[INFO] fetching crate core_extensions 0.1.7...
[INFO] extracting crate core_extensions 0.1.7 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/core_extensions/0.1.7
[INFO] extracting crate core_extensions 0.1.7 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/core_extensions/0.1.7
[INFO] validating manifest of core_extensions-0.1.7 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 core_extensions-0.1.7 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 core_extensions-0.1.7
[INFO] finished frobbing core_extensions-0.1.7
[INFO] frobbed toml for core_extensions-0.1.7 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/core_extensions/0.1.7/Cargo.toml
[INFO] started frobbing core_extensions-0.1.7
[INFO] finished frobbing core_extensions-0.1.7
[INFO] frobbed toml for core_extensions-0.1.7 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/core_extensions/0.1.7/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 core_extensions-0.1.7 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/core_extensions/0.1.7:/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] 5002adae12dda842ef482fba08bc0511a75e0d1fe1bae25a82708d124d68b668
[INFO] running `"docker" "start" "-a" "5002adae12dda842ef482fba08bc0511a75e0d1fe1bae25a82708d124d68b668"`
[INFO] [stderr]    Compiling core_extensions v0.1.7 (/opt/crater/workdir)
[INFO] [stderr]    Compiling rand_derive v0.3.1
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] 25 |         $(
[INFO] [stderr] 26 |             impl<$($ty,)* Func,Ret> CallRef<($($ty,)*)> for Func
[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_core_extensions/callable.rs:26:48
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] 25 |         $(
[INFO] [stderr] 26 |             impl<$($ty,)* Func,Ret> CallRef<($($ty,)*)> for Func
[INFO] [stderr]    |                                                ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 27 |             where Func:Fn($($ty,)*)->Ret
[INFO] [stderr]    |                             ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:30:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 30 |                 fn call_ref(&self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                      ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 30 |                 fn call_ref(&self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 31 |                     self($($ty),*)
[INFO] [stderr]    |                            ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 35 |             impl<$($ty,)* Func,Ret> CallMut<($($ty,)*)> for Func
[INFO] [stderr]    |                    ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 35 |             impl<$($ty,)* Func,Ret> CallMut<($($ty,)*)> for Func
[INFO] [stderr]    |                                                ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:36:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 36 |             where Func:FnMut($($ty,)*)->Ret
[INFO] [stderr]    |                                ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:39:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 39 |                 fn call_mut(&mut self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                          ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:39:53
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 39 |                 fn call_mut(&mut self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                                     ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 40 |                     self($($ty,)*)
[INFO] [stderr]    |                            ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 44 |             impl<$($ty,)* Func,Ret> CallInto<($($ty,)*)> for Func
[INFO] [stderr]    |                    ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:44:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 44 |             impl<$($ty,)* Func,Ret> CallInto<($($ty,)*)> for Func
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 45 |             where Func:FnOnce($($ty,)*)->Ret
[INFO] [stderr]    |                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:50:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 50 |                 fn call_into(self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                      ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 50 |                 fn call_into(self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 51 |                     self($($ty,)*)
[INFO] [stderr]    |                            ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/marker_traits.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($($ty:ident),+) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] 88 |         unsafe impl<$($ty),*> MarkerType for ($($ty,)*)
[INFO] [stderr]    |                       ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/marker_traits.rs:88:49
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($($ty:ident),+) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] 88 |         unsafe impl<$($ty),*> MarkerType for ($($ty,)*)
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/marker_traits.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($($ty:ident),+) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] 88 |         unsafe impl<$($ty),*> MarkerType for ($($ty,)*)
[INFO] [stderr] 89 |         where $($ty:MarkerType,)*
[INFO] [stderr]    |                 ^^^             - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::ValSliceExt`
[INFO] [stderr]  --> src_core_extensions/slices/slice_split_while.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::ValSliceExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 21 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `core_extensions`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] 25 |         $(
[INFO] [stderr] 26 |             impl<$($ty,)* Func,Ret> CallRef<($($ty,)*)> for Func
[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_core_extensions/callable.rs:26:48
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] 25 |         $(
[INFO] [stderr] 26 |             impl<$($ty,)* Func,Ret> CallRef<($($ty,)*)> for Func
[INFO] [stderr]    |                                                ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 27 |             where Func:Fn($($ty,)*)->Ret
[INFO] [stderr]    |                             ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:30:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 30 |                 fn call_ref(&self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                      ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 30 |                 fn call_ref(&self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 31 |                     self($($ty),*)
[INFO] [stderr]    |                            ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 35 |             impl<$($ty,)* Func,Ret> CallMut<($($ty,)*)> for Func
[INFO] [stderr]    |                    ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 35 |             impl<$($ty,)* Func,Ret> CallMut<($($ty,)*)> for Func
[INFO] [stderr]    |                                                ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:36:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 36 |             where Func:FnMut($($ty,)*)->Ret
[INFO] [stderr]    |                                ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:39:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 39 |                 fn call_mut(&mut self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                          ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:39:53
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 39 |                 fn call_mut(&mut self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                                     ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 40 |                     self($($ty,)*)
[INFO] [stderr]    |                            ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 44 |             impl<$($ty,)* Func,Ret> CallInto<($($ty,)*)> for Func
[INFO] [stderr]    |                    ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:44:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 44 |             impl<$($ty,)* Func,Ret> CallInto<($($ty,)*)> for Func
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 45 |             where Func:FnOnce($($ty,)*)->Ret
[INFO] [stderr]    |                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:50:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 50 |                 fn call_into(self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                      ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 50 |                 fn call_into(self,($($ty,)*):($($ty,)*))->Ret{
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/callable.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ( $( [$($ty:ident),+] )* ) => {
[INFO] [stderr]    |                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 51 |                     self($($ty,)*)
[INFO] [stderr]    |                            ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/marker_traits.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($($ty:ident),+) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] 88 |         unsafe impl<$($ty),*> MarkerType for ($($ty,)*)
[INFO] [stderr]    |                       ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/marker_traits.rs:88:49
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($($ty:ident),+) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] 88 |         unsafe impl<$($ty),*> MarkerType for ($($ty,)*)
[INFO] [stderr]    |                                                 ^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src_core_extensions/marker_traits.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |     ($($ty:ident),+) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] 88 |         unsafe impl<$($ty),*> MarkerType for ($($ty,)*)
[INFO] [stderr] 89 |         where $($ty:MarkerType,)*
[INFO] [stderr]    |                 ^^^             - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std_::borrow::Borrow`
[INFO] [stderr]    --> src_core_extensions/slices/slice_split_while.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |     use std_::borrow::Borrow;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std_::cmp::min`
[INFO] [stderr]    --> src_core_extensions/slices/slice_split_while.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     use std_::cmp::min;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 21 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `core_extensions`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5002adae12dda842ef482fba08bc0511a75e0d1fe1bae25a82708d124d68b668"`
[INFO] running `"docker" "rm" "-f" "5002adae12dda842ef482fba08bc0511a75e0d1fe1bae25a82708d124d68b668"`
[INFO] [stdout] 5002adae12dda842ef482fba08bc0511a75e0d1fe1bae25a82708d124d68b668