[INFO] cloning repository https://github.com/fstnetwork/relayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fstnetwork/relayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffstnetwork%2Frelayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffstnetwork%2Frelayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c843c995c39eb42c24c4bbe03e077f44f885f8b8
[INFO] testing fstnetwork/relayer against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffstnetwork%2Frelayer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fstnetwork/relayer on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/fstnetwork/relayer
[INFO] finished tweaking git repo https://github.com/fstnetwork/relayer
[INFO] tweaked toml for git repo https://github.com/fstnetwork/relayer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fstnetwork/relayer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/parity-ethereum`
[INFO] [stderr]     Updating git submodule `https://github.com/ethereum/tests.git`
[INFO] [stderr]     Updating git submodule `https://github.com/paritytech/wasm-tests`
[INFO] [stderr]     Updating git repository `https://github.com/AtkinsChang/ethabi`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-secp256k1`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/app-dirs-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded rustc-hex v2.0.1
[INFO] [stderr]   Downloaded keccak-hash v0.1.2
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.1
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.5.2
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded tokio-udp v0.1.2
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded ethbloom v0.5.0
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded hyper v0.12.18
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.1.0
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] [stderr]   Downloaded shell32-sys v0.1.2
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded jsonrpc-core v9.0.0
[INFO] [stderr]   Downloaded tokio-uds v0.2.3
[INFO] [stderr]   Downloaded tokio-named-pipes v0.1.0
[INFO] [stderr]   Downloaded kvdb v0.1.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v9.0.0
[INFO] [stderr]   Downloaded plain_hasher v0.2.0
[INFO] [stderr]   Downloaded parity-crypto v0.2.0
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded h2 v0.1.13
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v9.0.0
[INFO] [stderr]   Downloaded memorydb v0.3.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v9.0.0
[INFO] [stderr]   Downloaded jsonrpc-macros v9.0.0
[INFO] [stderr]   Downloaded env_logger v0.6.0
[INFO] [stderr]   Downloaded globset v0.4.2
[INFO] [stderr]   Downloaded http v0.1.14
[INFO] [stderr]   Downloaded jsonrpc-pubsub v9.0.0
[INFO] [stderr]   Downloaded hashdb v0.3.0
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded ryu v0.2.6
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.3
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.8
[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded unicase v2.2.0
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded patricia-trie v0.3.0
[INFO] [stderr]   Downloaded parity-wordlist v1.2.1
[INFO] [stderr]   Downloaded hex-slice v0.1.4
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded arc-swap v0.3.4
[INFO] [stderr]   Downloaded signal-hook v0.1.5
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded elastic-array v0.10.0
[INFO] [stderr]   Downloaded parity-bytes v0.1.0
[INFO] [stderr]   Downloaded rlp v0.3.0
[INFO] [stderr]   Downloaded edit-distance v2.0.1
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.1
[INFO] [stderr]   Downloaded fixed-hash v0.2.2
[INFO] [stderr]   Downloaded uint v0.4.1
[INFO] [stderr]   Downloaded ethereum-types v0.4.0
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.82
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded home v0.3.3
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee572af3e6accebcf593541ed74eedcdd5810c359ba4273661375fc32ae362b3
[INFO] running `Command { std: "docker" "start" "-a" "ee572af3e6accebcf593541ed74eedcdd5810c359ba4273661375fc32ae362b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee572af3e6accebcf593541ed74eedcdd5810c359ba4273661375fc32ae362b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee572af3e6accebcf593541ed74eedcdd5810c359ba4273661375fc32ae362b3", kill_on_drop: false }`
[INFO] [stdout] ee572af3e6accebcf593541ed74eedcdd5810c359ba4273661375fc32ae362b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a2d7545b94b14d0b1aa19e4ee2b514caefd07035b1a4e2520075c471ee9455
[INFO] running `Command { std: "docker" "start" "-a" "43a2d7545b94b14d0b1aa19e4ee2b514caefd07035b1a4e2520075c471ee9455", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling hashdb v0.3.0
[INFO] [stderr]    Compiling parity-bytes v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling mem v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling edit-distance v2.0.1
[INFO] [stderr]    Compiling unexpected v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling hex-slice v0.1.4
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling arc-swap v0.3.4
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling mio-named-pipes v0.1.6
[INFO] [stderr]    Compiling home v0.3.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling eth-secp256k1 v0.5.7 (https://github.com/paritytech/rust-secp256k1#ccc06e74)
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling signal-hook v0.1.5
[INFO] [stderr]    Compiling app_dirs v1.2.1 (https://github.com/paritytech/app-dirs-rs#0b37f948)
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling plain_hasher v0.2.0
[INFO] [stderr]    Compiling fixed-hash v0.2.2
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling elastic-array v0.10.0
[INFO] [stderr]    Compiling memory-cache v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling parity-wordlist v1.2.1
[INFO] [stderr]    Compiling miow v0.3.3
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling patricia-trie v0.3.0
[INFO] [stderr]    Compiling kvdb v0.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling ethbloom v0.5.0
[INFO] [stderr]    Compiling parity-crypto v0.2.0
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling ethereum-types v0.4.0
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling parking_lot v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling rlp_derive v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling hyper v0.12.18
[INFO] [stderr]    Compiling tokio-named-pipes v0.1.0
[INFO] [stderr]    Compiling rlp v0.3.0
[INFO] [stderr]    Compiling keccak-hasher v0.1.1 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling keccak-hash v0.1.2
[INFO] [stderr]    Compiling fastmap v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling parity-tokio-ipc v0.1.0
[INFO] [stderr]    Compiling patricia-trie-ethereum v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling memorydb v0.3.0
[INFO] [stderr]    Compiling journaldb v0.2.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling dir v0.1.2 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling ethjson v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling ethkey v0.3.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling jsonrpc-core v9.0.0
