[INFO] fetching crate devrig 0.30.2...
[INFO] checking devrig-0.30.2 against master#65407954098ca3c19f0d46092cb374b5d3e9dc3c for pr-157841
[INFO] extracting crate devrig 0.30.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate devrig 0.30.2
[INFO] finished tweaking crates.io crate devrig 0.30.2
[INFO] tweaked toml for crates.io crate devrig 0.30.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate devrig 0.30.2 on toolchain 65407954098ca3c19f0d46092cb374b5d3e9dc3c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate devrig 0.30.2 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" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "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 quoted_printable v0.5.2
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[INFO] [stderr]   Downloaded include-flate-codegen v0.3.1
[INFO] [stderr]   Downloaded bollard-stubs v1.52.1-rc.29.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d
[INFO] running `Command { std: "docker" "start" "a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d", 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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d", 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" "a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: function `make_metric` is never used
[INFO] [stdout]    --> src/otel/storage.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn make_metric(service: &str, name: &str, value: f64) -> StoredMetric {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d", kill_on_drop: false }`
[INFO] [stdout] a3986ec6d84691209d206739ee580cfe65d9b550eb448f46e1d86978c4df531d
