[INFO] updating cached repository nsdavidson/pingpong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nsdavidson/pingpong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nsdavidson/pingpong" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/nsdavidson/pingpong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/nsdavidson/pingpong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nsdavidson/pingpong" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/nsdavidson/pingpong"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/nsdavidson/pingpong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9982408017622b6d01538f60adb744830e834960
[INFO] sha for GitHub repo nsdavidson/pingpong: 9982408017622b6d01538f60adb744830e834960
[INFO] validating manifest of nsdavidson/pingpong 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 nsdavidson/pingpong 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 nsdavidson/pingpong
[INFO] finished frobbing nsdavidson/pingpong
[INFO] frobbed toml for nsdavidson/pingpong written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/nsdavidson/pingpong/Cargo.toml
[INFO] started frobbing nsdavidson/pingpong
[INFO] finished frobbing nsdavidson/pingpong
[INFO] frobbed toml for nsdavidson/pingpong written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/nsdavidson/pingpong/Cargo.toml
[INFO] crate nsdavidson/pingpong 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 nsdavidson/pingpong against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/nsdavidson/pingpong:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a0d53a8dc62f14374f759cb498244cff7acb686e7528c3ca661f2eb66fa32c13
[INFO] running `"docker" "start" "-a" "a0d53a8dc62f14374f759cb498244cff7acb686e7528c3ca661f2eb66fa32c13"`
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]     Checking protobuf v1.0.24
[INFO] [stderr]     Checking zmq-sys v0.7.0 (https://github.com/erickt/rust-zmq.git#87a6bd2a)
[INFO] [stderr]     Checking zmq v0.7.0 (https://github.com/erickt/rust-zmq.git#87a6bd2a)
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:139:28
[INFO] [stderr]     |
[INFO] [stderr] 139 |     TypeId::of::<M>() == m.type_id()
[INFO] [stderr]     |                            ^^^^^^^ multiple `type_id` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `core::Message`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn type_id(&self) -> TypeId;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `core::Message::type_id(&m)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::any::Any::type_id(&m)` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `protobuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a0d53a8dc62f14374f759cb498244cff7acb686e7528c3ca661f2eb66fa32c13"`
[INFO] running `"docker" "rm" "-f" "a0d53a8dc62f14374f759cb498244cff7acb686e7528c3ca661f2eb66fa32c13"`
[INFO] [stdout] a0d53a8dc62f14374f759cb498244cff7acb686e7528c3ca661f2eb66fa32c13