[INFO] updating cached repository https://github.com/nsdavidson/pingpong
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9982408017622b6d01538f60adb744830e834960
[INFO] testing nsdavidson/pingpong against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Fpingpong" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsdavidson/pingpong on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nsdavidson/pingpong
[INFO] finished tweaking git repo https://github.com/nsdavidson/pingpong
[INFO] tweaked toml for git repo https://github.com/nsdavidson/pingpong written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nsdavidson/pingpong already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bfacf13fd116f3b56b685520334db41354aeeb7138459b79d4f13b07b0b2e066
[INFO] running `"docker" "start" "-a" "bfacf13fd116f3b56b685520334db41354aeeb7138459b79d4f13b07b0b2e066"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling protobuf v1.0.24
[INFO] [stderr]    Compiling zmq-sys v0.7.0 (https://github.com/erickt/rust-zmq.git#87a6bd2a)
[INFO] [stderr]    Compiling zmq v0.7.0 (https://github.com/erickt/rust-zmq.git#87a6bd2a)
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/rustwide/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/rustwide/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] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stderr] help: disambiguate the associated function for candidate #1
[INFO] [stderr]     |
[INFO] [stderr] 139 |     TypeId::of::<M>() == core::Message::type_id(&m)
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: disambiguate the associated function for candidate #2
[INFO] [stderr]     |
[INFO] [stderr] 139 |     TypeId::of::<M>() == std::any::Any::type_id(&m)
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[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" "bfacf13fd116f3b56b685520334db41354aeeb7138459b79d4f13b07b0b2e066"`
[INFO] running `"docker" "rm" "-f" "bfacf13fd116f3b56b685520334db41354aeeb7138459b79d4f13b07b0b2e066"`
[INFO] [stdout] bfacf13fd116f3b56b685520334db41354aeeb7138459b79d4f13b07b0b2e066