[INFO] cloning repository https://github.com/recursive-bloom/bloom-rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/recursive-bloom/bloom-rpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fbloom-rpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fbloom-rpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc74f83f410a96c806f42bfa5572c7d04f31353c
[INFO] checking recursive-bloom/bloom-rpc against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fbloom-rpc" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/recursive-bloom/bloom-rpc on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/recursive-bloom/bloom-rpc
[INFO] finished tweaking git repo https://github.com/recursive-bloom/bloom-rpc
[INFO] tweaked toml for git repo https://github.com/recursive-bloom/bloom-rpc written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/recursive-bloom/bloom-rpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tomusdrw/rust-web3`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded soketto v0.4.1
[INFO] [stderr]   Downloaded tracing-core v0.1.13
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.4
[INFO] [stderr]   Downloaded uint v0.8.4
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.2.0
[INFO] [stderr]   Downloaded jsonrpc-derive v14.2.1
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de14d670dcc5f47a68ab14ba10b5a12fc20e8427e86647e4c2b14d494b6ae7fb
[INFO] running `Command { std: "docker" "start" "-a" "de14d670dcc5f47a68ab14ba10b5a12fc20e8427e86647e4c2b14d494b6ae7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de14d670dcc5f47a68ab14ba10b5a12fc20e8427e86647e4c2b14d494b6ae7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de14d670dcc5f47a68ab14ba10b5a12fc20e8427e86647e4c2b14d494b6ae7fb", kill_on_drop: false }`
[INFO] [stdout] de14d670dcc5f47a68ab14ba10b5a12fc20e8427e86647e4c2b14d494b6ae7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd8ca622576279387b8610a6187bd996bfe7c75f93348cb1f72cb0234efb1a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ffd8ca622576279387b8610a6187bd996bfe7c75f93348cb1f72cb0234efb1a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
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[INFO] [stderr]     Checking bloom-rpc v0.1.0 (/opt/rustwide/workdir/rpc-server)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> rpc-server/src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> rpc-server/src/rpc/traits/bloom.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> rpc-server/src/rpc/impls/bloom.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> rpc-server/src/rpc/types/transaction_request.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ethereum_types::{H160,H256,U256};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> rpc-server/src/rpc/types/call_request.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_derive::{Serialize, Deserialize};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> rpc-server/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> rpc-server/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> rpc-server/src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::atomic::{self, AtomicUsize};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> rpc-server/src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpc::types::Bytes`
[INFO] [stdout]   --> rpc-server/src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rpc::types::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> rpc-server/src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> eth-rpc/src/rpc/traits/eth.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> eth-rpc/src/rpc/impls/eth.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> eth-rpc/src/rpc/types/transaction_request.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ethereum_types::{H160,H256,U256};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> eth-rpc/src/rpc/types/call_request.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_derive::{Serialize, Deserialize};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> eth-rpc/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> eth-rpc/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> eth-rpc/src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{self, AtomicUsize};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpc::types::Bytes`
[INFO] [stdout]   --> eth-rpc/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rpc::types::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> rpc-server/src/rpc/traits/bloom.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> rpc-server/src/rpc/impls/bloom.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> rpc-server/src/rpc/types/transaction_request.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ethereum_types::{H160,H256,U256};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> rpc-server/src/rpc/types/call_request.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_derive::{Serialize, Deserialize};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> rpc-server/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]   --> rpc-server/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> rpc-server/src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::atomic::{self, AtomicUsize};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> rpc-server/src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpc::types::Bytes`
[INFO] [stdout]   --> rpc-server/src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rpc::types::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> eth-rpc/src/rpc/traits/eth.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H64`, `U64`
[INFO] [stdout]  --> eth-rpc/src/rpc/impls/eth.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> eth-rpc/src/rpc/types/transaction_request.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ethereum_types::{H160,H256,U256};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> eth-rpc/src/rpc/types/call_request.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_derive::{Serialize, Deserialize};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> eth-rpc/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> eth-rpc/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> eth-rpc/src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{self, AtomicUsize};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rpc::types::Bytes`
[INFO] [stdout]   --> eth-rpc/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rpc::types::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bloom-rpc` due to 2 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> eth-rpc/src/rpc/impls/eth.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn balance(&self, address: H160, num: Option<BlockNumber>) -> BoxFuture<U256> {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> eth-rpc/src/rpc/impls/eth.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn balance(&self, address: H160, num: Option<BlockNumber>) -> BoxFuture<U256> {
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_min_block_num`
[INFO] [stdout]   --> eth-rpc/src/rpc/types/block_number.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn to_min_block_num(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec`
[INFO] [stdout]   --> eth-rpc/src/rpc/types/bytes.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn to_vec(self) -> Vec<u8> {self.0}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> eth-rpc/src/rpc/impls/eth.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn balance(&self, address: H160, num: Option<BlockNumber>) -> BoxFuture<U256> {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> eth-rpc/src/rpc/impls/eth.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn balance(&self, address: H160, num: Option<BlockNumber>) -> BoxFuture<U256> {
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_min_block_num`
[INFO] [stdout]   --> eth-rpc/src/rpc/types/block_number.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn to_min_block_num(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec`
[INFO] [stdout]   --> eth-rpc/src/rpc/types/bytes.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn to_vec(self) -> Vec<u8> {self.0}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ffd8ca622576279387b8610a6187bd996bfe7c75f93348cb1f72cb0234efb1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd8ca622576279387b8610a6187bd996bfe7c75f93348cb1f72cb0234efb1a5", kill_on_drop: false }`
[INFO] [stdout] ffd8ca622576279387b8610a6187bd996bfe7c75f93348cb1f72cb0234efb1a5
