[INFO] fetching crate netview 0.4.0...
[INFO] testing netview-0.4.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate netview 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate netview 0.4.0
[INFO] finished tweaking crates.io crate netview 0.4.0
[INFO] tweaked toml for crates.io crate netview 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate netview 0.4.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate netview 0.4.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ffefa32d3b654ba69b9cc1976f7bc66f08adfef7020e55a8d3f33856e3d03fd
[INFO] running `Command { std: "docker" "start" "-a" "5ffefa32d3b654ba69b9cc1976f7bc66f08adfef7020e55a8d3f33856e3d03fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ffefa32d3b654ba69b9cc1976f7bc66f08adfef7020e55a8d3f33856e3d03fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ffefa32d3b654ba69b9cc1976f7bc66f08adfef7020e55a8d3f33856e3d03fd", kill_on_drop: false }`
[INFO] [stdout] 5ffefa32d3b654ba69b9cc1976f7bc66f08adfef7020e55a8d3f33856e3d03fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cab8111e16809efd0afb5de315c9659b700ceb64cc1bce79999449525108454
[INFO] running `Command { std: "docker" "start" "-a" "4cab8111e16809efd0afb5de315c9659b700ceb64cc1bce79999449525108454", kill_on_drop: false }`
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[INFO] [stderr] Compiling niffler v2.5.0
[INFO] [stderr] Compiling csv v1.3.0
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[INFO] [stderr] Compiling netview v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout] --> src/netview.rs:17:27
[INFO] [stdout] |
[INFO] [stdout] 17 | fn label_nodes(&self, labels: Vec