[INFO] fetching crate icentral-test-qube 0.1.0...
[INFO] checking icentral-test-qube-0.1.0 against master#40557f6225e337d68c8d4f086557ce54135f5dd9 for pr-158447
[INFO] extracting crate icentral-test-qube 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate icentral-test-qube 0.1.0
[INFO] finished tweaking crates.io crate icentral-test-qube 0.1.0
[INFO] tweaked toml for crates.io crate icentral-test-qube 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icentral-test-qube 0.1.0 on toolchain 40557f6225e337d68c8d4f086557ce54135f5dd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icentral-test-qube 0.1.0 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" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912
[INFO] running `Command { std: "docker" "start" "0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912", 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" "0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912" "/opt/rustwide/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912" "/opt/rustwide/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking icentral-cycle v0.1.0
[INFO] [stderr]     Checking icentral-graph-interface v0.1.0
[INFO] [stderr]     Checking icentral-parents-map v0.1.0
[INFO] [stderr]     Checking icentral-scores v0.1.0
[INFO] [stderr]     Checking icentral-mucid-map v0.1.0
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[INFO] [stderr]     Checking icentral-scratch v0.1.0
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[INFO] [stderr]     Checking icentral-test-qube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `icentral_graph_hash::*`
[INFO] [stdout]   --> src/imports.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) use icentral_graph_hash::*;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut ideal_speedup: f64 = f64::default();;
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `icentral_graph_hash::*`
[INFO] [stdout]   --> src/imports.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) use icentral_graph_hash::*;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut ideal_speedup: f64 = f64::default();;
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_edges_to_insert`
[INFO] [stdout]  --> src/test_qube_insertion.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     num_edges_to_insert: u32) 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_edges_to_insert`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_qube_insertion.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut scores = brandes_betweenness_centrality(graph)?;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores`
[INFO] [stdout]    --> src/test_qube_insertion.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut scores = brandes_betweenness_centrality(graph)?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/test_qube_insertion.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     for i in 0..num_edges_to_insert {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `brandes_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:135:29
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let mut brandes_time  = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 148 |     brandes_time = tm.interval();
[INFO] [stdout]     |     ---------------------------- `brandes_time` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `muc_find_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut muc_find_time = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 160 |     muc_find_time = tm.interval();
[INFO] [stdout]     |     ----------------------------- `muc_find_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:177:35
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let mut src:     NodeId = NodeId::default();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 182 |             src = nodeid![rng.generate::<usize>() % graph.num_nodes()];
[INFO] [stdout]     |             ---------------------------------------------------------- `src` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dst` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:178:35
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut dst:     NodeId = NodeId::default();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 183 |             dst = nodeid![rng.generate::<usize>() % graph.num_nodes()];
[INFO] [stdout]     |             ---------------------------------------------------------- `dst` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_edge_vec`
[INFO] [stdout]   --> src/test_qube_p.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     rand_edge_vec: &Vec<Edge>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_edge_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores`
[INFO] [stdout]    --> src/test_qube_p.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let scores: BetweennessScores 
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `muc_find_time` is never read
[INFO] [stdout]    --> src/test_qube_p.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut muc_find_time = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 141 |     muc_find_time = tm.interval();
[INFO] [stdout]     |     ----------------------------- `muc_find_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_edges_to_insert`
[INFO] [stdout]   --> src/test_qube_insertion_hash.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     num_edges_to_insert:  usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_edges_to_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ideal_speedup` is never read
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut ideal_speedup: f64 = f64::default();;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 111 |     ideal_speedup = ((v + e) / (vm + em)) * (v / vm);
