[INFO] cloning repository https://github.com/quangkeu95/brc20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quangkeu95/brc20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangkeu95%2Fbrc20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangkeu95%2Fbrc20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 750f280123f5f7b1f309693f391c3b2242f587b8
[INFO] testing quangkeu95/brc20 against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangkeu95%2Fbrc20" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quangkeu95/brc20 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quangkeu95/brc20
[INFO] finished tweaking git repo https://github.com/quangkeu95/brc20
[INFO] tweaked toml for git repo https://github.com/quangkeu95/brc20 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/quangkeu95/brc20 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoincore-rpc v0.17.0
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[INFO] running `Command { std: "docker" "start" "-a" "551c1d51bb9e5284f0851da72dab8d1c4f6b5b4fa0ab64f38e7b88017a4c60fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551c1d51bb9e5284f0851da72dab8d1c4f6b5b4fa0ab64f38e7b88017a4c60fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551c1d51bb9e5284f0851da72dab8d1c4f6b5b4fa0ab64f38e7b88017a4c60fb", kill_on_drop: false }`
[INFO] [stdout] 551c1d51bb9e5284f0851da72dab8d1c4f6b5b4fa0ab64f38e7b88017a4c60fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7eb07d786e34034a0801aefa10025b4c46eb426acfb66d5d8426180244d73eb
[INFO] running `Command { std: "docker" "start" "-a" "b7eb07d786e34034a0801aefa10025b4c46eb426acfb66d5d8426180244d73eb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.19
[INFO] [stderr]    Compiling bitcoin_hashes v0.12.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling jsonrpc v0.14.1
[INFO] [stderr]    Compiling secp256k1 v0.27.0
[INFO] [stderr]    Compiling hyper v0.14.26
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.18
[INFO] [stderr]    Compiling bitcoincore-rpc-json v0.17.0
[INFO] [stderr]    Compiling bitcoincore-rpc v0.17.0
[INFO] [stderr]    Compiling brc20 v0.1.0 (/opt/rustwide/workdir/bin/brc20)
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> bin/brc20/src/bitcoin_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> bin/brc20/src/bitcoin_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `latest_block` is never read
[INFO] [stdout]   --> bin/brc20/src/core.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   latest_block = block_info.blocks;
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_stats`
[INFO] [stdout]   --> bin/brc20/src/core.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_stats`
[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]   --> bin/brc20/src/core.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Auth`, `Client`, `GetBlockStatsResult`, `RpcApi`
[INFO] [stdout]  --> bin/brc20/src/main.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bitcoincore_rpc_json::{GetBlockStatsResult, GetBlockchainInfoResult},
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     Auth, Client, RpcApi,
[INFO] [stdout]   |     ^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitcoinRpcClient`, `spawn_watch_block_stats`
[INFO] [stdout]  --> bin/brc20/src/main.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |     bitcoin_client::{BitcoinClient, BitcoinRpcClient, RecommendedFee},
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     spawn_watch_block_interval, spawn_watch_block_stats, spawn_watch_recommended_fee,
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> bin/brc20/src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::{sync::Arc, time::Duration};
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `Command { std: "docker" "inspect" "b7eb07d786e34034a0801aefa10025b4c46eb426acfb66d5d8426180244d73eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7eb07d786e34034a0801aefa10025b4c46eb426acfb66d5d8426180244d73eb", kill_on_drop: false }`
[INFO] [stdout] b7eb07d786e34034a0801aefa10025b4c46eb426acfb66d5d8426180244d73eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ef7cf420fc372d1b22b3b9154addad41212c39f9ed79b29f417207dd563a103
[INFO] running `Command { std: "docker" "start" "-a" "8ef7cf420fc372d1b22b3b9154addad41212c39f9ed79b29f417207dd563a103", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> bin/brc20/src/bitcoin_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> bin/brc20/src/bitcoin_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `latest_block` is never read
[INFO] [stdout]   --> bin/brc20/src/core.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   latest_block = block_info.blocks;
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_stats`
[INFO] [stdout]   --> bin/brc20/src/core.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_stats`
[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]   --> bin/brc20/src/core.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[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] [stderr]    Compiling brc20 v0.1.0 (/opt/rustwide/workdir/bin/brc20)
