[INFO] cloning repository https://github.com/Web3Funs/risc0-relayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Web3Funs/risc0-relayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeb3Funs%2Frisc0-relayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeb3Funs%2Frisc0-relayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6d808faf37ab511de3c3c75ab2ed87a6a82ab46
[INFO] checking Web3Funs/risc0-relayer against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeb3Funs%2Frisc0-relayer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Web3Funs/risc0-relayer
[INFO] finished tweaking git repo https://github.com/Web3Funs/risc0-relayer
[INFO] tweaked toml for git repo https://github.com/Web3Funs/risc0-relayer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Web3Funs/risc0-relayer on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Web3Funs/risc0-relayer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded fixed-hash v0.6.1
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded ethereum-private-key-to-address v0.1.0
[INFO] [stderr]   Downloaded ethabi-next v12.0.1
[INFO] [stderr]   Downloaded ethabi v18.0.0
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded secp256k1 v0.27.0
[INFO] [stderr]   Downloaded tokio v1.23.0
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded http_req v0.10.1
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded hyper-rustls v0.21.0
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded secp256k1 v0.21.3
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.2
[INFO] [stderr]   Downloaded h2 v0.3.15
[INFO] [stderr]   Downloaded parity-scale-codec v3.6.5
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.33
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded ethbloom v0.9.2
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded secp256k1 v0.25.0
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded primitive-types v0.7.3
[INFO] [stderr]   Downloaded ethers-core v0.1.3
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded jsonrpc-server-utils v18.0.0
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded keccak v0.1.4
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded serde_derive v1.0.192
[INFO] [stderr]   Downloaded serde v1.0.192
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded tracing-core v0.1.30
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded ethers-providers v0.1.3
[INFO] [stderr]   Downloaded ethers-signers v0.1.3
[INFO] [stderr]   Downloaded jsonrpc-http-server v18.0.0
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.6.5
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded errno v0.3.6
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded impl-rlp v0.3.0
[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded impl-serde v0.3.2
[INFO] [stderr]   Downloaded ethereum-types v0.9.2
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded ryu v1.0.12
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded soketto v0.7.1
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded web3 v0.19.0
[INFO] [stderr]   Downloaded web3-async-native-tls v0.4.0
[INFO] [stderr]   Downloaded libsecp256k1 v0.3.5
[INFO] [stderr]   Downloaded secp256k1-sys v0.7.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 190290048cd595ee90624cbf768f8ac9efc7dd93186372e51d9a4cd87e31d36a
[INFO] running `Command { std: "docker" "start" "-a" "190290048cd595ee90624cbf768f8ac9efc7dd93186372e51d9a4cd87e31d36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "190290048cd595ee90624cbf768f8ac9efc7dd93186372e51d9a4cd87e31d36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190290048cd595ee90624cbf768f8ac9efc7dd93186372e51d9a4cd87e31d36a", kill_on_drop: false }`
[INFO] [stdout] 190290048cd595ee90624cbf768f8ac9efc7dd93186372e51d9a4cd87e31d36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdc0689209a01931da20345f52351fd3d7a79eababcf910c1f65d15900c09cc7
[INFO] running `Command { std: "docker" "start" "-a" "bdc0689209a01931da20345f52351fd3d7a79eababcf910c1f65d15900c09cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking ipnet v2.7.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling secp256k1-sys v0.7.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking secp256k1 v0.25.0
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking soketto v0.7.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking ethereum-private-key-to-address v0.1.0
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.11
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking web3-async-native-tls v0.4.0
[INFO] [stderr]     Checking secp256k1 v0.21.3
[INFO] [stderr]     Checking http_req v0.10.1
[INFO] [stderr]     Checking h2 v0.3.15
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking impl-serde v0.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking ethbloom v0.13.0
[INFO] [stderr]     Checking primitive-types v0.12.2
[INFO] [stderr]     Checking jsonrpc-core v18.0.0
[INFO] [stderr]     Checking ethereum-types v0.14.1
[INFO] [stderr]     Checking jsonrpc-server-utils v18.0.0
[INFO] [stderr]     Checking ethabi v18.0.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper v0.14.23
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking ethabi-next v12.0.1
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking ethers-core v0.1.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking jsonrpc-http-server v18.0.0
[INFO] [stderr]     Checking reqwest v0.11.13
[INFO] [stderr]     Checking ethers-providers v0.1.3
[INFO] [stderr]     Checking web3 v0.19.0
[INFO] [stderr]     Checking ethers-signers v0.1.3
[INFO] [stderr]     Checking risc0-relayer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]   --> src/chain.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `web3::ethabi::Function::constant`: The constant attribute was removed in Solidity 0.5.0 and has been replaced with stateMutability.
[INFO] [stdout]    --> src/chain.rs:731:9
[INFO] [stdout]     |
[INFO] [stdout] 731 |         constant: Some(false),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]   --> src/chain.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end_num` is never read
[INFO] [stdout]    --> src/chain.rs:815:27
[INFO] [stdout]     |
[INFO] [stdout] 815 |         let mut end_num = start_num;
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `web3::ethabi::Function::constant`: The constant attribute was removed in Solidity 0.5.0 and has been replaced with stateMutability.
[INFO] [stdout]    --> src/chain.rs:731:9
[INFO] [stdout]     |
[INFO] [stdout] 731 |         constant: Some(false),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end_num` is never read
[INFO] [stdout]    --> src/chain.rs:815:27
[INFO] [stdout]     |
[INFO] [stdout] 815 |         let mut end_num = start_num;
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.45
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "bdc0689209a01931da20345f52351fd3d7a79eababcf910c1f65d15900c09cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc0689209a01931da20345f52351fd3d7a79eababcf910c1f65d15900c09cc7", kill_on_drop: false }`
[INFO] [stdout] bdc0689209a01931da20345f52351fd3d7a79eababcf910c1f65d15900c09cc7
