[INFO] cloning repository https://github.com/jmagaram/keylayout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmagaram/keylayout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmagaram%2Fkeylayout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmagaram%2Fkeylayout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e67e6536deb4067b715d4fc07c9f7bb5f8a6ffd9
[INFO] checking jmagaram/keylayout against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmagaram%2Fkeylayout" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jmagaram/keylayout
[INFO] finished tweaking git repo https://github.com/jmagaram/keylayout
[INFO] tweaked toml for git repo https://github.com/jmagaram/keylayout written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jmagaram/keylayout on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jmagaram/keylayout 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.200
[INFO] [stderr]   Downloaded serde v1.0.200
[INFO] [stderr]   Downloaded cc v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "de8fcf59cbf200eedc608da1e31164c1639e6594422e8216b7d7142b100bb1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de8fcf59cbf200eedc608da1e31164c1639e6594422e8216b7d7142b100bb1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8fcf59cbf200eedc608da1e31164c1639e6594422e8216b7d7142b100bb1a2", kill_on_drop: false }`
[INFO] [stdout] de8fcf59cbf200eedc608da1e31164c1639e6594422e8216b7d7142b100bb1a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling syn v2.0.58
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[INFO] [stderr]     Checking criterion-plot v0.5.0
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[INFO] [stderr]     Checking keylayout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `single_key_penalties` is never read
[INFO] [stdout]   --> src/genetic.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Genetic<'a> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     single_key_penalties: &'a SingleKeyPenalties,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubsetSeed` is never constructed
[INFO] [stdout]    --> src/key.rs:273:16
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub struct SubsetSeed {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         self.sender.send(StatusMessage::CalculatedEstimate);
[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] 73 |                         let _ = self.sender.send(StatusMessage::CalculatedEstimate);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         let _ = self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/keyboard.rs:398:32
[INFO] [stdout]     |
[INFO] [stdout] 396 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 397 |         dictionary: &'a Dictionary,
[INFO] [stdout]     |                      -- the lifetime is named here
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&Word, Penalty)> {
[INFO] [stdout]     |                                ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&'a Word, Penalty)> {
[INFO] [stdout]     |                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `single_key_penalties` is never read
[INFO] [stdout]   --> src/genetic.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Genetic<'a> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     single_key_penalties: &'a SingleKeyPenalties,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_letters` is never used
[INFO] [stdout]   --> src/dictionary.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Dictionary {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn replace_letters(&self, find: Key, replace_with: Letter) -> Dictionary {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]   --> src/exhaustive_n_key.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum DictionaryChoice {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     Custom(Dictionary),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FillArgs` is never constructed
[INFO] [stdout]    --> src/exhaustive_n_key.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub struct FillArgs {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]    --> src/exhaustive_n_key.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | impl FillArgs {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 289 |     pub fn solve(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PopularLetterPairingsArgs` is never constructed
[INFO] [stdout]    --> src/exhaustive_n_key.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub struct PopularLetterPairingsArgs {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]    --> src/exhaustive_n_key.rs:367:12
[INFO] [stdout]     |
[INFO] [stdout] 364 | impl PopularLetterPairingsArgs {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 367 |     pub fn solve(&self) -> Solution {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/frequency.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Frequency {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(value: f32) -> Frequency {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `single_key_penalties` is never read
[INFO] [stdout]   --> src/genetic.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Genetic<'a> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     single_key_penalties: &'a SingleKeyPenalties,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_every_letter`, `with_first_n_letters`, `random_subsets`, and `distribute` are never used
[INFO] [stdout]    --> src/key.rs:48:12
[INFO] [stdout]     |
[INFO] [stdout]  40 | impl Key {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  48 |     pub fn with_every_letter() -> Key {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  52 |     pub fn with_first_n_letters(count: u8) -> Key {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub fn random_subsets(&self, groupings: &Vec<u8>) -> impl Iterator<Item = Key> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn distribute(&self, key_sizes: Tally<u8>) -> impl Iterator<Item = Vec<Key>> + '_ {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RandomSubsets` is never constructed
[INFO] [stdout]    --> src/key.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 381 | struct RandomSubsets {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DistributeLetters` is never constructed
[INFO] [stdout]    --> src/key.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 | struct DistributeLetters {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubsetSeed` is never constructed
[INFO] [stdout]    --> src/key.rs:273:16
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub struct SubsetSeed {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Seed` is never used
[INFO] [stdout]  --> src/lazy_tree.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Seed<'a, N, T>
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/letter.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Letter {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn new(char: char) -> Letter {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pairings_to_ignore` is never read
[INFO] [stdout]   --> src/pairing.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub pairings_to_ignore: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/prohibited.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Prohibited {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `save_csv` and `new` are never used
[INFO] [stdout]   --> src/single_key_penalties.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl SingleKeyPenalties {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn save_csv(&self) -> Result<(), csv::Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn new(dictionary: &Dictionary, max_key_size: u8) -> SingleKeyPenalties {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Args` is never constructed
[INFO] [stdout]  --> src/solution_samples.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Args<'a> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/solution_samples.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl CsvOutput {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn new(s: &Solution, index: usize) -> CsvOutput {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_to_csv`, `partitions`, and `calculate` are never used
[INFO] [stdout]    --> src/solution_samples.rs:72:12
