[INFO] fetching crate jd_client 0.1.1...
[INFO] checking jd_client-0.1.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate jd_client 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate jd_client 0.1.1
[INFO] finished tweaking crates.io crate jd_client 0.1.1
[INFO] tweaked toml for crates.io crate jd_client 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jd_client 0.1.1 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jd_client 0.1.1 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a947fc37379b788ed142142d412be5e4307583ed11b94910917686f9b4568e9
[INFO] running `Command { std: "docker" "start" "-a" "2a947fc37379b788ed142142d412be5e4307583ed11b94910917686f9b4568e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a947fc37379b788ed142142d412be5e4307583ed11b94910917686f9b4568e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a947fc37379b788ed142142d412be5e4307583ed11b94910917686f9b4568e9", kill_on_drop: false }`
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[INFO] [stdout] 7b48ad72ff2adf62f482e32a101b9883522b385b2f820581dbc2682183182896
[INFO] running `Command { std: "docker" "start" "-a" "7b48ad72ff2adf62f482e32a101b9883522b385b2f820581dbc2682183182896", kill_on_drop: false }`
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[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib/upstream_sv2/upstream.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` 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: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib/upstream_sv2/upstream.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` 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: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib/upstream_sv2/upstream.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` 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: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib/upstream_sv2/upstream.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     #[cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` 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: field `prev_job_id` is never read
[INFO] [stdout]   --> src/lib/downstream.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct DownstreamMiningNode {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub prev_job_id: Option<u32>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DownstreamMiningNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     SubmitSharesExtended(
[INFO] [stdout]    |     -------------------- field in this variant
[INFO] [stdout] 11 |         async_channel::SendError<roles_logic_sv2::mining_sv2::SubmitSharesExtended<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -         async_channel::SendError<roles_logic_sv2::mining_sv2::SubmitSharesExtended<'a>>,
[INFO] [stdout] 11 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SetNewPrevHash(async_channel::SendError<roles_logic_sv2::mining_sv2::SetNewPrevHash<'a>>),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     SetNewPrevHash(async_channel::SendError<roles_logic_sv2::mining_sv2::SetNewPrevHash<'a>>),
[INFO] [stdout] 13 +     SetNewPrevHash(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NewExtendedMiningJob(async_channel::SendError<NewExtendedMiningJob<'a>>),
[INFO] [stdout]    |     -------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     NewExtendedMiningJob(async_channel::SendError<NewExtendedMiningJob<'a>>),
[INFO] [stdout] 14 +     NewExtendedMiningJob(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     General(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     General(String),
[INFO] [stdout] 15 +     General(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Extranonce(async_channel::SendError<(ExtendedExtranonce, u32)>),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Extranonce(async_channel::SendError<(ExtendedExtranonce, u32)>),
[INFO] [stdout] 16 +     Extranonce(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SetCustomMiningJob(
[INFO] [stdout]    |     ------------------ field in this variant
[INFO] [stdout] 18 |         async_channel::SendError<roles_logic_sv2::mining_sv2::SetCustomMiningJob<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -         async_channel::SendError<roles_logic_sv2::mining_sv2::SetCustomMiningJob<'a>>,
[INFO] [stdout] 18 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |       NewTemplate(
[INFO] [stdout]    |       ----------- field in this variant
[INFO] [stdout] 21 | /         async_channel::SendError<(
[INFO] [stdout] 22 | |             roles_logic_sv2::template_distribution_sv2::SetNewPrevHash<'a>,
[INFO] [stdout] 23 | |             Vec<u8>,
[INFO] [stdout] 24 | |         )>,
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -         async_channel::SendError<(
[INFO] [stdout] 22 -             roles_logic_sv2::template_distribution_sv2::SetNewPrevHash<'a>,
[INFO] [stdout] 23 -             Vec<u8>,
[INFO] [stdout] 24 -         )>,
[INFO] [stdout] 21 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `retry` is never read
