[INFO] cloning repository https://github.com/yehudaNahon/rust-chat-service
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yehudaNahon/rust-chat-service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyehudaNahon%2Frust-chat-service", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyehudaNahon%2Frust-chat-service'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0db706ec18c6c0a9dfc0a7429c989ebaac3503a2
[INFO] checking yehudaNahon/rust-chat-service against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyehudaNahon%2Frust-chat-service" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yehudaNahon/rust-chat-service 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/yehudaNahon/rust-chat-service
[INFO] finished tweaking git repo https://github.com/yehudaNahon/rust-chat-service
[INFO] tweaked toml for git repo https://github.com/yehudaNahon/rust-chat-service written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/yehudaNahon/rust-chat-service 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] 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" "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] 180c95bd4144fa00d20317bb5b62fb48151534b76e5479083608af54cf9039cf
[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" "180c95bd4144fa00d20317bb5b62fb48151534b76e5479083608af54cf9039cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "180c95bd4144fa00d20317bb5b62fb48151534b76e5479083608af54cf9039cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180c95bd4144fa00d20317bb5b62fb48151534b76e5479083608af54cf9039cf", kill_on_drop: false }`
[INFO] [stdout] 180c95bd4144fa00d20317bb5b62fb48151534b76e5479083608af54cf9039cf
[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=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] d916e1bd92229d149937511f475d8979241e550e4aab4b9b30ed7c2133c8f96c
[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" "d916e1bd92229d149937511f475d8979241e550e4aab4b9b30ed7c2133c8f96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 self.clients.insert(new_token, client_socket);
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^ expected struct `mio::tcp::TcpStream`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `mio::tcp::TcpStream`
[INFO] [stdout]                found tuple `(mio::tcp::TcpStream, std::net::SocketAddr)`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat`
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 self.clients.insert(new_token, client_socket);
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^ expected struct `mio::tcp::TcpStream`, found tuple
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `mio::tcp::TcpStream`
[INFO] [stdout]                found tuple `(mio::tcp::TcpStream, std::net::SocketAddr)`
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d916e1bd92229d149937511f475d8979241e550e4aab4b9b30ed7c2133c8f96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d916e1bd92229d149937511f475d8979241e550e4aab4b9b30ed7c2133c8f96c", kill_on_drop: false }`
[INFO] [stdout] d916e1bd92229d149937511f475d8979241e550e4aab4b9b30ed7c2133c8f96c