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl<'a> Args<'a> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout]  72 |     pub fn save_to_csv(&'a self) -> Result<(), csv::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn partitions(&'a self) -> impl Iterator<Item = Partitions> + 'a {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn calculate(&'a self) -> Vec<Solution> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_bits_decreasing` is never used
[INFO] [stdout]   --> src/util.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn set_bits_decreasing(n: u32) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_letters` is never used
[INFO] [stdout]   --> src/word.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Word {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn replace_letters(&self, find: impl Iterator<Item = Letter>, letter: Letter) -> Word {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `calculate`, `print`, and `save_to_csv` are never used
[INFO] [stdout]   --> src/word_overlap.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl WordOverlap {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn calculate(dictionary: &Dictionary, max_pairs: u8) -> WordOverlap {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn save_to_csv(&self, file_name: &str) -> Result<(), csv::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         self.sender.send(StatusMessage::CalculatedEstimate);
[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] 73 |                         let _ = self.sender.send(StatusMessage::CalculatedEstimate);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         self.sender.send(StatusMessage::CalculatedEstimate);
[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] 73 |                         let _ = self.sender.send(StatusMessage::CalculatedEstimate);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         let _ = self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         let _ = self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/keyboard.rs:398:32
[INFO] [stdout]     |
[INFO] [stdout] 396 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 397 |         dictionary: &'a Dictionary,
[INFO] [stdout]     |                      -- the lifetime is named here
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&Word, Penalty)> {
[INFO] [stdout]     |                                ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&'a Word, Penalty)> {
[INFO] [stdout]     |                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/keyboard.rs:398:32
[INFO] [stdout]     |
[INFO] [stdout] 396 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 397 |         dictionary: &'a Dictionary,
[INFO] [stdout]     |                      -- the lifetime is named here
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&Word, Penalty)> {
[INFO] [stdout]     |                                ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&'a Word, Penalty)> {
[INFO] [stdout]     |                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_letters` is never used
[INFO] [stdout]   --> src/dictionary.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Dictionary {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn replace_letters(&self, find: Key, replace_with: Letter) -> Dictionary {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Custom` is never constructed
[INFO] [stdout]   --> src/exhaustive_n_key.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum DictionaryChoice {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     Custom(Dictionary),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FillArgs` is never constructed
[INFO] [stdout]    --> src/exhaustive_n_key.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub struct FillArgs {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]    --> src/exhaustive_n_key.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | impl FillArgs {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 289 |     pub fn solve(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PopularLetterPairingsArgs` is never constructed
[INFO] [stdout]    --> src/exhaustive_n_key.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub struct PopularLetterPairingsArgs {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]    --> src/exhaustive_n_key.rs:367:12
[INFO] [stdout]     |
[INFO] [stdout] 364 | impl PopularLetterPairingsArgs {
[INFO] [stdout]     | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 367 |     pub fn solve(&self) -> Solution {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/frequency.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Frequency {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(value: f32) -> Frequency {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `single_key_penalties` is never read
[INFO] [stdout]   --> src/genetic.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Genetic<'a> {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     single_key_penalties: &'a SingleKeyPenalties,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pairings_to_ignore` is never read
[INFO] [stdout]   --> src/pairing.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub pairings_to_ignore: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/prohibited.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Prohibited {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `save_csv` and `new` are never used
[INFO] [stdout]   --> src/single_key_penalties.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl SingleKeyPenalties {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn save_csv(&self) -> Result<(), csv::Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn new(dictionary: &Dictionary, max_key_size: u8) -> SingleKeyPenalties {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Args` is never constructed
[INFO] [stdout]  --> src/solution_samples.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Args<'a> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/solution_samples.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl CsvOutput {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn new(s: &Solution, index: usize) -> CsvOutput {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_to_csv`, `partitions`, and `calculate` are never used
[INFO] [stdout]    --> src/solution_samples.rs:72:12
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl<'a> Args<'a> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout]  72 |     pub fn save_to_csv(&'a self) -> Result<(), csv::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn partitions(&'a self) -> impl Iterator<Item = Partitions> + 'a {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn calculate(&'a self) -> Vec<Solution> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `calculate`, `print`, and `save_to_csv` are never used
[INFO] [stdout]   --> src/word_overlap.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl WordOverlap {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn calculate(dictionary: &Dictionary, max_pairs: u8) -> WordOverlap {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn print(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn save_to_csv(&self, file_name: &str) -> Result<(), csv::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         self.sender.send(StatusMessage::CalculatedEstimate);
[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] 73 |                         let _ = self.sender.send(StatusMessage::CalculatedEstimate);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/genetic.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         let _ = self.sender.send(StatusMessage::CalulatedPrecise);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/keyboard.rs:398:32
[INFO] [stdout]     |
[INFO] [stdout] 396 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 397 |         dictionary: &'a Dictionary,
[INFO] [stdout]     |                      -- the lifetime is named here
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&Word, Penalty)> {
[INFO] [stdout]     |                                ^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 398 |     ) -> impl Iterator<Item = (&'a Word, Penalty)> {
[INFO] [stdout]     |                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.53s
[INFO] running `Command { std: "docker" "inspect" "f67b7b8fe1b67a6c7afb1e0cfddb5b4e6f05e5f6ca814739bb171ebee097b2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67b7b8fe1b67a6c7afb1e0cfddb5b4e6f05e5f6ca814739bb171ebee097b2eb", kill_on_drop: false }`
[INFO] [stdout] f67b7b8fe1b67a6c7afb1e0cfddb5b4e6f05e5f6ca814739bb171ebee097b2eb
