[INFO] fetching crate icentral-scratch 0.1.0...
[INFO] checking icentral-scratch-0.1.0 against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147995
[INFO] extracting crate icentral-scratch 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate icentral-scratch 0.1.0
[INFO] finished tweaking crates.io crate icentral-scratch 0.1.0
[INFO] tweaked toml for crates.io crate icentral-scratch 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icentral-scratch 0.1.0 on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icentral-scratch 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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6118222e2d63b4121bf208ad9381ae51321c85bc007f651f6c692f046d957096
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[INFO] [stdout] 78264172aec7455070929c763821395585c0d756871c09af554147bf00db8b35
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scratch.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         mut scores: &mut BetweennessScores,
[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/scratch.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         mut scores: &mut BetweennessScores) 
[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/scratch.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut stack: Stack<NodeId> = default!();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/scratch.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BiconnectedComponentsScratch<GH> {
[INFO] [stdout]    |            ---------------------------- field in this struct
[INFO] [stdout] 18 |     name:                   String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/scratch.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     delegate_to_graphhash!{bcc_subgraph}
[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] 86 |     let _ = delegate_to_graphhash!{bcc_subgraph}
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/scratch.rs:137:21
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     self.bc_iter(node, scores);
[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] 137 |                     let _ = self.bc_iter(node, scores);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/scratch.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     self.bc_iter(node, scores);
[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] 145 |                     let _ = self.bc_iter(node, scores);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scratch.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         mut scores: &mut BetweennessScores,
[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/scratch.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         mut scores: &mut BetweennessScores) 
[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/scratch.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut stack: Stack<NodeId> = default!();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/scratch.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BiconnectedComponentsScratch<GH> {
[INFO] [stdout]    |            ---------------------------- field in this struct
[INFO] [stdout] 18 |     name:                   String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/scratch.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     delegate_to_graphhash!{bcc_subgraph}
[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] 86 |     let _ = delegate_to_graphhash!{bcc_subgraph}
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/scratch.rs:137:21
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     self.bc_iter(node, scores);
[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] 137 |                     let _ = self.bc_iter(node, scores);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/scratch.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     self.bc_iter(node, scores);
[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] 145 |                     let _ = self.bc_iter(node, scores);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "78264172aec7455070929c763821395585c0d756871c09af554147bf00db8b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78264172aec7455070929c763821395585c0d756871c09af554147bf00db8b35", kill_on_drop: false }`
[INFO] [stdout] 78264172aec7455070929c763821395585c0d756871c09af554147bf00db8b35
