[INFO] cloning repository https://github.com/oberien/factorio-cluster-finder
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Ffactorio-cluster-finder'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d6d999424c2e10471e8f34560b45454404104a9
[INFO] testing oberien/factorio-cluster-finder against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Ffactorio-cluster-finder" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oberien/factorio-cluster-finder on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9cbf9ba8863b352876456abd6c3eed1942860fbd879cd82d1ee77299690e25c
[INFO] running `"docker" "start" "-a" "a9cbf9ba8863b352876456abd6c3eed1942860fbd879cd82d1ee77299690e25c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling thread_local v0.3.6
[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 aho-corasick v0.6.10
[INFO] [stderr]    Compiling factorio-cluster-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.4.3
[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 dev [unoptimized + debuginfo] target(s) in 26.09s
[INFO] running `"docker" "inspect" "a9cbf9ba8863b352876456abd6c3eed1942860fbd879cd82d1ee77299690e25c"`
[INFO] running `"docker" "rm" "-f" "a9cbf9ba8863b352876456abd6c3eed1942860fbd879cd82d1ee77299690e25c"`
[INFO] [stdout] a9cbf9ba8863b352876456abd6c3eed1942860fbd879cd82d1ee77299690e25c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b7eb7539473dbf22fb38c058b514683fa354cd71191c881cde78d49bd756159
[INFO] running `"docker" "start" "-a" "5b7eb7539473dbf22fb38c058b514683fa354cd71191c881cde78d49bd756159"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling factorio-cluster-finder v0.1.0 (/opt/rustwide/workdir)
[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 2.20s
[INFO] running `"docker" "inspect" "5b7eb7539473dbf22fb38c058b514683fa354cd71191c881cde78d49bd756159"`
[INFO] running `"docker" "rm" "-f" "5b7eb7539473dbf22fb38c058b514683fa354cd71191c881cde78d49bd756159"`
[INFO] [stdout] 5b7eb7539473dbf22fb38c058b514683fa354cd71191c881cde78d49bd756159
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68c5396440e44ba21f942348bd61a0c1cb4a5a435dbf93d3c468c1ec78cf859a
[INFO] running `"docker" "start" "-a" "68c5396440e44ba21f942348bd61a0c1cb4a5a435dbf93d3c468c1ec78cf859a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factorio_cluster_finder-01c0b49f99cada42
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test graphviz::dot::test_double_quoted_inner ... ok
[INFO] [stdout] test graphviz::dot::test_double_quoted_string ... ok
[INFO] [stdout] test graphviz::dot::test_id ... 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 `"docker" "inspect" "68c5396440e44ba21f942348bd61a0c1cb4a5a435dbf93d3c468c1ec78cf859a"`
[INFO] running `"docker" "rm" "-f" "68c5396440e44ba21f942348bd61a0c1cb4a5a435dbf93d3c468c1ec78cf859a"`
[INFO] [stdout] 68c5396440e44ba21f942348bd61a0c1cb4a5a435dbf93d3c468c1ec78cf859a