[INFO] cloning repository https://github.com/stratum-mining/stratum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stratum-mining/stratum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstratum-mining%2Fstratum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstratum-mining%2Fstratum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 516a5827b29d6317565dc14a046c539e4167a1a6
[INFO] testing stratum-mining/stratum against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstratum-mining%2Fstratum" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stratum-mining/stratum on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-48/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/stratum-mining/stratum
[INFO] finished tweaking git repo https://github.com/stratum-mining/stratum
[INFO] tweaked toml for git repo https://github.com/stratum-mining/stratum written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/stratum-mining/stratum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b9611de2ab958ce4cce8121e4ef57e7d66213eea91dc5bab3f853151f14f0d
[INFO] running `Command { std: "docker" "start" "-a" "f1b9611de2ab958ce4cce8121e4ef57e7d66213eea91dc5bab3f853151f14f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b9611de2ab958ce4cce8121e4ef57e7d66213eea91dc5bab3f853151f14f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b9611de2ab958ce4cce8121e4ef57e7d66213eea91dc5bab3f853151f14f0d", kill_on_drop: false }`
[INFO] [stdout] f1b9611de2ab958ce4cce8121e4ef57e7d66213eea91dc5bab3f853151f14f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 817f71074883112e0909030bcaf24a16e748932d056b7bbd776392f13542af89
[INFO] running `Command { std: "docker" "start" "-a" "817f71074883112e0909030bcaf24a16e748932d056b7bbd776392f13542af89", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling binary_codec_sv2 v0.1.2 (/opt/rustwide/workdir/protocols/v2/binary-sv2/no-serde-sv2/codec)
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling const_sv2 v0.1.0 (/opt/rustwide/workdir/protocols/v2/const-sv2)
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling buffer_sv2 v0.1.0 (/opt/rustwide/workdir/utils/buffer)
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling bitcoin_hashes v0.10.0
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling coinbase-negotiator v0.1.0 (/opt/rustwide/workdir/experimental/coinbase-negotiator)
[INFO] [stderr]    Compiling quickcheck v1.0.3 (/opt/rustwide/workdir/examples/interop-cpp/template-provider/example-of-guix-build/quickcheck)
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0 (/opt/rustwide/workdir/examples/interop-cpp/template-provider/example-of-guix-build/quickcheck_macros)
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling bitcoin_hashes v0.3.2
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> protocols/v2/binary-sv2/no-serde-sv2/codec/src/codec/encodable.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn to_writer(self, dst: &mut impl Write) -> Result<(), E> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 30 |         let encoded_field = self.into();
[INFO] [stdout] 31 |         encoded_field.to_writer(dst)
[INFO] [stdout]    |         ---------------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling derive_codec_sv2 v0.1.2 (/opt/rustwide/workdir/protocols/v2/binary-sv2/no-serde-sv2/derive_codec)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling binary_sv2 v0.1.4 (/opt/rustwide/workdir/protocols/v2/binary-sv2/binary-sv2)
[INFO] [stderr]    Compiling framing_sv2 v0.1.3 (/opt/rustwide/workdir/protocols/v2/framing-sv2)
[INFO] [stderr]    Compiling template_distribution_sv2 v0.1.4 (/opt/rustwide/workdir/protocols/v2/subprotocols/template-distribution)
[INFO] [stderr]    Compiling common_messages_sv2 v0.1.4 (/opt/rustwide/workdir/protocols/v2/subprotocols/common-messages)
[INFO] [stderr]    Compiling mining_sv2 v0.1.0 (/opt/rustwide/workdir/protocols/v2/subprotocols/mining)
[INFO] [stderr]    Compiling job_negotiation_sv2 v0.1.0 (/opt/rustwide/workdir/protocols/v2/subprotocols/job-negotiation)
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]   --> protocols/v2/framing-sv2/src/framing2.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     header: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `NoiseFrame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> protocols/v2/framing-sv2/src/framing2.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling polyval v0.5.3
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]    Compiling ghash v0.4.4
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling secp256k1 v0.20.3
[INFO] [stderr]    Compiling aes-gcm v0.9.4
[INFO] [stderr]    Compiling bitcoin v0.27.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling chacha20 v0.7.3
[INFO] [stderr]    Compiling chacha20poly1305 v0.8.2
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling x25519-dalek v1.1.1
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling ed25519 v1.2.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling toml v0.5.6 (https://github.com/diondokter/toml-rs?rev=c4161aa#c4161aa7)
[INFO] [stderr]    Compiling serde_sv2 v0.1.0 (/opt/rustwide/workdir/protocols/v2/binary-sv2/serde-sv2)
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1 (https://github.com/dalek-cryptography/ed25519-dalek?branch=develop#913e76fc)
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]   --> protocols/v2/binary-sv2/serde-sv2/src/de.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     len: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Deserializer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> protocols/v2/binary-sv2/serde-sv2/src/de.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling noise_sv2 v0.1.1 (/opt/rustwide/workdir/protocols/v2/noise-sv2)
[INFO] [stderr]    Compiling v1 v0.1.0 (/opt/rustwide/workdir/protocols/v1)
[INFO] [stderr]    Compiling messages_sv2 v0.1.0 (/opt/rustwide/workdir/protocols/v2/messages-sv2)
[INFO] [stdout] warning: field is never read: `hw_id`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:603:5
[INFO] [stdout]     |
[INFO] [stdout] 603 |     hw_id: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `InfoParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:600:10
[INFO] [stdout]     |
[INFO] [stdout] 600 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:604:5
[INFO] [stdout]     |