[INFO] [stderr]    Compiling ethabi v6.1.0 (https://github.com/AtkinsChang/ethabi?branch=fix_dynamic_type#bbaa93e6)
[INFO] [stderr]    Compiling ethstore v0.2.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling jsonrpc-server-utils v9.0.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v9.0.0
[INFO] [stderr]    Compiling jsonrpc-macros v9.0.0
[INFO] [stderr]    Compiling jsonrpc-http-server v9.0.0
[INFO] [stderr]    Compiling jsonrpc-ipc-server v9.0.0
[INFO] [stderr]    Compiling common-types v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling vm v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling evm v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling ethcore-transaction v0.1.0 (https://github.com/paritytech/parity-ethereum#81b76984)
[INFO] [stderr]    Compiling types v0.1.0 (/opt/rustwide/workdir/core/types)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/core/traits)
[INFO] [stderr]    Compiling contract-abi v0.1.0 (/opt/rustwide/workdir/core/contract_abi)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout] 26 + pub type AccountStateFuture<Error> = Box<dyn Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout] 27 + pub type BytesFuture<Error> = Box<dyn Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout] 28 + pub type BoolFuture<Error> = Box<dyn Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 - pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout] 29 + pub type U256Future<Error> = Box<dyn Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout] 30 + pub type H256Future<Error> = Box<dyn Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout] 32 +     Box<dyn Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 -     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout] 34 +     Box<dyn Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 -     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout] 36 +     Box<dyn Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stdout] 30 +     pub filter: Option<Box<dyn Fn(&Address) -> bool>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/machine.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout] 48 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout] 46 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 22 +     fn gas_price(&self) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 29 +     ) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pool v0.1.0 (/opt/rustwide/workdir/core/pool)
[INFO] [stderr]    Compiling pricer v0.1.0 (/opt/rustwide/workdir/core/pricer)
[INFO] [stderr]    Compiling network v0.1.0 (/opt/rustwide/workdir/core/network)
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> core/network/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 -     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 106 +     fn gas_price(&self) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 -     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 113 +     ) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling collation v0.1.0 (/opt/rustwide/workdir/core/collation)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]   --> core/pricer/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct PriceService {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 58 |     mode: PriceServiceMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pool/src/service.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 137 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout] 137 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout] 43 +     ) -> Box<dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout] 77 +     ) -> Box<dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/pool/src/filter.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn new() -> DummyAddressFilter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/pool/src/queue.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new() -> RequestQueue<R, S> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ethereum` and `network` are never read
[INFO] [stdout]   --> core/pool/src/service.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Service<E, N, F, R, S, V>
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |     ethereum: Arc<Mutex<E>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     network: Arc<Mutex<N>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ethereum v0.1.0 (/opt/rustwide/workdir/core/ethereum)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout] 33 +     future: Box<dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/ethereum/src/client/client.rs:472:25
[INFO] [stdout]     |
[INFO] [stdout] 472 | pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 472 - pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stdout] 472 + pub fn to_0xhex(value: &dyn fmt::LowerHex) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 -     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout] 62 +     ) -> Box<dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `task` is never used
[INFO] [stdout]    --> core/ethereum/src/monitor/poller.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn task(&self) -> &EthereumMonitorTask {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> core/ethereum/src/monitor/service.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 117 -             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stdout] 117 +             None => panic!("watcher {:?} does not exist", watcher_id),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling machine v0.1.0 (/opt/rustwide/workdir/core/machine)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 - type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout] 100 + type InfoFetcher = Box<dyn Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 - type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout] 102 + type GasEstimator = Box<dyn Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:101:26
[INFO] [stdout]     |
[INFO] [stdout] 101 | type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout] 101 + type TxBroadcaster = Box<dyn Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:274:31
[INFO] [stdout]     |
[INFO] [stdout] 274 |         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 274 -         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout] 274 +         type InfoFuture = Box<dyn Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/service.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 279 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout] 279 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `event_sender` is never used
[INFO] [stdout]    --> core/machine/src/machine.rs:394:12
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn event_sender(&self) -> mpsc::UnboundedSender<RelayerEvent> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `change_keypair` is never used
[INFO] [stdout]    --> core/machine/src/machine.rs:399:12
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn change_keypair(&mut self, keypair: KeyPair) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `change_dispatcher` is never used
