[INFO] fetching crate autour_core 0.1.10...
[INFO] testing autour_core-0.1.10 against 1.76.0 for beta-1.77-1
[INFO] extracting crate autour_core 0.1.10 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate autour_core 0.1.10 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autour_core 0.1.10
[INFO] finished tweaking crates.io crate autour_core 0.1.10
[INFO] tweaked toml for crates.io crate autour_core 0.1.10 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graphviz_dot_builder v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 268d7896c63dd2411366f3e1d113d231255b6f47662af757ffc4dc666598e3cc
[INFO] running `Command { std: "docker" "start" "-a" "268d7896c63dd2411366f3e1d113d231255b6f47662af757ffc4dc666598e3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "268d7896c63dd2411366f3e1d113d231255b6f47662af757ffc4dc666598e3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268d7896c63dd2411366f3e1d113d231255b6f47662af757ffc4dc666598e3cc", kill_on_drop: false }`
[INFO] [stdout] 268d7896c63dd2411366f3e1d113d231255b6f47662af757ffc4dc666598e3cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0713a04c9b4cd3d2482dbfffb8a14e2e367f5d335783bd2e02d7370626d754a
[INFO] running `Command { std: "docker" "start" "-a" "b0713a04c9b4cd3d2482dbfffb8a14e2e367f5d335783bd2e02d7370626d754a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling graphviz_dot_builder v0.1.2
[INFO] [stderr]    Compiling autour_core v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nfa/implem/build.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn repeat(mut self, num : usize) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/states_map.rs:205:22
[INFO] [stdout]     |
[INFO] [stdout] 205 |         for (row_id, row) in self.matrix_map_to_nfa_states.iter().enumerate() {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hide_alphabet`
[INFO] [stdout]   --> src/nfait/implem/letter.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn hide_letters(self, hide_alphabet : bool, should_hide: &dyn Fn(&Letter) -> bool) -> Self {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hide_alphabet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/access.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn make_accessible(mut self) -> Self {
[INFO] [stdout]    |                        ----^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |              ----^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                              ----^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn repeat(self, num : usize) -> Self {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn kleene(mut self) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stdout]    |                ----^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn at_least(self, num: usize) -> Self {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:50:50
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn repeat_range<R: RangeBounds<usize>>(self, r: R) -> Self {
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_states`
[INFO] [stdout]   --> src/gnfa/implem/run.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |                       active_states: &HashSet<usize>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_states`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `letter`
[INFO] [stdout]   --> src/gnfa/implem/run.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |                       letter: &Letter) ->  Result<HashSet<usize>,AutError<Letter>> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_alphabet`
[INFO] [stdout]   --> src/gnfa/implem/letter.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | ...                   new_alphabet: HashSet<Letter>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_alphabet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_term`
[INFO] [stdout]   --> src/bre/term.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             TermBRE::Kleene(sub_term) => false
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNTAX_WILDCARD_HASHTAG` is never used
[INFO] [stdout]   --> src/printers/commons.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SYNTAX_WILDCARD_HASHTAG : &str = "#";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNTAX_CONCATENATION_DOT` is never used
[INFO] [stdout]   --> src/printers/commons.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const SYNTAX_CONCATENATION_DOT : &str = ".";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | /     orig_graph.print_dot(parent_folder,
[INFO] [stdout] 139 | |                          "orig",
[INFO] [stdout] 140 | |                          &GraphVizOutputFormat::png);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let _ = orig_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | /     sm_graph.print_dot(parent_folder,
[INFO] [stdout] 142 | |                        "sm",
[INFO] [stdout] 143 | |                        &GraphVizOutputFormat::png);
[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] 141 |     let _ = sm_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | /     rsm_graph.print_dot(parent_folder,
[INFO] [stdout] 145 | |                         "rsm",
[INFO] [stdout] 146 | |                         &GraphVizOutputFormat::png);
[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] 144 |     let _ = rsm_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | /     min_graph.print_dot(parent_folder,
[INFO] [stdout] 148 | |                         "min",
[INFO] [stdout] 149 | |                         &GraphVizOutputFormat::png);
[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] 147 |     let _ = min_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 | /     bridge_graph.print_dot(&parent_folder,
[INFO] [stdout] 202 | |                            &name,
[INFO] [stdout] 203 | |                            &GraphVizOutputFormat::svg);
[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] 201 |     let _ = bridge_graph.print_dot(&parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Map` that must be used
