[INFO] cloning repository https://github.com/nsdavidson/pingpong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsdavidson/pingpong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Fpingpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Fpingpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9982408017622b6d01538f60adb744830e834960
[INFO] checking nsdavidson/pingpong against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Fpingpong" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsdavidson/pingpong on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-66/source/Cargo.toml
[INFO] crate git repo https://github.com/nsdavidson/pingpong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/erickt/rust-zmq.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.15
[INFO] [stderr]   Downloaded protobuf v1.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acfd719171382c1cbe3b42c4ad24fb2165a5581fa746ef1cde758a324ed88d49
[INFO] running `Command { std: "docker" "start" "-a" "acfd719171382c1cbe3b42c4ad24fb2165a5581fa746ef1cde758a324ed88d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acfd719171382c1cbe3b42c4ad24fb2165a5581fa746ef1cde758a324ed88d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfd719171382c1cbe3b42c4ad24fb2165a5581fa746ef1cde758a324ed88d49", kill_on_drop: false }`
[INFO] [stdout] acfd719171382c1cbe3b42c4ad24fb2165a5581fa746ef1cde758a324ed88d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67d55de621c8c122cff4cf56f4a555bcb667218dad10b08827fd99f1b59e4097
[INFO] running `Command { std: "docker" "start" "-a" "67d55de621c8c122cff4cf56f4a555bcb667218dad10b08827fd99f1b59e4097", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]     Checking log v0.3.6
[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] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:139:28
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == m.type_id()
[INFO] [stdout]     |                            ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `core::Message`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn type_id(&self) -> TypeId;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == core::Message::type_id(&m)
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == Any::type_id(&m)
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67d55de621c8c122cff4cf56f4a555bcb667218dad10b08827fd99f1b59e4097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d55de621c8c122cff4cf56f4a555bcb667218dad10b08827fd99f1b59e4097", kill_on_drop: false }`
[INFO] [stdout] 67d55de621c8c122cff4cf56f4a555bcb667218dad10b08827fd99f1b59e4097