[INFO] [stdout]    --> core/machine/src/machine.rs:404:12
[INFO] [stdout]     |
[INFO] [stdout] 404 |     pub fn change_dispatcher(&mut self, dispatcher: RequestDispatcher<C>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransactionQueue` is never constructed
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct TransactionQueue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransactionQueueInner` is never constructed
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TransactionQueueInner {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new() -> TransactionQueue {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new() -> TransactionQueueInner {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `current_nonce` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn current_nonce(&self) -> U256 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `push` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn push(&mut self, tx: SignedTransaction) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_by_nonce` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn remove_by_nonce(&mut self, nonce: &U256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_by_hash` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn remove_by_hash(&mut self, hash: &H256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fst-relayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn add_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                         ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn remove_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn add_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fn remove_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |         fn set_interval(&self, u64) -> Result<u64>;
[INFO] [stdout]    |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn is_delegate_enable(&self, Address) -> BoxFuture<bool>;
[INFO] [stdout]    |                                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:30
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:37
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |         fn send_token_transfer_request(&self, types::RelayerRpcRequest) -> BoxFuture<H256>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: types::RelayerRpcRequest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:34:48
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn send_token_transfer_requests(&self, Vec<types::RelayerRpcRequest>) -> BoxFuture<Vec<H256>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<types::RelayerRpcRequest>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as PriceServiceError`
[INFO] [stdout]   --> relayer/src/service/mod.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | use pricer::{Error as PriceServiceError, PriceService, PriceServiceMode};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:417:32
[INFO] [stdout]     |
[INFO] [stdout] 21  | use std::path::PathBuf;
[INFO] [stdout]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 417 |     use std::path::{Component, PathBuf};
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 -     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout] 102 +     exit_handler: Box<dyn Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout] 118 +             let exit_signals: Vec<Box<dyn Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `websocket_config`
[INFO] [stdout]    --> relayer/src/jsonrpc/service.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     websocket_config,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ help: try ignoring the field: `websocket_config: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let mut key_file_content = read_file(keyfile_path)?;
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let (sender, mut receiver) = mpsc::unbounded::<()>();
[INFO] [stdout]     |                          ----^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut token_filter = params.allow_tokens.into_iter().fold(
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_all` is never used
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn new_all() -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_apis` is never used
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn with_apis(apis: HashSet<Api>) -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ethereum_service` is never read
[INFO] [stdout]   --> relayer/src/service/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Service {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 65 |     ethereum_service: Arc<Mutex<EthereumService>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 17s
[INFO] running `Command { std: "docker" "inspect" "43a2d7545b94b14d0b1aa19e4ee2b514caefd07035b1a4e2520075c471ee9455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a2d7545b94b14d0b1aa19e4ee2b514caefd07035b1a4e2520075c471ee9455", kill_on_drop: false }`
[INFO] [stdout] 43a2d7545b94b14d0b1aa19e4ee2b514caefd07035b1a4e2520075c471ee9455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1e4bc3be5426f0081c575480359c739b0169bdf1cd392e4959c43b62d4605ea
[INFO] running `Command { std: "docker" "start" "-a" "e1e4bc3be5426f0081c575480359c739b0169bdf1cd392e4959c43b62d4605ea", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stdout] 21 | |         RequestError(super::RequestError);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout] 26 + pub type AccountStateFuture<Error> = Box<dyn Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 - pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout] 27 + pub type BytesFuture<Error> = Box<dyn Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout] 28 + pub type BoolFuture<Error> = Box<dyn Future<Item = bool, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 - pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout] 29 + pub type U256Future<Error> = Box<dyn Future<Item = U256, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout] 30 + pub type H256Future<Error> = Box<dyn Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout] 32 +     Box<dyn Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 -     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout] 34 +     Box<dyn Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/ethereum.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 -     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout] 36 +     Box<dyn Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stdout] 30 +     pub filter: Option<Box<dyn Fn(&Address) -> bool>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/machine.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout] 48 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pool.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout] 46 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 22 +     fn gas_price(&self) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/traits/src/pricer.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 29 +     ) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain!{
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         EthAbi(ethabi::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pool/src/service.rs:137:14
