[INFO] cloning repository https://github.com/FreeFly0125/mini-bc-imp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFly0125/mini-bc-imp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFly0125%2Fmini-bc-imp", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 912a5058ddca3d6740aa978d498795dbf3156b88
[INFO] checking FreeFly0125/mini-bc-imp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFly0125%2Fmini-bc-imp" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFly0125/mini-bc-imp on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeFly0125/mini-bc-imp
[INFO] finished tweaking git repo https://github.com/FreeFly0125/mini-bc-imp
[INFO] tweaked toml for git repo https://github.com/FreeFly0125/mini-bc-imp written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeFly0125/mini-bc-imp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/mini_chain/chain.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::metadata::{BlockchainMetadata, BlockchainMetadataOperations, self};
[INFO] [stdout]   |                                                                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `distributions::Standard`
[INFO] [stdout]  --> src/mini_chain/chain.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, distributions::Standard};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/mini_chain/chain.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::stream::{BoxStream, Stream, StreamExt};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `instrument`
[INFO] [stdout]   --> src/mini_chain/chain.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing::{instrument, info};
[INFO] [stdout]    |               ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/mini_chain/client.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_channel::{Sender, Receiver};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/mini_chain/node.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/mini_chain/node.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Transaction, self
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/mini_chain/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:888:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `Arc` is already imported here
[INFO] [stdout] 888 |     use std::sync::Arc;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `self`
[INFO] [stdout]    --> src/mini_chain/node.rs:889:29
[INFO] [stdout]     |
[INFO] [stdout] 889 |     use tokio::sync::mpsc::{self, Sender, Receiver};
[INFO] [stdout]     |                             ^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RwLock` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `RwLock` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 890 |     use tokio::sync::RwLock;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SystemTime` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:891:21
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `SystemTime` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 891 |     use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UNIX_EPOCH` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:891:33
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `UNIX_EPOCH` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 891 |     use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:892:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 892 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::FuturesUnordered`
[INFO] [stdout]  --> src/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::stream::FuturesUnordered;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> src/network.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/network.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mini_chain::metadata`
[INFO] [stdout]   --> src/network.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::mini_chain::metadata;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FullNode`
[INFO] [stdout]   --> src/network.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ChannelFullNode, FullNode
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/network.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/mini_chain/chain.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::metadata::{BlockchainMetadata, BlockchainMetadataOperations, self};
[INFO] [stdout]   |                                                                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `distributions::Standard`
[INFO] [stdout]  --> src/mini_chain/chain.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, distributions::Standard};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/mini_chain/chain.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::stream::{BoxStream, Stream, StreamExt};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `instrument`
[INFO] [stdout]   --> src/mini_chain/chain.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing::{instrument, info};
[INFO] [stdout]    |               ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/mini_chain/client.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_channel::{Sender, Receiver};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/mini_chain/node.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/mini_chain/node.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Transaction, self
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/mini_chain/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::FuturesUnordered`
[INFO] [stdout]  --> src/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::stream::FuturesUnordered;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> src/network.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/network.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mini_chain::metadata`
[INFO] [stdout]   --> src/network.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::mini_chain::metadata;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FullNode`
[INFO] [stdout]   --> src/network.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ChannelFullNode, FullNode
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 62 | /                         loop {
[INFO] [stdout] 63 | |                             let transaction = Transaction::random_now(rng);
[INFO] [stdout] 64 | |                             client.submit_transaction(transaction).await?;
