[INFO] cloning repository https://github.com/Veetaha/prost-prefix-proto-path-match-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Veetaha/prost-prefix-proto-path-match-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVeetaha%2Fprost-prefix-proto-path-match-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVeetaha%2Fprost-prefix-proto-path-match-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcd11133ddd0e9ae36dde4be4846930074d6da1f
[INFO] testing Veetaha/prost-prefix-proto-path-match-problem against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVeetaha%2Fprost-prefix-proto-path-match-problem" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Veetaha/prost-prefix-proto-path-match-problem on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Veetaha/prost-prefix-proto-path-match-problem
[INFO] finished tweaking git repo https://github.com/Veetaha/prost-prefix-proto-path-match-problem
[INFO] tweaked toml for git repo https://github.com/Veetaha/prost-prefix-proto-path-match-problem written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Veetaha/prost-prefix-proto-path-match-problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67f4707918240d16338e95f0fb1ff93693643250396c482c99389e8ce6401235
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67f4707918240d16338e95f0fb1ff93693643250396c482c99389e8ce6401235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f4707918240d16338e95f0fb1ff93693643250396c482c99389e8ce6401235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f4707918240d16338e95f0fb1ff93693643250396c482c99389e8ce6401235", kill_on_drop: false }`
[INFO] [stdout] 67f4707918240d16338e95f0fb1ff93693643250396c482c99389e8ce6401235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd50f533b6adb5a79d56f309a18ec08b042ac18b542a6f502c4f6e8c25658f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2bd50f533b6adb5a79d56f309a18ec08b042ac18b542a6f502c4f6e8c25658f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling the-crate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `foo::NestedEnum`:
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/the-crate-4bbdc00f2612c9bd/out/issue.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
[INFO] [stdout]    |                     ^^^^ conflicting implementation for `foo::NestedEnum`
[INFO] [stdout] 12 |     #[repr(i32)]
[INFO] [stdout] 13 |     #[derive(Copy)]
[INFO] [stdout]    |              ---- first implementation here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `the-crate`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2bd50f533b6adb5a79d56f309a18ec08b042ac18b542a6f502c4f6e8c25658f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd50f533b6adb5a79d56f309a18ec08b042ac18b542a6f502c4f6e8c25658f0", kill_on_drop: false }`
[INFO] [stdout] 2bd50f533b6adb5a79d56f309a18ec08b042ac18b542a6f502c4f6e8c25658f0