[INFO] cloning repository https://github.com/dibbydoda/RustArb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dibbydoda/RustArb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdibbydoda%2FRustArb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdibbydoda%2FRustArb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82285581621bf388397d45ac28839069ea21f187
[INFO] testing dibbydoda/RustArb against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdibbydoda%2FRustArb" "/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/dibbydoda/RustArb
[INFO] finished tweaking git repo https://github.com/dibbydoda/RustArb
[INFO] tweaked toml for git repo https://github.com/dibbydoda/RustArb written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dibbydoda/RustArb 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/dibbydoda/RustArb 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]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/frontier`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers-contract-abigen v1.0.2
[INFO] [stderr]   Downloaded ethers-etherscan v1.0.2
[INFO] [stderr]   Downloaded serde-aux v4.1.2
[INFO] [stderr]   Downloaded ethers-middleware v1.0.2
[INFO] [stderr]   Downloaded ws_stream_wasm v0.7.3
[INFO] [stderr]   Downloaded coins-bip32 v0.7.0
[INFO] [stderr]   Downloaded base58check v0.1.0
[INFO] [stderr]   Downloaded deadpool-sync v0.1.0
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[INFO] [stderr]   Downloaded deadpool-sqlite v0.5.0
[INFO] [stderr]   Downloaded ethers v1.0.2
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded svm-rs v0.2.18
[INFO] [stderr]   Downloaded ethers-addressbook v1.0.2
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[INFO] [stderr]   Downloaded parity-scale-codec v3.2.1
[INFO] [stderr]   Downloaded ethers-core v1.0.2
[INFO] [stderr]   Downloaded ethers-providers v1.0.2
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[INFO] [stderr]   Downloaded triehash v0.8.4
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[INFO] [stderr]   Downloaded dunce v1.0.3
[INFO] [stderr]   Downloaded bstr v1.1.0
[INFO] [stderr]   Downloaded hash-db v0.15.2
[INFO] [stderr]   Downloaded scale-info-derive v2.3.1
[INFO] [stderr]   Downloaded jsonrpsee-server v0.16.2
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded ethers-contract-derive v1.0.2
[INFO] [stderr]   Downloaded tokio v1.23.0
[INFO] [stderr]   Downloaded coins-core v0.7.0
[INFO] [stderr]   Downloaded ethers-signers v1.0.2
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded jsonrpsee-types v0.16.2
[INFO] [stderr]   Downloaded ethers-contract v1.0.2
[INFO] [stderr]   Downloaded cargo_metadata v0.15.2
[INFO] [stderr]   Downloaded ethereum v0.14.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded ipnet v2.6.0
[INFO] [stderr]   Downloaded scale-info v2.3.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.17.2
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded jsonrpsee v0.16.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.4+zstd.1.5.2
[INFO] [stderr]   Downloaded ethers-solc v1.0.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.25.2
[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] 678573c5d09f81168f31761ed36d4336e0e07eff03465e8dd033d05599923d16
[INFO] running `Command { std: "docker" "start" "-a" "678573c5d09f81168f31761ed36d4336e0e07eff03465e8dd033d05599923d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678573c5d09f81168f31761ed36d4336e0e07eff03465e8dd033d05599923d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678573c5d09f81168f31761ed36d4336e0e07eff03465e8dd033d05599923d16", kill_on_drop: false }`
[INFO] [stdout] 678573c5d09f81168f31761ed36d4336e0e07eff03465e8dd033d05599923d16
[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] 290932a41fb477782382bd1a2a7adc344302b5a3f93520544f08ee8962c17b3f
[INFO] running `Command { std: "docker" "start" "-a" "290932a41fb477782382bd1a2a7adc344302b5a3f93520544f08ee8962c17b3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling subtle v2.4.1
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[INFO] [stderr]    Compiling parking_lot_core v0.9.5
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[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling impl-codec v0.6.0
[INFO] [stderr]    Compiling scale-info v2.3.1
[INFO] [stderr]    Compiling ethbloom v0.13.0
[INFO] [stderr]    Compiling primitive-types v0.12.1
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling tokio-stream v0.1.11
[INFO] [stderr]    Compiling deadpool-runtime v0.1.2
[INFO] [stderr]    Compiling ethereum-types v0.14.1
[INFO] [stderr]    Compiling deadpool v0.9.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.2
[INFO] [stderr]    Compiling open-fastrlp v0.1.4
[INFO] [stderr]    Compiling ethabi v18.0.0
[INFO] [stderr]    Compiling ethereum v0.14.0
[INFO] [stderr]    Compiling deadpool-sync v0.1.0
[INFO] [stderr]    Compiling deadpool-sqlite v0.5.0
[INFO] [stderr]    Compiling ethers-core v1.0.2
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling hyper-rustls v0.23.2
[INFO] [stderr]    Compiling reqwest v0.11.13
[INFO] [stderr]    Compiling ethers-signers v1.0.2
[INFO] [stderr]    Compiling ethers-addressbook v1.0.2
[INFO] [stderr]    Compiling ethers-contract-abigen v1.0.2
[INFO] [stderr]    Compiling ethers-contract-derive v1.0.2
[INFO] [stderr]    Compiling jsonrpsee-core v0.16.2
[INFO] [stderr]    Compiling jsonrpsee-server v0.16.2
[INFO] [stderr]    Compiling ethers-providers v1.0.2
[INFO] [stderr]    Compiling svm-rs v0.2.18
[INFO] [stderr]    Compiling ethers-etherscan v1.0.2
[INFO] [stderr]    Compiling jsonrpsee v0.16.2
[INFO] [stderr]    Compiling fc-rpc-core v1.1.0-dev (https://github.com/paritytech/frontier?branch=master#4afc9d41)
