[INFO] fetching crate autour_core 0.1.1...
[INFO] testing autour_core-0.1.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate autour_core 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate autour_core 0.1.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autour_core 0.1.1
[INFO] finished tweaking crates.io crate autour_core 0.1.1
[INFO] tweaked toml for crates.io crate autour_core 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded graphviz_dot_builder v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2c8be7c0d53cd00674b6c41bd4509a1c2c3e483f9b6dd98e11243cb30eed2e2
[INFO] running `Command { std: "docker" "start" "-a" "d2c8be7c0d53cd00674b6c41bd4509a1c2c3e483f9b6dd98e11243cb30eed2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2c8be7c0d53cd00674b6c41bd4509a1c2c3e483f9b6dd98e11243cb30eed2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c8be7c0d53cd00674b6c41bd4509a1c2c3e483f9b6dd98e11243cb30eed2e2", kill_on_drop: false }`
[INFO] [stdout] d2c8be7c0d53cd00674b6c41bd4509a1c2c3e483f9b6dd98e11243cb30eed2e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 799276dc3b9a4231aefaad7322ad8b70a296483a0305cb745ca9c884cc47bb70
[INFO] running `Command { std: "docker" "start" "-a" "799276dc3b9a4231aefaad7322ad8b70a296483a0305cb745ca9c884cc47bb70", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling graphviz_dot_builder v0.1.2
[INFO] [stderr]    Compiling autour_core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/ere/term.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 unimplemented!("to implement need to check intersection empty");
[INFO] [stdout]    |                 --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 83 |                 sub_terms.iter().any(|t| t.is_empty())
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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]    = note: `#[warn(unused_variables)]` on by default
[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: 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: 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: 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: 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: unused variable: `sub_terms`
[INFO] [stdout]   --> src/ere/term.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |             TermERE::Intersection(sub_terms) => {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_term`
[INFO] [stdout]   --> src/ere/term.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             TermERE::Negation(sub_term) => {
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[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: 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: 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: 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: 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: 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: 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 `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]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "799276dc3b9a4231aefaad7322ad8b70a296483a0305cb745ca9c884cc47bb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799276dc3b9a4231aefaad7322ad8b70a296483a0305cb745ca9c884cc47bb70", kill_on_drop: false }`
[INFO] [stdout] 799276dc3b9a4231aefaad7322ad8b70a296483a0305cb745ca9c884cc47bb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09544937fbe8bdb2d8961314950f077a9623c1b71e68d6a5619ba6e9b694383
[INFO] running `Command { std: "docker" "start" "-a" "d09544937fbe8bdb2d8961314950f077a9623c1b71e68d6a5619ba6e9b694383", kill_on_drop: false }`
[INFO] [stderr]    Compiling autour_core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/ere/term.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 unimplemented!("to implement need to check intersection empty");
[INFO] [stdout]    |                 --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 83 |                 sub_terms.iter().any(|t| t.is_empty())
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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]    = note: `#[warn(unused_variables)]` on by default
[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: 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: 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: 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: 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: unused variable: `sub_terms`
[INFO] [stdout]   --> src/ere/term.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |             TermERE::Intersection(sub_terms) => {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_term`
[INFO] [stdout]   --> src/ere/term.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             TermERE::Negation(sub_term) => {
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[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: 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: 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: 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: 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: 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: 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 `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]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/ere/term.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 unimplemented!("to implement need to check intersection empty");
[INFO] [stdout]    |                 --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 83 |                 sub_terms.iter().any(|t| t.is_empty())
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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]    = note: `#[warn(unused_variables)]` on by default
[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: 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: 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: 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: 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: unused variable: `sub_terms`
[INFO] [stdout]   --> src/ere/term.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |             TermERE::Intersection(sub_terms) => {
[INFO] [stdout]    |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_terms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_term`
[INFO] [stdout]   --> src/ere/term.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             TermERE::Negation(sub_term) => {
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[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: 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: 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: 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: 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: 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: 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 `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]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "d09544937fbe8bdb2d8961314950f077a9623c1b71e68d6a5619ba6e9b694383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09544937fbe8bdb2d8961314950f077a9623c1b71e68d6a5619ba6e9b694383", kill_on_drop: false }`
[INFO] [stdout] d09544937fbe8bdb2d8961314950f077a9623c1b71e68d6a5619ba6e9b694383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10d789288c664d39bcb9685b8f706d75dc2e0f473c1e48ca514532a68e4414d6
[INFO] running `Command { std: "docker" "start" "-a" "10d789288c664d39bcb9685b8f706d75dc2e0f473c1e48ca514532a68e4414d6", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/ere/term.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 unimplemented!("to implement need to check intersection empty");
[INFO] [stderr]    |                 --------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 83 |                 sub_terms.iter().any(|t| t.is_empty())
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` 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]    = note: `#[warn(unused_variables)]` on by default
[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: 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: 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: 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: 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: unused variable: `sub_terms`
[INFO] [stderr]   --> src/ere/term.rs:81:35
[INFO] [stderr]    |
[INFO] [stderr] 81 |             TermERE::Intersection(sub_terms) => {
[INFO] [stderr]    |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_terms`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_term`
[INFO] [stderr]   --> src/ere/term.rs:85:31
[INFO] [stderr]    |
[INFO] [stderr] 85 |             TermERE::Negation(sub_term) => {
[INFO] [stderr]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_term`
[INFO] [stderr] 
[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: 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: 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: 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: 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: 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: 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 `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]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `autour_core` (lib) generated 24 warnings (run `cargo fix --lib -p autour_core` to apply 20 suggestions)
[INFO] [stderr] warning: `autour_core` (lib test) generated 24 warnings (24 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/autour_core-816d69f1a6d20bc9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests autour_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10d789288c664d39bcb9685b8f706d75dc2e0f473c1e48ca514532a68e4414d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d789288c664d39bcb9685b8f706d75dc2e0f473c1e48ca514532a68e4414d6", kill_on_drop: false }`
[INFO] [stdout] 10d789288c664d39bcb9685b8f706d75dc2e0f473c1e48ca514532a68e4414d6
