[INFO] updating cached repository jethrosun/silver-octo-spoon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jethrosun/silver-octo-spoon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jethrosun/silver-octo-spoon" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jethrosun/silver-octo-spoon"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jethrosun/silver-octo-spoon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jethrosun/silver-octo-spoon" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jethrosun/silver-octo-spoon"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jethrosun/silver-octo-spoon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c128bc6d08c13bf0beb946c6a7690a845b1399b
[INFO] sha for GitHub repo jethrosun/silver-octo-spoon: 5c128bc6d08c13bf0beb946c6a7690a845b1399b
[INFO] validating manifest of jethrosun/silver-octo-spoon 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 jethrosun/silver-octo-spoon 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 jethrosun/silver-octo-spoon
[INFO] finished frobbing jethrosun/silver-octo-spoon
[INFO] frobbed toml for jethrosun/silver-octo-spoon written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jethrosun/silver-octo-spoon/Cargo.toml
[INFO] started frobbing jethrosun/silver-octo-spoon
[INFO] finished frobbing jethrosun/silver-octo-spoon
[INFO] frobbed toml for jethrosun/silver-octo-spoon written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jethrosun/silver-octo-spoon/Cargo.toml
[INFO] crate jethrosun/silver-octo-spoon 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 jethrosun/silver-octo-spoon against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jethrosun/silver-octo-spoon:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9441a30750f4a683abbddbd337f4e76ec2b4f57eb5120c3f536cb073e28693f2
[INFO] running `"docker" "start" "-a" "9441a30750f4a683abbddbd337f4e76ec2b4f57eb5120c3f536cb073e28693f2"`
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking pcap v0.7.0
[INFO] [stderr]     Checking etherparse v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking smoltcp v0.5.0
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking pcap-file v0.10.0
[INFO] [stderr]     Checking net-parser-rs v0.1.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/smoltcp-0.5.0/src/socket/ref_.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl<'a, T: Session + 'a> Ref<'a, T> {
[INFO] [stderr]    |      -- lifetime `'a` defined here
[INFO] [stderr] ...
[INFO] [stderr] 61 |         ref_.socket
[INFO] [stderr]    |         ^^^^^^^^^^^ returning this value requires that `*ref_.socket` is borrowed for `'a`
[INFO] [stderr] 62 |     }
[INFO] [stderr]    |     - here, drop of `ref_` needs exclusive access to `*ref_.socket`, because the type `socket::ref_::Ref<'_, T>` implements the `Drop` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: Could not compile `smoltcp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9441a30750f4a683abbddbd337f4e76ec2b4f57eb5120c3f536cb073e28693f2"`
[INFO] running `"docker" "rm" "-f" "9441a30750f4a683abbddbd337f4e76ec2b4f57eb5120c3f536cb073e28693f2"`
[INFO] [stdout] 9441a30750f4a683abbddbd337f4e76ec2b4f57eb5120c3f536cb073e28693f2