[INFO] fetching crate naia-server-socket 0.5.0...
[INFO] testing naia-server-socket-0.5.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate naia-server-socket 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate naia-server-socket 0.5.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate naia-server-socket 0.5.0
[INFO] finished tweaking crates.io crate naia-server-socket 0.5.0
[INFO] tweaked toml for crates.io crate naia-server-socket 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded async-dup v1.2.2
[INFO] [stderr]   Downloaded webrtc-unreliable v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b12b2b495106a52cb9b97a3175e6b84487d70b0c1bb87a8ab1367eb40c66565d
[INFO] running `Command { std: "docker" "start" "-a" "b12b2b495106a52cb9b97a3175e6b84487d70b0c1bb87a8ab1367eb40c66565d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b12b2b495106a52cb9b97a3175e6b84487d70b0c1bb87a8ab1367eb40c66565d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12b2b495106a52cb9b97a3175e6b84487d70b0c1bb87a8ab1367eb40c66565d", kill_on_drop: false }`
[INFO] [stdout] b12b2b495106a52cb9b97a3175e6b84487d70b0c1bb87a8ab1367eb40c66565d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faa7c789e9ead7620810850d9d8389b224f6bea2e14dfe40e3affd0215c75fd5
[INFO] running `Command { std: "docker" "start" "-a" "faa7c789e9ead7620810850d9d8389b224f6bea2e14dfe40e3affd0215c75fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling local_ipaddress v0.1.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling naia-socket-shared v0.4.2
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling naia-server-socket v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Naia Server Socket requires either the 'use-udp' or 'use-webrtc' feature to be enabled, you must pick one.
[INFO] [stdout]   --> src/lib.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         compile_error!("Naia Server Socket requires either the 'use-udp' or 'use-webrtc' feature to be enabled, you must pick one.");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::ServerSocket`
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub use impls::ServerSocket;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ no `ServerSocket` in `impls`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `naia-server-socket` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "faa7c789e9ead7620810850d9d8389b224f6bea2e14dfe40e3affd0215c75fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa7c789e9ead7620810850d9d8389b224f6bea2e14dfe40e3affd0215c75fd5", kill_on_drop: false }`
[INFO] [stdout] faa7c789e9ead7620810850d9d8389b224f6bea2e14dfe40e3affd0215c75fd5