[INFO] crate futures-await-test-preview 0.3.0-alpha.9 is already in cache
[INFO] extracting crate futures-await-test-preview 0.3.0-alpha.9 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/futures-await-test-preview/0.3.0-alpha.9
[INFO] extracting crate futures-await-test-preview 0.3.0-alpha.9 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/futures-await-test-preview/0.3.0-alpha.9
[INFO] validating manifest of futures-await-test-preview-0.3.0-alpha.9 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-await-test-preview-0.3.0-alpha.9 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-await-test-preview-0.3.0-alpha.9
[INFO] finished frobbing futures-await-test-preview-0.3.0-alpha.9
[INFO] frobbed toml for futures-await-test-preview-0.3.0-alpha.9 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/futures-await-test-preview/0.3.0-alpha.9/Cargo.toml
[INFO] started frobbing futures-await-test-preview-0.3.0-alpha.9
[INFO] finished frobbing futures-await-test-preview-0.3.0-alpha.9
[INFO] frobbed toml for futures-await-test-preview-0.3.0-alpha.9 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/futures-await-test-preview/0.3.0-alpha.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-await-test-preview-0.3.0-alpha.9 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/futures-await-test-preview/0.3.0-alpha.9:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6589e899437b9807ee2b7911bb0566e0ebeaea2aaf47b18e4d4bab6f1a6acd5c
[INFO] running `"docker" "start" "-a" "6589e899437b9807ee2b7911bb0566e0ebeaea2aaf47b18e4d4bab6f1a6acd5c"`
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-await-test-preview v0.3.0-alpha.9 (/opt/crater/workdir)
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.13
[INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition
[INFO] [stderr]   --> tests/test.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[async_test]
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition
[INFO] [stderr]   --> tests/test.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[async_test]
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition
[INFO] [stderr]   --> tests/test.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[async_test]
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0670`.
[INFO] [stderr] error: Could not compile `futures-await-test-preview`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6589e899437b9807ee2b7911bb0566e0ebeaea2aaf47b18e4d4bab6f1a6acd5c"`
[INFO] running `"docker" "rm" "-f" "6589e899437b9807ee2b7911bb0566e0ebeaea2aaf47b18e4d4bab6f1a6acd5c"`
[INFO] [stdout] 6589e899437b9807ee2b7911bb0566e0ebeaea2aaf47b18e4d4bab6f1a6acd5c