[INFO] [stdout]     |
[INFO] [stdout] 137 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 137 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout] 137 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout] 43 +     ) -> Box<dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/pool/src/verifier.rs:77:14
[INFO] [stdout]    |
[INFO] [stdout] 77 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout] 77 +     ) -> Box<dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/pool/src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / error_chain! {
[INFO] [stdout] 17 | |     foreign_links {
[INFO] [stdout] 18 | |         Timer(tokio_timer::Error);
[INFO] [stdout] 19 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/pool/src/filter.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn new() -> DummyAddressFilter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/pool/src/queue.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new() -> RequestQueue<R, S> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ethereum` and `network` are never read
[INFO] [stdout]   --> core/pool/src/service.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Service<E, N, F, R, S, V>
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 44 |     ethereum: Arc<Mutex<E>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     network: Arc<Mutex<N>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/collation/src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / error_chain! {
[INFO] [stdout] 46 | |     types {
[INFO] [stdout] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 48 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 -     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 106 +     fn gas_price(&self) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/pricer/src/lib.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 -     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout] 113 +     ) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mode` is never read
[INFO] [stdout]   --> core/pricer/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct PriceService {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 58 |     mode: PriceServiceMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> core/network/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout] 33 +     future: Box<dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/ethereum/src/client/client.rs:472:25
[INFO] [stdout]     |
[INFO] [stdout] 472 | pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 472 - pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stdout] 472 + pub fn to_0xhex(value: &dyn fmt::LowerHex) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/ethereum/src/monitor/poller.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 -     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout] 62 +     ) -> Box<dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain!{
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stdout] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | |     }
[INFO] [stdout] 44 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain!{
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stdout] 21 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / error_chain! {
[INFO] [stdout] 22 | |     foreign_links {
[INFO] [stdout] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stdout] 24 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `task` is never used
[INFO] [stdout]    --> core/ethereum/src/monitor/poller.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn task(&self) -> &EthereumMonitorTask {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> core/ethereum/src/monitor/service.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 117 -             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stdout] 117 +             None => panic!("watcher {:?} does not exist", watcher_id),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:100:24
[INFO] [stdout]     |
[INFO] [stdout] 100 | type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 - type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout] 100 + type InfoFetcher = Box<dyn Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 - type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout] 102 + type GasEstimator = Box<dyn Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:101:26
[INFO] [stdout]     |
[INFO] [stdout] 101 | type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 - type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout] 101 + type TxBroadcaster = Box<dyn Future<Item = H256, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/machine.rs:274:31
[INFO] [stdout]     |
[INFO] [stdout] 274 |         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 274 -         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout] 274 +         type InfoFuture = Box<dyn Future<Item = Info, Error = Error> + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/machine/src/service.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 279 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout] 279 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> core/machine/src/error.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / error_chain! {
[INFO] [stdout] 23 | |     foreign_links {
[INFO] [stdout] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stdout] 25 | |         Collation(CollationError);
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `event_sender` is never used
[INFO] [stdout]    --> core/machine/src/machine.rs:394:12
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn event_sender(&self) -> mpsc::UnboundedSender<RelayerEvent> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `change_keypair` is never used
[INFO] [stdout]    --> core/machine/src/machine.rs:399:12
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn change_keypair(&mut self, keypair: KeyPair) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `change_dispatcher` is never used
[INFO] [stdout]    --> core/machine/src/machine.rs:404:12
[INFO] [stdout]     |
[INFO] [stdout] 404 |     pub fn change_dispatcher(&mut self, dispatcher: RequestDispatcher<C>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransactionQueue` is never constructed
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct TransactionQueue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransactionQueueInner` is never constructed
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TransactionQueueInner {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new() -> TransactionQueue {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new() -> TransactionQueueInner {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `current_nonce` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn current_nonce(&self) -> U256 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `push` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn push(&mut self, tx: SignedTransaction) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_by_nonce` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn remove_by_nonce(&mut self, nonce: &U256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_by_hash` is never used
