[INFO] crate libenclave-tools 0.1.4 is already in cache
[INFO] extracting crate libenclave-tools 0.1.4 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/libenclave-tools/0.1.4
[INFO] extracting crate libenclave-tools 0.1.4 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/libenclave-tools/0.1.4
[INFO] validating manifest of libenclave-tools-0.1.4 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 libenclave-tools-0.1.4 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 libenclave-tools-0.1.4
[INFO] finished frobbing libenclave-tools-0.1.4
[INFO] frobbed toml for libenclave-tools-0.1.4 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/libenclave-tools/0.1.4/Cargo.toml
[INFO] started frobbing libenclave-tools-0.1.4
[INFO] finished frobbing libenclave-tools-0.1.4
[INFO] frobbed toml for libenclave-tools-0.1.4 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/libenclave-tools/0.1.4/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] [stderr] error: no matching package named `ioctl` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `sgxs v0.4.0`
[INFO] [stderr]     ... which is depended on by `libenclave-tools v0.1.4 (/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/libenclave-tools/0.1.4)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed