downcast-0.10.0
[INFO] finished frobbing downcast-0.10.0
[INFO] frobbed toml for downcast-0.10.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/downcast/0.10.0/Cargo.toml
[INFO] started frobbing downcast-0.10.0
[INFO] finished frobbing downcast-0.10.0
[INFO] frobbed toml for downcast-0.10.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/downcast/0.10.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking downcast-0.10.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/downcast/0.10.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9c57707266289e6644d245cfeaa67cd4d96bf1f93f7e03200334a58904668ec6
[INFO] running `"docker" "start" "-a" "9c57707266289e6644d245cfeaa67cd4d96bf1f93f7e03200334a58904668ec6"`
[INFO] [stderr]     Checking downcast v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> src/lib.rs:198:38
[INFO] [stderr]     |
[INFO] [stderr] 196 |     (<$($params:ident),+ $(,)*> $base:ty $(where $($bounds:tt)+)*) => {
[INFO] [stderr]     |                        - expected repetition
[INFO] [stderr] 197 |         impl<_T: $crate::Any, $($params),+> $crate::Downcast<_T> for $base
[INFO] [stderr] 198 |             where _T: $crate::Any, $($params: 'static,)* $($($bounds)+)*
[INFO] [stderr]     |                                      ^^^^^^^           - conflicting repetition
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> src/lib.rs:249:21
[INFO] [stderr]     |
[INFO] [stderr] 247 |     (<$($params:ident),+ $(,)*> $base:ty $(where $($bounds:tt)+)*) => {
[INFO] [stderr]     |                        - expected repetition
[INFO] [stderr] 248 |         impl<$($params),+> $base
[INFO] [stderr] 249 |             where $($params: 'static,)* $($($bounds)+)*
[INFO] [stderr]     |                     ^^^^^^^           - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:406:20
[INFO] [stderr]     |
[INFO] [stderr] 406 |     impl_downcast!(Any);
[INFO] [stderr]     |                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:407:21
[INFO] [stderr]     |
[INFO] [stderr] 407 |     impl_downcast!((Any + Send));
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:408:21
[INFO] [stderr]     |
[INFO] [stderr] 408 |     impl_downcast!((Any + Sync));
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |     impl_downcast!((Any + Send + Sync));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> src/lib.rs:198:38
[INFO] [stderr]     |
[INFO] [stderr] 196 |     (<$($params:ident),+ $(,)*> $base:ty $(where $($bounds:tt)+)*) => {
[INFO] [stderr]     |                        - expected repetition
[INFO] [stderr] 197 |         impl<_T: $crate::Any, $($params),+> $crate::Downcast<_T> for $base
[INFO] [stderr] 198 |             where _T: $crate::Any, $($params: 'static,)* $($($bounds)+)*
[INFO] [stderr]     |                                      ^^^^^^^           - conflicting repetition
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> src/lib.rs:249:21
[INFO] [stderr]     |
[INFO] [stderr] 247 |     (<$($params:ident),+ $(,)*> $base:ty $(where $($bounds:tt)+)*) => {
[INFO] [stderr]     |                        - expected repetition
[INFO] [stderr] 248 |         impl<$($params),+> $base
[INFO] [stderr] 249 |             where $($params: 'static,)* $($($bounds)+)*
[INFO] [stderr]     |                     ^^^^^^^           - conflicting repetition
[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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `downcast`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `downcast`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c57707266289e6644d245cfeaa67cd4d96bf1f93f7e03200334a58904668ec6"`
[INFO] running `"docker" "rm" "-f" "9c57707266289e6644d245cfeaa67cd4d96bf1f93f7e03200334a58904668ec6"`
[INFO] [stdout] 9c57707266289e6644d245cfeaa67cd4d96bf1f93f7e03200334a58904668ec6