[INFO] updating cached repository ipetkov/rust-async-examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ipetkov/rust-async-examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ipetkov/rust-async-examples" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ipetkov/rust-async-examples"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ipetkov/rust-async-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ipetkov/rust-async-examples" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ipetkov/rust-async-examples"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ipetkov/rust-async-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51971375b09ae80446863faf4b3685219ff47571
[INFO] sha for GitHub repo ipetkov/rust-async-examples: 51971375b09ae80446863faf4b3685219ff47571
[INFO] validating manifest of ipetkov/rust-async-examples 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 ipetkov/rust-async-examples 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 ipetkov/rust-async-examples
[INFO] finished frobbing ipetkov/rust-async-examples
[INFO] frobbed toml for ipetkov/rust-async-examples written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ipetkov/rust-async-examples/Cargo.toml
[INFO] started frobbing ipetkov/rust-async-examples
[INFO] finished frobbing ipetkov/rust-async-examples
[INFO] frobbed toml for ipetkov/rust-async-examples written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ipetkov/rust-async-examples/Cargo.toml
[INFO] crate ipetkov/rust-async-examples already has a lockfile, it will not be regenerated
[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 ipetkov/rust-async-examples against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ipetkov/rust-async-examples:/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] c2e6d3fb5a385e7217513c452037e8987cc80505c91b48ca5eba6bef2a75544d
[INFO] running `"docker" "start" "-a" "c2e6d3fb5a385e7217513c452037e8987cc80505c91b48ca5eba6bef2a75544d"`
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking parallel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.73s
[INFO] running `"docker" "inspect" "c2e6d3fb5a385e7217513c452037e8987cc80505c91b48ca5eba6bef2a75544d"`
[INFO] running `"docker" "rm" "-f" "c2e6d3fb5a385e7217513c452037e8987cc80505c91b48ca5eba6bef2a75544d"`
[INFO] [stdout] c2e6d3fb5a385e7217513c452037e8987cc80505c91b48ca5eba6bef2a75544d