[INFO] fetching crate hg-cpython 0.0.1...
[INFO] extracting crate hg-cpython 0.0.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/hg-cpython/0.0.1
[INFO] extracting crate hg-cpython 0.0.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/hg-cpython/0.0.1
[INFO] validating manifest of hg-cpython-0.0.1 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 hg-cpython-0.0.1 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 hg-cpython-0.0.1
[INFO] finished frobbing hg-cpython-0.0.1
[INFO] frobbed toml for hg-cpython-0.0.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/hg-cpython/0.0.1/Cargo.toml
[INFO] started frobbing hg-cpython-0.0.1
[INFO] finished frobbing hg-cpython-0.0.1
[INFO] frobbed toml for hg-cpython-0.0.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/hg-cpython/0.0.1/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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 hg-cpython-0.0.1 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/hg-cpython/0.0.1:/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] b25319f941366888cc96cba808f8dabd3dc4a219c865177d7c31d17823807aaf
[INFO] running `"docker" "start" "-a" "b25319f941366888cc96cba808f8dabd3dc4a219c865177d7c31d17823807aaf"`
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]     Checking hg-core v0.0.1
[INFO] [stderr]    Compiling python27-sys v0.2.1
[INFO] [stderr]     Checking hg-cpython v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_sequence macros>:6:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[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]  --> <::cpython::py_class::slots::py_class_as_sequence macros>:6:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |                   ^^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_number macros>:6:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |     ^^^^^^^^^^^                    - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_number macros>:6:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |                   ^^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_mapping macros>:7:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | $ type_object : ident , [ $ ( $ slot_name : ident : $ slot_value : expr , ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 7 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |     ^^^^^^^^^^^                    - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_mapping macros>:7:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | $ type_object : ident , [ $ ( $ slot_name : ident : $ slot_value : expr , ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 7 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |                   ^^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::cpython::py_class::members::py_class_init_members macros>:8:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | $ ( $ name : ident = $ init : expr ; ) + } ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 8  | let init = $ init ; let descriptor = try ! (
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 | dict . set_item ( $ py , stringify ! ( $ name ) , descriptor ) ) ; } ) *
[INFO] [stderr]    |                                                                        - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::cpython::py_class::members::py_class_init_members macros>:12:40
[INFO] [stderr]    |
[INFO] [stderr] 4  | $ ( $ name : ident = $ init : expr ; ) + } ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 12 | dict . set_item ( $ py , stringify ! ( $ name ) , descriptor ) ) ; } ) *
[INFO] [stderr]    |                                        ^^^^^^                          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::argparse::py_argparse_parse_plist macros>:5:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | $ callback : ident $ initial_args : tt ( $ ( $ p : tt ) + ) } => {
[INFO] [stderr]   |                                                         - expected repetition
[INFO] [stderr] 4 | py_argparse_parse_plist_impl ! {
[INFO] [stderr] 5 | $ callback $ initial_args [  ] ( $ ( $ p ) * , ) } } ;
[INFO] [stderr]   |                                      ^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_sequence macros>:6:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[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]  --> <::cpython::py_class::slots::py_class_as_sequence macros>:6:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |                   ^^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_number macros>:6:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |     ^^^^^^^^^^^                    - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_number macros>:6:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | [ $ ( $ slot_name : ident : $ slot_value : expr , ) + ] ) => {
[INFO] [stderr]   |                                                     - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |                   ^^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_mapping macros>:7:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | $ type_object : ident , [ $ ( $ slot_name : ident : $ slot_value : expr , ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 7 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |     ^^^^^^^^^^^                    - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::py_class::slots::py_class_as_mapping macros>:7:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | $ type_object : ident , [ $ ( $ slot_name : ident : $ slot_value : expr , ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 7 | $ ( $ slot_name : $ slot_value , ) * .. $ crate :: _detail :: ffi ::
[INFO] [stderr]   |                   ^^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::cpython::py_class::members::py_class_init_members macros>:8:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | $ ( $ name : ident = $ init : expr ; ) + } ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 8  | let init = $ init ; let descriptor = try ! (
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 | dict . set_item ( $ py , stringify ! ( $ name ) , descriptor ) ) ; } ) *
[INFO] [stderr]    |                                                                        - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::cpython::py_class::members::py_class_init_members macros>:12:40
[INFO] [stderr]    |
[INFO] [stderr] 4  | $ ( $ name : ident = $ init : expr ; ) + } ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 12 | dict . set_item ( $ py , stringify ! ( $ name ) , descriptor ) ) ; } ) *
[INFO] [stderr]    |                                        ^^^^^^                          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::cpython::argparse::py_argparse_parse_plist macros>:5:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | $ callback : ident $ initial_args : tt ( $ ( $ p : tt ) + ) } => {
[INFO] [stderr]   |                                                         - expected repetition
[INFO] [stderr] 4 | py_argparse_parse_plist_impl ! {
[INFO] [stderr] 5 | $ callback $ initial_args [  ] ( $ ( $ p ) * , ) } } ;
[INFO] [stderr]   |                                      ^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hg-cpython`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hg-cpython`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b25319f941366888cc96cba808f8dabd3dc4a219c865177d7c31d17823807aaf"`
[INFO] running `"docker" "rm" "-f" "b25319f941366888cc96cba808f8dabd3dc4a219c865177d7c31d17823807aaf"`
[INFO] [stdout] b25319f941366888cc96cba808f8dabd3dc4a219c865177d7c31d17823807aaf