[INFO] cloning repository https://github.com/WFBFA/Flight-Paths
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WFBFA/Flight-Paths" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWFBFA%2FFlight-Paths", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWFBFA%2FFlight-Paths'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92fbe4a11999f8a41fe7229919f4fc5bdeccf56e
[INFO] testing WFBFA/Flight-Paths against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWFBFA%2FFlight-Paths" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WFBFA/Flight-Paths on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WFBFA/Flight-Paths
[INFO] finished tweaking git repo https://github.com/WFBFA/Flight-Paths
[INFO] tweaked toml for git repo https://github.com/WFBFA/Flight-Paths written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/WFBFA/Flight-Paths already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded robust v0.2.3
[INFO] [stderr]   Downloaded heapless v0.6.1
[INFO] [stderr]   Downloaded rstar v0.8.3
[INFO] [stderr]   Downloaded geo v0.18.0
[INFO] [stderr]   Downloaded geographiclib-rs v0.2.0
[INFO] [stderr]   Downloaded try_all v0.0.2
[INFO] [stderr]   Downloaded priority-queue v1.1.1
[INFO] [stderr]   Downloaded geo-types v0.7.2
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded geojson v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6826dbadfeed47ef83b93433b479175807093059cb8574d3b3253527fb189b38
[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" "6826dbadfeed47ef83b93433b479175807093059cb8574d3b3253527fb189b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6826dbadfeed47ef83b93433b479175807093059cb8574d3b3253527fb189b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6826dbadfeed47ef83b93433b479175807093059cb8574d3b3253527fb189b38", kill_on_drop: false }`
[INFO] [stdout] 6826dbadfeed47ef83b93433b479175807093059cb8574d3b3253527fb189b38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1729c0a33c508dabdc483291df6780e2fbe2e03f49482725c1b9943054903ebb
[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" "1729c0a33c508dabdc483291df6780e2fbe2e03f49482725c1b9943054903ebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling robust v0.2.3
[INFO] [stderr]    Compiling try_all v0.0.2
[INFO] [stderr]    Compiling priority-queue v1.1.1
[INFO] [stderr]    Compiling geographiclib-rs v0.2.0
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling rstar v0.8.3
[INFO] [stderr]    Compiling geo-types v0.7.2
[INFO] [stderr]    Compiling geo v0.18.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling geojson v0.22.2
[INFO] [stderr]    Compiling wfbfa-solver-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/data.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryFrom`
[INFO] [stdout]  --> src/plow.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{collections::HashSet, convert::TryFrom};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GeometryCollection`
[INFO] [stdout]  --> src/gj.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use geo::{GeometryCollection, intersects::Intersects};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]   --> src/gj.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::HashSet, convert::{TryFrom, TryInto}};
[INFO] [stdout]    |                                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost_improv_all`
[INFO] [stdout]    --> src/plow.rs:216:10
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let (cost_improv_all, cost_improv_max, costs_improv) = (cost_improv_all, cost_improv_max, costs_improv);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cost_improv_all`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `locate`
[INFO] [stdout]   --> src/data.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn locate(&self, l: &Location) -> Option<NodeId> {
[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/graph.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn new(nodes: HashMap<NId, N>, edges: IndexMap<NId, HashSet<E>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/graph.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_edge_empty`
[INFO] [stdout]    --> src/graph.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn is_edge_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retain_nodes`
[INFO] [stdout]    --> src/graph.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn retain_nodes(&mut self, f: impl Fn(NId) -> bool){
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.95s
[INFO] running `Command { std: "docker" "inspect" "1729c0a33c508dabdc483291df6780e2fbe2e03f49482725c1b9943054903ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1729c0a33c508dabdc483291df6780e2fbe2e03f49482725c1b9943054903ebb", kill_on_drop: false }`
[INFO] [stdout] 1729c0a33c508dabdc483291df6780e2fbe2e03f49482725c1b9943054903ebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7653b9a6706f9775e10b5466d4f75a8e9a72f6a11253617eb07817f520a1887
[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" "f7653b9a6706f9775e10b5466d4f75a8e9a72f6a11253617eb07817f520a1887", kill_on_drop: false }`
[INFO] [stderr]    Compiling wfbfa-solver-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/data.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryFrom`
[INFO] [stdout]  --> src/plow.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{collections::HashSet, convert::TryFrom};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GeometryCollection`
[INFO] [stdout]  --> src/gj.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use geo::{GeometryCollection, intersects::Intersects};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]   --> src/gj.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::HashSet, convert::{TryFrom, TryInto}};
[INFO] [stdout]    |                                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost_improv_all`
[INFO] [stdout]    --> src/plow.rs:216:10
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let (cost_improv_all, cost_improv_max, costs_improv) = (cost_improv_all, cost_improv_max, costs_improv);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cost_improv_all`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `locate`
[INFO] [stdout]   --> src/data.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn locate(&self, l: &Location) -> Option<NodeId> {
[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/graph.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn new(nodes: HashMap<NId, N>, edges: IndexMap<NId, HashSet<E>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/graph.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_edge_empty`
[INFO] [stdout]    --> src/graph.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn is_edge_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retain_nodes`
[INFO] [stdout]    --> src/graph.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn retain_nodes(&mut self, f: impl Fn(NId) -> bool){
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "f7653b9a6706f9775e10b5466d4f75a8e9a72f6a11253617eb07817f520a1887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7653b9a6706f9775e10b5466d4f75a8e9a72f6a11253617eb07817f520a1887", kill_on_drop: false }`
[INFO] [stdout] f7653b9a6706f9775e10b5466d4f75a8e9a72f6a11253617eb07817f520a1887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80d3b39f9fc710cd5510fe47dd6cb419674ed571c590500e5a884444f4d68a32
[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" "80d3b39f9fc710cd5510fe47dd6cb419674ed571c590500e5a884444f4d68a32", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/data.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]  --> src/plow.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{collections::HashSet, convert::TryFrom};
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GeometryCollection`
[INFO] [stderr]  --> src/gj.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use geo::{GeometryCollection, intersects::Intersects};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryFrom`
[INFO] [stderr]   --> src/gj.rs:10:43
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::{collections::HashSet, convert::{TryFrom, TryInto}};
[INFO] [stderr]    |                                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cost_improv_all`
[INFO] [stderr]    --> src/plow.rs:216:10
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let (cost_improv_all, cost_improv_max, costs_improv) = (cost_improv_all, cost_improv_max, costs_improv);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cost_improv_all`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `locate`
[INFO] [stderr]   --> src/data.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn locate(&self, l: &Location) -> Option<NodeId> {
[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/graph.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn new(nodes: HashMap<NId, N>, edges: IndexMap<NId, HashSet<E>>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]    --> src/graph.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_edge_empty`
[INFO] [stderr]    --> src/graph.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn is_edge_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `retain_nodes`
[INFO] [stderr]    --> src/graph.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn retain_nodes(&mut self, f: impl Fn(NId) -> bool){
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wfbfa-solver-cli` (bin "wfbfa-solver-cli" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wfbfa_solver_cli-f02e1b3f47e2ffde)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test graph::test::test_sccs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80d3b39f9fc710cd5510fe47dd6cb419674ed571c590500e5a884444f4d68a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d3b39f9fc710cd5510fe47dd6cb419674ed571c590500e5a884444f4d68a32", kill_on_drop: false }`
[INFO] [stdout] 80d3b39f9fc710cd5510fe47dd6cb419674ed571c590500e5a884444f4d68a32