[INFO] fetching crate flatten 0.2.2... [INFO] extracting crate flatten 0.2.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/flatten/0.2.2 [INFO] extracting crate flatten 0.2.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/flatten/0.2.2 [INFO] validating manifest of flatten-0.2.2 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 flatten-0.2.2 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 flatten-0.2.2 [INFO] finished frobbing flatten-0.2.2 [INFO] frobbed toml for flatten-0.2.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/flatten/0.2.2/Cargo.toml [INFO] started frobbing flatten-0.2.2 [INFO] finished frobbing flatten-0.2.2 [INFO] frobbed toml for flatten-0.2.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/flatten/0.2.2/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 flatten-0.2.2 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/flatten/0.2.2:/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] c13260f0a03042d3585806cbb64419c3bda45e246c6466f5d0be7b6cfae24269 [INFO] running `"docker" "start" "-a" "c13260f0a03042d3585806cbb64419c3bda45e246c6466f5d0be7b6cfae24269"` [INFO] [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`? [INFO] [stderr] Checking flatten v0.2.2 (/opt/crater/workdir) [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:218:28 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] 217 | ) => { [INFO] [stderr] 218 | impl<$first_ty, $( $N ),*> !NotTuple for ( $first_ty, $( $N, )* ) {} [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/into_cons.rs:218:66 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] 217 | ) => { [INFO] [stderr] 218 | impl<$first_ty, $( $N ),*> !NotTuple for ( $first_ty, $( $N, )* ) {} [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:221:30 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 221 | impl < $first_ty, $( $N ),* > IntoConsSpecializer for ( $first_ty, $( $N, )* ) [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:221:79 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 221 | impl < $first_ty, $( $N ),* > IntoConsSpecializer for ( $first_ty, $( $N, )* ) [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:222:58 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 222 | where ConsOf<$first_ty>: Append>,{ [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:226:30 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 226 | impl < $first_ty, $( $N ),* > SpecializedIntoCons [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:227:47 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 227 | for TupleIntoCons<( $first_ty, $( $N, )* )> [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:229:55 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 229 | ConsOf<$first_ty>: Append>, [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:234:26 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 234 | ( $( $N ),* ) [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:241:55 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 241 | let tail = IntoCons::into_cons(( $( v.$i, )* )); [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:47:18 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] 46 | ) => { [INFO] [stderr] 47 | impl< $( $t ),* , OrigType> IntoTuple for Cons![ $( $t, )* ] [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:47:71 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] 46 | ) => { [INFO] [stderr] 47 | impl< $( $t ),* , OrigType> IntoTuple for Cons![ $( $t, )* ] [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:49:21 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 49 | $t: ValidHead, [INFO] [stderr] | ^^ [INFO] [stderr] 50 | )* [INFO] [stderr] | - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:52:29 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 52 | type Out = ( $( $t ),* ); [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:63:27 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 63 | $($e).* [INFO] [stderr] | ^^ [INFO] [stderr] 64 | ),* [INFO] [stderr] | - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:218:28 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] 217 | ) => { [INFO] [stderr] 218 | impl<$first_ty, $( $N ),*> !NotTuple for ( $first_ty, $( $N, )* ) {} [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/into_cons.rs:218:66 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] 217 | ) => { [INFO] [stderr] 218 | impl<$first_ty, $( $N ),*> !NotTuple for ( $first_ty, $( $N, )* ) {} [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:221:30 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 221 | impl < $first_ty, $( $N ),* > IntoConsSpecializer for ( $first_ty, $( $N, )* ) [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:221:79 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 221 | impl < $first_ty, $( $N ),* > IntoConsSpecializer for ( $first_ty, $( $N, )* ) [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:222:58 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 222 | where ConsOf<$first_ty>: Append>,{ [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:226:30 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 226 | impl < $first_ty, $( $N ),* > SpecializedIntoCons [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:227:47 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 227 | for TupleIntoCons<( $first_ty, $( $N, )* )> [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:229:55 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 229 | ConsOf<$first_ty>: Append>, [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:234:26 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 234 | ( $( $N ),* ) [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/into_cons.rs:241:55 [INFO] [stderr] | [INFO] [stderr] 216 | $( ($i:tt, $N:ident), ) + [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 241 | let tail = IntoCons::into_cons(( $( v.$i, )* )); [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:47:18 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] 46 | ) => { [INFO] [stderr] 47 | impl< $( $t ),* , OrigType> IntoTuple for Cons![ $( $t, )* ] [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:47:71 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] 46 | ) => { [INFO] [stderr] 47 | impl< $( $t ),* , OrigType> IntoTuple for Cons![ $( $t, )* ] [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:49:21 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 49 | $t: ValidHead, [INFO] [stderr] | ^^ [INFO] [stderr] 50 | )* [INFO] [stderr] | - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:52:29 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 52 | type Out = ( $( $t ),* ); [INFO] [stderr] | ^^ - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: meta-variable repeats with different Kleene operator [INFO] [stderr] --> src/tuple.rs:63:27 [INFO] [stderr] | [INFO] [stderr] 45 | )+ [INFO] [stderr] | - expected repetition [INFO] [stderr] ... [INFO] [stderr] 63 | $($e).* [INFO] [stderr] | ^^ [INFO] [stderr] 64 | ),* [INFO] [stderr] | - conflicting repetition [INFO] [stderr] [INFO] [stderr] error: aborting due to 15 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `flatten`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 15 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `flatten`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c13260f0a03042d3585806cbb64419c3bda45e246c6466f5d0be7b6cfae24269"` [INFO] running `"docker" "rm" "-f" "c13260f0a03042d3585806cbb64419c3bda45e246c6466f5d0be7b6cfae24269"` [INFO] [stdout] c13260f0a03042d3585806cbb64419c3bda45e246c6466f5d0be7b6cfae24269