[INFO] fetching crate crossbeam-epoch 0.7.1...
[INFO] extracting crate crossbeam-epoch 0.7.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/crossbeam-epoch/0.7.1
[INFO] extracting crate crossbeam-epoch 0.7.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/crossbeam-epoch/0.7.1
[INFO] validating manifest of crossbeam-epoch-0.7.1 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 crossbeam-epoch-0.7.1 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 crossbeam-epoch-0.7.1
[INFO] finished frobbing crossbeam-epoch-0.7.1
[INFO] frobbed toml for crossbeam-epoch-0.7.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/crossbeam-epoch/0.7.1/Cargo.toml
[INFO] started frobbing crossbeam-epoch-0.7.1
[INFO] finished frobbing crossbeam-epoch-0.7.1
[INFO] frobbed toml for crossbeam-epoch-0.7.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/crossbeam-epoch/0.7.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking crossbeam-epoch-0.7.1 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/reg/crossbeam-epoch/0.7.1:/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] 8a70420de0202e0dfe147019e23734cd87a252c91949340cb87a697fcb6cc986
[INFO] running `"docker" "start" "-a" "8a70420de0202e0dfe147019e23734cd87a252c91949340cb87a697fcb6cc986"`
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::memoffset::offset_of::offset_of macros>:6:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | ( $ father : ty , $ ( $ field : tt ) + ) => (
[INFO] [stderr]   |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | & root . $ ( $ field ) * as * const _ as usize } ; $ crate :: mem :: forget (
[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]  --> <::memoffset::offset_of::offset_of macros>:6:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | ( $ father : ty , $ ( $ field : tt ) + ) => (
[INFO] [stderr]   |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | & root . $ ( $ field ) * as * const _ as usize } ; $ crate :: mem :: forget (
[INFO] [stderr]   |              ^^^^^^^   - conflicting repetition
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `crossbeam-epoch`.
[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 `crossbeam-epoch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8a70420de0202e0dfe147019e23734cd87a252c91949340cb87a697fcb6cc986"`
[INFO] running `"docker" "rm" "-f" "8a70420de0202e0dfe147019e23734cd87a252c91949340cb87a697fcb6cc986"`
[INFO] [stdout] 8a70420de0202e0dfe147019e23734cd87a252c91949340cb87a697fcb6cc986