[INFO] updating cached repository https://github.com/MaxfieldWalker/blindsearch
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 87a9d48254268a753735c842c5ac569d1eb2a72c
[INFO] checking MaxfieldWalker/blindsearch against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxfieldWalker%2Fblindsearch" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaxfieldWalker/blindsearch on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MaxfieldWalker/blindsearch
[INFO] finished tweaking git repo https://github.com/MaxfieldWalker/blindsearch
[INFO] tweaked toml for git repo https://github.com/MaxfieldWalker/blindsearch written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/MaxfieldWalker/blindsearch already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2bff9d209262d9f8b6b29e7b77efe58e999cbb4cdeb51fc9dcdcf9c0f5067efd
[INFO] running `"docker" "start" "-a" "2bff9d209262d9f8b6b29e7b77efe58e999cbb4cdeb51fc9dcdcf9c0f5067efd"`
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking blindsearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `stringify`
[INFO] [stderr]   --> src/tree.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn stringify(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner_stringify`
[INFO] [stderr]   --> src/tree.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn inner_stringify(&self, depth: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `blind_search_dfs`
[INFO] [stderr]  --> src/dfs.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn blind_search_dfs(root_node: &Node, goals: &Vec<String>) -> BlindSearchResult {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dig`
[INFO] [stderr]   --> src/dfs.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn dig(l1: &mut Vec<Node>,
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/tree.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(value: String) -> Node {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_child`
[INFO] [stderr]   --> src/tree.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn add_child(&self, child_node: &Node) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stringify`
[INFO] [stderr]   --> src/tree.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn stringify(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner_stringify`
[INFO] [stderr]   --> src/tree.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn inner_stringify(&self, depth: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_node`
[INFO] [stderr]   --> src/tree.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn find_node(&self, value: &str) -> Option<(Node, u32)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner_find_node`
[INFO] [stderr]   --> src/tree.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn inner_find_node(&self, value: &str, current_depth: u32) -> Option<(Node, u32)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `children`
[INFO] [stderr]   --> src/tree.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn children(&self) -> Vec<Node> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/tree.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn name(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_child_node`
[INFO] [stderr]    --> src/tree.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn has_child_node(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ref_clone`
[INFO] [stderr]    --> src/tree.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn ref_clone(&self) -> Node {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/blindsearch.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(status: String, result: SearchResult) -> BlindSearchStatus {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Found`
[INFO] [stderr]   --> src/blindsearch.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Found,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotFound`
[INFO] [stderr]   --> src/blindsearch.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     NotFound,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `capture`
[INFO] [stderr]   --> src/core.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn capture<'a>(s: &'a String) -> regex::Captures<'a> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_line`
[INFO] [stderr]   --> src/core.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn parse_line<'a>(line: &'a String) -> (String, Vec<(bool, String)>) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_tree`
[INFO] [stderr]   --> src/core.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn build_tree(line: String, root_node: &Node, goals: &mut Vec<String>) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_tree_from_input`
[INFO] [stderr]   --> src/core.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn build_tree_from_input(input_path: &str) -> Node {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `blind_search_bfs`
[INFO] [stderr]  --> src/bfs.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn blind_search_bfs(root_node: &Node, goals: &Vec<String>) -> BlindSearchResult {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dig`
[INFO] [stderr]   --> src/bfs.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn dig(l1: &mut Vec<Node>,
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `blind_search_iddfs`
[INFO] [stderr]  --> src/iddfs.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn blind_search_iddfs(root_node: &Node,
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dig`
[INFO] [stderr]   --> src/iddfs.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn dig(l1: &mut Vec<Node>,
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `"docker" "inspect" "2bff9d209262d9f8b6b29e7b77efe58e999cbb4cdeb51fc9dcdcf9c0f5067efd"`
[INFO] running `"docker" "rm" "-f" "2bff9d209262d9f8b6b29e7b77efe58e999cbb4cdeb51fc9dcdcf9c0f5067efd"`
[INFO] [stdout] 2bff9d209262d9f8b6b29e7b77efe58e999cbb4cdeb51fc9dcdcf9c0f5067efd