[INFO] fetching crate rosella 0.5.7...
[INFO] checking rosella-0.5.7 against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] extracting crate rosella 0.5.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rosella 0.5.7
[INFO] finished tweaking crates.io crate rosella 0.5.7
[INFO] tweaked toml for crates.io crate rosella 0.5.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rosella 0.5.7 on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rosella 0.5.7 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: Cargo.toml: `panic` setting is ignored for `test` profile
[INFO] [stderr] warning: `rosella` (manifest) generated 2 warnings
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05
[INFO] running `Command { std: "docker" "start" "50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05", 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" "50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05", 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" "50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: Cargo.toml: `panic` setting is ignored for `test` profile
[INFO] [stderr] warning: `rosella` (manifest) generated 2 warnings
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[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking roff v0.2.2
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking environment v0.1.1
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[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking ndarray-npy v0.8.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Checking statrs v0.16.1
[INFO] [stderr]     Checking rosella v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Array2`
[INFO] [stdout]   --> src/recover/recover_engine.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | use ndarray::{Dim, ArrayBase, OwnedRepr, Array2};
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `Path`
[INFO] [stdout]  --> src/refine/refinery.rs:1:124
[INFO] [stdout]   |
[INFO] [stdout] 1 | ..., Read, BufWriter, Write}, cmp::max, path::{self, Path}, fs::{OpenOptions, File}};
[INFO] [stdout]   |                                                      ^^^^                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Array2`
[INFO] [stdout]   --> src/recover/recover_engine.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | use ndarray::{Dim, ArrayBase, OwnedRepr, Array2};
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `Path`
[INFO] [stdout]  --> src/refine/refinery.rs:1:124
[INFO] [stdout]   |
[INFO] [stdout] 1 | ..., Read, BufWriter, Write}, cmp::max, path::{self, Path}, fs::{OpenOptions, File}};
[INFO] [stdout]   |                                                      ^^^^                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/recover/recover_engine.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut coverage_table = calculate_coverage(m)?;
[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: `embeddings`
[INFO] [stdout]    --> src/recover/recover_engine.rs:569:9
[INFO] [stdout]     |
[INFO] [stdout] 569 |         embeddings: Option<&ArrayBase<OwnedRepr<f64>, Dim<[usize; 2]>>>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_embeddings`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_B` is never used
[INFO] [stdout]   --> src/recover/recover_engine.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | const DEFAULT_B: f64 = 1.5;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_ITERATIONS` is never used
[INFO] [stdout]   --> src/recover/recover_engine.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | const MAX_ITERATIONS: usize = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filtering_rounds`, `ef_construction`, and `max_layers` are never read
[INFO] [stdout]   --> src/recover/recover_engine.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct RecoverEngine {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |     filtering_rounds: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 63 |     ef_construction: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 64 |     max_layers: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinMetrics` is never constructed
[INFO] [stdout]    --> src/recover/recover_engine.rs:779:8
[INFO] [stdout]     |
[INFO] [stdout] 779 | struct BinMetrics {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/recover/recover_engine.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut coverage_table = calculate_coverage(m)?;
[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: `embeddings`
[INFO] [stdout]    --> src/recover/recover_engine.rs:569:9
[INFO] [stdout]     |
[INFO] [stdout] 569 |         embeddings: Option<&ArrayBase<OwnedRepr<f64>, Dim<[usize; 2]>>>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_embeddings`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_B` is never used
[INFO] [stdout]   --> src/recover/recover_engine.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | const DEFAULT_B: f64 = 1.5;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_ITERATIONS` is never used
[INFO] [stdout]   --> src/recover/recover_engine.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | const MAX_ITERATIONS: usize = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filtering_rounds`, `ef_construction`, and `max_layers` are never read
[INFO] [stdout]   --> src/recover/recover_engine.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct RecoverEngine {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |     filtering_rounds: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 63 |     ef_construction: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 64 |     max_layers: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinMetrics` is never constructed
[INFO] [stdout]    --> src/recover/recover_engine.rs:779:8
[INFO] [stdout]     |
[INFO] [stdout] 779 | struct BinMetrics {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05", kill_on_drop: false }`
[INFO] [stdout] 50489a7f5f81f878c42e8351487b1c41d38d0487e977721b7f7ed28d5f2f0b05
