[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d6d999424c2e10471e8f34560b45454404104a9
[INFO] testing oberien/factorio-cluster-finder against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Ffactorio-cluster-finder" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/factorio-cluster-finder on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc59dd9109be7028d426e7633801b99c172970a6206bde8838d0bf8dd6a8323
[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" "bdc59dd9109be7028d426e7633801b99c172970a6206bde8838d0bf8dd6a8323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc59dd9109be7028d426e7633801b99c172970a6206bde8838d0bf8dd6a8323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc59dd9109be7028d426e7633801b99c172970a6206bde8838d0bf8dd6a8323", kill_on_drop: false }`
[INFO] [stdout] bdc59dd9109be7028d426e7633801b99c172970a6206bde8838d0bf8dd6a8323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838ab0027e99b155ce276fd52f0bfab0d2ef7adf112a5c3ae3946cd9b56607ba
[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" "838ab0027e99b155ce276fd52f0bfab0d2ef7adf112a5c3ae3946cd9b56607ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling factorio-cluster-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v0.2.11
[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 `std::result::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 25.12s
[INFO] running `Command { std: "docker" "inspect" "838ab0027e99b155ce276fd52f0bfab0d2ef7adf112a5c3ae3946cd9b56607ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838ab0027e99b155ce276fd52f0bfab0d2ef7adf112a5c3ae3946cd9b56607ba", kill_on_drop: false }`
[INFO] [stdout] 838ab0027e99b155ce276fd52f0bfab0d2ef7adf112a5c3ae3946cd9b56607ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5249cabf52497f5fb45f8913f43391acfe13ee35fa3503a566e9aa46b14fa2
[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" "ab5249cabf52497f5fb45f8913f43391acfe13ee35fa3503a566e9aa46b14fa2", 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 `std::result::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 1.94s
[INFO] running `Command { std: "docker" "inspect" "ab5249cabf52497f5fb45f8913f43391acfe13ee35fa3503a566e9aa46b14fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5249cabf52497f5fb45f8913f43391acfe13ee35fa3503a566e9aa46b14fa2", kill_on_drop: false }`
[INFO] [stdout] ab5249cabf52497f5fb45f8913f43391acfe13ee35fa3503a566e9aa46b14fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 2a2c740b2503199481e8ef172297d8962c8b7634246027a79b1aaf6c5fcf5f15
[INFO] running `Command { std: "docker" "start" "-a" "2a2c740b2503199481e8ef172297d8962c8b7634246027a79b1aaf6c5fcf5f15", 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 `std::result::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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factorio_cluster_finder-17b4479a372013ad
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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_string ... ok
[INFO] [stdout] test graphviz::dot::test_escaped ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a2c740b2503199481e8ef172297d8962c8b7634246027a79b1aaf6c5fcf5f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2c740b2503199481e8ef172297d8962c8b7634246027a79b1aaf6c5fcf5f15", kill_on_drop: false }`
[INFO] [stdout] 2a2c740b2503199481e8ef172297d8962c8b7634246027a79b1aaf6c5fcf5f15