[INFO] fetching crate shkeleton 0.6.2...
[INFO] extracting crate shkeleton 0.6.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/shkeleton/0.6.2
[INFO] extracting crate shkeleton 0.6.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/shkeleton/0.6.2
[INFO] validating manifest of shkeleton-0.6.2 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 shkeleton-0.6.2 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 shkeleton-0.6.2
[INFO] finished frobbing shkeleton-0.6.2
[INFO] frobbed toml for shkeleton-0.6.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/shkeleton/0.6.2/Cargo.toml
[INFO] started frobbing shkeleton-0.6.2
[INFO] finished frobbing shkeleton-0.6.2
[INFO] frobbed toml for shkeleton-0.6.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/shkeleton/0.6.2/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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sherr v0.2.8
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shkeleton-0.6.2 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/shkeleton/0.6.2:/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] 4785c859dc944466246f2aa0c38b8d77779698cdcc0f65d08ffc2115a2c292ec
[INFO] running `"docker" "start" "-a" "4785c859dc944466246f2aa0c38b8d77779698cdcc0f65d08ffc2115a2c292ec"`
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]    Compiling derive_deref v1.1.0
[INFO] [stderr]     Checking sherr v0.2.8
[INFO] [stderr]     Checking shkeleton v0.6.2 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::sherr::diag_unreachable macros>:7:30
[INFO] [stderr]   |
[INFO] [stderr] 5 |  ) ; } } ; ( $ ( $ arg : tt ) + ) => {
[INFO] [stderr]   |                               - expected repetition
[INFO] [stderr] 6 | {
[INFO] [stderr] 7 | debug_assert ! ( false , $ ( $ arg ) * ) ; diag ! ( $ ( $ arg ) * ) ;
[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]  --> <::sherr::diag_unreachable macros>:7:57
[INFO] [stderr]   |
[INFO] [stderr] 5 |  ) ; } } ; ( $ ( $ arg : tt ) + ) => {
[INFO] [stderr]   |                               - expected repetition
[INFO] [stderr] 6 | {
[INFO] [stderr] 7 | debug_assert ! ( false , $ ( $ arg ) * ) ; diag ! ( $ ( $ arg ) * ) ;
[INFO] [stderr]   |                                                         ^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::sherr::diag macros>:2:42
[INFO] [stderr]   |
[INFO] [stderr] 1 | ( $ ( $ arg : tt ) + ) => {
[INFO] [stderr]   |                    - expected repetition
[INFO] [stderr] 2 | { error ! ( target : "diagnostics" , $ ( $ arg ) * ) ; } } ;
[INFO] [stderr]   |                                          ^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `shkeleton`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4785c859dc944466246f2aa0c38b8d77779698cdcc0f65d08ffc2115a2c292ec"`
[INFO] running `"docker" "rm" "-f" "4785c859dc944466246f2aa0c38b8d77779698cdcc0f65d08ffc2115a2c292ec"`
[INFO] [stdout] 4785c859dc944466246f2aa0c38b8d77779698cdcc0f65d08ffc2115a2c292ec