[INFO] cloning repository niklasf/lila-tablebase
[INFO] running `"git" "clone" "--bare" "git://github.com/niklasf/lila-tablebase.git" "work/cache/sources/gh/niklasf/lila-tablebase"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/niklasf/lila-tablebase'...
[INFO] running `"git" "clone" "work/cache/sources/gh/niklasf/lila-tablebase" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklasf/lila-tablebase"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklasf/lila-tablebase'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/niklasf/lila-tablebase" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/niklasf/lila-tablebase"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/niklasf/lila-tablebase'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c48d0f883d7bd5e840e9e4bdcc046124e014a26b
[INFO] sha for GitHub repo niklasf/lila-tablebase: c48d0f883d7bd5e840e9e4bdcc046124e014a26b
[INFO] validating manifest of niklasf/lila-tablebase 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 niklasf/lila-tablebase 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 niklasf/lila-tablebase
[INFO] finished frobbing niklasf/lila-tablebase
[INFO] frobbed toml for niklasf/lila-tablebase written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklasf/lila-tablebase/Cargo.toml
[INFO] started frobbing niklasf/lila-tablebase
[INFO] finished frobbing niklasf/lila-tablebase
[INFO] frobbed toml for niklasf/lila-tablebase written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/niklasf/lila-tablebase/Cargo.toml
[INFO] crate niklasf/lila-tablebase already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/rustasync/http-service`
[INFO] [stderr]     Updating git repository `https://github.com/rustasync/tide.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shakmaty v0.15.0
[INFO] [stderr]   Downloaded shakmaty-syzygy v0.12.0
[INFO] [stderr]   Downloaded once_cell v0.2.2
[INFO] [stderr]   Downloaded positioned-io-preview v0.3.3
[INFO] [stderr]   Downloaded btoi v0.4.1
[INFO] [stderr]   Downloaded gaviota-sys v0.1.9
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking niklasf/lila-tablebase against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklasf/lila-tablebase:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] efd107e8a9ca073e3f62326c28365cef045091fe3f9f5f0e82a089dcbb9e0eeb
[INFO] running `"docker" "start" "-a" "efd107e8a9ca073e3f62326c28365cef045091fe3f9f5f0e82a089dcbb9e0eeb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling bindgen v0.50.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking buf_redux v0.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking positioned-io-preview v0.3.3
[INFO] [stderr]     Checking btoi v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling shakmaty v0.15.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking once_cell v0.2.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking shakmaty-syzygy v0.12.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking hyper v0.12.32
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking http-service v0.2.0 (https://github.com/rustasync/http-service#bd371724)
[INFO] [stderr]     Checking tide-core v0.2.0 (https://github.com/rustasync/tide.git#36c15fd4)
[INFO] [stderr]     Checking tide-cookies v0.2.0 (https://github.com/rustasync/tide.git#36c15fd4)
[INFO] [stderr]     Checking tide-forms v0.1.0 (https://github.com/rustasync/tide.git#36c15fd4)
[INFO] [stderr]     Checking tide-log v0.1.0 (https://github.com/rustasync/tide.git#36c15fd4)
[INFO] [stderr]     Checking tide-querystring v0.1.0 (https://github.com/rustasync/tide.git#36c15fd4)
[INFO] [stderr]     Checking tide-cors v0.2.0 (https://github.com/rustasync/tide.git#36c15fd4)
[INFO] [stderr]     Checking tide-headers v0.1.0 (https://github.com/rustasync/tide.git#36c15fd4)
[INFO] [stderr] error[E0635]: unknown feature `async_closure`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/tide-d8df193c9a60972c/36c15fd/tide-cors/src/lib.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 | #![feature(async_await, async_closure)]
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: Could not compile `tide-cors`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "efd107e8a9ca073e3f62326c28365cef045091fe3f9f5f0e82a089dcbb9e0eeb"`
[INFO] running `"docker" "rm" "-f" "efd107e8a9ca073e3f62326c28365cef045091fe3f9f5f0e82a089dcbb9e0eeb"`
[INFO] [stdout] efd107e8a9ca073e3f62326c28365cef045091fe3f9f5f0e82a089dcbb9e0eeb