[INFO] [stderr]    Compiling ethers-solc v1.0.2
[INFO] [stderr]    Compiling ethers-contract v1.0.2
[INFO] [stderr]    Compiling ethers-middleware v1.0.2
[INFO] [stderr]    Compiling ethers v1.0.2
[INFO] [stderr]    Compiling arb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/txpool.rs:268:23
[INFO] [stdout]     |
[INFO] [stdout] 268 |         for (address, mut trade) in self.trades.iter_mut() {
[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 `output` is never read
[INFO] [stdout]   --> src/trade.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct PossibleArbitrage {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub output: U256,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PossibleArbitrage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `to` and `from` are never read
[INFO] [stdout]   --> src/trade.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Trade {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 96 |     pub tx_hash: H256,
[INFO] [stdout] 97 |     pub to: Address,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 98 |     pub from: Address,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Trade` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]    --> src/trade.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct SwapForExact {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 195 |     to: Address,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SwapForExact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]    --> src/trade.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub struct SwapExact {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 228 |     to: Address,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SwapExact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]    --> src/txpool.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct Watcher<'a> {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 164 |     client: &'a Provider<Ws>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txpool.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 243 |         transactions: Vec<Transaction>,
[INFO] [stdout] 244 |     ) -> Vec<FilteredTransactions> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     ) -> Vec<FilteredTransactions<'_>> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/v2protocol.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 433 |     protocols: Values<'a, H160, Protocol>,
[INFO] [stdout]     |                       -- the lifetime is named here
[INFO] [stdout] 434 | ) -> FlatMap<
[INFO] [stdout] 435 |     Values<'a, Address, Protocol>,
[INFO] [stdout]     |            -- the same lifetime is named here
[INFO] [stdout] 436 |     Values<'_, (Address, Address), Pair>,
[INFO] [stdout]     |            ^^ the same lifetime is elided here
[INFO] [stdout] 437 |     fn(&'a Protocol) -> Values<'_, (Address, Address), Pair>,
[INFO] [stdout]     |         --                     ^^ the same lifetime is elided here
[INFO] [stdout]     |         |
[INFO] [stdout]     |         the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 436 ~     Values<'a, (Address, Address), Pair>,
[INFO] [stdout] 437 ~     fn(&'a Protocol) -> Values<'a, (Address, Address), Pair>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "290932a41fb477782382bd1a2a7adc344302b5a3f93520544f08ee8962c17b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290932a41fb477782382bd1a2a7adc344302b5a3f93520544f08ee8962c17b3f", kill_on_drop: false }`
[INFO] [stdout] 290932a41fb477782382bd1a2a7adc344302b5a3f93520544f08ee8962c17b3f
[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] aef3d1ab0661bf368acf4a30c8ea79b16ccd811b20e0356867a4e2feda0d1a02
[INFO] running `Command { std: "docker" "start" "-a" "aef3d1ab0661bf368acf4a30c8ea79b16ccd811b20e0356867a4e2feda0d1a02", kill_on_drop: false }`
[INFO] [stderr]    Compiling arb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/txpool.rs:268:23
[INFO] [stdout]     |
[INFO] [stdout] 268 |         for (address, mut trade) in self.trades.iter_mut() {
[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 `output` is never read
[INFO] [stdout]   --> src/trade.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct PossibleArbitrage {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub output: U256,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PossibleArbitrage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `to` and `from` are never read
[INFO] [stdout]   --> src/trade.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Trade {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 96 |     pub tx_hash: H256,
[INFO] [stdout] 97 |     pub to: Address,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 98 |     pub from: Address,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Trade` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]    --> src/trade.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct SwapForExact {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 195 |     to: Address,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SwapForExact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]    --> src/trade.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub struct SwapExact {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 228 |     to: Address,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SwapExact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]    --> src/txpool.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct Watcher<'a> {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 164 |     client: &'a Provider<Ws>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txpool.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 243 |         transactions: Vec<Transaction>,
