[INFO] cloning repository BurNiinTRee/stack-calculator
[INFO] running `"git" "clone" "--bare" "git://github.com/BurNiinTRee/stack-calculator.git" "work/cache/sources/gh/BurNiinTRee/stack-calculator"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/BurNiinTRee/stack-calculator'...
[INFO] running `"git" "clone" "work/cache/sources/gh/BurNiinTRee/stack-calculator" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/BurNiinTRee/stack-calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/BurNiinTRee/stack-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BurNiinTRee/stack-calculator" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/BurNiinTRee/stack-calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/BurNiinTRee/stack-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9643bce9a3118d8a2d06d8fe87cc864a9f4c0182
[INFO] sha for GitHub repo BurNiinTRee/stack-calculator: 9643bce9a3118d8a2d06d8fe87cc864a9f4c0182
[INFO] validating manifest of BurNiinTRee/stack-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 BurNiinTRee/stack-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 BurNiinTRee/stack-calculator
[INFO] finished frobbing BurNiinTRee/stack-calculator
[INFO] frobbed toml for BurNiinTRee/stack-calculator written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/BurNiinTRee/stack-calculator/Cargo.toml
[INFO] started frobbing BurNiinTRee/stack-calculator
[INFO] finished frobbing BurNiinTRee/stack-calculator
[INFO] frobbed toml for BurNiinTRee/stack-calculator written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/BurNiinTRee/stack-calculator/Cargo.toml
[INFO] crate BurNiinTRee/stack-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] checking BurNiinTRee/stack-calculator against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/BurNiinTRee/stack-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] 5eee08d63f0c476f2a4694b6cd8c43ae2c5e98248323594b9a979629569be60f
[INFO] running `"docker" "start" "-a" "5eee08d63f0c476f2a4694b6cd8c43ae2c5e98248323594b9a979629569be60f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking stack-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:45:52
[INFO] [stderr]    |
[INFO] [stderr] 42 | where [ $ ( $ preds : tt ) + ] [ $ ( $ after : tt ) * ] ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 45 | $ types : :: std :: any :: Any + 'static , ) * $ ( $ preds ) * $ ( $ after ) *
[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]   --> <::downcast_rs::impl_downcast macros>:58:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ trait_ : ident < $ ( $ types : ident ) , * > where $ ( $ preds : tt ) + ) =>
[INFO] [stderr]    |                                                                         - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 58 | $ ( $ preds ) * ] } } ; ( $ trait_ : ident assoc $ ( $ atypes : ident ) , * )
[INFO] [stderr]    |     ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:67:34
[INFO] [stderr]    |
[INFO] [stderr] 63 | $ trait_ : ident assoc $ ( $ atypes : ident ) , * where $ ( $ preds : tt ) + )
[INFO] [stderr]    |                                                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 67 | $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                  ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:77:56
[INFO] [stderr]    |
[INFO] [stderr] 74 | * where $ ( $ preds : tt ) + ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 77 | [ $ ( $ types ) , * , $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                                        ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:45:52
[INFO] [stderr]    |
[INFO] [stderr] 42 | where [ $ ( $ preds : tt ) + ] [ $ ( $ after : tt ) * ] ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 45 | $ types : :: std :: any :: Any + 'static , ) * $ ( $ preds ) * $ ( $ after ) *
[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]   --> <::downcast_rs::impl_downcast macros>:58:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ trait_ : ident < $ ( $ types : ident ) , * > where $ ( $ preds : tt ) + ) =>
[INFO] [stderr]    |                                                                         - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 58 | $ ( $ preds ) * ] } } ; ( $ trait_ : ident assoc $ ( $ atypes : ident ) , * )
[INFO] [stderr]    |     ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:67:34
[INFO] [stderr]    |
[INFO] [stderr] 63 | $ trait_ : ident assoc $ ( $ atypes : ident ) , * where $ ( $ preds : tt ) + )
[INFO] [stderr]    |                                                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 67 | $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                  ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:77:56
[INFO] [stderr]    |
[INFO] [stderr] 74 | * where $ ( $ preds : tt ) + ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 77 | [ $ ( $ types ) , * , $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                                        ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `stack-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 `stack-calculator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5eee08d63f0c476f2a4694b6cd8c43ae2c5e98248323594b9a979629569be60f"`
[INFO] running `"docker" "rm" "-f" "5eee08d63f0c476f2a4694b6cd8c43ae2c5e98248323594b9a979629569be60f"`
[INFO] [stdout] 5eee08d63f0c476f2a4694b6cd8c43ae2c5e98248323594b9a979629569be60f