[INFO] fetching crate passgen-rs 0.2.0...
[INFO] building passgen-rs-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate passgen-rs 0.2.0 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate passgen-rs 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d54c8c2f9c962b6e5da6c0887835cf47b77bf47fc5e54e1c49c59e73d4506f20
[INFO] running `Command { std: "docker" "start" "-a" "d54c8c2f9c962b6e5da6c0887835cf47b77bf47fc5e54e1c49c59e73d4506f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d54c8c2f9c962b6e5da6c0887835cf47b77bf47fc5e54e1c49c59e73d4506f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54c8c2f9c962b6e5da6c0887835cf47b77bf47fc5e54e1c49c59e73d4506f20", kill_on_drop: false }`
[INFO] [stdout] d54c8c2f9c962b6e5da6c0887835cf47b77bf47fc5e54e1c49c59e73d4506f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab8b855c2907caa17ee28f5ab23679e44da647c73759f48287e2b2c13955043b
[INFO] running `Command { std: "docker" "start" "-a" "ab8b855c2907caa17ee28f5ab23679e44da647c73759f48287e2b2c13955043b", 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 version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling higher-kinded-types v0.1.1
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling polonius-the-crab v0.4.1
[INFO] [stderr]    Compiling rangemap v1.5.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling clap v4.5.17
[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 pest_meta v2.7.12
[INFO] [stderr]    Compiling rand v0.8.5
[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: `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]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: `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: 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: `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] 
[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: `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: 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 25.02s
[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" "ab8b855c2907caa17ee28f5ab23679e44da647c73759f48287e2b2c13955043b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8b855c2907caa17ee28f5ab23679e44da647c73759f48287e2b2c13955043b", kill_on_drop: false }`
[INFO] [stdout] ab8b855c2907caa17ee28f5ab23679e44da647c73759f48287e2b2c13955043b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91181eb60b4c2917b476b4bcc7479297a745204445fc85051e059528b4571af8
[INFO] running `Command { std: "docker" "start" "-a" "91181eb60b4c2917b476b4bcc7479297a745204445fc85051e059528b4571af8", 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 crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[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 rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters v0.3.7
[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 serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[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 structmeta v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling pest v2.7.12
[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 pest_meta v2.7.12
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pest_generator v2.7.12
[INFO] [stderr]    Compiling proptest v1.5.0
[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: `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: 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: 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: `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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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: `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: 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] 
[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: `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: `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: 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 14.95s
[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" "91181eb60b4c2917b476b4bcc7479297a745204445fc85051e059528b4571af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91181eb60b4c2917b476b4bcc7479297a745204445fc85051e059528b4571af8", kill_on_drop: false }`
[INFO] [stdout] 91181eb60b4c2917b476b4bcc7479297a745204445fc85051e059528b4571af8
