[INFO] cloning repository https://github.com/aweinstock314/wasm-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aweinstock314/wasm-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fwasm-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fwasm-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 841d60a837fc88d30ad16f9da2055133d2489852
[INFO] checking aweinstock314/wasm-snake against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faweinstock314%2Fwasm-snake" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aweinstock314/wasm-snake on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aweinstock314/wasm-snake
[INFO] finished tweaking git repo https://github.com/aweinstock314/wasm-snake
[INFO] tweaked toml for git repo https://github.com/aweinstock314/wasm-snake written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/aweinstock314/wasm-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93cce7029ad2627f112cb09929c09bc5e92e2699931f678445008898bf553c69
[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" "93cce7029ad2627f112cb09929c09bc5e92e2699931f678445008898bf553c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93cce7029ad2627f112cb09929c09bc5e92e2699931f678445008898bf553c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cce7029ad2627f112cb09929c09bc5e92e2699931f678445008898bf553c69", kill_on_drop: false }`
[INFO] [stdout] 93cce7029ad2627f112cb09929c09bc5e92e2699931f678445008898bf553c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194a4084b33d3c299620220c870a4b786ba41fa1187f212d5c468fca489abef4
[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" "194a4084b33d3c299620220c870a4b786ba41fa1187f212d5c468fca489abef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking wasm-snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `server`
[INFO] [stdout]    --> src/server.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![cfg(feature="server-deps")]
[INFO] [stdout] 2   | |
[INFO] [stdout] 3   | | #[macro_use] extern crate serde_derive;
[INFO] [stdout] 4   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |     let _ = server_tx.send(ServerInternalMsg::PlayerConnected(s2c_tx, c2s_rx));
[INFO] [stdout] 187 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/server.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-snake`
[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 `Command { std: "docker" "inspect" "194a4084b33d3c299620220c870a4b786ba41fa1187f212d5c468fca489abef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194a4084b33d3c299620220c870a4b786ba41fa1187f212d5c468fca489abef4", kill_on_drop: false }`
[INFO] [stdout] 194a4084b33d3c299620220c870a4b786ba41fa1187f212d5c468fca489abef4