[INFO] crate sc2-proxy 0.1.0 is already in cache
[INFO] testing sc2-proxy-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate sc2-proxy 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sc2-proxy 0.1.0 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 crates.io crate sc2-proxy 0.1.0
[INFO] finished tweaking crates.io crate sc2-proxy 0.1.0
[INFO] tweaked toml for crates.io crate sc2-proxy 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 779c609c3231ca5617c84774a27a43fc55eea952059a02ae4fc7a0d1202c1939
[INFO] running `"docker" "start" "-a" "779c609c3231ca5617c84774a27a43fc55eea952059a02ae4fc7a0d1202c1939"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling protoc v2.14.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling portpicker v0.1.0
[INFO] [stderr]    Compiling shellexpand v1.1.1
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling protobuf-codegen v2.14.0
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling websocket v0.22.4
[INFO] [stderr]    Compiling protoc-rust v2.14.0
[INFO] [stderr]    Compiling sc2-proto v0.2.1
[INFO] [stderr]    Compiling sc2-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(type_alias_enum_variants)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RequestJoinGame` is imported redundantly
[INFO] [stderr]    --> src/game/lobby.rs:131:42
[INFO] [stderr]     |
[INFO] [stderr] 6   | use sc2_proto::sc2api::RequestJoinGame;
[INFO] [stderr]     |     ---------------------------------- the item `RequestJoinGame` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 131 |         use sc2_proto::sc2api::{Request, RequestJoinGame};
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game/mod.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn any_panic_to_string(panic_msg: Box<Any>) -> String {
[INFO] [stderr]    |                                       ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `sc2-proxy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "779c609c3231ca5617c84774a27a43fc55eea952059a02ae4fc7a0d1202c1939"`
[INFO] running `"docker" "rm" "-f" "779c609c3231ca5617c84774a27a43fc55eea952059a02ae4fc7a0d1202c1939"`
[INFO] [stdout] 779c609c3231ca5617c84774a27a43fc55eea952059a02ae4fc7a0d1202c1939