[INFO] cloning repository https://github.com/b-r-a-n/wc_predictor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b-r-a-n/wc_predictor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-r-a-n%2Fwc_predictor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-r-a-n%2Fwc_predictor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fa810aebb42b43e0cc45f7932d22ca909c827bb
[INFO] checking b-r-a-n/wc_predictor against master#656ccbe796ff98def9b555c118e1620c5389e3b2 for pr-133502-24
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-r-a-n%2Fwc_predictor" "/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/b-r-a-n/wc_predictor
[INFO] finished tweaking git repo https://github.com/b-r-a-n/wc_predictor
[INFO] tweaked toml for git repo https://github.com/b-r-a-n/wc_predictor written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/b-r-a-n/wc_predictor on toolchain 656ccbe796ff98def9b555c118e1620c5389e3b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/b-r-a-n/wc_predictor 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" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deprecate-until v0.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6
[INFO] running `Command { std: "docker" "start" "4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6" "/opt/rustwide/cargo-home/bin/cargo" "+656ccbe796ff98def9b555c118e1620c5389e3b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `teams`
[INFO] [stdout]    --> crates/wc-core/src/tiebreaker.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let teams = [TeamId(0), TeamId(1)];
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_teams`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.86s
[INFO] running `Command { std: "docker" "inspect" "4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6", kill_on_drop: false }`
[INFO] [stdout] 4b06472aec028463b56b466e32fc47705930f047ff777cb2fe59e168a03f6de6
