[INFO] cloning repository https://github.com/colobrodo/webgraph-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colobrodo/webgraph-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolobrodo%2Fwebgraph-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolobrodo%2Fwebgraph-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa65cb5a7983fe251483863fa565ef6b3cb0781a
[INFO] checking colobrodo/webgraph-tools against master#65407954098ca3c19f0d46092cb374b5d3e9dc3c for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolobrodo%2Fwebgraph-tools" "/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/colobrodo/webgraph-tools
[INFO] finished tweaking git repo https://github.com/colobrodo/webgraph-tools
[INFO] tweaked toml for git repo https://github.com/colobrodo/webgraph-tools written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/colobrodo/webgraph-tools 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 git repo https://github.com/colobrodo/webgraph-tools 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]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/JMMackenzie/enhanced-graph-bisection`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967
[INFO] running `Command { std: "docker" "start" "dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967", 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" "dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967", 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" "dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling rgb v0.1.0 (https://github.com/JMMackenzie/enhanced-graph-bisection#490205b2)
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[INFO] [stderr]     Checking webgraph-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BinGraph` is never constructed
[INFO] [stdout]   --> src/to/bin.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct BinGraph {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `add_list`, `new`, `from_file`, and `write` are never used
[INFO] [stdout]    --> src/to/bin.rs:40:8
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl BinGraph {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  40 |     fn add_list(&mut self, node_index: usize, successors: impl IntoIterator<Item = usize>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  47 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     fn from_file(path: impl AsRef<Path>) -> anyhow::Result<Self> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn write(&self, path: PathBuf) -> anyhow::Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinGraph` is never constructed
[INFO] [stdout]   --> src/to/bin.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct BinGraph {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `add_list`, `new`, `from_file`, and `write` are never used
[INFO] [stdout]    --> src/to/bin.rs:40:8
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl BinGraph {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  40 |     fn add_list(&mut self, node_index: usize, successors: impl IntoIterator<Item = usize>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  47 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     fn from_file(path: impl AsRef<Path>) -> anyhow::Result<Self> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn write(&self, path: PathBuf) -> anyhow::Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967", kill_on_drop: false }`
[INFO] [stdout] dc6f75592520205877a19282f5bd511506d48da0407e33d5f02dc12947b3f967
