[INFO] cloning repository https://github.com/bk2204/lawn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bk2204/lawn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbk2204%2Flawn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbk2204%2Flawn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccfdbf285baa2c410e3abad6996d7e9b66a7174c
[INFO] checking bk2204/lawn against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbk2204%2Flawn" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bk2204/lawn 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/bk2204/lawn
[INFO] finished tweaking git repo https://github.com/bk2204/lawn
[INFO] tweaked toml for git repo https://github.com/bk2204/lawn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bk2204/lawn 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 380cc149848bdd49a02e7535c913ba17c4065707e51f971a740bc82741ac50c4
[INFO] running `Command { std: "docker" "start" "-a" "380cc149848bdd49a02e7535c913ba17c4065707e51f971a740bc82741ac50c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "380cc149848bdd49a02e7535c913ba17c4065707e51f971a740bc82741ac50c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380cc149848bdd49a02e7535c913ba17c4065707e51f971a740bc82741ac50c4", kill_on_drop: false }`
[INFO] [stdout] 380cc149848bdd49a02e7535c913ba17c4065707e51f971a740bc82741ac50c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 00acd74b8946700260cdbe5544a3c8a535b50780b09aa275cca5512211b52868
[INFO] running `Command { std: "docker" "start" "-a" "00acd74b8946700260cdbe5544a3c8a535b50780b09aa275cca5512211b52868", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking lawn-constants v0.1.0 (/opt/rustwide/workdir/lawn-constants)
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking signal-hook-tokio v0.3.1
[INFO] [stderr]     Checking lawn-protocol v0.1.0 (/opt/rustwide/workdir/lawn-protocol)
[INFO] [stderr]     Checking lawn-bin v0.1.0 (/opt/rustwide/workdir/lawn-bin)
[INFO] [stdout] error[E0391]: cycle detected when type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read`
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         block_on_async(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@lawn-bin/src/channel.rs:268:35: 286:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read`, 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 `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write`
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         block_on_async(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@lawn-bin/src/channel.rs:303:35: 320:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write`, 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 `lawn-bin` 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 `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read`
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         block_on_async(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@lawn-bin/src/channel.rs:268:35: 286:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 269 | |             let mut v = vec![0u8; 4096];
[INFO] [stdout] 270 | |             let mut g = io.lock().await;
[INFO] [stdout] 271 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] ...   |
[INFO] [stdout] 285 | |             }
[INFO] [stdout] 286 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::read`, 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 `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write`
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         block_on_async(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@lawn-bin/src/channel.rs:303:35: 320:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write::{closure#0}`...
[INFO] [stdout]    --> lawn-bin/src/channel.rs:303:35
[INFO] [stdout]     |
[INFO] [stdout] 303 |           block_on_async(async move {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 304 | |             let mut g = io.lock().await;
[INFO] [stdout] 305 | |             let mut interval = tokio::time::interval(Duration::from_millis(10));
[INFO] [stdout] 306 | |             trace!(logger, "channel {}: write", id);
[INFO] [stdout] ...   |
[INFO] [stdout] 319 | |             }
[INFO] [stdout] 320 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `channel::<impl at lawn-bin/src/channel.rs:248:1: 248:45>::write`, 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 `lawn-bin` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "00acd74b8946700260cdbe5544a3c8a535b50780b09aa275cca5512211b52868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00acd74b8946700260cdbe5544a3c8a535b50780b09aa275cca5512211b52868", kill_on_drop: false }`
[INFO] [stdout] 00acd74b8946700260cdbe5544a3c8a535b50780b09aa275cca5512211b52868