[INFO] [stdout]   --> core/machine/src/transaction_queue.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn remove_by_hash(&mut self, hash: &H256) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fst-relayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn add_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                         ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/admin.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn remove_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn add_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fn remove_relayer(&self, String) -> Result<bool>;
[INFO] [stdout]    |                                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |         fn set_interval(&self, u64) -> Result<u64>;
[INFO] [stdout]    |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn is_delegate_enable(&self, Address) -> BoxFuture<bool>;
[INFO] [stdout]    |                                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:30
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:37
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stdout]    |                                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:31:47
[INFO] [stdout]    |
[INFO] [stdout] 31 |         fn send_token_transfer_request(&self, types::RelayerRpcRequest) -> BoxFuture<H256>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: types::RelayerRpcRequest`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> relayer/src/jsonrpc/v1/traits/token.rs:34:48
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn send_token_transfer_requests(&self, Vec<types::RelayerRpcRequest>) -> BoxFuture<Vec<H256>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<types::RelayerRpcRequest>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as PriceServiceError`
[INFO] [stdout]   --> relayer/src/service/mod.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | use pricer::{Error as PriceServiceError, PriceService, PriceServiceMode};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:417:32
[INFO] [stdout]     |
[INFO] [stdout] 21  | use std::path::PathBuf;
[INFO] [stdout]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 417 |     use std::path::{Component, PathBuf};
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 102 -     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout] 102 +     exit_handler: Box<dyn Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> relayer/src/service/mod.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 118 -             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout] 118 +             let exit_signals: Vec<Box<dyn Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Json(serde_json::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> relayer/src/service/error.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / error_chain! {
[INFO] [stdout] 19 | |     foreign_links {
[INFO] [stdout] 20 | |         Io(std::io::Error);
[INFO] [stdout] 21 | |         Config(config::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `websocket_config`
[INFO] [stdout]    --> relayer/src/jsonrpc/service.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     websocket_config,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ help: try ignoring the field: `websocket_config: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/config/mod.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 let mut key_file_content = read_file(keyfile_path)?;
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let (sender, mut receiver) = mpsc::unbounded::<()>();
[INFO] [stdout]     |                          ----^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> relayer/src/service/mod.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut token_filter = params.allow_tokens.into_iter().fold(
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_all` is never used
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn new_all() -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_apis` is never used
[INFO] [stdout]   --> relayer/src/rpc_apis.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn with_apis(apis: HashSet<Api>) -> ApiSet {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ethereum_service` is never read
[INFO] [stdout]   --> relayer/src/service/mod.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct Service {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 65 |     ethereum_service: Arc<Mutex<EthereumService>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "e1e4bc3be5426f0081c575480359c739b0169bdf1cd392e4959c43b62d4605ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e4bc3be5426f0081c575480359c739b0169bdf1cd392e4959c43b62d4605ea", kill_on_drop: false }`
[INFO] [stdout] e1e4bc3be5426f0081c575480359c739b0169bdf1cd392e4959c43b62d4605ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76d6a0ed2f74e84190d416a673b292a52334da48f43e1051c8b830bec77c1d25
[INFO] running `Command { std: "docker" "start" "-a" "76d6a0ed2f74e84190d416a673b292a52334da48f43e1051c8b830bec77c1d25", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain! {
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stderr] 21 | |         RequestError(super::RequestError);
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/types/src/relayer_rpc/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain! {
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         EthkeyError(ethkey::Error);
[INFO] [stderr] 21 | |         RequestError(super::RequestError);
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `types` (lib) generated 2 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:26:42
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 - pub type AccountStateFuture<Error> = Box<Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stderr] 26 + pub type AccountStateFuture<Error> = Box<dyn Future<Item = AccountState, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 27 - pub type BytesFuture<Error> = Box<Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stderr] 27 + pub type BytesFuture<Error> = Box<dyn Future<Item = Vec<u8>, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:28:34
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 - pub type BoolFuture<Error> = Box<Future<Item = bool, Error = Error> + Send>;
[INFO] [stderr] 28 + pub type BoolFuture<Error> = Box<dyn Future<Item = bool, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 - pub type U256Future<Error> = Box<Future<Item = U256, Error = Error> + Send>;
