[INFO] cloning repository oampo/dosa
[INFO] running `"git" "clone" "--bare" "git://github.com/oampo/dosa.git" "work/cache/sources/gh/oampo/dosa"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/oampo/dosa'...
[INFO] running `"git" "clone" "work/cache/sources/gh/oampo/dosa" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/oampo/dosa"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/oampo/dosa'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/oampo/dosa" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/oampo/dosa"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/oampo/dosa'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab5c6c377af6555c6e8df0bb75f6597e7b6704f4
[INFO] sha for GitHub repo oampo/dosa: ab5c6c377af6555c6e8df0bb75f6597e7b6704f4
[INFO] validating manifest of oampo/dosa 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 oampo/dosa 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 oampo/dosa
[INFO] finished frobbing oampo/dosa
[INFO] frobbed toml for oampo/dosa written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/oampo/dosa/Cargo.toml
[INFO] started frobbing oampo/dosa
[INFO] finished frobbing oampo/dosa
[INFO] frobbed toml for oampo/dosa written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/oampo/dosa/Cargo.toml
[INFO] crate oampo/dosa 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 oampo/dosa 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/gh/oampo/dosa:/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] 1fa9a6968f25e4878f7f7a897dc109f8a1e664585406227cab94d83b4928074e
[INFO] running `"docker" "start" "-a" "1fa9a6968f25e4878f7f7a897dc109f8a1e664585406227cab94d83b4928074e"`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking dosa v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::enum_derive::IterVariants macros>:23:49
[INFO] [stderr]    |
[INFO] [stderr] 13 | $ ( $ var_names : ident ) , * ) ) => {
[INFO] [stderr]    |                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 23 | enum_derive_util ! ( @ first_expr $ ( $ name :: $ var_names ) , + ) ) ) } } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Peekable`
[INFO] [stderr]  --> src/core/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::iter::Peekable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::enum_derive::IterVariants macros>:23:49
[INFO] [stderr]    |
[INFO] [stderr] 13 | $ ( $ var_names : ident ) , * ) ) => {
[INFO] [stderr]    |                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 23 | enum_derive_util ! ( @ first_expr $ ( $ name :: $ var_names ) , + ) ) ) } } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^     - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Peekable`
[INFO] [stderr]  --> src/core/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::iter::Peekable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dosa`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dosa`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1fa9a6968f25e4878f7f7a897dc109f8a1e664585406227cab94d83b4928074e"`
[INFO] running `"docker" "rm" "-f" "1fa9a6968f25e4878f7f7a897dc109f8a1e664585406227cab94d83b4928074e"`
[INFO] [stdout] 1fa9a6968f25e4878f7f7a897dc109f8a1e664585406227cab94d83b4928074e