[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] fixing oberien/factorio-cluster-finder against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberien%2Ffactorio-cluster-finder" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oberien/factorio-cluster-finder on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oberien/factorio-cluster-finder 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded peg v0.5.7
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3
[INFO] running `Command { std: "docker" "start" "9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3", 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" "9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling factorio-cluster-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EdgeIndex` and `GraphIndex`
[INFO] [stdout]   --> src/graphviz/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     GraphIndex,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     NodeIndex,
[INFO] [stdout] 15 |     EdgeIndex,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EdgeIndex` and `GraphIndex`
[INFO] [stdout]   --> src/graphviz/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     GraphIndex,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     NodeIndex,
[INFO] [stdout] 15 |     EdgeIndex,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EdgeIndex` is never used
[INFO] [stdout]   --> src/graphviz/graph.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type EdgeIndex = graph::EdgeIndex<GraphIndex>;
[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 function `new` is never used
[INFO] [stdout]   --> src/graphviz/graph.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 36 |     /// Creates a new node with given id and attributes.
[INFO] [stdout] 37 |     pub fn new(id: String, attributes: HashMap<String, String>) -> Node {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `strict`, `id`, `graph_attributes`, `node_attributes`, and `edge_attributes` are never read
[INFO] [stdout]   --> src/graphviz/graph.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct DotGraph {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 75 |     /// Specifies if this graph is strict.
[INFO] [stdout] 76 |     pub strict: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub id: Option<String>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 81 |     /// Global `graph` attributes
[INFO] [stdout] 82 |     pub graph_attributes: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 83 |     /// Global `node` attributes
[INFO] [stdout] 84 |     pub node_attributes: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 85 |     /// Global `edge` attributes
[INFO] [stdout] 86 |     pub edge_attributes: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DotGraph` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `label_map` and `write` are never used
[INFO] [stdout]    --> src/graphviz/graph.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl DotGraph {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn write<W: Write>(&self, writer: &mut W) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `nodes` and `edges` are never used
[INFO] [stdout]   --> src/graphviz/builder.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DotGraphBuilder {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn nodes(mut self, nodes: Vec<Node>) -> DotGraphBuilder {
[INFO] [stdout]    |            ^^^^^
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let _ = env_logger::init();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graphviz/graph.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<'_, HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graphviz/graph.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn id_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn id_map(&self) -> Ref<'_, HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EdgeIndex` is never used
[INFO] [stdout]   --> src/graphviz/graph.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type EdgeIndex = graph::EdgeIndex<GraphIndex>;
[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 function `new` is never used
[INFO] [stdout]   --> src/graphviz/graph.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 36 |     /// Creates a new node with given id and attributes.
[INFO] [stdout] 37 |     pub fn new(id: String, attributes: HashMap<String, String>) -> Node {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `strict`, `id`, `graph_attributes`, `node_attributes`, and `edge_attributes` are never read
[INFO] [stdout]   --> src/graphviz/graph.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct DotGraph {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 75 |     /// Specifies if this graph is strict.
[INFO] [stdout] 76 |     pub strict: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub id: Option<String>,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 81 |     /// Global `graph` attributes
[INFO] [stdout] 82 |     pub graph_attributes: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 83 |     /// Global `node` attributes
[INFO] [stdout] 84 |     pub node_attributes: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 85 |     /// Global `edge` attributes
[INFO] [stdout] 86 |     pub edge_attributes: HashMap<String, String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DotGraph` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `label_map` and `write` are never used
[INFO] [stdout]    --> src/graphviz/graph.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl DotGraph {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn write<W: Write>(&self, writer: &mut W) -> Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `nodes` and `edges` are never used
[INFO] [stdout]   --> src/graphviz/builder.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DotGraphBuilder {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn nodes(mut self, nodes: Vec<Node>) -> DotGraphBuilder {
[INFO] [stdout]    |            ^^^^^
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let _ = env_logger::init();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graphviz/graph.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn label_map(&self) -> Ref<'_, HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graphviz/graph.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn id_map(&self) -> Ref<HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn id_map(&self) -> Ref<'_, HashMap<String, NodeIndex>> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.51s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3", kill_on_drop: false }`
[INFO] [stdout] 9c6cb48b92bee8f28ac7c1a259fac57a03b006e2efb846df178df98bd6d468b3