[INFO] [stderr] 29 + pub type U256Future<Error> = Box<dyn Future<Item = U256, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 - pub type H256Future<Error> = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stderr] 30 + pub type H256Future<Error> = Box<dyn Future<Item = H256, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 -     Box<Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stderr] 32 +     Box<dyn Future<Item = Option<EthRpcTransaction>, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 34 -     Box<Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stderr] 34 +     Box<dyn Future<Item = Option<EthRpcTransactionReceipt>, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/ethereum.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 36 -     Box<Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stderr] 36 +     Box<dyn Future<Item = EthTransactionConfirmation, Error = Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/pool.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 -     pub filter: Option<Box<Fn(&Address) -> bool>>,
[INFO] [stderr] 30 +     pub filter: Option<Box<dyn Fn(&Address) -> bool>>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/machine.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 48 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stderr] 48 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::Error> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/pool.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 46 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stderr] 46 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send>;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/pricer.rs:22:32
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 -     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr] 22 +     fn gas_price(&self) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/traits/src/pricer.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 -     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr] 29 +     ) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `traits` (lib) generated 13 warnings
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / error_chain!{
[INFO] [stderr] 17 | |     foreign_links {
[INFO] [stderr] 18 | |         EthAbi(ethabi::Error);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     }
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/contract_abi/src/error.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / error_chain!{
[INFO] [stderr] 17 | |     foreign_links {
[INFO] [stderr] 18 | |         EthAbi(ethabi::Error);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     }
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `contract-abi` (lib) generated 2 warnings
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/pool/src/error.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / error_chain! {
[INFO] [stderr] 17 | |     foreign_links {
[INFO] [stderr] 18 | |         Timer(tokio_timer::Error);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |     }
[INFO] [stderr] 53 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/pool/src/service.rs:137:14
[INFO] [stderr]     |
[INFO] [stderr] 137 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 137 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stderr] 137 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::PoolError> + Send> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/pool/src/verifier.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 43 -     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stderr] 43 +     ) -> Box<dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/pool/src/verifier.rs:77:14
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 77 -     ) -> Box<Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stderr] 77 +     ) -> Box<dyn Future<Item = Arc<SignedRequest>, Error = Self::Error> + Send>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/pool/src/error.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / error_chain! {
[INFO] [stderr] 17 | |     foreign_links {
[INFO] [stderr] 18 | |         Timer(tokio_timer::Error);
[INFO] [stderr] 19 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |     }
[INFO] [stderr] 53 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> core/pool/src/filter.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn new() -> DummyAddressFilter {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> core/pool/src/queue.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn new() -> RequestQueue<R, S> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ethereum` and `network` are never read
[INFO] [stderr]   --> core/pool/src/service.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Service<E, N, F, R, S, V>
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 44 |     ethereum: Arc<Mutex<E>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     network: Arc<Mutex<N>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pool` (lib) generated 8 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/pricer/src/lib.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 106 -     fn gas_price(&self) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr] 106 +     fn gas_price(&self) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/pricer/src/lib.rs:113:14
[INFO] [stderr]     |
[INFO] [stderr] 113 |     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 113 -     ) -> Box<Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr] 113 +     ) -> Box<dyn Future<Item = U256, Error = Self::PricerError> + Send> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `mode` is never read
[INFO] [stderr]   --> core/pricer/src/lib.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct PriceService {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 58 |     mode: PriceServiceMode,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pricer` (lib) generated 3 warnings
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> core/network/src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `network` (lib) generated 1 warning
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/collation/src/error.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | / error_chain! {
[INFO] [stderr] 46 | |     types {
[INFO] [stderr] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 48 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |     }
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/collation/src/error.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | / error_chain! {
[INFO] [stderr] 46 | |     types {
[INFO] [stderr] 47 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 48 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |     }
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `collation` (lib) generated 2 warnings
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / error_chain!{
[INFO] [stderr] 22 | |     foreign_links {
[INFO] [stderr] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stderr] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |     }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain!{
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stderr] 21 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / error_chain! {
[INFO] [stderr] 22 | |     foreign_links {
[INFO] [stderr] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stderr] 24 | |         Json(serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     }
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/ethereum/src/monitor/poller.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 -     future: Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stderr] 33 +     future: Box<dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/ethereum/src/client/client.rs:472:25
