[INFO] fetching crate mining_proxy_sv2 0.1.1...
[INFO] testing mining_proxy_sv2-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mining_proxy_sv2 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mining_proxy_sv2 0.1.1
[INFO] finished tweaking crates.io crate mining_proxy_sv2 0.1.1
[INFO] tweaked toml for crates.io crate mining_proxy_sv2 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mining_proxy_sv2 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mining_proxy_sv2 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mining_sv2 v1.0.0
[INFO] [stderr]   Downloaded noise_sv2 v1.1.0
[INFO] [stderr]   Downloaded serde v1.0.200
[INFO] [stderr]   Downloaded framing_sv2 v1.0.0
[INFO] [stderr]   Downloaded const_sv2 v0.1.3
[INFO] [stderr]   Downloaded hex-conservative v0.1.1
[INFO] [stderr]   Downloaded binary_codec_sv2 v1.0.0
[INFO] [stderr]   Downloaded common_messages_sv2 v1.0.0
[INFO] [stderr]   Downloaded binary_sv2 v1.0.0
[INFO] [stderr]   Downloaded job_declaration_sv2 v1.0.0
[INFO] [stderr]   Downloaded network_helpers_sv2 v2.0.0
[INFO] [stderr]   Downloaded zeroize v1.7.0
[INFO] [stderr]   Downloaded derive_codec_sv2 v1.0.0
[INFO] [stderr]   Downloaded key-utils v1.0.0
[INFO] [stderr]   Downloaded roles_logic_sv2 v1.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.200
[INFO] [stderr]   Downloaded buffer_sv2 v1.0.0
[INFO] [stderr]   Downloaded syn v2.0.61
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded template_distribution_sv2 v1.0.0
[INFO] [stderr]   Downloaded stratum-common v1.0.0
[INFO] [stderr]   Downloaded const_sv2 v1.0.0
[INFO] [stderr]   Downloaded codec_sv2 v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 444f9d5dceaad5e29d75884bcf259f17ffab682c807ccab682c9d84aebc06e30
[INFO] running `Command { std: "docker" "start" "-a" "444f9d5dceaad5e29d75884bcf259f17ffab682c807ccab682c9d84aebc06e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "444f9d5dceaad5e29d75884bcf259f17ffab682c807ccab682c9d84aebc06e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444f9d5dceaad5e29d75884bcf259f17ffab682c807ccab682c9d84aebc06e30", kill_on_drop: false }`
[INFO] [stdout] 444f9d5dceaad5e29d75884bcf259f17ffab682c807ccab682c9d84aebc06e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd3abdebe42414d4f541f9964a262853475eb360f90dc19e48cf5bf464687c32
[INFO] running `Command { std: "docker" "start" "-a" "dd3abdebe42414d4f541f9964a262853475eb360f90dc19e48cf5bf464687c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling hex-conservative v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling binary_codec_sv2 v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling futures-sink v0.3.30
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[INFO] [stderr]    Compiling bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling bech32 v0.9.1
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[INFO] [stderr]    Compiling log v0.4.21
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[INFO] [stderr]    Compiling bitcoin_hashes v0.13.0
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[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
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[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
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[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling buffer_sv2 v1.0.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling secp256k1 v0.24.3
[INFO] [stderr]    Compiling bitcoin v0.29.2
[INFO] [stderr]    Compiling secp256k1 v0.28.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling const_sv2 v1.0.0
[INFO] [stderr]    Compiling const_sv2 v0.1.3
[INFO] [stderr]    Compiling noise_sv2 v1.1.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling binary_sv2 v1.0.0
[INFO] [stderr]    Compiling framing_sv2 v1.0.0
[INFO] [stderr]    Compiling mining_sv2 v1.0.0
[INFO] [stderr]    Compiling common_messages_sv2 v1.0.0
[INFO] [stderr]    Compiling job_declaration_sv2 v1.0.0
[INFO] [stderr]    Compiling template_distribution_sv2 v1.0.0
[INFO] [stderr]    Compiling codec_sv2 v1.0.1
[INFO] [stderr]    Compiling stratum-common v1.0.0
[INFO] [stderr]    Compiling roles_logic_sv2 v1.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling network_helpers_sv2 v2.0.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling key-utils v1.0.0
[INFO] [stderr]    Compiling mining_proxy_sv2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib/upstream_mining.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout]     |                                  ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout] 406 +                     .map_err(|e| error!("Failed to send {:?}", e))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib/upstream_mining.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout]     |                                  ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout] 406 +                     .map_err(|e| error!("Failed to send {:?}", e))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SendError(SendError<EitherFrame>),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] 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 -     SendError(SendError<EitherFrame>),
[INFO] [stdout] 13 +     SendError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     UpstreamNotAvailabe(SocketAddr),
[INFO] [stdout]    |     ------------------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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 -     UpstreamNotAvailabe(SocketAddr),
[INFO] [stdout] 14 +     UpstreamNotAvailabe(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SetupConnectionError(String),
[INFO] [stdout]    |     -------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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 -     SetupConnectionError(String),
[INFO] [stdout] 15 +     SetupConnectionError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.15s
[INFO] running `Command { std: "docker" "inspect" "dd3abdebe42414d4f541f9964a262853475eb360f90dc19e48cf5bf464687c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3abdebe42414d4f541f9964a262853475eb360f90dc19e48cf5bf464687c32", kill_on_drop: false }`