[INFO] [stdout] 604 |     hw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `InfoParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:600:10
[INFO] [stdout]     |
[INFO] [stdout] 600 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sw_version`
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:605:5
[INFO] [stdout]     |
[INFO] [stdout] 605 |     sw_version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `InfoParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> protocols/v1/src/methods/client_to_server.rs:600:10
[INFO] [stdout]     |
[INFO] [stdout] 600 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling codec_sv2 v0.1.4 (/opt/rustwide/workdir/protocols/v2/codec-sv2)
[INFO] [stdout] warning: field is never read: `extranonce_prefix_len`
[INFO] [stdout]   --> protocols/v2/messages-sv2/src/job_creator.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     extranonce_prefix_len: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `JobCreator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> protocols/v2/messages-sv2/src/job_creator.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `upstream_target`
[INFO] [stdout]   --> protocols/v2/messages-sv2/src/job_dispatcher.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     upstream_target: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ExtendedJobs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> protocols/v2/messages-sv2/src/job_dispatcher.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target`
[INFO] [stdout]   --> protocols/v2/messages-sv2/src/job_dispatcher.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     target: Target,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `GroupChannelJobDispatcher` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> protocols/v2/messages-sv2/src/job_dispatcher.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling client_and_server v0.1.0 (/opt/rustwide/workdir/examples/sv1-client-and-server)
[INFO] [stderr]    Compiling network_helpers v0.1.0 (/opt/rustwide/workdir/utils/network-helpers)
[INFO] [stderr]    Compiling ping_pong_without_noise v0.1.0 (/opt/rustwide/workdir/examples/ping-pong-without-noise)
[INFO] [stderr]    Compiling interop-cpp v0.1.0 (/opt/rustwide/workdir/examples/interop-cpp)
[INFO] [stderr]    Compiling sv2_ffi v0.1.3 (/opt/rustwide/workdir/protocols/v2/sv2-ffi)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mining-device v0.1.0 (/opt/rustwide/workdir/roles/v2/test-utils/mining-device)
[INFO] [stderr]    Compiling template-provider-test v0.1.0 (/opt/rustwide/workdir/examples/template-provider-test)
[INFO] [stderr]    Compiling ping_pong_with_noise v0.1.0 (/opt/rustwide/workdir/examples/ping-pong-with-noise)
[INFO] [stderr]    Compiling pool v0.1.0 (/opt/rustwide/workdir/roles/v2/pool)
[INFO] [stderr]    Compiling test-pool v0.1.0 (/opt/rustwide/workdir/roles/v2/test-utils/pool)
[INFO] [stderr]    Compiling mining-proxy v0.1.0 (/opt/rustwide/workdir/roles/v2/mining-proxy)
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]   --> examples/ping-pong-without-noise/src/node.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     connection: Arc<Mutex<Connection>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> examples/ping-pong-without-noise/src/node.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `receiver`
[INFO] [stdout]    --> roles/v2/test-utils/mining-device/src/main.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     receiver: Receiver<EitherFrame>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> roles/v2/test-utils/mining-device/src/main.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `merkle_path`
[INFO] [stdout]   --> roles/v2/pool/src/lib/mining_pool/mod.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     merkle_path: Vec<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `CompleteStandardJob` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> roles/v2/pool/src/lib/mining_pool/mod.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `merkle_path`
[INFO] [stdout]    --> roles/v2/pool/src/lib/mining_pool/mod.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     merkle_path: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ExtendedJob` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> roles/v2/pool/src/lib/mining_pool/mod.rs:230:10
[INFO] [stdout]     |
[INFO] [stdout] 230 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nbits`
[INFO] [stdout]    --> roles/v2/pool/src/lib/mining_pool/mod.rs:233:5
[INFO] [stdout]     |
[INFO] [stdout] 233 |     nbits: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ExtendedJob` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> roles/v2/pool/src/lib/mining_pool/mod.rs:230:10
[INFO] [stdout]     |
[INFO] [stdout] 230 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pool`; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pool --edition=2018 roles/v2/pool/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=0ec371901ab9d225 -C extra-filename=-0ec371901ab9d225 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_channel=/opt/rustwide/target/debug/deps/libasync_channel-004eb037bcc1c997.rlib --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-e7cc4d417877455f.so --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c155732137d509e4.rlib --extern binary_sv2=/opt/rustwide/target/debug/deps/libbinary_sv2-c2bdc10f2222c968.rlib --extern bitcoin=/opt/rustwide/target/debug/deps/libbitcoin-ba90f7ec6d259762.rlib --extern buffer_sv2=/opt/rustwide/target/debug/deps/libbuffer_sv2-4d7d3308548b8b2c.rlib --extern codec_sv2=/opt/rustwide/target/debug/deps/libcodec_sv2-6380ec3d0d71d230.rlib --extern const_sv2=/opt/rustwide/target/debug/deps/libconst_sv2-f3380d499ebf5ee7.rlib --extern messages_sv2=/opt/rustwide/target/debug/deps/libmessages_sv2-b8375e35f6f5b2e9.rlib --extern network_helpers=/opt/rustwide/target/debug/deps/libnetwork_helpers-9778ab0ba5356c28.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-a8371e43f0ff1339.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/secp256k1-sys-78fc142542ca28ff/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "817f71074883112e0909030bcaf24a16e748932d056b7bbd776392f13542af89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817f71074883112e0909030bcaf24a16e748932d056b7bbd776392f13542af89", kill_on_drop: false }`
[INFO] [stdout] 817f71074883112e0909030bcaf24a16e748932d056b7bbd776392f13542af89