[INFO] cloning repository https://github.com/ACUVE/rust-sock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ACUVE/rust-sock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FACUVE%2Frust-sock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FACUVE%2Frust-sock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4399c438b4731944268c5457921a6cdaff40e909
[INFO] checking ACUVE/rust-sock against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FACUVE%2Frust-sock" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ACUVE/rust-sock 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/ACUVE/rust-sock
[INFO] finished tweaking git repo https://github.com/ACUVE/rust-sock
[INFO] tweaked toml for git repo https://github.com/ACUVE/rust-sock written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ACUVE/rust-sock 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f1a8bf9a77d5506765b5221b110d1abfa8e99f8ef6c2b6451b95809c681d4e0e
[INFO] running `Command { std: "docker" "start" "-a" "f1a8bf9a77d5506765b5221b110d1abfa8e99f8ef6c2b6451b95809c681d4e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1a8bf9a77d5506765b5221b110d1abfa8e99f8ef6c2b6451b95809c681d4e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a8bf9a77d5506765b5221b110d1abfa8e99f8ef6c2b6451b95809c681d4e0e", kill_on_drop: false }`
[INFO] [stdout] f1a8bf9a77d5506765b5221b110d1abfa8e99f8ef6c2b6451b95809c681d4e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b0d3e6c577f9f48fc135d4502300e61df9de9e0140b9817540e049b6dabc178f
[INFO] running `Command { std: "docker" "start" "-a" "b0d3e6c577f9f48fc135d4502300e61df9de9e0140b9817540e049b6dabc178f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking rust-sock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0391]: cycle detected when type-checking `spawn_listeners`
[INFO] [stdout]    --> src/bin/daemon.rs:80:1
[INFO] [stdout]     |
[INFO] [stdout] 80  | / async fn spawn_listeners<T, U>(
[INFO] [stdout] 81  | |     servers: T,
[INFO] [stdout] 82  | | ) -> Result<
[INFO] [stdout] 83  | |     Arc<Mutex<Vec<tokio::task::JoinHandle<Result<(), Box<dyn Error + Send + Sync>>>>>>,
[INFO] [stdout] ...   |
[INFO] [stdout] 87  | |     T: IntoIterator<Item = U>,
[INFO] [stdout] 88  | |     U: AsRef<OsStr>,
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     |
[INFO] [stdout] note: ...which requires generator glue MIR for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires elaborating drops for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires borrow-checking `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires processing `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires processing MIR for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires unsafety-checking `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires building MIR for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires type-checking `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     = note: ...which again requires type-checking `spawn_listeners`, completing the cycle
[INFO] [stdout] note: cycle used when building MIR for `spawn_listeners`
[INFO] [stdout]    --> src/bin/daemon.rs:80:1
[INFO] [stdout]     |
[INFO] [stdout] 80  | / async fn spawn_listeners<T, U>(
[INFO] [stdout] 81  | |     servers: T,
[INFO] [stdout] 82  | | ) -> Result<
[INFO] [stdout] 83  | |     Arc<Mutex<Vec<tokio::task::JoinHandle<Result<(), Box<dyn Error + Send + Sync>>>>>>,
[INFO] [stdout] ...   |
[INFO] [stdout] 87  | |     T: IntoIterator<Item = U>,
[INFO] [stdout] 88  | |     U: AsRef<OsStr>,
[INFO] [stdout]     | |____________________^
[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 E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-sock` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0391]: cycle detected when type-checking `spawn_listeners`
[INFO] [stdout]    --> src/bin/daemon.rs:80:1
[INFO] [stdout]     |
[INFO] [stdout] 80  | / async fn spawn_listeners<T, U>(
[INFO] [stdout] 81  | |     servers: T,
[INFO] [stdout] 82  | | ) -> Result<
[INFO] [stdout] 83  | |     Arc<Mutex<Vec<tokio::task::JoinHandle<Result<(), Box<dyn Error + Send + Sync>>>>>>,
[INFO] [stdout] ...   |
[INFO] [stdout] 87  | |     T: IntoIterator<Item = U>,
[INFO] [stdout] 88  | |     U: AsRef<OsStr>,
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     |
[INFO] [stdout] note: ...which requires generator glue MIR for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires elaborating drops for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires borrow-checking `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires processing `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires processing MIR for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires unsafety-checking `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires building MIR for `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout] note: ...which requires type-checking `spawn_listeners::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/bin/daemon.rs:98:64
[INFO] [stdout]     |
[INFO] [stdout] 98  |                   handlers.lock().unwrap().push(spawn(async move {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 99  | |                     loop {
[INFO] [stdout] 100 | |                         let (stream, addr) = listener.accept().await?;
[INFO] [stdout] 101 | |                         println!("TcpListener: connected from {:?}", addr);
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |                     }
[INFO] [stdout] 106 | |                 }));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     = note: ...which again requires type-checking `spawn_listeners`, completing the cycle
[INFO] [stdout] note: cycle used when building MIR for `spawn_listeners`
[INFO] [stdout]    --> src/bin/daemon.rs:80:1
[INFO] [stdout]     |
[INFO] [stdout] 80  | / async fn spawn_listeners<T, U>(
[INFO] [stdout] 81  | |     servers: T,
[INFO] [stdout] 82  | | ) -> Result<
[INFO] [stdout] 83  | |     Arc<Mutex<Vec<tokio::task::JoinHandle<Result<(), Box<dyn Error + Send + Sync>>>>>>,
[INFO] [stdout] ...   |
[INFO] [stdout] 87  | |     T: IntoIterator<Item = U>,
[INFO] [stdout] 88  | |     U: AsRef<OsStr>,
[INFO] [stdout]     | |____________________^
[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 E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-sock` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b0d3e6c577f9f48fc135d4502300e61df9de9e0140b9817540e049b6dabc178f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d3e6c577f9f48fc135d4502300e61df9de9e0140b9817540e049b6dabc178f", kill_on_drop: false }`
[INFO] [stdout] b0d3e6c577f9f48fc135d4502300e61df9de9e0140b9817540e049b6dabc178f