[INFO] cloning repository https://github.com/harisbal/tarust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harisbal/tarust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharisbal%2Ftarust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharisbal%2Ftarust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6eb881b5cfc879ce4f700b9790b79fa70bd10f5
[INFO] testing harisbal/tarust against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharisbal%2Ftarust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/harisbal/tarust
[INFO] finished tweaking git repo https://github.com/harisbal/tarust
[INFO] tweaked toml for git repo https://github.com/harisbal/tarust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/harisbal/tarust on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/harisbal/tarust 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cec2c3fc46c05372d8eb5bb4072ad42e14871b0890fa151f740d9c0ca86fa791
[INFO] running `Command { std: "docker" "start" "-a" "cec2c3fc46c05372d8eb5bb4072ad42e14871b0890fa151f740d9c0ca86fa791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec2c3fc46c05372d8eb5bb4072ad42e14871b0890fa151f740d9c0ca86fa791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec2c3fc46c05372d8eb5bb4072ad42e14871b0890fa151f740d9c0ca86fa791", kill_on_drop: false }`
[INFO] [stdout] cec2c3fc46c05372d8eb5bb4072ad42e14871b0890fa151f740d9c0ca86fa791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac4bc5bd2d42920703e675b73e5176fc9952c745c6eda64aef1ed906ef2bc734
[INFO] running `Command { std: "docker" "start" "-a" "ac4bc5bd2d42920703e675b73e5176fc9952c745c6eda64aef1ed906ef2bc734", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling petgraph v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling tarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]    --> src/main.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     for edge in graph.edge_references() {}
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct EdgeData {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 26 |     init_node: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 27 |     term_node: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     capacity: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     length: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     free_flow_time: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 32 |     power: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     volume: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EdgeData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_cost` and `derivative_bpr` are never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl EdgeData {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 37 |     fn update_cost(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn derivative_bpr(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CsvOdObserved` is never constructed
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct CsvOdObserved {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `edges` and `volume` are never read
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Path {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 61 |     nodes: Vec<NodeIndex>,
[INFO] [stdout] 62 |     edges: Vec<EdgeIndex>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 63 |     cost: f64,
[INFO] [stdout] 64 |     volume: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_or_nothing_assignment` is never used
[INFO] [stdout]    --> src/main.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn all_or_nothing_assignment(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_edge_flows` is never used
[INFO] [stdout]    --> src/main.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn update_edge_flows(graph: &mut Graph<u32, EdgeData>, edges: &[EdgeIndex], flow: f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shift_volume` is never used
[INFO] [stdout]    --> src/main.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn shift_volume(graph: &mut Graph<u32, EdgeData>, spath: &mut Path, npath: &mut Path) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_flows` is never used
[INFO] [stdout]    --> src/main.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn compare_flows(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.35s
[INFO] running `Command { std: "docker" "inspect" "ac4bc5bd2d42920703e675b73e5176fc9952c745c6eda64aef1ed906ef2bc734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4bc5bd2d42920703e675b73e5176fc9952c745c6eda64aef1ed906ef2bc734", kill_on_drop: false }`
[INFO] [stdout] ac4bc5bd2d42920703e675b73e5176fc9952c745c6eda64aef1ed906ef2bc734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6625b2acfd62532a195d5b43c173a608c29b0a8625c448595fe4cee203859c21
[INFO] running `Command { std: "docker" "start" "-a" "6625b2acfd62532a195d5b43c173a608c29b0a8625c448595fe4cee203859c21", kill_on_drop: false }`
[INFO] [stderr]    Compiling tarust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]    --> src/main.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     for edge in graph.edge_references() {}
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct EdgeData {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 26 |     init_node: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 27 |     term_node: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     capacity: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     length: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     free_flow_time: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 32 |     power: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     volume: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EdgeData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_cost` and `derivative_bpr` are never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl EdgeData {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 37 |     fn update_cost(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn derivative_bpr(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CsvOdObserved` is never constructed
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct CsvOdObserved {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `edges` and `volume` are never read
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Path {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 61 |     nodes: Vec<NodeIndex>,
[INFO] [stdout] 62 |     edges: Vec<EdgeIndex>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 63 |     cost: f64,
[INFO] [stdout] 64 |     volume: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_or_nothing_assignment` is never used
[INFO] [stdout]    --> src/main.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn all_or_nothing_assignment(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_edge_flows` is never used
[INFO] [stdout]    --> src/main.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn update_edge_flows(graph: &mut Graph<u32, EdgeData>, edges: &[EdgeIndex], flow: f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shift_volume` is never used
[INFO] [stdout]    --> src/main.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn shift_volume(graph: &mut Graph<u32, EdgeData>, spath: &mut Path, npath: &mut Path) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_flows` is never used
[INFO] [stdout]    --> src/main.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn compare_flows(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6625b2acfd62532a195d5b43c173a608c29b0a8625c448595fe4cee203859c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6625b2acfd62532a195d5b43c173a608c29b0a8625c448595fe4cee203859c21", kill_on_drop: false }`
[INFO] [stdout] 6625b2acfd62532a195d5b43c173a608c29b0a8625c448595fe4cee203859c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ce076de260eb43e3bde5a8685cff9b3e83762f2dc66ab308aca658144d42174
[INFO] running `Command { std: "docker" "start" "-a" "3ce076de260eb43e3bde5a8685cff9b3e83762f2dc66ab308aca658144d42174", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `edge`
[INFO] [stderr]    --> src/main.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |     for edge in graph.edge_references() {}
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct EdgeData {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 26 |     init_node: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 27 |     term_node: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 28 |     capacity: f64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 29 |     length: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 30 |     free_flow_time: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 31 |     b: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 32 |     power: f64,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 33 |     volume: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `EdgeData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `update_cost` and `derivative_bpr` are never used
[INFO] [stderr]   --> src/main.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl EdgeData {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 37 |     fn update_cost(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     fn derivative_bpr(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CsvOdObserved` is never constructed
[INFO] [stderr]   --> src/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct CsvOdObserved {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `edges` and `volume` are never read
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct Path {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 61 |     nodes: Vec<NodeIndex>,
[INFO] [stderr] 62 |     edges: Vec<EdgeIndex>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 63 |     cost: f64,
[INFO] [stderr] 64 |     volume: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `all_or_nothing_assignment` is never used
[INFO] [stderr]    --> src/main.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn all_or_nothing_assignment(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `update_edge_flows` is never used
[INFO] [stderr]    --> src/main.rs:221:4
[INFO] [stderr]     |
[INFO] [stderr] 221 | fn update_edge_flows(graph: &mut Graph<u32, EdgeData>, edges: &[EdgeIndex], flow: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `shift_volume` is never used
[INFO] [stderr]    --> src/main.rs:261:4
[INFO] [stderr]     |
[INFO] [stderr] 261 | fn shift_volume(graph: &mut Graph<u32, EdgeData>, spath: &mut Path, npath: &mut Path) {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compare_flows` is never used
[INFO] [stderr]    --> src/main.rs:331:4
[INFO] [stderr]     |
[INFO] [stderr] 331 | fn compare_flows(
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tarust` (bin "tarust" test) generated 9 warnings (run `cargo fix --bin "tarust" -p tarust --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tarust-d982f920e5a35a2c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ce076de260eb43e3bde5a8685cff9b3e83762f2dc66ab308aca658144d42174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce076de260eb43e3bde5a8685cff9b3e83762f2dc66ab308aca658144d42174", kill_on_drop: false }`
[INFO] [stdout] 3ce076de260eb43e3bde5a8685cff9b3e83762f2dc66ab308aca658144d42174