[INFO] [stdout]   --> src/bre/term.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let _ = sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "b0713a04c9b4cd3d2482dbfffb8a14e2e367f5d335783bd2e02d7370626d754a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0713a04c9b4cd3d2482dbfffb8a14e2e367f5d335783bd2e02d7370626d754a", kill_on_drop: false }`
[INFO] [stdout] b0713a04c9b4cd3d2482dbfffb8a14e2e367f5d335783bd2e02d7370626d754a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ce4e23765a7d2b8709a14659f464fc92920576afc4ce7c4d5fd229e483d5fc0
[INFO] running `Command { std: "docker" "start" "-a" "4ce4e23765a7d2b8709a14659f464fc92920576afc4ce7c4d5fd229e483d5fc0", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nfa/implem/build.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn repeat(mut self, num : usize) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/states_map.rs:205:22
[INFO] [stdout]     |
[INFO] [stdout] 205 |         for (row_id, row) in self.matrix_map_to_nfa_states.iter().enumerate() {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hide_alphabet`
[INFO] [stdout]   --> src/nfait/implem/letter.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn hide_letters(self, hide_alphabet : bool, should_hide: &dyn Fn(&Letter) -> bool) -> Self {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hide_alphabet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/access.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn make_accessible(mut self) -> Self {
[INFO] [stdout]    |                        ----^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |              ----^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                              ----^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn repeat(self, num : usize) -> Self {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn kleene(mut self) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stdout]    |                ----^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn at_least(self, num: usize) -> Self {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:50:50
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn repeat_range<R: RangeBounds<usize>>(self, r: R) -> Self {
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_states`
[INFO] [stdout]   --> src/gnfa/implem/run.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |                       active_states: &HashSet<usize>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_states`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `letter`
[INFO] [stdout]   --> src/gnfa/implem/run.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |                       letter: &Letter) ->  Result<HashSet<usize>,AutError<Letter>> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_alphabet`
[INFO] [stdout]   --> src/gnfa/implem/letter.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | ...                   new_alphabet: HashSet<Letter>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_alphabet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_term`
[INFO] [stdout]   --> src/bre/term.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             TermBRE::Kleene(sub_term) => false
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNTAX_WILDCARD_HASHTAG` is never used
[INFO] [stdout]   --> src/printers/commons.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SYNTAX_WILDCARD_HASHTAG : &str = "#";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNTAX_CONCATENATION_DOT` is never used
[INFO] [stdout]   --> src/printers/commons.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const SYNTAX_CONCATENATION_DOT : &str = ".";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | /     orig_graph.print_dot(parent_folder,
[INFO] [stdout] 139 | |                          "orig",
[INFO] [stdout] 140 | |                          &GraphVizOutputFormat::png);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let _ = orig_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | /     sm_graph.print_dot(parent_folder,
[INFO] [stdout] 142 | |                        "sm",
[INFO] [stdout] 143 | |                        &GraphVizOutputFormat::png);
[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] 141 |     let _ = sm_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | /     rsm_graph.print_dot(parent_folder,
[INFO] [stdout] 145 | |                         "rsm",
[INFO] [stdout] 146 | |                         &GraphVizOutputFormat::png);
[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] 144 |     let _ = rsm_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | /     min_graph.print_dot(parent_folder,
[INFO] [stdout] 148 | |                         "min",
[INFO] [stdout] 149 | |                         &GraphVizOutputFormat::png);
[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] 147 |     let _ = min_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 | /     bridge_graph.print_dot(&parent_folder,
[INFO] [stdout] 202 | |                            &name,
[INFO] [stdout] 203 | |                            &GraphVizOutputFormat::svg);
[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] 201 |     let _ = bridge_graph.print_dot(&parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Map` that must be used
[INFO] [stdout]   --> src/bre/term.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let _ = sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling autour_core v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nfa/implem/build.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn repeat(mut self, num : usize) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/states_map.rs:205:22
[INFO] [stdout]     |
[INFO] [stdout] 205 |         for (row_id, row) in self.matrix_map_to_nfa_states.iter().enumerate() {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dfa`
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:258:14
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (dfa,sm,rsm,legit) = kameda_weiner_algorithm(&nfa);
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_dfa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sm`