[INFO] [stdout] 244 |     ) -> Vec<FilteredTransactions> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     ) -> Vec<FilteredTransactions<'_>> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/v2protocol.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 433 |     protocols: Values<'a, H160, Protocol>,
[INFO] [stdout]     |                       -- the lifetime is named here
[INFO] [stdout] 434 | ) -> FlatMap<
[INFO] [stdout] 435 |     Values<'a, Address, Protocol>,
[INFO] [stdout]     |            -- the same lifetime is named here
[INFO] [stdout] 436 |     Values<'_, (Address, Address), Pair>,
[INFO] [stdout]     |            ^^ the same lifetime is elided here
[INFO] [stdout] 437 |     fn(&'a Protocol) -> Values<'_, (Address, Address), Pair>,
[INFO] [stdout]     |         --                     ^^ the same lifetime is elided here
[INFO] [stdout]     |         |
[INFO] [stdout]     |         the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 436 ~     Values<'a, (Address, Address), Pair>,
[INFO] [stdout] 437 ~     fn(&'a Protocol) -> Values<'a, (Address, Address), Pair>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "aef3d1ab0661bf368acf4a30c8ea79b16ccd811b20e0356867a4e2feda0d1a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef3d1ab0661bf368acf4a30c8ea79b16ccd811b20e0356867a4e2feda0d1a02", kill_on_drop: false }`
[INFO] [stdout] aef3d1ab0661bf368acf4a30c8ea79b16ccd811b20e0356867a4e2feda0d1a02
[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] c272f1c51de7365322d6c14e9dc46e57b91a42e94b252e056090c25853d4647a
[INFO] running `Command { std: "docker" "start" "-a" "c272f1c51de7365322d6c14e9dc46e57b91a42e94b252e056090c25853d4647a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/txpool.rs:268:23
[INFO] [stderr]     |
[INFO] [stderr] 268 |         for (address, mut trade) in self.trades.iter_mut() {
[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 `output` is never read
[INFO] [stderr]   --> src/trade.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct PossibleArbitrage {
[INFO] [stderr]    |            ----------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub output: U256,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PossibleArbitrage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `to` and `from` are never read
[INFO] [stderr]   --> src/trade.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct Trade {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 96 |     pub tx_hash: H256,
[INFO] [stderr] 97 |     pub to: Address,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 98 |     pub from: Address,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Trade` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `to` is never read
[INFO] [stderr]    --> src/trade.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 191 | pub struct SwapForExact {
[INFO] [stderr]     |            ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 195 |     to: Address,
[INFO] [stderr]     |     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SwapForExact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `to` is never read
[INFO] [stderr]    --> src/trade.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 224 | pub struct SwapExact {
[INFO] [stderr]     |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 228 |     to: Address,
[INFO] [stderr]     |     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SwapExact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `client` is never read
[INFO] [stderr]    --> src/txpool.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | struct Watcher<'a> {
[INFO] [stderr]     |        ------- field in this struct
[INFO] [stderr] 164 |     client: &'a Provider<Ws>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/txpool.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         &self,
[INFO] [stderr]     |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 243 |         transactions: Vec<Transaction>,
[INFO] [stderr] 244 |     ) -> Vec<FilteredTransactions> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 244 |     ) -> Vec<FilteredTransactions<'_>> {
[INFO] [stderr]     |                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/v2protocol.rs:436:12
[INFO] [stderr]     |
[INFO] [stderr] 433 |     protocols: Values<'a, H160, Protocol>,
[INFO] [stderr]     |                       -- the lifetime is named here
[INFO] [stderr] 434 | ) -> FlatMap<
[INFO] [stderr] 435 |     Values<'a, Address, Protocol>,
[INFO] [stderr]     |            -- the same lifetime is named here
[INFO] [stderr] 436 |     Values<'_, (Address, Address), Pair>,
[INFO] [stderr]     |            ^^ the same lifetime is elided here
[INFO] [stderr] 437 |     fn(&'a Protocol) -> Values<'_, (Address, Address), Pair>,
[INFO] [stderr]     |         --                     ^^ the same lifetime is elided here
[INFO] [stderr]     |         |
[INFO] [stderr]     |         the same lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 436 ~     Values<'a, (Address, Address), Pair>,
[INFO] [stderr] 437 ~     fn(&'a Protocol) -> Values<'a, (Address, Address), Pair>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `arb` (bin "arb" test) generated 8 warnings (run `cargo fix --bin "arb" -p arb --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/arb-b577f64280fc7af3)
[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" "c272f1c51de7365322d6c14e9dc46e57b91a42e94b252e056090c25853d4647a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c272f1c51de7365322d6c14e9dc46e57b91a42e94b252e056090c25853d4647a", kill_on_drop: false }`
[INFO] [stdout] c272f1c51de7365322d6c14e9dc46e57b91a42e94b252e056090c25853d4647a