[INFO] [stderr]     |
[INFO] [stderr] 472 | pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 472 - pub fn to_0xhex(value: &fmt::LowerHex) -> String {
[INFO] [stderr] 472 + pub fn to_0xhex(value: &dyn fmt::LowerHex) -> String {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/ethereum/src/monitor/poller.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 62 -     ) -> Box<Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stderr] 62 +     ) -> Box<dyn Future<Item = Option<EthereumMonitorResponse>, Error = ()> + Send> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/ethereum/src/client/error.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / error_chain!{
[INFO] [stderr] 22 | |     foreign_links {
[INFO] [stderr] 23 | |         ContractAbi(contract_abi::Error);
[INFO] [stderr] 24 | |         FromHex(rustc_hex::FromHexError);
[INFO] [stderr] ...  |
[INFO] [stderr] 43 | |     }
[INFO] [stderr] 44 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/ethereum/src/monitor/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain!{
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         EthereumService(EthereumServiceError);
[INFO] [stderr] 21 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/ethereum/src/service/error.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / error_chain! {
[INFO] [stderr] 22 | |     foreign_links {
[INFO] [stderr] 23 | |         Io(IoError) #[doc = "IO error."];
[INFO] [stderr] 24 | |         Json(serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     }
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `task` is never used
[INFO] [stderr]    --> core/ethereum/src/monitor/poller.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn task(&self) -> &EthereumMonitorTask {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> core/ethereum/src/monitor/service.rs:117:28
[INFO] [stderr]     |
[INFO] [stderr] 117 |             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 117 -             None => panic!(format!("watcher {:?} does not exist", watcher_id)),
[INFO] [stderr] 117 +             None => panic!("watcher {:?} does not exist", watcher_id),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `ethereum` (lib) generated 11 warnings
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> core/machine/src/error.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / error_chain! {
[INFO] [stderr] 23 | |     foreign_links {
[INFO] [stderr] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stderr] 25 | |         Collation(CollationError);
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |     }
[INFO] [stderr] 52 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/machine/src/machine.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 | type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 100 - type InfoFetcher = Box<Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stderr] 100 + type InfoFetcher = Box<dyn Future<Item = Preparation, Error = Error> + Send>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/machine/src/machine.rs:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 | type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 102 - type GasEstimator = Box<Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stderr] 102 + type GasEstimator = Box<dyn Future<Item = ClosedCollation, Error = Error> + Send>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/machine/src/machine.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 | type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 101 - type TxBroadcaster = Box<Future<Item = H256, Error = Error> + Send>;
[INFO] [stderr] 101 + type TxBroadcaster = Box<dyn Future<Item = H256, Error = Error> + Send>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/machine/src/machine.rs:274:31
[INFO] [stderr]     |
[INFO] [stderr] 274 |         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 274 -         type InfoFuture = Box<Future<Item = Info, Error = Error> + Send>;
[INFO] [stderr] 274 +         type InfoFuture = Box<dyn Future<Item = Info, Error = Error> + Send>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/machine/src/service.rs:279:14
[INFO] [stderr]     |
[INFO] [stderr] 279 |     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 279 -     ) -> Box<Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stderr] 279 +     ) -> Box<dyn Future<Item = Arc<Self::SignedRequest>, Error = Self::MachineError> + Send> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> core/machine/src/error.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / error_chain! {
[INFO] [stderr] 23 | |     foreign_links {
[INFO] [stderr] 24 | |         TimerError(tokio_timer::Error);
[INFO] [stderr] 25 | |         Collation(CollationError);
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |     }
[INFO] [stderr] 52 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `event_sender` is never used
[INFO] [stderr]    --> core/machine/src/machine.rs:394:12
[INFO] [stderr]     |
[INFO] [stderr] 394 |     pub fn event_sender(&self) -> mpsc::UnboundedSender<RelayerEvent> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `change_keypair` is never used
[INFO] [stderr]    --> core/machine/src/machine.rs:399:12
[INFO] [stderr]     |
[INFO] [stderr] 399 |     pub fn change_keypair(&mut self, keypair: KeyPair) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `change_dispatcher` is never used
[INFO] [stderr]    --> core/machine/src/machine.rs:404:12
[INFO] [stderr]     |
[INFO] [stderr] 404 |     pub fn change_dispatcher(&mut self, dispatcher: RequestDispatcher<C>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TransactionQueue` is never constructed
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct TransactionQueue {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TransactionQueueInner` is never constructed
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct TransactionQueueInner {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new() -> TransactionQueue {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new() -> TransactionQueueInner {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `current_nonce` is never used
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn current_nonce(&self) -> U256 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `push` is never used
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn push(&mut self, tx: SignedTransaction) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_by_nonce` is never used
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn remove_by_nonce(&mut self, nonce: &U256) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `remove_by_hash` is never used
[INFO] [stderr]   --> core/machine/src/transaction_queue.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn remove_by_hash(&mut self, hash: &H256) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `machine` (lib) generated 18 warnings
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/admin.rs:25:41
[INFO] [stderr]    |