[INFO] [stdout]   --> src/lib/proxy_config.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ProxyConfig {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub retry: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProxyConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sv2MiningConnection` is never constructed
[INFO] [stdout]   --> src/lib/upstream_sv2/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Sv2MiningConnection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_extranonce_size` and `upstream_extranonce1_size` are never read
[INFO] [stdout]    --> src/lib/upstream_sv2/upstream.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Upstream {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub min_extranonce_size: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     pub upstream_extranonce1_size: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Upstream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `prev_job_id` is never read
[INFO] [stdout]   --> src/lib/downstream.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct DownstreamMiningNode {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub prev_job_id: Option<u32>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DownstreamMiningNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     SubmitSharesExtended(
[INFO] [stdout]    |     -------------------- field in this variant
[INFO] [stdout] 11 |         async_channel::SendError<roles_logic_sv2::mining_sv2::SubmitSharesExtended<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -         async_channel::SendError<roles_logic_sv2::mining_sv2::SubmitSharesExtended<'a>>,
[INFO] [stdout] 11 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SetNewPrevHash(async_channel::SendError<roles_logic_sv2::mining_sv2::SetNewPrevHash<'a>>),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     SetNewPrevHash(async_channel::SendError<roles_logic_sv2::mining_sv2::SetNewPrevHash<'a>>),
[INFO] [stdout] 13 +     SetNewPrevHash(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NewExtendedMiningJob(async_channel::SendError<NewExtendedMiningJob<'a>>),
[INFO] [stdout]    |     -------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     NewExtendedMiningJob(async_channel::SendError<NewExtendedMiningJob<'a>>),
[INFO] [stdout] 14 +     NewExtendedMiningJob(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     General(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     General(String),
[INFO] [stdout] 15 +     General(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Extranonce(async_channel::SendError<(ExtendedExtranonce, u32)>),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     Extranonce(async_channel::SendError<(ExtendedExtranonce, u32)>),
[INFO] [stdout] 16 +     Extranonce(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SetCustomMiningJob(
[INFO] [stdout]    |     ------------------ field in this variant
[INFO] [stdout] 18 |         async_channel::SendError<roles_logic_sv2::mining_sv2::SetCustomMiningJob<'a>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -         async_channel::SendError<roles_logic_sv2::mining_sv2::SetCustomMiningJob<'a>>,
[INFO] [stdout] 18 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |       NewTemplate(
[INFO] [stdout]    |       ----------- field in this variant
[INFO] [stdout] 21 | /         async_channel::SendError<(
[INFO] [stdout] 22 | |             roles_logic_sv2::template_distribution_sv2::SetNewPrevHash<'a>,
[INFO] [stdout] 23 | |             Vec<u8>,
[INFO] [stdout] 24 | |         )>,
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChannelSendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -         async_channel::SendError<(
[INFO] [stdout] 22 -             roles_logic_sv2::template_distribution_sv2::SetNewPrevHash<'a>,
[INFO] [stdout] 23 -             Vec<u8>,
[INFO] [stdout] 24 -         )>,
[INFO] [stdout] 21 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `retry` is never read
[INFO] [stdout]   --> src/lib/proxy_config.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ProxyConfig {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub retry: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProxyConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sv2MiningConnection` is never constructed
[INFO] [stdout]   --> src/lib/upstream_sv2/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Sv2MiningConnection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_extranonce_size` and `upstream_extranonce1_size` are never read
[INFO] [stdout]    --> src/lib/upstream_sv2/upstream.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Upstream {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub min_extranonce_size: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 114 |     pub upstream_extranonce1_size: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Upstream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.45s
[INFO] running `Command { std: "docker" "inspect" "7b48ad72ff2adf62f482e32a101b9883522b385b2f820581dbc2682183182896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b48ad72ff2adf62f482e32a101b9883522b385b2f820581dbc2682183182896", kill_on_drop: false }`
[INFO] [stdout] 7b48ad72ff2adf62f482e32a101b9883522b385b2f820581dbc2682183182896
