[INFO] cloning repository https://github.com/josephleblanc/eth_explo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josephleblanc/eth_explo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephleblanc%2Feth_explo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephleblanc%2Feth_explo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e15f87386050153eebcebcefc1dc0beaaff3c85
[INFO] checking josephleblanc/eth_explo against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephleblanc%2Feth_explo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/josephleblanc/eth_explo
[INFO] finished tweaking git repo https://github.com/josephleblanc/eth_explo
[INFO] tweaked toml for git repo https://github.com/josephleblanc/eth_explo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/josephleblanc/eth_explo on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/josephleblanc/eth_explo 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.23
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c793b87b840c550244043da204eb6d96883d742f07849cf1d10ea00a6b49f6d
[INFO] running `Command { std: "docker" "start" "-a" "6c793b87b840c550244043da204eb6d96883d742f07849cf1d10ea00a6b49f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c793b87b840c550244043da204eb6d96883d742f07849cf1d10ea00a6b49f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c793b87b840c550244043da204eb6d96883d742f07849cf1d10ea00a6b49f6d", kill_on_drop: false }`
[INFO] [stdout] 6c793b87b840c550244043da204eb6d96883d742f07849cf1d10ea00a6b49f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b099c80f08d21fd2bde5d898265286a7a47d6f128ef55b718209d327782d398a
[INFO] running `Command { std: "docker" "start" "-a" "b099c80f08d21fd2bde5d898265286a7a47d6f128ef55b718209d327782d398a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
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[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]     Checking futures-executor v0.3.21
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[INFO] [stderr]     Checking ethbloom v0.11.1
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[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking web3 v0.18.0
[INFO] [stderr]     Checking eth_explo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let mut trader = trader_map.entry(tx.from.unwrap())
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let mut trader = trader_map.entry(tx.from.unwrap())
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.16s
[INFO] running `Command { std: "docker" "inspect" "b099c80f08d21fd2bde5d898265286a7a47d6f128ef55b718209d327782d398a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b099c80f08d21fd2bde5d898265286a7a47d6f128ef55b718209d327782d398a", kill_on_drop: false }`
[INFO] [stdout] b099c80f08d21fd2bde5d898265286a7a47d6f128ef55b718209d327782d398a