[INFO] cloning repository jbyte/chip8
[INFO] running `"git" "clone" "--bare" "git://github.com/jbyte/chip8.git" "work/cache/sources/gh/jbyte/chip8"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jbyte/chip8'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jbyte/chip8" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jbyte/chip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jbyte/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jbyte/chip8" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jbyte/chip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jbyte/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26a560fc55c7d5f815923b9628295015f4d0cc47
[INFO] sha for GitHub repo jbyte/chip8: 26a560fc55c7d5f815923b9628295015f4d0cc47
[INFO] validating manifest of jbyte/chip8 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 jbyte/chip8 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 jbyte/chip8
[INFO] finished frobbing jbyte/chip8
[INFO] frobbed toml for jbyte/chip8 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jbyte/chip8/Cargo.toml
[INFO] started frobbing jbyte/chip8
[INFO] finished frobbing jbyte/chip8
[INFO] frobbed toml for jbyte/chip8 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jbyte/chip8/Cargo.toml
[INFO] crate jbyte/chip8 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 jbyte/chip8 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/jbyte/chip8:/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] d194dfbb01f2b0788f50c7cebebda4f00e65139dc8e9036f565c912377de7021
[INFO] running `"docker" "start" "-a" "d194dfbb01f2b0788f50c7cebebda4f00e65139dc8e9036f565c912377de7021"`
[INFO] [stderr]     Checking nom v2.2.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt_complete macros>:15:53
[INFO] [stderr]    |
[INFO] [stderr] 11 | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 15 | i , $ gen ( o ) ) , _ => alt_complete ! ( $ i , $ ( $ rest ) * ) , } } ) ; (
[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]   --> <::nom::branch::alt macros>:16:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 16 | alt ! ( __impl $ i , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                          ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Cow`
[INFO] [stderr]  --> src/debugger/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::borrow::Cow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt_complete macros>:15:53
[INFO] [stderr]    |
[INFO] [stderr] 11 | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 15 | i , $ gen ( o ) ) , _ => alt_complete ! ( $ i , $ ( $ rest ) * ) , } } ) ; (
[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]   --> <::nom::branch::alt macros>:16:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 16 | alt ! ( __impl $ i , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                          ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Cow`
[INFO] [stderr]  --> src/debugger/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::borrow::Cow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chip8`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `chip8`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d194dfbb01f2b0788f50c7cebebda4f00e65139dc8e9036f565c912377de7021"`
[INFO] running `"docker" "rm" "-f" "d194dfbb01f2b0788f50c7cebebda4f00e65139dc8e9036f565c912377de7021"`
[INFO] [stdout] d194dfbb01f2b0788f50c7cebebda4f00e65139dc8e9036f565c912377de7021