[INFO] updating cached repository josephDunne/ring_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/josephDunne/ring_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/josephDunne/ring_test" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/josephDunne/ring_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/josephDunne/ring_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/josephDunne/ring_test" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/josephDunne/ring_test"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/josephDunne/ring_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea31a5bba1bbd8f37aaece5cbb3a0ba6ad242f62
[INFO] sha for GitHub repo josephDunne/ring_test: ea31a5bba1bbd8f37aaece5cbb3a0ba6ad242f62
[INFO] validating manifest of josephDunne/ring_test on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of josephDunne/ring_test on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing josephDunne/ring_test
[INFO] finished frobbing josephDunne/ring_test
[INFO] frobbed toml for josephDunne/ring_test written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/josephDunne/ring_test/Cargo.toml
[INFO] started frobbing josephDunne/ring_test
[INFO] finished frobbing josephDunne/ring_test
[INFO] frobbed toml for josephDunne/ring_test written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/josephDunne/ring_test/Cargo.toml
[INFO] crate josephDunne/ring_test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking josephDunne/ring_test against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/josephDunne/ring_test:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 499aa6b63dec8bb17fceea43fc65d75a1084951e1d20b78c6025047bd6004e4c
[INFO] running `"docker" "start" "-a" "499aa6b63dec8bb17fceea43fc65d75a1084951e1d20b78c6025047bd6004e4c"`
[INFO] [stderr]     Checking futures v0.1.0 (https://github.com/alexcrichton/futures-rs#fc7483de)
[INFO] [stderr]     Checking tokio-core v0.1.0 (https://github.com/tokio-rs/tokio-core.git#8f92dc9d)
[INFO] [stderr]     Checking ring_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `"docker" "inspect" "499aa6b63dec8bb17fceea43fc65d75a1084951e1d20b78c6025047bd6004e4c"`
[INFO] running `"docker" "rm" "-f" "499aa6b63dec8bb17fceea43fc65d75a1084951e1d20b78c6025047bd6004e4c"`
[INFO] [stdout] 499aa6b63dec8bb17fceea43fc65d75a1084951e1d20b78c6025047bd6004e4c