[INFO] fetching crate icentral-test-incremental-brandes 0.1.0...
[INFO] testing icentral-test-incremental-brandes-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate icentral-test-incremental-brandes 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate icentral-test-incremental-brandes 0.1.0
[INFO] finished tweaking crates.io crate icentral-test-incremental-brandes 0.1.0
[INFO] tweaked toml for crates.io crate icentral-test-incremental-brandes 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icentral-test-incremental-brandes 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icentral-test-incremental-brandes 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded export-magic v0.3.6
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[INFO] [stderr]   Downloaded icentral-3p v0.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e0b193cc8532f940e2a438b59510205f2e2a974052d3da06d46a5cd1e28883a
[INFO] running `Command { std: "docker" "start" "-a" "0e0b193cc8532f940e2a438b59510205f2e2a974052d3da06d46a5cd1e28883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e0b193cc8532f940e2a438b59510205f2e2a974052d3da06d46a5cd1e28883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0b193cc8532f940e2a438b59510205f2e2a974052d3da06d46a5cd1e28883a", kill_on_drop: false }`
[INFO] [stdout] 0e0b193cc8532f940e2a438b59510205f2e2a974052d3da06d46a5cd1e28883a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03db703a92471aa3b37540de0d1cd4adc780e3f554909356f55bc73ce4a235df
[INFO] running `Command { std: "docker" "start" "-a" "03db703a92471aa3b37540de0d1cd4adc780e3f554909356f55bc73ce4a235df", kill_on_drop: false }`
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[INFO] [stderr]    Compiling icentral-test-incremental-brandes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:28:48
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let rand_edge: Edge = rand_edge_vec[i];;
[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: unnecessary trailing semicolon
[INFO] [stdout]   --> src/test_incremental_brandes.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rand_edge: Edge = rand_edge_vec[i];;
[INFO] [stdout]    |                                                ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |           if let (time_vec2i,cnt_vec2i) 
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 57 | |             = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) 
[INFO] [stdout]    | |_________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if let time_vec2i = time_vec2[i].lock()? {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut tm: Timer = Timer::default();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[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_incremental_brandes_p.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>      = default![];
[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_incremental_brandes_p.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = default![];
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_iter`
[INFO] [stdout]  --> src/test_incremental_brandes_p.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         num_iter:      Option<usize>,
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_iter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tm`
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut tm: Timer = Timer::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_stat_vec`
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     if let graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     if let mut graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |         if let (time_vec2i, cnt_vec2i) = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[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_incremental_brandes.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>    = arcmut![vec![ default![]; 3]];
[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_incremental_brandes.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = arcmut![vec![ default![]; 3]];
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_stat_vec`
[INFO] [stdout]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_incremental_brandes.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         incremental_brandes_experimental(
[INFO] [stdout] 68 | |             graph.clone(), 
[INFO] [stdout] 69 | |             rand_edge.src, 
[INFO] [stdout] 70 | |             rand_edge.dst, 
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |             cnt_vec.clone()
[INFO] [stdout] 74 | |         );
[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] 67 |         let _ = incremental_brandes_experimental(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: icentral-neighbors v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "03db703a92471aa3b37540de0d1cd4adc780e3f554909356f55bc73ce4a235df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03db703a92471aa3b37540de0d1cd4adc780e3f554909356f55bc73ce4a235df", kill_on_drop: false }`
[INFO] [stdout] 03db703a92471aa3b37540de0d1cd4adc780e3f554909356f55bc73ce4a235df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a84c7910044168233879dad03207f617a1ecb8d8dd61a5959c2ef84a90d7e91d
[INFO] running `Command { std: "docker" "start" "-a" "a84c7910044168233879dad03207f617a1ecb8d8dd61a5959c2ef84a90d7e91d", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:28:48
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let rand_edge: Edge = rand_edge_vec[i];;
[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: unnecessary trailing semicolon
[INFO] [stdout]   --> src/test_incremental_brandes.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rand_edge: Edge = rand_edge_vec[i];;
[INFO] [stdout]    |                                                ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |           if let (time_vec2i,cnt_vec2i) 
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 57 | |             = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) 
[INFO] [stdout]    | |_________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if let time_vec2i = time_vec2[i].lock()? {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut tm: Timer = Timer::default();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[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_incremental_brandes_p.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>      = default![];
[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_incremental_brandes_p.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = default![];
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_iter`
[INFO] [stdout]  --> src/test_incremental_brandes_p.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         num_iter:      Option<usize>,
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_iter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tm`
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut tm: Timer = Timer::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_stat_vec`
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     if let graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     if let mut graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |         if let (time_vec2i, cnt_vec2i) = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling icentral-test-incremental-brandes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[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_incremental_brandes.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>    = arcmut![vec![ default![]; 3]];
[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_incremental_brandes.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = arcmut![vec![ default![]; 3]];
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_stat_vec`
[INFO] [stdout]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_incremental_brandes.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         incremental_brandes_experimental(
[INFO] [stdout] 68 | |             graph.clone(), 
[INFO] [stdout] 69 | |             rand_edge.src, 
[INFO] [stdout] 70 | |             rand_edge.dst, 
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |             cnt_vec.clone()
[INFO] [stdout] 74 | |         );
[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] 67 |         let _ = incremental_brandes_experimental(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:28:48
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let rand_edge: Edge = rand_edge_vec[i];;
