[INFO] cloning repository https://github.com/jmaygarden/tokio-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmaygarden/tokio-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaygarden%2Ftokio-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaygarden%2Ftokio-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5322ca0b29b5d81dd7a19d05e4e605f7159d6e6
[INFO] checking jmaygarden/tokio-playground against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaygarden%2Ftokio-playground" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmaygarden/tokio-playground on toolchain 8ea250bdb76176ecb0225baa34aa634b024ae0e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmaygarden/tokio-playground
[INFO] finished tweaking git repo https://github.com/jmaygarden/tokio-playground
[INFO] tweaked toml for git repo https://github.com/jmaygarden/tokio-playground written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jmaygarden/tokio-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f68b3a6d394de0506746eb597642c545ca05b1842f7fa8523d686a0c521db1fd
[INFO] running `Command { std: "docker" "start" "-a" "f68b3a6d394de0506746eb597642c545ca05b1842f7fa8523d686a0c521db1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f68b3a6d394de0506746eb597642c545ca05b1842f7fa8523d686a0c521db1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68b3a6d394de0506746eb597642c545ca05b1842f7fa8523d686a0c521db1fd", kill_on_drop: false }`
[INFO] [stdout] f68b3a6d394de0506746eb597642c545ca05b1842f7fa8523d686a0c521db1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac83612592bf2e298d0686ec1347fe04c140a52d9ff473cf8555d2a5f386359c
[INFO] running `Command { std: "docker" "start" "-a" "ac83612592bf2e298d0686ec1347fe04c140a52d9ff473cf8555d2a5f386359c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tokio-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0391]: cycle detected when type-checking `start_signal_handler`
[INFO] [stdout]    --> src/main.rs:91:5
[INFO] [stdout]     |
[INFO] [stdout] 91  |     tokio::spawn(async move {
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/main.rs:91:29: 103:6]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires building MIR for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires type-checking `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: ...which again requires type-checking `start_signal_handler`, completing the cycle
[INFO] [stdout]     = note: cycle used when type-checking all item bodies
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0391]: cycle detected when type-checking `start_client`
[INFO] [stdout]    --> src/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     tokio::spawn(async move {
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/main.rs:123:29: 181:6]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires building MIR for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires type-checking `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: ...which again requires type-checking `start_client`, completing the cycle
[INFO] [stdout]     = note: cycle used when type-checking all item bodies
[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 E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-playground` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0391]: cycle detected when type-checking `start_signal_handler`
[INFO] [stdout]    --> src/main.rs:91:5
[INFO] [stdout]     |
[INFO] [stdout] 91  |     tokio::spawn(async move {
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/main.rs:91:29: 103:6]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires building MIR for `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires type-checking `start_signal_handler::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:91:29
[INFO] [stdout]     |
[INFO] [stdout] 91  |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 92  | |         let mut sigint = signal(SignalKind::interrupt()).unwrap();
[INFO] [stdout] 93  | |         let mut sigterm = signal(SignalKind::terminate()).unwrap();
[INFO] [stdout] 94  | |         let mut sighup = signal(SignalKind::hangup()).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: ...which again requires type-checking `start_signal_handler`, completing the cycle
[INFO] [stdout]     = note: cycle used when type-checking all item bodies
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0391]: cycle detected when type-checking `start_client`
[INFO] [stdout]    --> src/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     tokio::spawn(async move {
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/main.rs:123:29: 181:6]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires building MIR for `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires type-checking `start_client::{closure#0}`...
[INFO] [stdout]    --> src/main.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 124 | |         server.send(ServerMessage::Connected(addr)).await.unwrap();
[INFO] [stdout] 125 | |
[INFO] [stdout] 126 | |         let (reader, mut writer) = socket.split();
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |             .unwrap();
[INFO] [stdout] 181 | |     });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: ...which again requires type-checking `start_client`, completing the cycle
[INFO] [stdout]     = note: cycle used when type-checking all item bodies
[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 E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-playground` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ac83612592bf2e298d0686ec1347fe04c140a52d9ff473cf8555d2a5f386359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac83612592bf2e298d0686ec1347fe04c140a52d9ff473cf8555d2a5f386359c", kill_on_drop: false }`
[INFO] [stdout] ac83612592bf2e298d0686ec1347fe04c140a52d9ff473cf8555d2a5f386359c