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Auth`, `Client`, `GetBlockStatsResult`, `RpcApi`
[INFO] [stdout]  --> bin/brc20/src/main.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bitcoincore_rpc_json::{GetBlockStatsResult, GetBlockchainInfoResult},
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     Auth, Client, RpcApi,
[INFO] [stdout]   |     ^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitcoinRpcClient`, `spawn_watch_block_stats`
[INFO] [stdout]  --> bin/brc20/src/main.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |     bitcoin_client::{BitcoinClient, BitcoinRpcClient, RecommendedFee},
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     spawn_watch_block_interval, spawn_watch_block_stats, spawn_watch_recommended_fee,
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> bin/brc20/src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::{sync::Arc, time::Duration};
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Deserialize`
[INFO] [stdout]  --> bin/brc20/src/bitcoin_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> bin/brc20/src/bitcoin_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `latest_block` is never read
[INFO] [stdout]   --> bin/brc20/src/core.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   latest_block = block_info.blocks;
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_stats`
[INFO] [stdout]   --> bin/brc20/src/core.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_stats`
[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]   --> bin/brc20/src/core.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "8ef7cf420fc372d1b22b3b9154addad41212c39f9ed79b29f417207dd563a103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef7cf420fc372d1b22b3b9154addad41212c39f9ed79b29f417207dd563a103", kill_on_drop: false }`
[INFO] [stdout] 8ef7cf420fc372d1b22b3b9154addad41212c39f9ed79b29f417207dd563a103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0c48fbc918e7111da1a2c132f90f66c90c66aa1b72fd86b299650da76dc06c8
[INFO] running `Command { std: "docker" "start" "-a" "a0c48fbc918e7111da1a2c132f90f66c90c66aa1b72fd86b299650da76dc06c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `serde::Deserialize`
[INFO] [stderr]  --> bin/brc20/src/bitcoin_client.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::Deserialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> bin/brc20/src/bitcoin_client.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `latest_block` is never read
[INFO] [stderr]   --> bin/brc20/src/core.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 | ...                   latest_block = block_info.blocks;
[INFO] [stderr]    |                       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_stats`
[INFO] [stderr]   --> bin/brc20/src/core.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_stats`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> bin/brc20/src/core.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |             let mut block_stats: Option<GetBlockStatsResult> = None;
[INFO] [stderr]    |                 ----^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `brc20` (lib) generated 5 warnings (run `cargo fix --lib -p brc20` to apply 4 suggestions)
[INFO] [stderr] warning: `brc20` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: unused imports: `Auth`, `Client`, `GetBlockStatsResult`, `RpcApi`
[INFO] [stderr]  --> bin/brc20/src/main.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 |     bitcoincore_rpc_json::{GetBlockStatsResult, GetBlockchainInfoResult},
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     Auth, Client, RpcApi,
[INFO] [stderr]   |     ^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BitcoinRpcClient`, `spawn_watch_block_stats`
[INFO] [stderr]  --> bin/brc20/src/main.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 |     bitcoin_client::{BitcoinClient, BitcoinRpcClient, RecommendedFee},
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 8 |     spawn_watch_block_interval, spawn_watch_block_stats, spawn_watch_recommended_fee,
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Arc`
[INFO] [stderr]   --> bin/brc20/src/main.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::{sync::Arc, time::Duration};
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `brc20` (bin "brc20" test) generated 3 warnings (run `cargo fix --bin "brc20" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/brc20-17dd9f468c162b9c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brc20-b41e8b6f6c8b716f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brc20
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0c48fbc918e7111da1a2c132f90f66c90c66aa1b72fd86b299650da76dc06c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c48fbc918e7111da1a2c132f90f66c90c66aa1b72fd86b299650da76dc06c8", kill_on_drop: false }`
[INFO] [stdout] a0c48fbc918e7111da1a2c132f90f66c90c66aa1b72fd86b299650da76dc06c8
