[INFO] fetching crate netview 0.4.0...
[INFO] checking netview-0.4.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate netview 0.4.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate netview 0.4.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded niffler v2.5.0
[INFO] [stderr]   Downloaded tabled_derive v0.2.0
[INFO] [stderr]   Downloaded ansi-str v0.1.1
[INFO] [stderr]   Downloaded ansi-parser v0.8.0
[INFO] [stderr]   Downloaded bgzip v0.2.2
[INFO] [stderr]   Downloaded papergrid v0.2.1
[INFO] [stderr]   Downloaded dwrote v0.11.1
[INFO] [stderr]   Downloaded redox_syscall v0.5.5
[INFO] [stderr]   Downloaded needletail v0.5.1
[INFO] [stderr]   Downloaded tabled v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18745b8068a5d1adf8d4e7920083d8b4f7caa8272c99792e9e85d85435f758e6
[INFO] running `Command { std: "docker" "start" "-a" "18745b8068a5d1adf8d4e7920083d8b4f7caa8272c99792e9e85d85435f758e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18745b8068a5d1adf8d4e7920083d8b4f7caa8272c99792e9e85d85435f758e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18745b8068a5d1adf8d4e7920083d8b4f7caa8272c99792e9e85d85435f758e6", kill_on_drop: false }`
[INFO] [stdout] 18745b8068a5d1adf8d4e7920083d8b4f7caa8272c99792e9e85d85435f758e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9fab43fc7eb1fb9a6f4389149eb218b82c8b8f3cdf525b50221bd64484b43c7
[INFO] running `Command { std: "docker" "start" "-a" "b9fab43fc7eb1fb9a6f4389149eb218b82c8b8f3cdf525b50221bd64484b43c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling pkg-config v0.3.31
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
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[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling heapless v0.5.6
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[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling clap_derive v4.5.18
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[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking 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<Option<String>>) -> Result<(), NetviewError> {
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/netview.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn label_nodes(&self, labels: Vec<Option<String>>) -> Result<(), NetviewError> {
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup_test_graph` is never used
[INFO] [stdout]    --> src/mknn.rs:702:8
[INFO] [stdout]     |
[INFO] [stdout] 702 |     fn setup_test_graph() -> Graph<&'static str, i32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b9fab43fc7eb1fb9a6f4389149eb218b82c8b8f3cdf525b50221bd64484b43c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fab43fc7eb1fb9a6f4389149eb218b82c8b8f3cdf525b50221bd64484b43c7", kill_on_drop: false }`
[INFO] [stdout] b9fab43fc7eb1fb9a6f4389149eb218b82c8b8f3cdf525b50221bd64484b43c7