[INFO] cloning repository https://github.com/buchhlz2/beacon-light-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buchhlz2/beacon-light-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuchhlz2%2Fbeacon-light-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuchhlz2%2Fbeacon-light-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 939a7d31789f4d4e6a934de590e8f4b571dba74d
[INFO] testing buchhlz2/beacon-light-client against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuchhlz2%2Fbeacon-light-client" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/buchhlz2/beacon-light-client
[INFO] finished tweaking git repo https://github.com/buchhlz2/beacon-light-client
[INFO] tweaked toml for git repo https://github.com/buchhlz2/beacon-light-client written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/buchhlz2/beacon-light-client on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/buchhlz2/beacon-light-client 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sigp/lighthouse`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10
[INFO] running `Command { std: "docker" "start" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
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[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling matchit v0.4.4
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling compare_fields_derive v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling test_random_derive v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling eth2_ssz_derive v0.3.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling tree_hash_derive v0.4.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling tungstenite v0.14.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling superstruct v0.2.0
[INFO] [stderr]    Compiling lighthouse_metrics v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling tower-http v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.15.0
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling h2 v0.3.7
[INFO] [stderr]    Compiling tower v0.4.10
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling eth2_serde_utils v0.1.0
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling ethbloom v0.11.1
[INFO] [stderr]    Compiling rusqlite v0.25.3
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling primitive-types v0.10.1
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling ethereum-types v0.12.1
[INFO] [stderr]    Compiling eth2_ssz v0.4.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling tree_hash v0.4.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling swap_or_not_shuffle v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling merkle_proof v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling eth2_ssz_types v0.2.1 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling bls v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling cached_tree_hash v0.1.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling eth2_interop_keypairs v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling types v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling hyper v0.14.14
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling warp v0.3.2
[INFO] [stderr]    Compiling axum v0.3.3
[INFO] [stderr]    Compiling state_processing v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling slot_clock v0.2.0 (https://github.com/sigp/lighthouse?branch=stable#fff01b24)
[INFO] [stderr]    Compiling reqwest v0.11.6
[INFO] [stderr]    Compiling beacon_light_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/builder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `arbitrary-fuzz`
[INFO] [stdout]    --> src/light_client_types.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 | #[cfg_attr(feature = "arbitrary-fuzz", derive(arbitrary::Arbitrary))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `arbitrary-fuzz` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/monitor.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         loop {
[INFO] [stdout] 31 | |             let start = Instant::now();
[INFO] [stdout] 32 | |             let (slot, epoch) = self.timer.tick_slot().await;
[INFO] [stdout] 33 | |             let elapsed = start.elapsed();
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |             builder.run::<MainnetEthSpec>().await;
[INFO] [stdout] 39 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 40 |           
[INFO] [stdout] 41 |           Ok(())
[INFO] [stdout]    |           ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_signature`
[INFO] [stdout]   --> src/builder.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (beacon_block, block_signature) = signed_block.clone().deconstruct();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_signature`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_sync_committee`
[INFO] [stdout]   --> src/builder.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...   let next_sync_committee = self.client.get_sync_committees_at_epoch(beacon_block.state_root(), next_period_starting_epoch).awai...
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_sync_committee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]  --> src/light_client_server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LightClientServer {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 5 |     config: Settings
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/monitor.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             builder.run::<MainnetEthSpec>().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let _ = builder.run::<MainnetEthSpec>().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/builder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `arbitrary-fuzz`
[INFO] [stdout]    --> src/light_client_types.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 | #[cfg_attr(feature = "arbitrary-fuzz", derive(arbitrary::Arbitrary))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `arbitrary-fuzz` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/monitor.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         loop {
[INFO] [stdout] 31 | |             let start = Instant::now();
[INFO] [stdout] 32 | |             let (slot, epoch) = self.timer.tick_slot().await;
[INFO] [stdout] 33 | |             let elapsed = start.elapsed();
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |             builder.run::<MainnetEthSpec>().await;
[INFO] [stdout] 39 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 40 |           
[INFO] [stdout] 41 |           Ok(())
[INFO] [stdout]    |           ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_signature`
[INFO] [stdout]   --> src/builder.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (beacon_block, block_signature) = signed_block.clone().deconstruct();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_signature`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_sync_committee`
[INFO] [stdout]   --> src/builder.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...   let next_sync_committee = self.client.get_sync_committees_at_epoch(beacon_block.state_root(), next_period_starting_epoch).awai...
