[INFO] fetching crate libdeadmock 0.1.6...
[INFO] extracting crate libdeadmock 0.1.6 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/libdeadmock/0.1.6
[INFO] extracting crate libdeadmock 0.1.6 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/libdeadmock/0.1.6
[INFO] validating manifest of libdeadmock-0.1.6 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 libdeadmock-0.1.6 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 libdeadmock-0.1.6
[INFO] finished frobbing libdeadmock-0.1.6
[INFO] frobbed toml for libdeadmock-0.1.6 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/libdeadmock/0.1.6/Cargo.toml
[INFO] started frobbing libdeadmock-0.1.6
[INFO] finished frobbing libdeadmock-0.1.6
[INFO] frobbed toml for libdeadmock-0.1.6 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/libdeadmock/0.1.6/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 tomlenv v0.3.2
[INFO] [stderr]   Downloaded libeither v0.3.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking libdeadmock-0.1.6 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/libdeadmock/0.1.6:/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] 6d2fa68d40a9cbb8edbead91ec67049293e7a773da127d1b91eed4d33c6e940c
[INFO] running `"docker" "start" "-a" "6d2fa68d40a9cbb8edbead91ec67049293e7a773da127d1b91eed4d33c6e940c"`
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking slog-try v0.2.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling getset v0.0.7
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking cached v0.9.0
[INFO] [stderr]     Checking libeither v0.3.0
[INFO] [stderr]     Checking tomlenv v0.3.2
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-async-await v0.1.7
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr] error[E0432]: unresolved import `std::await`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub use std::await as std_await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ no `await` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `tokio-async-await`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6d2fa68d40a9cbb8edbead91ec67049293e7a773da127d1b91eed4d33c6e940c"`
[INFO] running `"docker" "rm" "-f" "6d2fa68d40a9cbb8edbead91ec67049293e7a773da127d1b91eed4d33c6e940c"`
[INFO] [stdout] 6d2fa68d40a9cbb8edbead91ec67049293e7a773da127d1b91eed4d33c6e940c