[INFO] updating cached repository https://github.com/sbeckeriv/rust-haiku-generator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab0688a4750d68d03658e7edb66d0b05933f18f1
[INFO] testing sbeckeriv/rust-haiku-generator against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbeckeriv%2Frust-haiku-generator" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbeckeriv/rust-haiku-generator on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sbeckeriv/rust-haiku-generator
[INFO] finished tweaking git repo https://github.com/sbeckeriv/rust-haiku-generator
[INFO] tweaked toml for git repo https://github.com/sbeckeriv/rust-haiku-generator written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sbeckeriv/rust-haiku-generator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] fd37e059780693c84dc3d6ae1e4ab69ad7e4d8cd675ae8e942d616644c726ba6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fd37e059780693c84dc3d6ae1e4ab69ad7e4d8cd675ae8e942d616644c726ba6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling wordsworth v0.1.1
[INFO] [stderr]    Compiling addr2line v0.12.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling cmudict_core v0.2.2 (https://gitlab.com/shnewto/cmudict.git?branch=fix/update-reqwest-version#d8f5adf5)
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling haiku-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `count` is never read
[INFO] [stderr]   --> src/main.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut count = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_from_token`
[INFO] [stderr]    --> src/markov.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn generate_from_token(&self, token: T) -> Vec<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]    --> src/markov.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn iter(&self) -> InfiniteChainIterator<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_for`
[INFO] [stderr]    --> src/markov.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn iter_for(&self, size: usize) -> SizedChainIterator<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `graph`
[INFO] [stderr]    --> src/markov.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn graph(&self) -> Graph<Vec<Token<T>>, f64> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `feed_file`
[INFO] [stderr]    --> src/markov.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     pub fn feed_file<P: AsRef<Path>>(&mut self, path: P) -> Result<&mut Chain<String>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec_to_string`
[INFO] [stderr]    --> src/markov.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     fn vec_to_string(vec: Vec<String>) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_str`
[INFO] [stderr]    --> src/markov.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn generate_str(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_str_from_token`
[INFO] [stderr]    --> src/markov.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn generate_str_from_token(&self, string: &str) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `str_iter`
[INFO] [stderr]    --> src/markov.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn str_iter(&self) -> InfiniteChainStringIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `str_iter_for`
[INFO] [stderr]    --> src/markov.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SizedChainStringIterator`
[INFO] [stderr]    --> src/markov.rs:289:1
[INFO] [stderr]     |
[INFO] [stderr] 289 | / pub type SizedChainStringIterator<'a> =
[INFO] [stderr] 290 | |     Map<SizedChainIterator<'a, String>, fn(Vec<String>) -> String>;
[INFO] [stderr]     | |___________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `InfiniteChainStringIterator`
[INFO] [stderr]    --> src/markov.rs:318:1
[INFO] [stderr]     |
[INFO] [stderr] 318 | / pub type InfiniteChainStringIterator<'a> =
[INFO] [stderr] 319 | |     Map<InfiniteChainIterator<'a, String>, fn(Vec<String>) -> String>;
[INFO] [stderr]     | |______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "fd37e059780693c84dc3d6ae1e4ab69ad7e4d8cd675ae8e942d616644c726ba6"`
[INFO] running `"docker" "rm" "-f" "fd37e059780693c84dc3d6ae1e4ab69ad7e4d8cd675ae8e942d616644c726ba6"`
[INFO] [stdout] fd37e059780693c84dc3d6ae1e4ab69ad7e4d8cd675ae8e942d616644c726ba6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9f9ffdad7c6524b715154972f1efc78421ece283b28b9c9e9601724b3ecc1e6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9f9ffdad7c6524b715154972f1efc78421ece283b28b9c9e9601724b3ecc1e6f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling haiku-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `count` is never read
[INFO] [stderr]   --> src/main.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut count = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_from_token`
[INFO] [stderr]    --> src/markov.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn generate_from_token(&self, token: T) -> Vec<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]    --> src/markov.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn iter(&self) -> InfiniteChainIterator<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_for`
[INFO] [stderr]    --> src/markov.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn iter_for(&self, size: usize) -> SizedChainIterator<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `graph`
[INFO] [stderr]    --> src/markov.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn graph(&self) -> Graph<Vec<Token<T>>, f64> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `feed_file`