[INFO] [stdout] 65 | |                             tokio::time::sleep(Duration::from_millis(client_delay)).await;
[INFO] [stdout] 66 | |                         }
[INFO] [stdout]    | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 67 |                           Ok::<(), String>(())
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 70 | / ...   loop {
[INFO] [stdout] 71 | | ...       tokio::time::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 72 | | ...       // println!("{}", "Health check! If you don't see this you may have a livelock/overutilization".green());
[INFO] [stdout] 73 | | ...       // println!("{}", "If you see the health check above, but don't have block-building activity; you may have a deadlock.".purple());
[INFO] [stdout] 74 | | ...   }
[INFO] [stdout]    | |_______- any code following this expression is unreachable
[INFO] [stdout] 75 |   ...   Ok::<(), String>(())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 78  | /                         loop {
[INFO] [stdout] 79  | |                             {
[INFO] [stdout] 80  | |                                 let now = SystemTime::now()
[INFO] [stdout] 81  | |                                     .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |                             )).await; 
[INFO] [stdout] 100 | |                         }
[INFO] [stdout]     | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 101 |                           Ok::<(), String>(())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 62 | /                         loop {
[INFO] [stdout] 63 | |                             let transaction = Transaction::random_now(rng);
[INFO] [stdout] 64 | |                             client.submit_transaction(transaction).await?;
[INFO] [stdout] 65 | |                             tokio::time::sleep(Duration::from_millis(client_delay)).await;
[INFO] [stdout] 66 | |                         }
[INFO] [stdout]    | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 67 |                           Ok::<(), String>(())
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 70 | / ...   loop {
[INFO] [stdout] 71 | | ...       tokio::time::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 72 | | ...       // println!("{}", "Health check! If you don't see this you may have a livelock/overutilization".green());
[INFO] [stdout] 73 | | ...       // println!("{}", "If you see the health check above, but don't have block-building activity; you may have a deadlock.".purple());
[INFO] [stdout] 74 | | ...   }
[INFO] [stdout]    | |_______- any code following this expression is unreachable
[INFO] [stdout] 75 |   ...   Ok::<(), String>(())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 78  | /                         loop {
[INFO] [stdout] 79  | |                             {
[INFO] [stdout] 80  | |                                 let now = SystemTime::now()
[INFO] [stdout] 81  | |                                     .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |                             )).await; 
[INFO] [stdout] 100 | |                         }
[INFO] [stdout]     | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 101 |                           Ok::<(), String>(())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::SinkExt`
[INFO] [stdout]   --> src/mini_chain/chain.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::SinkExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/chain.rs:612:14
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let (mut tx, rx) = tokio::sync::mpsc::channel::<Result<Transaction, String>>(32);
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::SinkExt`
[INFO] [stdout]   --> src/mini_chain/chain.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::SinkExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let mut rx = self.proposed_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut rx = self.mined_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/chain.rs:612:14
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let (mut tx, rx) = tokio::sync::mpsc::channel::<Result<Transaction, String>>(32);
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:695:13
[INFO] [stdout]     |
[INFO] [stdout] 695 |         let mut rx = self.synchronizer_request_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let mut rx = self.mempool_transaction_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let mut rx = self.proposed_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut rx = self.mined_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:695:13
[INFO] [stdout]     |
[INFO] [stdout] 695 |         let mut rx = self.synchronizer_request_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let mut rx = self.mempool_transaction_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/block.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut transactions = BTreeSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]    --> src/mini_chain/block.rs:315:40
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn verify_proof_of_work(&self, difficulty: usize) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/block.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut transactions = BTreeSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]    --> src/mini_chain/block.rs:315:40
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn verify_proof_of_work(&self, difficulty: usize) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "feeb64c1e0cabdcf2e06a0320b14ea3ffe3a7f9933d0a6f1dce1b4c922504076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feeb64c1e0cabdcf2e06a0320b14ea3ffe3a7f9933d0a6f1dce1b4c922504076", kill_on_drop: false }`
[INFO] [stdout] feeb64c1e0cabdcf2e06a0320b14ea3ffe3a7f9933d0a6f1dce1b4c922504076
[INFO] checking FreeFly0125/mini-bc-imp against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFly0125%2Fmini-bc-imp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFly0125/mini-bc-imp on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeFly0125/mini-bc-imp
[INFO] finished tweaking git repo https://github.com/FreeFly0125/mini-bc-imp
[INFO] tweaked toml for git repo https://github.com/FreeFly0125/mini-bc-imp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeFly0125/mini-bc-imp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1e3b6705b19216f8d8d142e066049e2e4d6be11027248decc70fbedefb21ea
