[INFO] crate futures-await-test-preview 0.3.0-alpha.16 is already in cache
[INFO] extracting crate futures-await-test-preview 0.3.0-alpha.16 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/futures-await-test-preview/0.3.0-alpha.16
[INFO] extracting crate futures-await-test-preview 0.3.0-alpha.16 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/futures-await-test-preview/0.3.0-alpha.16
[INFO] validating manifest of futures-await-test-preview-0.3.0-alpha.16 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-await-test-preview-0.3.0-alpha.16 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-await-test-preview-0.3.0-alpha.16
[INFO] finished frobbing futures-await-test-preview-0.3.0-alpha.16
[INFO] frobbed toml for futures-await-test-preview-0.3.0-alpha.16 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/futures-await-test-preview/0.3.0-alpha.16/Cargo.toml
[INFO] started frobbing futures-await-test-preview-0.3.0-alpha.16
[INFO] finished frobbing futures-await-test-preview-0.3.0-alpha.16
[INFO] frobbed toml for futures-await-test-preview-0.3.0-alpha.16 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/futures-await-test-preview/0.3.0-alpha.16/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-await-test-preview-0.3.0-alpha.16 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/futures-await-test-preview/0.3.0-alpha.16:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7342d566651b4d64c8cfbb8218fae60b19d87f8e412bf45441b6eef51f5c0bea
[INFO] running `"docker" "start" "-a" "7342d566651b4d64c8cfbb8218fae60b19d87f8e412bf45441b6eef51f5c0bea"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-await-test-macro-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-await-test-preview v0.3.0-alpha.16 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `"docker" "inspect" "7342d566651b4d64c8cfbb8218fae60b19d87f8e412bf45441b6eef51f5c0bea"`
[INFO] running `"docker" "rm" "-f" "7342d566651b4d64c8cfbb8218fae60b19d87f8e412bf45441b6eef51f5c0bea"`
[INFO] [stdout] 7342d566651b4d64c8cfbb8218fae60b19d87f8e412bf45441b6eef51f5c0bea