[INFO] fetching crate rustc-ap-serialize 505.0.0...
[INFO] extracting crate rustc-ap-serialize 505.0.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/rustc-ap-serialize/505.0.0
[INFO] extracting crate rustc-ap-serialize 505.0.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/rustc-ap-serialize/505.0.0
[INFO] validating manifest of rustc-ap-serialize-505.0.0 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 rustc-ap-serialize-505.0.0 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 rustc-ap-serialize-505.0.0
[INFO] finished frobbing rustc-ap-serialize-505.0.0
[INFO] frobbed toml for rustc-ap-serialize-505.0.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/rustc-ap-serialize/505.0.0/Cargo.toml
[INFO] started frobbing rustc-ap-serialize-505.0.0
[INFO] finished frobbing rustc-ap-serialize-505.0.0
[INFO] frobbed toml for rustc-ap-serialize-505.0.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/rustc-ap-serialize/505.0.0/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 rustc-ap-serialize-505.0.0 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/rustc-ap-serialize/505.0.0:/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] 5519e514cc57c35ebe47a0c2f1d64f0160648b20331fbf34f88855d9c84db3a5
[INFO] running `"docker" "start" "-a" "5519e514cc57c35ebe47a0c2f1d64f0160648b20331fbf34f88855d9c84db3a5"`
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking rustc-ap-serialize v505.0.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:742:16
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] 742 |         impl<$($name:Decodable),*> Decodable for ($($name,)*) {
[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]    --> serialize.rs:742:53
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] 742 |         impl<$($name:Decodable),*> Decodable for ($($name,)*) {
[INFO] [stderr]     |                                                     ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:744:59
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 744 |             fn decode<D: Decoder>(d: &mut D) -> Result<($($name,)*), D::Error> {
[INFO] [stderr]     |                                                           ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:745:43
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 745 |                 let len: usize = count!($($name)*);
[INFO] [stderr]     |                                           ^^^^^ - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:748:80
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 748 |                     let ret = ($(d.read_tuple_arg({ i+=1; i-1 }, |d| -> Result<$name, D::Error> {
[INFO] [stderr]     |                                                                                ^^^^^
[INFO] [stderr] 749 |                         Decodable::decode(d)
[INFO] [stderr] 750 |                     })?,)*);
[INFO] [stderr]     |                          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:755:16
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 755 |         impl<$($name:Encodable),*> Encodable for ($($name,)*) {
[INFO] [stderr]     |                ^^^^^            - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:755:53
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 755 |         impl<$($name:Encodable),*> Encodable for ($($name,)*) {
[INFO] [stderr]     |                                                     ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:758:28
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 758 |                 let ($(ref $name,)*) = *self;
[INFO] [stderr]     |                            ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:760:23
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 760 |                 $(let $name = $name; n += 1;)*
[INFO] [stderr]     |                       ^^^^^                  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:760:31
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 760 |                 $(let $name = $name; n += 1;)*
[INFO] [stderr]     |                               ^^^^^          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:763:59
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 763 |                     $(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s))?;)*
[INFO] [stderr]     |                                                           ^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:768:19
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 768 |         peel! { $($name,)* }
[INFO] [stderr]     |                   ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:742:16
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] 742 |         impl<$($name:Decodable),*> Decodable for ($($name,)*) {
[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]    --> serialize.rs:742:53
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] 742 |         impl<$($name:Decodable),*> Decodable for ($($name,)*) {
[INFO] [stderr]     |                                                     ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:744:59
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 744 |             fn decode<D: Decoder>(d: &mut D) -> Result<($($name,)*), D::Error> {
[INFO] [stderr]     |                                                           ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:745:43
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 745 |                 let len: usize = count!($($name)*);
[INFO] [stderr]     |                                           ^^^^^ - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:748:80
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 748 |                     let ret = ($(d.read_tuple_arg({ i+=1; i-1 }, |d| -> Result<$name, D::Error> {
[INFO] [stderr]     |                                                                                ^^^^^
[INFO] [stderr] 749 |                         Decodable::decode(d)
[INFO] [stderr] 750 |                     })?,)*);
[INFO] [stderr]     |                          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:755:16
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 755 |         impl<$($name:Encodable),*> Encodable for ($($name,)*) {
[INFO] [stderr]     |                ^^^^^            - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:755:53
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 755 |         impl<$($name:Encodable),*> Encodable for ($($name,)*) {
[INFO] [stderr]     |                                                     ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:758:28
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 758 |                 let ($(ref $name,)*) = *self;
[INFO] [stderr]     |                            ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:760:23
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 760 |                 $(let $name = $name; n += 1;)*
[INFO] [stderr]     |                       ^^^^^                  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:760:31
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 760 |                 $(let $name = $name; n += 1;)*
[INFO] [stderr]     |                               ^^^^^          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:763:59
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 763 |                     $(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s))?;)*
[INFO] [stderr]     |                                                           ^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> serialize.rs:768:19
[INFO] [stderr]     |
[INFO] [stderr] 741 |     ( $($name:ident,)+ ) => (
[INFO] [stderr]     |                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 768 |         peel! { $($name,)* }
[INFO] [stderr]     |                   ^^^^^  - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustc-ap-serialize`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustc-ap-serialize`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5519e514cc57c35ebe47a0c2f1d64f0160648b20331fbf34f88855d9c84db3a5"`
[INFO] running `"docker" "rm" "-f" "5519e514cc57c35ebe47a0c2f1d64f0160648b20331fbf34f88855d9c84db3a5"`
[INFO] [stdout] 5519e514cc57c35ebe47a0c2f1d64f0160648b20331fbf34f88855d9c84db3a5