[INFO] [stdout]     |     ------------------------------------------------ `ideal_speedup` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut g = GH::new_from_graph_ref(&*graph, "insertion_test_qube_hash::graph_hash");
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut scores: BetweennessScores = brandes_bc_hash_out(
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut g = GH::new_from_graph_ref(&*graph, "insertion_test_qube_hash::graph_hash");
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores`
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut scores: BetweennessScores = brandes_bc_hash_out(
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `brandes_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:214:28
[INFO] [stdout]     |
[INFO] [stdout] 214 |       let mut brandes_time = Duration::from_secs(0);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 231 | /     brandes_time = match max_iter {
[INFO] [stdout] 232 | |         Some(max_iter) => {
[INFO] [stdout] 233 | |             let t0 = tm.interval() / max_iter as u32;
[INFO] [stdout] 234 | |             t0 * graph.num_nodes() as u32
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     };
[INFO] [stdout]     | |_____- `brandes_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `muc_find_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:216:29
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut muc_find_time = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 256 |     muc_find_time = tm.interval();
[INFO] [stdout]     |     ----------------------------- `muc_find_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_edges_to_insert`
[INFO] [stdout]  --> src/test_qube_insertion.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     num_edges_to_insert: u32) 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_edges_to_insert`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_insertion.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     graph.muc_mut(muc_id).compute_bc(&mut scores, None);
[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] 69 |     let _ = graph.muc_mut(muc_id).compute_bc(&mut scores, None);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_p.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout] 47 | |         &mut scores, 
[INFO] [stdout] 48 | |         num_iter
[INFO] [stdout] 49 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/test_qube_p.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 | /         exp_qube_p_step(
[INFO] [stdout] 160 | |             &mut tot_speedup,
[INFO] [stdout] 161 | |             &mut tot_time,
[INFO] [stdout] 162 | |             &mut speedup_vec,
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |             &mut edge_stat_vec
[INFO] [stdout] 169 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = exp_qube_p_step(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_insertion_hash.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout] 68 | |             &mut scores, 
[INFO] [stdout] 69 | |             max_iter
[INFO] [stdout] 70 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_insertion_hash.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | /         graph.muc_mut(muc_id).compute_bc_inc(
[INFO] [stdout] 75 | |             &mut scores, 
[INFO] [stdout] 76 | |             rand_edge.src, 
[INFO] [stdout] 77 | |             rand_edge.dst, 
[INFO] [stdout] 78 | |             None
[INFO] [stdout] 79 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = graph.muc_mut(muc_id).compute_bc_inc(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_qube_insertion.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut scores = brandes_betweenness_centrality(graph)?;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores`
[INFO] [stdout]    --> src/test_qube_insertion.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut scores = brandes_betweenness_centrality(graph)?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/test_qube_insertion.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     for i in 0..num_edges_to_insert {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `brandes_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:135:29
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let mut brandes_time  = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 148 |     brandes_time = tm.interval();
[INFO] [stdout]     |     ---------------------------- `brandes_time` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `muc_find_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut muc_find_time = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 160 |     muc_find_time = tm.interval();
[INFO] [stdout]     |     ----------------------------- `muc_find_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:177:35
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let mut src:     NodeId = NodeId::default();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 182 |             src = nodeid![rng.generate::<usize>() % graph.num_nodes()];
[INFO] [stdout]     |             ---------------------------------------------------------- `src` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dst` is never read
[INFO] [stdout]    --> src/test_qube_insertion.rs:178:35
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut dst:     NodeId = NodeId::default();
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 183 |             dst = nodeid![rng.generate::<usize>() % graph.num_nodes()];
[INFO] [stdout]     |             ---------------------------------------------------------- `dst` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 | /         insertion_test_qube_hash_step(
[INFO] [stdout] 288 | |             &brandes_time,
[INFO] [stdout] 289 | |             &mut tot_speedup,
[INFO] [stdout] 290 | |             &mut tot_ideal_speedup,
