[INFO] cloning repository the-wendell/margin_calculator
[INFO] running `"git" "clone" "--bare" "git://github.com/the-wendell/margin_calculator.git" "work/cache/sources/gh/the-wendell/margin_calculator"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/the-wendell/margin_calculator'...
[INFO] running `"git" "clone" "work/cache/sources/gh/the-wendell/margin_calculator" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-wendell/margin_calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-wendell/margin_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/the-wendell/margin_calculator" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-wendell/margin_calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-wendell/margin_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d698d65292c77340375c66975732c6c2faa784d
[INFO] sha for GitHub repo the-wendell/margin_calculator: 5d698d65292c77340375c66975732c6c2faa784d
[INFO] validating manifest of the-wendell/margin_calculator 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 the-wendell/margin_calculator 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 the-wendell/margin_calculator
[INFO] finished frobbing the-wendell/margin_calculator
[INFO] frobbed toml for the-wendell/margin_calculator written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/the-wendell/margin_calculator/Cargo.toml
[INFO] started frobbing the-wendell/margin_calculator
[INFO] finished frobbing the-wendell/margin_calculator
[INFO] frobbed toml for the-wendell/margin_calculator written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-wendell/margin_calculator/Cargo.toml
[INFO] crate the-wendell/margin_calculator already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking the-wendell/margin_calculator against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/the-wendell/margin_calculator:/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] bdbb33a5cd324d608001008f1afc4a3a3bb93082b9e866182fe84d56a9ff2d01
[INFO] running `"docker" "start" "-a" "bdbb33a5cd324d608001008f1afc4a3a3bb93082b9e866182fe84d56a9ff2d01"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]     Checking helix v0.7.5
[INFO] [stderr]     Checking margin_calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::helix::macros::parser::parse macros>:106:65
[INFO] [stderr]     |
[INFO] [stderr] 100 | $ helix_arg : tt , $ ( $ args : tt ) + } , stack : {
[INFO] [stderr]     |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 106 | self : { ownership : {  } , name : $ helix_arg } , args : [ $ ( $ args ) * ] ,
[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]    --> <::helix::macros::parser::parse macros>:124:69
[INFO] [stderr]     |
[INFO] [stderr] 117 | & mut $ self_arg : tt , $ ( $ args : tt ) + } , stack : {
[INFO] [stderr]     |                                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 124 | self : { ownership : { & mut } , name : $ self_arg } , args : [ $ ( $ args ) *
[INFO] [stderr]     |                                                                     ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::helix::macros::parser::parse macros>:143:65
[INFO] [stderr]     |
[INFO] [stderr] 135 | state : parse_arguments , buffer : { & $ self_arg : tt , $ ( $ args : tt ) + }
[INFO] [stderr]     |                                                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 143 | self : { ownership : { & } , name : $ self_arg } , args : [ $ ( $ args ) * ] ,
[INFO] [stderr]     |                                                                 ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::helix::macros::parser::parse macros>:162:64
[INFO] [stderr]     |
[INFO] [stderr] 154 | state : parse_arguments , buffer : { $ self_arg : tt , $ ( $ args : tt ) + } ,
[INFO] [stderr]     |                                                                          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 162 | self : { ownership : {  } , name : $ self_arg } , args : [ $ ( $ args ) * ] ,
[INFO] [stderr]     |                                                                ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::helix::macros::parser::parse macros>:106:65
[INFO] [stderr]     |
[INFO] [stderr] 100 | $ helix_arg : tt , $ ( $ args : tt ) + } , stack : {
[INFO] [stderr]     |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 106 | self : { ownership : {  } , name : $ helix_arg } , args : [ $ ( $ args ) * ] ,
[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]    --> <::helix::macros::parser::parse macros>:124:69
[INFO] [stderr]     |
[INFO] [stderr] 117 | & mut $ self_arg : tt , $ ( $ args : tt ) + } , stack : {
[INFO] [stderr]     |                                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 124 | self : { ownership : { & mut } , name : $ self_arg } , args : [ $ ( $ args ) *
[INFO] [stderr]     |                                                                     ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::helix::macros::parser::parse macros>:143:65
[INFO] [stderr]     |
[INFO] [stderr] 135 | state : parse_arguments , buffer : { & $ self_arg : tt , $ ( $ args : tt ) + }
[INFO] [stderr]     |                                                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 143 | self : { ownership : { & } , name : $ self_arg } , args : [ $ ( $ args ) * ] ,
[INFO] [stderr]     |                                                                 ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::helix::macros::parser::parse macros>:162:64
[INFO] [stderr]     |
[INFO] [stderr] 154 | state : parse_arguments , buffer : { $ self_arg : tt , $ ( $ args : tt ) + } ,
[INFO] [stderr]     |                                                                          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 162 | self : { ownership : {  } , name : $ self_arg } , args : [ $ ( $ args ) * ] ,
[INFO] [stderr]     |                                                                ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `margin_calculator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `margin_calculator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bdbb33a5cd324d608001008f1afc4a3a3bb93082b9e866182fe84d56a9ff2d01"`
[INFO] running `"docker" "rm" "-f" "bdbb33a5cd324d608001008f1afc4a3a3bb93082b9e866182fe84d56a9ff2d01"`
[INFO] [stdout] bdbb33a5cd324d608001008f1afc4a3a3bb93082b9e866182fe84d56a9ff2d01