[INFO] [stderr] 25 |         fn add_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stderr]    |                                         ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/admin.rs:28:44
[INFO] [stderr]    |
[INFO] [stderr] 28 |         fn remove_ethereum_endpoint(&self, String) -> Result<bool>;
[INFO] [stderr]    |                                            ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |         fn add_relayer(&self, String) -> Result<bool>;
[INFO] [stderr]    |                               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:26:34
[INFO] [stderr]    |
[INFO] [stderr] 26 |         fn remove_relayer(&self, String) -> Result<bool>;
[INFO] [stderr]    |                                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/relayer.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |         fn set_interval(&self, u64) -> Result<u64>;
[INFO] [stderr]    |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/token.rs:22:38
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fn is_delegate_enable(&self, Address) -> BoxFuture<bool>;
[INFO] [stderr]    |                                      ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stderr]    |                              ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/token.rs:25:39
[INFO] [stderr]    |
[INFO] [stderr] 25 |         fn balance_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stderr]    |                                       ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stderr]    |                            ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/token.rs:28:37
[INFO] [stderr]    |
[INFO] [stderr] 28 |         fn nonce_of(&self, Address, Address) -> BoxFuture<U256>;
[INFO] [stderr]    |                                     ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Address`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/token.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 |         fn send_token_transfer_request(&self, types::RelayerRpcRequest) -> BoxFuture<H256>;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: types::RelayerRpcRequest`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> relayer/src/jsonrpc/v1/traits/token.rs:34:48
[INFO] [stderr]    |
[INFO] [stderr] 34 |         fn send_token_transfer_requests(&self, Vec<types::RelayerRpcRequest>) -> BoxFuture<Vec<H256>>;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<types::RelayerRpcRequest>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error as PriceServiceError`
[INFO] [stderr]   --> relayer/src/service/mod.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 | use pricer::{Error as PriceServiceError, PriceService, PriceServiceMode};
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]    --> relayer/src/service/config/mod.rs:417:32
[INFO] [stderr]     |
[INFO] [stderr] 21  | use std::path::PathBuf;
[INFO] [stderr]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 417 |     use std::path::{Component, PathBuf};
[INFO] [stderr]     |                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain! {
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         Io(std::io::Error);
[INFO] [stderr] 21 | |         Json(serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |     }
[INFO] [stderr] 47 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> relayer/src/service/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain! {
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         Io(std::io::Error);
[INFO] [stderr] 21 | |         Config(config::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> relayer/src/service/mod.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 102 -     exit_handler: Box<Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stderr] 102 +     exit_handler: Box<dyn Future<Item = ExitReason, Error = ()> + Send>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> relayer/src/service/mod.rs:118:39
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 118 -             let exit_signals: Vec<Box<Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stderr] 118 +             let exit_signals: Vec<Box<dyn Future<Item = ExitReason, Error = ()> + Send>> = vec![
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> relayer/src/service/config/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain! {
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         Io(std::io::Error);
[INFO] [stderr] 21 | |         Json(serde_json::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |     }
[INFO] [stderr] 47 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> relayer/src/service/error.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / error_chain! {
[INFO] [stderr] 19 | |     foreign_links {
[INFO] [stderr] 20 | |         Io(std::io::Error);
[INFO] [stderr] 21 | |         Config(config::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `websocket_config`
[INFO] [stderr]    --> relayer/src/jsonrpc/service.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     websocket_config,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: try ignoring the field: `websocket_config: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> relayer/src/service/config/mod.rs:164:21
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 let mut key_file_content = read_file(keyfile_path)?;
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> relayer/src/service/mod.rs:108:26
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let (sender, mut receiver) = mpsc::unbounded::<()>();
[INFO] [stderr]     |                          ----^^^^^^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> relayer/src/service/mod.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let mut token_filter = params.allow_tokens.into_iter().fold(
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_all` is never used
[INFO] [stderr]   --> relayer/src/rpc_apis.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn new_all() -> ApiSet {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `with_apis` is never used
[INFO] [stderr]   --> relayer/src/rpc_apis.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn with_apis(apis: HashSet<Api>) -> ApiSet {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ethereum_service` is never read
[INFO] [stderr]   --> relayer/src/service/mod.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub struct Service {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 65 |     ethereum_service: Arc<Mutex<EthereumService>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fst-relayer` (bin "fst-relayer" test) generated 27 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests relayer/src/main.rs (/opt/rustwide/target/debug/deps/fst_relayer-abfa0df317b194ca)
[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" "76d6a0ed2f74e84190d416a673b292a52334da48f43e1051c8b830bec77c1d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d6a0ed2f74e84190d416a673b292a52334da48f43e1051c8b830bec77c1d25", kill_on_drop: false }`
[INFO] [stdout] 76d6a0ed2f74e84190d416a673b292a52334da48f43e1051c8b830bec77c1d25