[INFO] cloning repository https://github.com/oberien/factorio-cluster-finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oberien/factorio-cluster-finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Ffactorio-cluster-finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Ffactorio-cluster-finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d6d999424c2e10471e8f34560b45454404104a9
[INFO] testing oberien/factorio-cluster-finder against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Ffactorio-cluster-finder" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/factorio-cluster-finder on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oberien/factorio-cluster-finder
[INFO] finished tweaking git repo https://github.com/oberien/factorio-cluster-finder
[INFO] tweaked toml for git repo https://github.com/oberien/factorio-cluster-finder written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/oberien/factorio-cluster-finder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5026e95700e469b02605d8cc128f135a49cded6b13653cfccad64a4874d166e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5026e95700e469b02605d8cc128f135a49cded6b13653cfccad64a4874d166e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5026e95700e469b02605d8cc128f135a49cded6b13653cfccad64a4874d166e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5026e95700e469b02605d8cc128f135a49cded6b13653cfccad64a4874d166e3", kill_on_drop: false }`
[INFO] [stdout] 5026e95700e469b02605d8cc128f135a49cded6b13653cfccad64a4874d166e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d920affc35330f0d014ecee32b98ed8214b4a47c95a26daa11c60c10b335eb8
[INFO] running `Command { std: "docker" "start" "-a" "1d920affc35330f0d014ecee32b98ed8214b4a47c95a26daa11c60c10b335eb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling factorio-cluster-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/main.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `EdgeIndex`
[INFO] [stdout]   --> src/graphviz/graph.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type EdgeIndex = graph::EdgeIndex<GraphIndex>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graphviz/graph.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn new(id: String, attributes: HashMap<String, String>) -> Node {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `label_map`
[INFO] [stdout]    --> src/graphviz/graph.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]    --> src/graphviz/graph.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn write<W: Write>(&self, writer: &mut W) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nodes`
[INFO] [stdout]   --> src/graphviz/builder.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn nodes(mut self, nodes: Vec<Node>) -> DotGraphBuilder {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edges`
[INFO] [stdout]   --> src/graphviz/builder.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn edges(mut self, edges: Vec<(Edge, NodeIndex, NodeIndex)>) -> DotGraphBuilder {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     env_logger::init();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.23s
[INFO] running `Command { std: "docker" "inspect" "1d920affc35330f0d014ecee32b98ed8214b4a47c95a26daa11c60c10b335eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d920affc35330f0d014ecee32b98ed8214b4a47c95a26daa11c60c10b335eb8", kill_on_drop: false }`
[INFO] [stdout] 1d920affc35330f0d014ecee32b98ed8214b4a47c95a26daa11c60c10b335eb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3e3475b4819557e1604c241246f1ddd7cd3212c8f02771c893a0ccbe5449472
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3e3475b4819557e1604c241246f1ddd7cd3212c8f02771c893a0ccbe5449472", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorio-cluster-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/main.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `EdgeIndex`
[INFO] [stdout]   --> src/graphviz/graph.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type EdgeIndex = graph::EdgeIndex<GraphIndex>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graphviz/graph.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn new(id: String, attributes: HashMap<String, String>) -> Node {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `label_map`
[INFO] [stdout]    --> src/graphviz/graph.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]    --> src/graphviz/graph.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn write<W: Write>(&self, writer: &mut W) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nodes`
[INFO] [stdout]   --> src/graphviz/builder.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn nodes(mut self, nodes: Vec<Node>) -> DotGraphBuilder {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edges`
[INFO] [stdout]   --> src/graphviz/builder.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn edges(mut self, edges: Vec<(Edge, NodeIndex, NodeIndex)>) -> DotGraphBuilder {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     env_logger::init();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "e3e3475b4819557e1604c241246f1ddd7cd3212c8f02771c893a0ccbe5449472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e3475b4819557e1604c241246f1ddd7cd3212c8f02771c893a0ccbe5449472", kill_on_drop: false }`
[INFO] [stdout] e3e3475b4819557e1604c241246f1ddd7cd3212c8f02771c893a0ccbe5449472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c72c07a7f88c0238d6f2efeac0a6e6a21cca7a75ecda4ca82343adafa7418fd
[INFO] running `Command { std: "docker" "start" "-a" "1c72c07a7f88c0238d6f2efeac0a6e6a21cca7a75ecda4ca82343adafa7418fd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/main.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `EdgeIndex`
[INFO] [stderr]   --> src/graphviz/graph.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type EdgeIndex = graph::EdgeIndex<GraphIndex>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/graphviz/graph.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new(id: String, attributes: HashMap<String, String>) -> Node {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `label_map`
[INFO] [stderr]    --> src/graphviz/graph.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn label_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]    --> src/graphviz/graph.rs:160:12
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn write<W: Write>(&self, writer: &mut W) -> Result<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nodes`
[INFO] [stderr]   --> src/graphviz/builder.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn nodes(mut self, nodes: Vec<Node>) -> DotGraphBuilder {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `edges`
[INFO] [stderr]   --> src/graphviz/builder.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn edges(mut self, edges: Vec<(Edge, NodeIndex, NodeIndex)>) -> DotGraphBuilder {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     env_logger::init();
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/factorio_cluster_finder-359245238aac9288)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test graphviz::dot::test_escaped ... ok
[INFO] [stdout] test graphviz::dot::test_double_quoted_string ... ok
[INFO] [stdout] test graphviz::dot::test_double_quoted_inner ... ok
[INFO] [stdout] test graphviz::dot::test_id ... ok
[INFO] [stdout] test graphviz::dot::test_double_quoted_inner2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c72c07a7f88c0238d6f2efeac0a6e6a21cca7a75ecda4ca82343adafa7418fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c72c07a7f88c0238d6f2efeac0a6e6a21cca7a75ecda4ca82343adafa7418fd", kill_on_drop: false }`
[INFO] [stdout] 1c72c07a7f88c0238d6f2efeac0a6e6a21cca7a75ecda4ca82343adafa7418fd