[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: unnecessary trailing semicolon
[INFO] [stdout]   --> src/test_incremental_brandes.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rand_edge: Edge = rand_edge_vec[i];;
[INFO] [stdout]    |                                                ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     if let graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |           if let (time_vec2i,cnt_vec2i) 
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 57 | |             = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) 
[INFO] [stdout]    | |_________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |         if let time_vec2i = time_vec2[i].lock()? {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut tm: Timer = Timer::default();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[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_incremental_brandes_p.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>      = default![];
[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_incremental_brandes_p.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = default![];
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_iter`
[INFO] [stdout]  --> src/test_incremental_brandes_p.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         num_iter:      Option<usize>,
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_iter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tm`
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut tm: Timer = Timer::default();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_stat_vec`
[INFO] [stdout]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     if let graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     if let mut graph = graph.lock()? {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/test_incremental_brandes.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |         if let (time_vec2i, cnt_vec2i) = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[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_incremental_brandes.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>    = arcmut![vec![ default![]; 3]];
[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_incremental_brandes.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = arcmut![vec![ default![]; 3]];
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_stat_vec`
[INFO] [stdout]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/test_incremental_brandes.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | /         incremental_brandes_experimental(
[INFO] [stdout] 68 | |             graph.clone(), 
[INFO] [stdout] 69 | |             rand_edge.src, 
[INFO] [stdout] 70 | |             rand_edge.dst, 
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |             cnt_vec.clone()
[INFO] [stdout] 74 | |         );
[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] 67 |         let _ = incremental_brandes_experimental(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: icentral-neighbors v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a84c7910044168233879dad03207f617a1ecb8d8dd61a5959c2ef84a90d7e91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84c7910044168233879dad03207f617a1ecb8d8dd61a5959c2ef84a90d7e91d", kill_on_drop: false }`
[INFO] [stdout] a84c7910044168233879dad03207f617a1ecb8d8dd61a5959c2ef84a90d7e91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0756694ec86e82eb6663440808b4d31380a5da687a70f38f32c7a30daf7a4b68
[INFO] running `Command { std: "docker" "start" "-a" "0756694ec86e82eb6663440808b4d31380a5da687a70f38f32c7a30daf7a4b68", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:28:48
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let rand_edge: Edge = rand_edge_vec[i];;
[INFO] [stderr]    |                                                ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/test_incremental_brandes.rs:62:48
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let rand_edge: Edge = rand_edge_vec[i];;
[INFO] [stderr]    |                                                ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     if let graph = graph.lock()? {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |           if let (time_vec2i,cnt_vec2i) 
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 57 | |             = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) 
[INFO] [stderr]    | |_________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let time_vec2i = time_vec2[i].lock()? {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut tm: Timer = Timer::default();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>      = default![];
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = default![];
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_iter`
[INFO] [stderr]  --> src/test_incremental_brandes_p.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         num_iter:      Option<usize>,
[INFO] [stderr]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_iter`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tm`
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut tm: Timer = Timer::default();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_stat_vec`
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/test_incremental_brandes.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     if let graph = graph.lock()? {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/test_incremental_brandes.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     if let mut graph = graph.lock()? {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> src/test_incremental_brandes.rs:86:12
[INFO] [stderr]    |
[INFO] [stderr] 86 |         if let (time_vec2i, cnt_vec2i) = (time_vec2[i].lock()?, cnt_vec2[i].lock()?) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_incremental_brandes.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut cnt_vec:  Arc<Mutex<Vec<usize>>>    = arcmut![vec![ default![]; 3]];
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test_incremental_brandes.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut time_vec: Arc<Mutex<Vec<Duration>>> = arcmut![vec![ default![]; 3]];
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_stat_vec`
[INFO] [stderr]   --> src/test_incremental_brandes.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut edge_stat_vec: Vec<EdgeStat> = vec![];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_stat_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/test_incremental_brandes.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         incremental_brandes_experimental(
[INFO] [stderr] 68 | |             graph.clone(), 
[INFO] [stderr] 69 | |             rand_edge.src, 
[INFO] [stderr] 70 | |             rand_edge.dst, 
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |             cnt_vec.clone()
[INFO] [stderr] 74 | |         );
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let _ = incremental_brandes_experimental(
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `icentral-test-incremental-brandes` (lib) generated 20 warnings (run `cargo fix --lib -p icentral-test-incremental-brandes` to apply 11 suggestions)
[INFO] [stderr] warning: `icentral-test-incremental-brandes` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: icentral-neighbors v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/icentral_test_incremental_brandes-beb99cc9796d46e1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests icentral_test_incremental_brandes
[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] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/test_incremental_brandes_p.rs:28:48
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let rand_edge: Edge = rand_edge_vec[i];;
[INFO] [stderr]    |                                                ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/test_incremental_brandes.rs:62:48
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let rand_edge: Edge = rand_edge_vec[i];;
[INFO] [stderr]    |                                                ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "0756694ec86e82eb6663440808b4d31380a5da687a70f38f32c7a30daf7a4b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0756694ec86e82eb6663440808b4d31380a5da687a70f38f32c7a30daf7a4b68", kill_on_drop: false }`
[INFO] [stdout] 0756694ec86e82eb6663440808b4d31380a5da687a70f38f32c7a30daf7a4b68
