[INFO] cloning repository https://github.com/twone-lv/eth-rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twone-lv/eth-rpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwone-lv%2Feth-rpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwone-lv%2Feth-rpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c089cf7cec8c44c435ce0b06fc2d7b4f00cc6f4
[INFO] testing twone-lv/eth-rpc against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwone-lv%2Feth-rpc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/twone-lv/eth-rpc
[INFO] finished tweaking git repo https://github.com/twone-lv/eth-rpc
[INFO] tweaked toml for git repo https://github.com/twone-lv/eth-rpc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/twone-lv/eth-rpc on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/twone-lv/eth-rpc 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.2.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.2.0
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[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded jsonrpc-derive v14.2.2
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[INFO] [stderr]   Downloaded ethereum-types v0.9.2
[INFO] [stderr]   Downloaded jsonrpc-core v14.2.0
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78cb450ac0b28802246a7f30f606e63ce569d3b351bb2037241ceb7d9f51904d
[INFO] running `Command { std: "docker" "start" "-a" "78cb450ac0b28802246a7f30f606e63ce569d3b351bb2037241ceb7d9f51904d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78cb450ac0b28802246a7f30f606e63ce569d3b351bb2037241ceb7d9f51904d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cb450ac0b28802246a7f30f606e63ce569d3b351bb2037241ceb7d9f51904d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4def9a402eea57ae6af7738b1446c3e5376e644855adea55b9d23c6da9217870
[INFO] running `Command { std: "docker" "start" "-a" "4def9a402eea57ae6af7738b1446c3e5376e644855adea55b9d23c6da9217870", kill_on_drop: false }`
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[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling indexmap v1.6.2
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[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
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[INFO] [stderr]    Compiling hyper v0.12.36
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
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[INFO] [stderr]    Compiling tokio-reactor v0.1.12
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[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling parity-scale-codec v1.3.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ethbloom v0.9.2
[INFO] [stderr]    Compiling jsonrpc-core v14.2.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling jsonrpc-derive v14.2.2
[INFO] [stderr]    Compiling jsonrpc-server-utils v14.2.0
[INFO] [stderr]    Compiling jsonrpc-http-server v14.2.0
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling primitive-types v0.7.3
[INFO] [stderr]    Compiling ethereum-types v0.9.2
[INFO] [stderr]    Compiling rpc-server v0.1.0 (/opt/rustwide/workdir/rpc-server)
[INFO] [stdout] warning: unused import: `BoxFuture`
[INFO] [stdout]  --> rpc-server/src/rpc/impls/eth.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use jsonrpc_core::{Result, BoxFuture};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonrpc_core::futures::future`
[INFO] [stdout]  --> rpc-server/src/rpc/impls/eth.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use jsonrpc_core::futures::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H160`, `H256`, `H64`, and `U64`
[INFO] [stdout]  --> rpc-server/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 imports: `Serialize` and `Serializer`
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Serialize, Serializer};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             /// Current block
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |             current_block: U256::from(133),
[INFO] [stdout]    |             ------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             /// Highest block seen so far
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |             highest_block: U256::from(134),
[INFO] [stdout]    |             ------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             /// Starting block
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |             starting_block: U256::from(0x432),
[INFO] [stdout]    |             --------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BoxFuture`
[INFO] [stdout]  --> rpc-server/src/rpc/traits/eth.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use jsonrpc_core::{Result, BoxFuture};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H160`, `H256`, `H64`, `U256`, and `U64`
[INFO] [stdout]  --> rpc-server/src/rpc/traits/eth.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^  ^^^^  ^^^^  ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SyncInfo`
[INFO] [stdout]  --> rpc-server/src/rpc/mod.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use types::{SyncStatus,SyncInfo,Metadata};
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> rpc-server/src/main.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rpc-server/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut req = request;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rpc-server/src/main.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct MyMiddleware(AtomicUsize);
[INFO] [stdout]    |        ------------ ^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.94s
[INFO] running `Command { std: "docker" "inspect" "4def9a402eea57ae6af7738b1446c3e5376e644855adea55b9d23c6da9217870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4def9a402eea57ae6af7738b1446c3e5376e644855adea55b9d23c6da9217870", kill_on_drop: false }`
[INFO] [stdout] 4def9a402eea57ae6af7738b1446c3e5376e644855adea55b9d23c6da9217870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f237bc0d2cb99db1b20b2ae6a169fa6468dba313be55508af61091cff3cae16
[INFO] running `Command { std: "docker" "start" "-a" "3f237bc0d2cb99db1b20b2ae6a169fa6468dba313be55508af61091cff3cae16", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rpc-server v0.1.0 (/opt/rustwide/workdir/rpc-server)
[INFO] [stdout] warning: unused import: `BoxFuture`
[INFO] [stdout]  --> rpc-server/src/rpc/impls/eth.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use jsonrpc_core::{Result, BoxFuture};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jsonrpc_core::futures::future`