[INFO] [stdout] dd3abdebe42414d4f541f9964a262853475eb360f90dc19e48cf5bf464687c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 900ad1fcdba1f05045091d994ccad1c9c0093ee09e91211e2493f044cc9d6a47
[INFO] running `Command { std: "docker" "start" "-a" "900ad1fcdba1f05045091d994ccad1c9c0093ee09e91211e2493f044cc9d6a47", kill_on_drop: false }`
[INFO] [stderr]    Compiling mining_proxy_sv2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib/upstream_mining.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout]     |                                  ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout] 406 +                     .map_err(|e| error!("Failed to send {:?}", e))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib/upstream_mining.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout]     |                                  ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout] 406 +                     .map_err(|e| error!("Failed to send {:?}", e))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib/upstream_mining.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout]     |                                  ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 406 -                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stdout] 406 +                     .map_err(|e| error!("Failed to send {:?}", e))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SendError(SendError<EitherFrame>),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] 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 -     SendError(SendError<EitherFrame>),
[INFO] [stdout] 13 +     SendError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     UpstreamNotAvailabe(SocketAddr),
[INFO] [stdout]    |     ------------------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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 -     UpstreamNotAvailabe(SocketAddr),
[INFO] [stdout] 14 +     UpstreamNotAvailabe(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib/error.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SetupConnectionError(String),
[INFO] [stdout]    |     -------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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 -     SetupConnectionError(String),
[INFO] [stdout] 15 +     SetupConnectionError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "900ad1fcdba1f05045091d994ccad1c9c0093ee09e91211e2493f044cc9d6a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900ad1fcdba1f05045091d994ccad1c9c0093ee09e91211e2493f044cc9d6a47", kill_on_drop: false }`
[INFO] [stdout] 900ad1fcdba1f05045091d994ccad1c9c0093ee09e91211e2493f044cc9d6a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 116451ba5e45063baf832e810885a09c17b2b28c2e2d09b5fa907cafcd8bc1cb
[INFO] running `Command { std: "docker" "start" "-a" "116451ba5e45063baf832e810885a09c17b2b28c2e2d09b5fa907cafcd8bc1cb", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib/upstream_mining.rs:406:34
[INFO] [stderr]     |
[INFO] [stderr] 406 |                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stderr]     |                                  ^                                ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 406 -                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stderr] 406 +                     .map_err(|e| error!("Failed to send {:?}", e))?;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `mining_proxy_sv2` (lib) generated 1 warning (run `cargo fix --lib -p mining_proxy_sv2` to apply 1 suggestion)
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lib/error.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 |     SendError(SendError<EitherFrame>),
[INFO] [stderr]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 13 -     SendError(SendError<EitherFrame>),
[INFO] [stderr] 13 +     SendError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lib/error.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     UpstreamNotAvailabe(SocketAddr),
[INFO] [stderr]    |     ------------------- ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 14 -     UpstreamNotAvailabe(SocketAddr),
[INFO] [stderr] 14 +     UpstreamNotAvailabe(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lib/error.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     SetupConnectionError(String),
[INFO] [stderr]    |     -------------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 15 -     SetupConnectionError(String),
[INFO] [stderr] 15 +     SetupConnectionError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mining_proxy_sv2` (bin "mining_proxy_sv2" test) generated 4 warnings (1 duplicate)
[INFO] [stderr] warning: `mining_proxy_sv2` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib/mod.rs (/opt/rustwide/target/debug/deps/mining_proxy_sv2-f04cec444f407102)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mining_proxy_sv2-c893cce19cc371da)
[INFO] [stdout] running 1 test
[INFO] [stdout] test upstream_mining::tests::new_upstream_minining_node ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::upstream_mining::tests::new_upstream_minining_node ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mining_proxy_sv2
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib/upstream_mining.rs:406:34
[INFO] [stderr]     |
[INFO] [stderr] 406 |                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stderr]     |                                  ^                                ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 406 -                     .map_err(|e| (error!("Failed to send {:?}", e)))?;
[INFO] [stderr] 406 +                     .map_err(|e| error!("Failed to send {:?}", e))?;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "116451ba5e45063baf832e810885a09c17b2b28c2e2d09b5fa907cafcd8bc1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116451ba5e45063baf832e810885a09c17b2b28c2e2d09b5fa907cafcd8bc1cb", kill_on_drop: false }`
[INFO] [stdout] 116451ba5e45063baf832e810885a09c17b2b28c2e2d09b5fa907cafcd8bc1cb
