[INFO] updating cached repository ajh/future_playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajh/future_playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajh/future_playground" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/ajh/future_playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/ajh/future_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajh/future_playground" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/ajh/future_playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/ajh/future_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6dd157375a41e586f071ff630bc6f566e422a76a
[INFO] sha for GitHub repo ajh/future_playground: 6dd157375a41e586f071ff630bc6f566e422a76a
[INFO] validating manifest of ajh/future_playground on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ajh/future_playground on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ajh/future_playground
[INFO] finished frobbing ajh/future_playground
[INFO] frobbed toml for ajh/future_playground written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/ajh/future_playground/Cargo.toml
[INFO] started frobbing ajh/future_playground
[INFO] finished frobbing ajh/future_playground
[INFO] frobbed toml for ajh/future_playground written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/ajh/future_playground/Cargo.toml
[INFO] crate ajh/future_playground already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ajh/future_playground against master#003382e4150984cb476047b3925edf8d75df2d59 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-3/master#003382e4150984cb476047b3925edf8d75df2d59:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/ajh/future_playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d44fc019cfc5a65f83bdb4b31fa14eb74016789b1661f2acd2822ff305f1eec5
[INFO] running `"docker" "start" "-a" "d44fc019cfc5a65f83bdb4b31fa14eb74016789b1661f2acd2822ff305f1eec5"`
[INFO] [stderr]     Checking futures v0.1.6
[INFO] [stderr]     Checking mio v0.6.1
[INFO] [stderr]     Checking futures-cpupool v0.1.2
[INFO] [stderr]     Checking tokio-core v0.1.1
[INFO] [stderr]     Checking tokiproto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "d44fc019cfc5a65f83bdb4b31fa14eb74016789b1661f2acd2822ff305f1eec5"`
[INFO] running `"docker" "rm" "-f" "d44fc019cfc5a65f83bdb4b31fa14eb74016789b1661f2acd2822ff305f1eec5"`
[INFO] [stdout] d44fc019cfc5a65f83bdb4b31fa14eb74016789b1661f2acd2822ff305f1eec5