[INFO] fetching crate passgen-rs 0.2.0...
[INFO] testing passgen-rs-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate passgen-rs 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate passgen-rs 0.2.0
[INFO] finished tweaking crates.io crate passgen-rs 0.2.0
[INFO] tweaked toml for crates.io crate passgen-rs 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate passgen-rs 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate passgen-rs 0.2.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e16b59ddb6a1e9d423f92710bb997e4f619b1813fbb6fafb2026848f1a788d25
[INFO] running `Command { std: "docker" "start" "-a" "e16b59ddb6a1e9d423f92710bb997e4f619b1813fbb6fafb2026848f1a788d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16b59ddb6a1e9d423f92710bb997e4f619b1813fbb6fafb2026848f1a788d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16b59ddb6a1e9d423f92710bb997e4f619b1813fbb6fafb2026848f1a788d25", kill_on_drop: false }`
[INFO] [stdout] e16b59ddb6a1e9d423f92710bb997e4f619b1813fbb6fafb2026848f1a788d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7790a4bc18bfe26abd4ed7507c77f082860b7885618858d766af2b8fb121dc03
[INFO] running `Command { std: "docker" "start" "-a" "7790a4bc18bfe26abd4ed7507c77f082860b7885618858d766af2b8fb121dc03", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling rangemap v1.5.1
[INFO] [stderr]    Compiling higher-kinded-types v0.1.1
[INFO] [stderr]    Compiling polonius-the-crab v0.4.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling pest v2.7.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v4.5.17
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pest_meta v2.7.12
[INFO] [stderr]    Compiling pest_generator v2.7.12
[INFO] [stderr]    Compiling pest_derive v2.7.12
[INFO] [stderr]    Compiling passgen-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/data.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn wordlist(&self, name: &str) -> Option<Arc<Wordlist>> {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/data.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn markov(&self, name: &str) -> Option<Arc<Markov>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `choices`
[INFO] [stdout]   --> src/entropy.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_choices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand`
[INFO] [stdout]   --> src/generate.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn generate(&self, rand: &mut dyn RngCore, output: &mut dyn Write) -> Result<f64, Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependencies`
[INFO] [stdout]   --> src/optimize.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependencies`
[INFO] [stdout]   --> src/optimize.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set`
[INFO] [stdout]    --> src/optimize.rs:129:26
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Pattern::Set(set) => {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/prepare.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/prepare.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entropy` is never constructed
[INFO] [stdout]  --> src/entropy.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Entropy(f64);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bits`, `choice`, and `add` are never used
[INFO] [stdout]   --> src/entropy.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Entropy {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 11 |     fn bits(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn choice(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let amount = options.amount;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[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/main.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |                         sender.send(output);
[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] 192 |                         let _ = sender.send(output);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: higher-kinded-types v0.1.1
[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" "7790a4bc18bfe26abd4ed7507c77f082860b7885618858d766af2b8fb121dc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7790a4bc18bfe26abd4ed7507c77f082860b7885618858d766af2b8fb121dc03", kill_on_drop: false }`
[INFO] [stdout] 7790a4bc18bfe26abd4ed7507c77f082860b7885618858d766af2b8fb121dc03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 583f4f6d08ae64136b9ab177f0b6f946c5575f3b79e3859cee551fd87f871a37
[INFO] running `Command { std: "docker" "start" "-a" "583f4f6d08ae64136b9ab177f0b6f946c5575f3b79e3859cee551fd87f871a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling tempfile v3.12.0
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling structmeta-derive v0.3.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling pest v2.7.12
[INFO] [stderr]    Compiling structmeta v0.3.0
[INFO] [stderr]    Compiling test-strategy v0.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling clap v4.5.17
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pest_meta v2.7.12
[INFO] [stderr]    Compiling proptest v1.5.0
[INFO] [stderr]    Compiling pest_generator v2.7.12
[INFO] [stderr]    Compiling pest_derive v2.7.12
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling passgen-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/data.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn wordlist(&self, name: &str) -> Option<Arc<Wordlist>> {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/data.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn markov(&self, name: &str) -> Option<Arc<Markov>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `choices`
[INFO] [stdout]   --> src/entropy.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_choices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand`
[INFO] [stdout]   --> src/generate.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn generate(&self, rand: &mut dyn RngCore, output: &mut dyn Write) -> Result<f64, Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependencies`
[INFO] [stdout]   --> src/optimize.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependencies`
[INFO] [stdout]   --> src/optimize.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set`
[INFO] [stdout]    --> src/optimize.rs:129:26
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Pattern::Set(set) => {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/prepare.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/prepare.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entropy` is never constructed
[INFO] [stdout]  --> src/entropy.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Entropy(f64);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bits`, `choice`, and `add` are never used
[INFO] [stdout]   --> src/entropy.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Entropy {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 11 |     fn bits(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn choice(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/main.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let amount = options.amount;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[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/main.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |                         sender.send(output);