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:258:18
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (dfa,sm,rsm,legit) = kameda_weiner_algorithm(&nfa);
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_sm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rsm`
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (dfa,sm,rsm,legit) = kameda_weiner_algorithm(&nfa);
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_rsm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hide_alphabet`
[INFO] [stdout]   --> src/nfait/implem/letter.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn hide_letters(self, hide_alphabet : bool, should_hide: &dyn Fn(&Letter) -> bool) -> Self {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hide_alphabet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/access.rs:49:24
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn make_accessible(mut self) -> Self {
[INFO] [stdout]    |                        ----^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |              ----^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stdout]    |                              ----^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn repeat(self, num : usize) -> Self {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn kleene(mut self) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gnfa/implem/build.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stdout]    |                ----^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn at_least(self, num: usize) -> Self {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/gnfa/implem/build.rs:50:50
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn repeat_range<R: RangeBounds<usize>>(self, r: R) -> Self {
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_states`
[INFO] [stdout]   --> src/gnfa/implem/run.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |                       active_states: &HashSet<usize>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_states`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `letter`
[INFO] [stdout]   --> src/gnfa/implem/run.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |                       letter: &Letter) ->  Result<HashSet<usize>,AutError<Letter>> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_alphabet`
[INFO] [stdout]   --> src/gnfa/implem/letter.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | ...                   new_alphabet: HashSet<Letter>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_alphabet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_term`
[INFO] [stdout]   --> src/bre/term.rs:71:29
[INFO] [stdout]    |
[INFO] [stdout] 71 |             TermBRE::Kleene(sub_term) => false
[INFO] [stdout]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNTAX_WILDCARD_HASHTAG` is never used
[INFO] [stdout]   --> src/printers/commons.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const SYNTAX_WILDCARD_HASHTAG : &str = "#";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYNTAX_CONCATENATION_DOT` is never used
[INFO] [stdout]   --> src/printers/commons.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const SYNTAX_CONCATENATION_DOT : &str = ".";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | /     orig_graph.print_dot(parent_folder,
[INFO] [stdout] 139 | |                          "orig",
[INFO] [stdout] 140 | |                          &GraphVizOutputFormat::png);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let _ = orig_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 | /     sm_graph.print_dot(parent_folder,
[INFO] [stdout] 142 | |                        "sm",
[INFO] [stdout] 143 | |                        &GraphVizOutputFormat::png);
[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] 141 |     let _ = sm_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | /     rsm_graph.print_dot(parent_folder,
[INFO] [stdout] 145 | |                         "rsm",
[INFO] [stdout] 146 | |                         &GraphVizOutputFormat::png);
[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] 144 |     let _ = rsm_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | /     min_graph.print_dot(parent_folder,
[INFO] [stdout] 148 | |                         "min",
[INFO] [stdout] 149 | |                         &GraphVizOutputFormat::png);
[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] 147 |     let _ = min_graph.print_dot(parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nfa/algos/kameda_weiner/algo.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 | /     bridge_graph.print_dot(&parent_folder,
[INFO] [stdout] 202 | |                            &name,
[INFO] [stdout] 203 | |                            &GraphVizOutputFormat::svg);
[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] 201 |     let _ = bridge_graph.print_dot(&parent_folder,
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Map` that must be used
[INFO] [stdout]   --> src/bre/term.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let _ = sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "4ce4e23765a7d2b8709a14659f464fc92920576afc4ce7c4d5fd229e483d5fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce4e23765a7d2b8709a14659f464fc92920576afc4ce7c4d5fd229e483d5fc0", kill_on_drop: false }`
[INFO] [stdout] 4ce4e23765a7d2b8709a14659f464fc92920576afc4ce7c4d5fd229e483d5fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87d7635e67a93586ce993618390820efc498b505f478ce734c9432ee7baffb0e
[INFO] running `Command { std: "docker" "start" "-a" "87d7635e67a93586ce993618390820efc498b505f478ce734c9432ee7baffb0e", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/nfa/implem/build.rs:77:15
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn repeat(mut self, num : usize) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/states_map.rs:205:22
[INFO] [stderr]     |
[INFO] [stderr] 205 |         for (row_id, row) in self.matrix_map_to_nfa_states.iter().enumerate() {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hide_alphabet`