[INFO] running `Command { std: "docker" "start" "-a" "5d1e3b6705b19216f8d8d142e066049e2e4d6be11027248decc70fbedefb21ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1e3b6705b19216f8d8d142e066049e2e4d6be11027248decc70fbedefb21ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1e3b6705b19216f8d8d142e066049e2e4d6be11027248decc70fbedefb21ea", kill_on_drop: false }`
[INFO] [stdout] 5d1e3b6705b19216f8d8d142e066049e2e4d6be11027248decc70fbedefb21ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea91ee7c0eb650c6af6e40718d031899b63c928a551c5e48ae67ed1022bfa6b
[INFO] running `Command { std: "docker" "start" "-a" "aea91ee7c0eb650c6af6e40718d031899b63c928a551c5e48ae67ed1022bfa6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking parking_lot_core v0.9.9
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[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/mini_chain/chain.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::metadata::{BlockchainMetadata, BlockchainMetadataOperations, self};
[INFO] [stdout]   |                                                                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `distributions::Standard`
[INFO] [stdout]  --> src/mini_chain/chain.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, distributions::Standard};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/mini_chain/chain.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::stream::{BoxStream, Stream, StreamExt};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `instrument`
[INFO] [stdout]   --> src/mini_chain/chain.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing::{instrument, info};
[INFO] [stdout]    |               ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/mini_chain/client.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_channel::{Sender, Receiver};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/mini_chain/node.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/mini_chain/node.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Transaction, self
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/mini_chain/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/mini_chain/chain.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::metadata::{BlockchainMetadata, BlockchainMetadataOperations, self};
[INFO] [stdout]   |                                                                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::FuturesUnordered`
[INFO] [stdout]  --> src/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::stream::FuturesUnordered;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> src/network.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/network.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mini_chain::metadata`
[INFO] [stdout]   --> src/network.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::mini_chain::metadata;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FullNode`
[INFO] [stdout]   --> src/network.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ChannelFullNode, FullNode
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `distributions::Standard`
[INFO] [stdout]  --> src/mini_chain/chain.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, distributions::Standard};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/mini_chain/chain.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::stream::{BoxStream, Stream, StreamExt};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `instrument`
[INFO] [stdout]   --> src/mini_chain/chain.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing::{instrument, info};
[INFO] [stdout]    |               ^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/mini_chain/client.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_channel::{Sender, Receiver};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/mini_chain/node.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeSet, HashSet, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/mini_chain/node.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Transaction, self
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/mini_chain/node.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:888:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `Arc` is already imported here
[INFO] [stdout] 888 |     use std::sync::Arc;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `self`
[INFO] [stdout]    --> src/mini_chain/node.rs:889:29
[INFO] [stdout]     |
[INFO] [stdout] 889 |     use tokio::sync::mpsc::{self, Sender, Receiver};
[INFO] [stdout]     |                             ^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RwLock` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `RwLock` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 890 |     use tokio::sync::RwLock;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SystemTime` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:891:21
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `SystemTime` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 891 |     use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UNIX_EPOCH` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:891:33
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `UNIX_EPOCH` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 891 |     use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/mini_chain/node.rs:892:9
[INFO] [stdout]     |
[INFO] [stdout] 887 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 892 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::stream::FuturesUnordered`
[INFO] [stdout]  --> src/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::stream::FuturesUnordered;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> src/network.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::info`
[INFO] [stdout]  --> src/network.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::info;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/network.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mini_chain::metadata`
[INFO] [stdout]   --> src/network.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::mini_chain::metadata;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FullNode`
[INFO] [stdout]   --> src/network.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ChannelFullNode, FullNode
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/network.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 62 | /                         loop {