[INFO] [stdout]  --> rpc-server/src/rpc/impls/eth.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use jsonrpc_core::futures::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H160`, `H256`, `H64`, and `U64`
[INFO] [stdout]  --> rpc-server/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 imports: `Serialize` and `Serializer`
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Serialize, Serializer};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             /// Current block
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |             current_block: U256::from(133),
[INFO] [stdout]    |             ------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             /// Highest block seen so far
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |             highest_block: U256::from(134),
[INFO] [stdout]    |             ------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> rpc-server/src/rpc/impls/eth.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             /// Starting block
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |             starting_block: U256::from(0x432),
[INFO] [stdout]    |             --------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BoxFuture`
[INFO] [stdout]  --> rpc-server/src/rpc/traits/eth.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use jsonrpc_core::{Result, BoxFuture};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `H160`, `H256`, `H64`, `U256`, and `U64`
[INFO] [stdout]  --> rpc-server/src/rpc/traits/eth.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stdout]   |                      ^^^  ^^^^  ^^^^  ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SyncInfo`
[INFO] [stdout]  --> rpc-server/src/rpc/mod.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use types::{SyncStatus,SyncInfo,Metadata};
[INFO] [stdout]   |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> rpc-server/src/main.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rpc-server/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut req = request;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rpc-server/src/main.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct MyMiddleware(AtomicUsize);
[INFO] [stdout]    |        ------------ ^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "3f237bc0d2cb99db1b20b2ae6a169fa6468dba313be55508af61091cff3cae16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f237bc0d2cb99db1b20b2ae6a169fa6468dba313be55508af61091cff3cae16", kill_on_drop: false }`
[INFO] [stdout] 3f237bc0d2cb99db1b20b2ae6a169fa6468dba313be55508af61091cff3cae16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09c49a610a58de7df9226fdffd869b313572778d9fcf004e0f5c1feb48ded180
[INFO] running `Command { std: "docker" "start" "-a" "09c49a610a58de7df9226fdffd869b313572778d9fcf004e0f5c1feb48ded180", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `BoxFuture`
[INFO] [stderr]  --> rpc-server/src/rpc/impls/eth.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use jsonrpc_core::{Result, BoxFuture};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jsonrpc_core::futures::future`
[INFO] [stderr]  --> rpc-server/src/rpc/impls/eth.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use jsonrpc_core::futures::future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `H160`, `H256`, `H64`, and `U64`
[INFO] [stderr]  --> rpc-server/src/rpc/impls/eth.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stderr]   |                      ^^^  ^^^^  ^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Serialize` and `Serializer`
[INFO] [stderr]   --> rpc-server/src/rpc/impls/eth.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::{Serialize, Serializer};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> rpc-server/src/rpc/impls/eth.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             /// Current block
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 27 |             current_block: U256::from(133),
[INFO] [stderr]    |             ------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> rpc-server/src/rpc/impls/eth.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             /// Highest block seen so far
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 29 |             highest_block: U256::from(134),
[INFO] [stderr]    |             ------------------------------ rustdoc does not generate documentation for expression fields
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> rpc-server/src/rpc/impls/eth.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             /// Starting block
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 31 |             starting_block: U256::from(0x432),
[INFO] [stderr]    |             --------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BoxFuture`
[INFO] [stderr]  --> rpc-server/src/rpc/traits/eth.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use jsonrpc_core::{Result, BoxFuture};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `H160`, `H256`, `H64`, `U256`, and `U64`
[INFO] [stderr]  --> rpc-server/src/rpc/traits/eth.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ethereum_types::{H64, H160, H256, U64, U256};
[INFO] [stderr]   |                      ^^^  ^^^^  ^^^^  ^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SyncInfo`
[INFO] [stderr]  --> rpc-server/src/rpc/mod.rs:7:28
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use types::{SyncStatus,SyncInfo,Metadata};
[INFO] [stderr]   |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> rpc-server/src/main.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::atomic::{self, AtomicUsize};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> rpc-server/src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> rpc-server/src/main.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut req = request;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> rpc-server/src/main.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct MyMiddleware(AtomicUsize);
[INFO] [stderr]    |        ------------ ^^^^^^^^^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rpc-server` (bin "rpc-server" test) generated 14 warnings (run `cargo fix --bin "rpc-server" -p rpc-server --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rpc_server-eec218bd059cbbcb)
[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" "09c49a610a58de7df9226fdffd869b313572778d9fcf004e0f5c1feb48ded180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c49a610a58de7df9226fdffd869b313572778d9fcf004e0f5c1feb48ded180", kill_on_drop: false }`
[INFO] [stdout] 09c49a610a58de7df9226fdffd869b313572778d9fcf004e0f5c1feb48ded180