[INFO] [stderr]   --> src/nfait/implem/letter.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn hide_letters(self, hide_alphabet : bool, should_hide: &dyn Fn(&Letter) -> bool) -> Self {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hide_alphabet`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gnfa/implem/access.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn make_accessible(mut self) -> Self {
[INFO] [stderr]    |                        ----^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/gnfa/implem/build.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gnfa/implem/build.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn unite(mut self, other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stderr]    |              ----^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/gnfa/implem/build.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gnfa/implem/build.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stderr]    |                    ----^^^^
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gnfa/implem/build.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn concatenate(mut self, mut other: Self) -> Result<Self,AutError<Letter>> {
[INFO] [stderr]    |                              ----^^^^^
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/gnfa/implem/build.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn repeat(self, num : usize) -> Self {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gnfa/implem/build.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn kleene(mut self) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/gnfa/implem/build.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gnfa/implem/build.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn at_most(mut self, num: usize) -> Self {
[INFO] [stderr]    |                ----^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/gnfa/implem/build.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn at_least(self, num: usize) -> Self {
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/gnfa/implem/build.rs:50:50
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn repeat_range<R: RangeBounds<usize>>(self, r: R) -> Self {
[INFO] [stderr]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_states`
[INFO] [stderr]   --> src/gnfa/implem/run.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |                       active_states: &HashSet<usize>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_states`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `letter`
[INFO] [stderr]   --> src/gnfa/implem/run.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |                       letter: &Letter) ->  Result<HashSet<usize>,AutError<Letter>> {
[INFO] [stderr]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_alphabet`
[INFO] [stderr]   --> src/gnfa/implem/letter.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | ...                   new_alphabet: HashSet<Letter>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_alphabet`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_term`
[INFO] [stderr]   --> src/bre/term.rs:71:29
[INFO] [stderr]    |
[INFO] [stderr] 71 |             TermBRE::Kleene(sub_term) => false
[INFO] [stderr]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SYNTAX_WILDCARD_HASHTAG` is never used
[INFO] [stderr]   --> src/printers/commons.rs:25:11
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const SYNTAX_WILDCARD_HASHTAG : &str = "#";
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SYNTAX_CONCATENATION_DOT` is never used
[INFO] [stderr]   --> src/printers/commons.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const SYNTAX_CONCATENATION_DOT : &str = ".";
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 | /     orig_graph.print_dot(parent_folder,
[INFO] [stderr] 139 | |                          "orig",
[INFO] [stderr] 140 | |                          &GraphVizOutputFormat::png);
[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)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let _ = orig_graph.print_dot(parent_folder,
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 | /     sm_graph.print_dot(parent_folder,
[INFO] [stderr] 142 | |                        "sm",
[INFO] [stderr] 143 | |                        &GraphVizOutputFormat::png);
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let _ = sm_graph.print_dot(parent_folder,
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 | /     rsm_graph.print_dot(parent_folder,
[INFO] [stderr] 145 | |                         "rsm",
[INFO] [stderr] 146 | |                         &GraphVizOutputFormat::png);
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let _ = rsm_graph.print_dot(parent_folder,
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 | /     min_graph.print_dot(parent_folder,
[INFO] [stderr] 148 | |                         "min",
[INFO] [stderr] 149 | |                         &GraphVizOutputFormat::png);
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 147 |     let _ = min_graph.print_dot(parent_folder,
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     bridge_graph.print_dot(&parent_folder,
[INFO] [stderr] 202 | |                            &name,
[INFO] [stderr] 203 | |                            &GraphVizOutputFormat::svg);
[INFO] [stderr]     | |______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let _ = bridge_graph.print_dot(&parent_folder,
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Map` that must be used
[INFO] [stderr]   --> src/bre/term.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 let _ = sub2.into_iter().map(|t| sub1.insert(t));
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dfa`
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:258:14
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let (dfa,sm,rsm,legit) = kameda_weiner_algorithm(&nfa);
[INFO] [stderr]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_dfa`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sm`
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:258:18