[INFO] [stderr]    --> src/markov.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     pub fn feed_file<P: AsRef<Path>>(&mut self, path: P) -> Result<&mut Chain<String>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec_to_string`
[INFO] [stderr]    --> src/markov.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     fn vec_to_string(vec: Vec<String>) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_str`
[INFO] [stderr]    --> src/markov.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn generate_str(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_str_from_token`
[INFO] [stderr]    --> src/markov.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn generate_str_from_token(&self, string: &str) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `str_iter`
[INFO] [stderr]    --> src/markov.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn str_iter(&self) -> InfiniteChainStringIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `str_iter_for`
[INFO] [stderr]    --> src/markov.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SizedChainStringIterator`
[INFO] [stderr]    --> src/markov.rs:289:1
[INFO] [stderr]     |
[INFO] [stderr] 289 | / pub type SizedChainStringIterator<'a> =
[INFO] [stderr] 290 | |     Map<SizedChainIterator<'a, String>, fn(Vec<String>) -> String>;
[INFO] [stderr]     | |___________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `InfiniteChainStringIterator`
[INFO] [stderr]    --> src/markov.rs:318:1
[INFO] [stderr]     |
[INFO] [stderr] 318 | / pub type InfiniteChainStringIterator<'a> =
[INFO] [stderr] 319 | |     Map<InfiniteChainIterator<'a, String>, fn(Vec<String>) -> String>;
[INFO] [stderr]     | |______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "9f9ffdad7c6524b715154972f1efc78421ece283b28b9c9e9601724b3ecc1e6f"`
[INFO] running `"docker" "rm" "-f" "9f9ffdad7c6524b715154972f1efc78421ece283b28b9c9e9601724b3ecc1e6f"`
[INFO] [stdout] 9f9ffdad7c6524b715154972f1efc78421ece283b28b9c9e9601724b3ecc1e6f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5038508c9eb2e7f6da2d2891bf93f12cdace440138cc6fe810fadefc4df4870
[INFO] running `"docker" "start" "-a" "d5038508c9eb2e7f6da2d2891bf93f12cdace440138cc6fe810fadefc4df4870"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: value assigned to `count` is never read
[INFO] [stderr]   --> src/main.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut count = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_from_token`
[INFO] [stderr]    --> src/markov.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn generate_from_token(&self, token: T) -> Vec<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]    --> src/markov.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn iter(&self) -> InfiniteChainIterator<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter_for`
[INFO] [stderr]    --> src/markov.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn iter_for(&self, size: usize) -> SizedChainIterator<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `graph`
[INFO] [stderr]    --> src/markov.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn graph(&self) -> Graph<Vec<Token<T>>, f64> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `feed_file`
[INFO] [stderr]    --> src/markov.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     pub fn feed_file<P: AsRef<Path>>(&mut self, path: P) -> Result<&mut Chain<String>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec_to_string`
[INFO] [stderr]    --> src/markov.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     fn vec_to_string(vec: Vec<String>) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_str`
[INFO] [stderr]    --> src/markov.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn generate_str(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_str_from_token`
[INFO] [stderr]    --> src/markov.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn generate_str_from_token(&self, string: &str) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `str_iter`
[INFO] [stderr]    --> src/markov.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn str_iter(&self) -> InfiniteChainStringIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `str_iter_for`
[INFO] [stderr]    --> src/markov.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn str_iter_for(&self, size: usize) -> SizedChainStringIterator {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SizedChainStringIterator`
[INFO] [stderr]    --> src/markov.rs:289:1
[INFO] [stderr]     |
[INFO] [stderr] 289 | / pub type SizedChainStringIterator<'a> =
[INFO] [stderr] 290 | |     Map<SizedChainIterator<'a, String>, fn(Vec<String>) -> String>;
[INFO] [stderr]     | |___________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `InfiniteChainStringIterator`
[INFO] [stderr]    --> src/markov.rs:318:1
[INFO] [stderr]     |
[INFO] [stderr] 318 | / pub type InfiniteChainStringIterator<'a> =
[INFO] [stderr] 319 | |     Map<InfiniteChainIterator<'a, String>, fn(Vec<String>) -> String>;
[INFO] [stderr]     | |______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/haiku_generator-d799422f1d62ab1b
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d5038508c9eb2e7f6da2d2891bf93f12cdace440138cc6fe810fadefc4df4870"`
[INFO] running `"docker" "rm" "-f" "d5038508c9eb2e7f6da2d2891bf93f12cdace440138cc6fe810fadefc4df4870"`
[INFO] [stdout] d5038508c9eb2e7f6da2d2891bf93f12cdace440138cc6fe810fadefc4df4870