[INFO] [stdout] ...   |
[INFO] [stdout] 297 | |             &mut edge_stat_vec
[INFO] [stdout] 298 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let _ = insertion_test_qube_hash_step(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_edge_vec`
[INFO] [stdout]   --> src/test_qube_p.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     rand_edge_vec: &Vec<Edge>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_edge_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores`
[INFO] [stdout]    --> src/test_qube_p.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let scores: BetweennessScores 
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `muc_find_time` is never read
[INFO] [stdout]    --> src/test_qube_p.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut muc_find_time = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 141 |     muc_find_time = tm.interval();
[INFO] [stdout]     |     ----------------------------- `muc_find_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_edges_to_insert`
[INFO] [stdout]   --> src/test_qube_insertion_hash.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     num_edges_to_insert:  usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_edges_to_insert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ideal_speedup` is never read
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut ideal_speedup: f64 = f64::default();;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 111 |     ideal_speedup = ((v + e) / (vm + em)) * (v / vm);
[INFO] [stdout]     |     ------------------------------------------------ `ideal_speedup` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut g = GH::new_from_graph_ref(&*graph, "insertion_test_qube_hash::graph_hash");
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut scores: BetweennessScores = brandes_bc_hash_out(
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let mut g = GH::new_from_graph_ref(&*graph, "insertion_test_qube_hash::graph_hash");
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores`
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut scores: BetweennessScores = brandes_bc_hash_out(
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `brandes_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:214:28
[INFO] [stdout]     |
[INFO] [stdout] 214 |       let mut brandes_time = Duration::from_secs(0);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 231 | /     brandes_time = match max_iter {
[INFO] [stdout] 232 | |         Some(max_iter) => {
[INFO] [stdout] 233 | |             let t0 = tm.interval() / max_iter as u32;
[INFO] [stdout] 234 | |             t0 * graph.num_nodes() as u32
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |     };
[INFO] [stdout]     | |_____- `brandes_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `muc_find_time` is never read
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:216:29
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut muc_find_time = Duration::from_secs(0);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 256 |     muc_find_time = tm.interval();
[INFO] [stdout]     |     ----------------------------- `muc_find_time` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_insertion.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     graph.muc_mut(muc_id).compute_bc(&mut scores, None);
[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] 69 |     let _ = graph.muc_mut(muc_id).compute_bc(&mut scores, None);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_p.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | /     graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout] 47 | |         &mut scores, 
[INFO] [stdout] 48 | |         num_iter
[INFO] [stdout] 49 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/test_qube_p.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 | /         exp_qube_p_step(
[INFO] [stdout] 160 | |             &mut tot_speedup,
[INFO] [stdout] 161 | |             &mut tot_time,
[INFO] [stdout] 162 | |             &mut speedup_vec,
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |             &mut edge_stat_vec
[INFO] [stdout] 169 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = exp_qube_p_step(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_insertion_hash.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout] 68 | |             &mut scores, 
[INFO] [stdout] 69 | |             max_iter
[INFO] [stdout] 70 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = graph.muc_mut(muc_id).compute_bc(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_qube_insertion_hash.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | /         graph.muc_mut(muc_id).compute_bc_inc(
[INFO] [stdout] 75 | |             &mut scores, 
[INFO] [stdout] 76 | |             rand_edge.src, 
[INFO] [stdout] 77 | |             rand_edge.dst, 
[INFO] [stdout] 78 | |             None
[INFO] [stdout] 79 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = graph.muc_mut(muc_id).compute_bc_inc(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/test_qube_insertion_hash.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 | /         insertion_test_qube_hash_step(
[INFO] [stdout] 288 | |             &brandes_time,
[INFO] [stdout] 289 | |             &mut tot_speedup,
[INFO] [stdout] 290 | |             &mut tot_ideal_speedup,
[INFO] [stdout] ...   |
[INFO] [stdout] 297 | |             &mut edge_stat_vec
[INFO] [stdout] 298 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let _ = insertion_test_qube_hash_step(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.77s
[INFO] running `Command { std: "docker" "inspect" "0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912", kill_on_drop: false }`
[INFO] [stdout] 0fdb94f298eab9a2a4eff53dfa8764275669b89405e52f6860e73020af022912