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let (dfa,sm,rsm,legit) = kameda_weiner_algorithm(&nfa);
[INFO] [stderr]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_sm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rsm`
[INFO] [stderr]    --> src/nfa/algos/kameda_weiner/algo.rs:258:21
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let (dfa,sm,rsm,legit) = kameda_weiner_algorithm(&nfa);
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_rsm`
[INFO] [stderr] 
[INFO] [stderr] warning: `autour_core` (lib) generated 27 warnings (run `cargo fix --lib -p autour_core` to apply 19 suggestions)
[INFO] [stderr] warning: `autour_core` (lib test) generated 30 warnings (27 duplicates) (run `cargo fix --lib -p autour_core --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/autour_core-56e83fc265052db7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test nfa::algos::kameda_weiner::algo::tests::states_map_test1 ... FAILED
[INFO] [stdout] test nfa::algos::kameda_weiner::algo::tests::perf_test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- nfa::algos::kameda_weiner::algo::tests::states_map_test1 stdout ----
[INFO] [stdout] thread 'nfa::algos::kameda_weiner::algo::tests::states_map_test1' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/graphviz_dot_builder-0.1.2/src/graph/print.rs:60:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560760c65896 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560760c65896 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560760c65896 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560760c65896 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560760c8efb0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560760c8efb0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x560760c632ff - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x560760c65674 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560760c65674 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560760c673e7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x560760c670cd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x560760c1bb57 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x560760c1bb57 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x560760c67a06 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x560760c67a06 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x560760c67752 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x560760c65d96 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560760c674b0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x560760b4fd55 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560760b502f3 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x560760c37d2b - core::result::Result<T,E>::unwrap::he56f11e76e0cc24e
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x560760c3b4ee - graphviz_dot_builder::graph::print::<impl graphviz_dot_builder::traits::DotPrintable for graphviz_dot_builder::graph::graph::GraphVizDiGraph>::print_dot::hd84e5e70fad0340a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/graphviz_dot_builder-0.1.2/src/graph/print.rs:60:28
[INFO] [stdout]   22:     0x560760bd9e83 - autour_core::nfa::algos::kameda_weiner::algo::draw_kameda_weiner_process::h3cf7ef7fa0ac77ff
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nfa/algos/kameda_weiner/algo.rs:138:5
[INFO] [stdout]   23:     0x560760bbafc8 - autour_core::nfa::algos::kameda_weiner::algo::tests::states_map_test1::h1ceb6e1020b24685
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nfa/algos/kameda_weiner/algo.rs:277:9
[INFO] [stdout]   24:     0x560760bbab77 - autour_core::nfa::algos::kameda_weiner::algo::tests::states_map_test1::{{closure}}::hc81a5f774c6a3e62
[INFO] [stdout]                                at /opt/rustwide/workdir/src/nfa/algos/kameda_weiner/algo.rs:271:26
[INFO] [stdout]   25:     0x560760bcf376 - core::ops::function::FnOnce::call_once::heae2745940e73ec4
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x560760c2142f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x560760c2142f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   28:     0x560760c201b1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   29:     0x560760c201b1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x560760c201b1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   31:     0x560760c201b1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x560760c201b1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x560760c201b1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   34:     0x560760c201b1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   35:     0x560760be74e6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   36:     0x560760be74e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   37:     0x560760bec547 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   38:     0x560760bec547 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x560760bec547 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   40:     0x560760bec547 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   41:     0x560760bec547 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   42:     0x560760bec547 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   43:     0x560760bec547 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x560760c6c595 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   45:     0x560760c6c595 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   46:     0x560760c6c595 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f7483037ac3 - <unknown>
[INFO] [stdout]   48:     0x7f74830c8bf4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     nfa::algos::kameda_weiner::algo::tests::states_map_test1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "87d7635e67a93586ce993618390820efc498b505f478ce734c9432ee7baffb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d7635e67a93586ce993618390820efc498b505f478ce734c9432ee7baffb0e", kill_on_drop: false }`
[INFO] [stdout] 87d7635e67a93586ce993618390820efc498b505f478ce734c9432ee7baffb0e