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_sync_committee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling beacon_light_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]  --> src/light_client_server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LightClientServer {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 5 |     config: Settings
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/monitor.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             builder.run::<MainnetEthSpec>().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let _ = builder.run::<MainnetEthSpec>().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/builder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `arbitrary-fuzz`
[INFO] [stdout]    --> src/light_client_types.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 | #[cfg_attr(feature = "arbitrary-fuzz", derive(arbitrary::Arbitrary))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `arbitrary-fuzz` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/monitor.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         loop {
[INFO] [stdout] 31 | |             let start = Instant::now();
[INFO] [stdout] 32 | |             let (slot, epoch) = self.timer.tick_slot().await;
[INFO] [stdout] 33 | |             let elapsed = start.elapsed();
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |             builder.run::<MainnetEthSpec>().await;
[INFO] [stdout] 39 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 40 |           
[INFO] [stdout] 41 |           Ok(())
[INFO] [stdout]    |           ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_signature`
[INFO] [stdout]   --> src/builder.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (beacon_block, block_signature) = signed_block.clone().deconstruct();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_signature`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_sync_committee`
[INFO] [stdout]   --> src/builder.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...   let next_sync_committee = self.client.get_sync_committees_at_epoch(beacon_block.state_root(), next_period_starting_epoch).awai...
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_sync_committee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]  --> src/light_client_server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LightClientServer {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 5 |     config: Settings
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/monitor.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             builder.run::<MainnetEthSpec>().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let _ = builder.run::<MainnetEthSpec>().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> src/builder.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `arbitrary-fuzz`
[INFO] [stderr]    --> src/light_client_types.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 | #[cfg_attr(feature = "arbitrary-fuzz", derive(arbitrary::Arbitrary))]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `arbitrary-fuzz` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/monitor.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | /         loop {
[INFO] [stderr] 31 | |             let start = Instant::now();
[INFO] [stderr] 32 | |             let (slot, epoch) = self.timer.tick_slot().await;
[INFO] [stderr] 33 | |             let elapsed = start.elapsed();
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |             builder.run::<MainnetEthSpec>().await;
[INFO] [stderr] 39 | |         }
[INFO] [stderr]    | |_________- any code following this expression is unreachable
[INFO] [stderr] 40 |           
[INFO] [stderr] 41 |           Ok(())
[INFO] [stderr]    |           ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_signature`
[INFO] [stderr]   --> src/builder.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let (beacon_block, block_signature) = signed_block.clone().deconstruct();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_signature`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next_sync_committee`
[INFO] [stderr]   --> src/builder.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 | ...   let next_sync_committee = self.client.get_sync_committees_at_epoch(beacon_block.state_root(), next_period_starting_epoch).awai...
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_sync_committee`
[INFO] [stderr] 
[INFO] [stderr] warning: field `config` is never read
[INFO] [stderr]  --> src/light_client_server.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct LightClientServer {
[INFO] [stderr]   |            ----------------- field in this struct
[INFO] [stderr] 5 |     config: Settings
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/monitor.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             builder.run::<MainnetEthSpec>().await;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let _ = builder.run::<MainnetEthSpec>().await;
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `beacon_light_client` (lib) generated 7 warnings (run `cargo fix --lib -p beacon_light_client` to apply 3 suggestions)
[INFO] [stderr] warning: `beacon_light_client` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/beacon_light_client-8c6222448663b95e)
[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/beacon_light_client-4b3d1a67df849335)
[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 beacon_light_client
[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" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10", kill_on_drop: false }`
[INFO] [stdout] 12c7159263c39d20eba141f83cf69238d245709ec43e5e2ae02ef611f3e41c10