[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] 192 |                         let _ = sender.send(output);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> src/data.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn wordlist(&self, name: &str) -> Option<Arc<Wordlist>> {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/data.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn markov(&self, name: &str) -> Option<Arc<Markov>> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `choices`
[INFO] [stdout]   --> src/entropy.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_choices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand`
[INFO] [stdout]   --> src/generate.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn generate(&self, rand: &mut dyn RngCore, output: &mut dyn Write) -> Result<f64, Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependencies`
[INFO] [stdout]   --> src/optimize.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependencies`
[INFO] [stdout]   --> src/optimize.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set`
[INFO] [stdout]    --> src/optimize.rs:129:26
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Pattern::Set(set) => {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/prepare.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/prepare.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entropy` is never constructed
[INFO] [stdout]  --> src/entropy.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Entropy(f64);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bits`, `choice`, and `add` are never used
[INFO] [stdout]   --> src/entropy.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Entropy {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 11 |     fn bits(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn choice(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 37.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: higher-kinded-types v0.1.1
[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" "583f4f6d08ae64136b9ab177f0b6f946c5575f3b79e3859cee551fd87f871a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583f4f6d08ae64136b9ab177f0b6f946c5575f3b79e3859cee551fd87f871a37", kill_on_drop: false }`
[INFO] [stdout] 583f4f6d08ae64136b9ab177f0b6f946c5575f3b79e3859cee551fd87f871a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a37c2fa9d4a08ee2e4d8daf6ce7d34f1eaa9071267153550d97a4429360d8ec1
[INFO] running `Command { std: "docker" "start" "-a" "a37c2fa9d4a08ee2e4d8daf6ce7d34f1eaa9071267153550d97a4429360d8ec1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> src/data.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn wordlist(&self, name: &str) -> Option<Arc<Wordlist>> {
[INFO] [stderr]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/data.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn markov(&self, name: &str) -> Option<Arc<Markov>> {
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `choices`
[INFO] [stderr]   --> src/entropy.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stderr]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_choices`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rand`
[INFO] [stderr]   --> src/generate.rs:77:24
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn generate(&self, rand: &mut dyn RngCore, output: &mut dyn Write) -> Result<f64, Error> {
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_rand`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dependencies`
[INFO] [stderr]   --> src/optimize.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dependencies`
[INFO] [stderr]   --> src/optimize.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn optimize(self, dependencies: &mut Dependencies) -> Self::Output {
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependencies`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `set`
[INFO] [stderr]    --> src/optimize.rs:129:26
[INFO] [stderr]     |
[INFO] [stderr] 129 |             Pattern::Set(set) => {
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> src/prepare.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> src/prepare.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn prepare(self, env: &dyn Data) -> Result<Self::Output, Error> {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Entropy` is never constructed
[INFO] [stderr]  --> src/entropy.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Entropy(f64);
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `bits`, `choice`, and `add` are never used
[INFO] [stderr]   --> src/entropy.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Entropy {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] 11 |     fn bits(&self) -> f64 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     fn choice(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     fn add(&mut self, choices: f64) {}
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `passgen-rs` (lib) generated 11 warnings (run `cargo fix --lib -p passgen-rs` to apply 9 suggestions)
[INFO] [stderr] warning: unused variable: `amount`
[INFO] [stderr]    --> src/main.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let amount = options.amount;
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |                         sender.send(output);
[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] 192 |                         let _ = sender.send(output);
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `passgen-rs` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: `passgen-rs` (bin "passgen" test) generated 2 warnings (run `cargo fix --bin "passgen" -p passgen-rs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: higher-kinded-types v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/passgen-a22eaebae2505627)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test parser::tests::parse_group_repeat ... ok
[INFO] [stdout] test parser::tests::parse_group ... ok
[INFO] [stdout] test parser::tests::parse_literal_optional ... ok
[INFO] [stdout] test parser::tests::parse_literal_repeat ... ok
[INFO] [stdout] test parser::tests::parse_group_optional ... ok
[INFO] [stdout] test parser::tests::parse_group_segments ... ok
[INFO] [stdout] test markov::tests::can_generate_word ... ok
[INFO] [stdout] test parser::tests::parse_literal ... ok
[INFO] [stdout] test parser::tests::parse_set ... ok
[INFO] [stdout] test parser::tests::parse_set_repeat ... ok
[INFO] [stdout] test parser::tests::parse_set_optional ... ok
[INFO] [stdout] test parser::tests::parse_optional ... ok
[INFO] [stdout] test parser::tests::parse_repeat_exact ... ok
[INFO] [stdout] test parser::tests::parse_repeat_minmax ... ok
[INFO] [stdout] test parser::tests::parse_arbitrary ... ok
[INFO] [stdout] test pattern::tests::test_set_counts ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/passgen-33165e34c225a659)
[INFO] [stdout] test pattern::tests::test_set_total ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[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] [stderr]    Doc-tests passgen
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/markov/prefix.rs - markov::prefix::get_or_insert_default (line 35) ... ignored
[INFO] [stdout] test src/pattern.rs - pattern (line 22) ... ok
[INFO] [stdout] test src/random.rs - random (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a37c2fa9d4a08ee2e4d8daf6ce7d34f1eaa9071267153550d97a4429360d8ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37c2fa9d4a08ee2e4d8daf6ce7d34f1eaa9071267153550d97a4429360d8ec1", kill_on_drop: false }`
[INFO] [stdout] a37c2fa9d4a08ee2e4d8daf6ce7d34f1eaa9071267153550d97a4429360d8ec1