[INFO] [stdout] 63 | |                             let transaction = Transaction::random_now(rng);
[INFO] [stdout] 64 | |                             client.submit_transaction(transaction).await?;
[INFO] [stdout] 65 | |                             tokio::time::sleep(Duration::from_millis(client_delay)).await;
[INFO] [stdout] 66 | |                         }
[INFO] [stdout]    | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 67 |                           Ok::<(), String>(())
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 70 | / ...   loop {
[INFO] [stdout] 71 | | ...       tokio::time::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 72 | | ...       // println!("{}", "Health check! If you don't see this you may have a livelock/overutilization".green());
[INFO] [stdout] 73 | | ...       // println!("{}", "If you see the health check above, but don't have block-building activity; you may have a deadlock.".purple());
[INFO] [stdout] 74 | | ...   }
[INFO] [stdout]    | |_______- any code following this expression is unreachable
[INFO] [stdout] 75 |   ...   Ok::<(), String>(())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 78  | /                         loop {
[INFO] [stdout] 79  | |                             {
[INFO] [stdout] 80  | |                                 let now = SystemTime::now()
[INFO] [stdout] 81  | |                                     .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |                             )).await; 
[INFO] [stdout] 100 | |                         }
[INFO] [stdout]     | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 101 |                           Ok::<(), String>(())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 62 | /                         loop {
[INFO] [stdout] 63 | |                             let transaction = Transaction::random_now(rng);
[INFO] [stdout] 64 | |                             client.submit_transaction(transaction).await?;
[INFO] [stdout] 65 | |                             tokio::time::sleep(Duration::from_millis(client_delay)).await;
[INFO] [stdout] 66 | |                         }
[INFO] [stdout]    | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 67 |                           Ok::<(), String>(())
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/lib.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 70 | / ...   loop {
[INFO] [stdout] 71 | | ...       tokio::time::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 72 | | ...       // println!("{}", "Health check! If you don't see this you may have a livelock/overutilization".green());
[INFO] [stdout] 73 | | ...       // println!("{}", "If you see the health check above, but don't have block-building activity; you may have a deadlock.".purple());
[INFO] [stdout] 74 | | ...   }
[INFO] [stdout]    | |_______- any code following this expression is unreachable
[INFO] [stdout] 75 |   ...   Ok::<(), String>(())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 78  | /                         loop {
[INFO] [stdout] 79  | |                             {
[INFO] [stdout] 80  | |                                 let now = SystemTime::now()
[INFO] [stdout] 81  | |                                     .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...   |
[INFO] [stdout] 99  | |                             )).await; 
[INFO] [stdout] 100 | |                         }
[INFO] [stdout]     | |_________________________- any code following this expression is unreachable
[INFO] [stdout] 101 |                           Ok::<(), String>(())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::SinkExt`
[INFO] [stdout]   --> src/mini_chain/chain.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::SinkExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/chain.rs:612:14
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let (mut tx, rx) = tokio::sync::mpsc::channel::<Result<Transaction, String>>(32);
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/mini_chain/chain.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::SinkExt`
[INFO] [stdout]   --> src/mini_chain/chain.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::SinkExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let mut rx = self.proposed_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut rx = self.mined_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/chain.rs:612:14
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let (mut tx, rx) = tokio::sync::mpsc::channel::<Result<Transaction, String>>(32);
[INFO] [stdout]     |              ----^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:695:13
[INFO] [stdout]     |
[INFO] [stdout] 695 |         let mut rx = self.synchronizer_request_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let mut rx = self.mempool_transaction_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:410:13
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let mut rx = self.proposed_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let mut rx = self.mined_block_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:695:13
[INFO] [stdout]     |
[INFO] [stdout] 695 |         let mut rx = self.synchronizer_request_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/node.rs:807:13
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let mut rx = self.mempool_transaction_receiver.clone();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/block.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut transactions = BTreeSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]    --> src/mini_chain/block.rs:315:40
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn verify_proof_of_work(&self, difficulty: usize) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mini_chain/block.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut transactions = BTreeSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `difficulty`
[INFO] [stdout]    --> src/mini_chain/block.rs:315:40
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn verify_proof_of_work(&self, difficulty: usize) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "aea91ee7c0eb650c6af6e40718d031899b63c928a551c5e48ae67ed1022bfa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea91ee7c0eb650c6af6e40718d031899b63c928a551c5e48ae67ed1022bfa6b", kill_on_drop: false }`
[INFO] [stdout] aea91ee7c0eb650c6af6e40718d031899b63c928a551c5e48ae67ed1022bfa6b