[INFO] cloning repository https://github.com/tommilligan/prost-502-reproduction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommilligan/prost-502-reproduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommilligan%2Fprost-502-reproduction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommilligan%2Fprost-502-reproduction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b72a9b3e98db5caf6ec69f5ee3313ed7039a53af
[INFO] testing tommilligan/prost-502-reproduction against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommilligan%2Fprost-502-reproduction" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tommilligan/prost-502-reproduction on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tommilligan/prost-502-reproduction
[INFO] finished tweaking git repo https://github.com/tommilligan/prost-502-reproduction
[INFO] tweaked toml for git repo https://github.com/tommilligan/prost-502-reproduction written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tommilligan/prost-502-reproduction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66e8d220a0261b68fbd0771d2f084e95ba6f5c5baf3e85f787198cce3ca4d4dc
[INFO] running `Command { std: "docker" "start" "-a" "66e8d220a0261b68fbd0771d2f084e95ba6f5c5baf3e85f787198cce3ca4d4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66e8d220a0261b68fbd0771d2f084e95ba6f5c5baf3e85f787198cce3ca4d4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e8d220a0261b68fbd0771d2f084e95ba6f5c5baf3e85f787198cce3ca4d4dc", kill_on_drop: false }`
[INFO] [stdout] 66e8d220a0261b68fbd0771d2f084e95ba6f5c5baf3e85f787198cce3ca4d4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63ada25a6eeccb586c85b27ffba934448fbf91b046039d25f3fce86dddc14996
[INFO] running `Command { std: "docker" "start" "-a" "63ada25a6eeccb586c85b27ffba934448fbf91b046039d25f3fce86dddc14996", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling prost-minimal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: can't compare `Example` with `Example`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/prost-minimal-10a8795fc1e0457a/out/example.rs:1:10
[INFO] [stdout]     |
[INFO] [stdout] 1   | #[derive(Ord)]
[INFO] [stdout]     |          ^^^ no implementation for `Example < Example` and `Example > Example`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialOrd` is not implemented for `Example`
[INFO] [stdout]     = note: this error originates in the derive macro `Ord` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Example: std::cmp::Eq` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/prost-minimal-10a8795fc1e0457a/out/example.rs:1:10
[INFO] [stdout]     |
[INFO] [stdout] 1   | #[derive(Ord)]
[INFO] [stdout]     |          ^^^ the trait `std::cmp::Eq` is not implemented for `Example`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Ord` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prost-minimal` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "63ada25a6eeccb586c85b27ffba934448fbf91b046039d25f3fce86dddc14996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ada25a6eeccb586c85b27ffba934448fbf91b046039d25f3fce86dddc14996", kill_on_drop: false }`
[INFO] [stdout] 63ada25a6eeccb586c85b27ffba934448fbf91b046039d25f3fce86dddc14996