[INFO] crate hedera 0.4.1 is already in cache
[INFO] extracting crate hedera 0.4.1 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/hedera/0.4.1
[INFO] extracting crate hedera 0.4.1 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/hedera/0.4.1
[INFO] validating manifest of hedera-0.4.1 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hedera-0.4.1 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hedera-0.4.1
[INFO] finished frobbing hedera-0.4.1
[INFO] frobbed toml for hedera-0.4.1 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/hedera/0.4.1/Cargo.toml
[INFO] started frobbing hedera-0.4.1
[INFO] finished frobbing hedera-0.4.1
[INFO] frobbed toml for hedera-0.4.1 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/hedera/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking hedera-0.4.1 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/hedera/0.4.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a8194f8785d6e5b09473feb375eef46b7c0d0667bad770b3c220e87aa257bc9
[INFO] running `"docker" "start" "-a" "2a8194f8785d6e5b09473feb375eef46b7c0d0667bad770b3c220e87aa257bc9"`
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling protoc v2.8.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking protobuf v2.8.0
[INFO] [stderr]     Checking simple_asn1 v0.3.1
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-async-await v0.1.7
[INFO] [stderr]     Checking tokio-tls-api v0.1.22
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stderr]   |                                            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `.await` syntax
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stderr]   |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[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 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0557.
[INFO] [stderr] For more information about an 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" "2a8194f8785d6e5b09473feb375eef46b7c0d0667bad770b3c220e87aa257bc9"`
[INFO] running `"docker" "rm" "-f" "2a8194f8785d6e5b09473feb375eef46b7c0d0667bad770b3c220e87aa257bc9"`
[INFO] [stdout] 2a8194f8785d6e5b09473feb375eef46b7c0d0667bad770b3c220e87aa257bc9