[INFO] cloning repository https://github.com/addisoncrump/parking-game-fuzzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/addisoncrump/parking-game-fuzzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faddisoncrump%2Fparking-game-fuzzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faddisoncrump%2Fparking-game-fuzzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22d939b5c1a2771eaa92471d4738bf761990dee1
[INFO] building addisoncrump/parking-game-fuzzer against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faddisoncrump%2Fparking-game-fuzzer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/addisoncrump/parking-game-fuzzer
[INFO] finished tweaking git repo https://github.com/addisoncrump/parking-game-fuzzer
[INFO] tweaked toml for git repo https://github.com/addisoncrump/parking-game-fuzzer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/addisoncrump/parking-game-fuzzer on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/addisoncrump/parking-game-fuzzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-implement v0.59.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "de03d26335bed0622127202919e50e9e5b7e0b23be162413e5779a7b316f3346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de03d26335bed0622127202919e50e9e5b7e0b23be162413e5779a7b316f3346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de03d26335bed0622127202919e50e9e5b7e0b23be162413e5779a7b316f3346", kill_on_drop: false }`
[INFO] [stdout] de03d26335bed0622127202919e50e9e5b7e0b23be162413e5779a7b316f3346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d2e32cd927ce220b396d1d5e2c0d0c7bbffd675bf71b10dd543884d99c8bc86
[INFO] running `Command { std: "docker" "start" "-a" "0d2e32cd927ce220b396d1d5e2c0d0c7bbffd675bf71b10dd543884d99c8bc86", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling getrandom v0.3.3
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[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
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[INFO] [stderr]    Compiling tuple_list v0.1.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling arbitrary-int v1.3.0
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[INFO] [stderr]    Compiling typed-builder v0.21.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling uds v0.4.2
[INFO] [stderr]    Compiling hostname v0.4.1
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[INFO] [stderr]    Compiling serial_test v3.2.0
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling erased-serde v0.4.6
[INFO] [stderr]    Compiling meminterval v0.4.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling parking-game v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling parking-game-fuzzer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/feedbacks.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 271 |                         todo!("(pt.1) report the ratio of crashes to executions"),
[INFO] [stdout]     |                         --------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 272 |                         AggregatorOps::Avg, // if aggregated, report the average number
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> src/executor.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let (mut state, moves) = (|| {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/executor.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut board = state
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obs`
[INFO] [stdout]    --> src/feedbacks.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn new(obs: &FinalStateObserver<T>) -> Self {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_obs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `observers`
[INFO] [stdout]    --> src/feedbacks.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         observers: &OT,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_observers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `testcase`
[INFO] [stdout]    --> src/feedbacks.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         testcase: &mut Testcase<PGInput>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_testcase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/feedbacks.rs:222:30
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn init_state(&mut self, state: &mut S) -> Result<(), Error> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/feedbacks.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         state: &mut S,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit_kind`
[INFO] [stdout]    --> src/feedbacks.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         exit_kind: &ExitKind,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exit_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crashes`
[INFO] [stdout]    --> src/feedbacks.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let crashes = 0;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_crashes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `executions`
[INFO] [stdout]    --> src/feedbacks.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let executions = 0;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `car`
[INFO] [stdout]   --> src/mutators.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let car = NonZeroUsize::new(
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/mutators.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn mutate(&mut self, state: &mut S, input: &mut PGInput) -> Result<MutationResult, Error> {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/mutators.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn mutate(&mut self, state: &mut S, input: &mut PGInput) -> Result<MutationResult, Error> {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/mutators.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn mutate(&mut self, state: &mut S, input: &mut PGInput) -> Result<MutationResult, Error> {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_state`
[INFO] [stdout]    --> src/observers.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if let Some(final_state) = &self.final_state {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/observers.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let mut hasher = DefaultHasher::new();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/observers.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut offset = match direction {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distance`
[INFO] [stdout]    --> src/observers.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut distance = T::zero();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/observers.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut offset = match direction {
[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/observers.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut distance = T::zero();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzzer`
[INFO] [stdout]   --> src/stages.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fuzzer: &mut Z,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuzzer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `executor`
[INFO] [stdout]   --> src/stages.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         executor: &mut E,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/stages.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         state: &mut S,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/stages.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         manager: &mut EM,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut state = StdState::new(
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `obs` is never read
[INFO] [stdout]   --> src/feedbacks.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct FinalStateFeedback<T> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 95 |     obs: Handle<FinalStateObserver<T>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.35s
[INFO] running `Command { std: "docker" "inspect" "0d2e32cd927ce220b396d1d5e2c0d0c7bbffd675bf71b10dd543884d99c8bc86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2e32cd927ce220b396d1d5e2c0d0c7bbffd675bf71b10dd543884d99c8bc86", kill_on_drop: false }`
[INFO] [stdout] 0d2e32cd927ce220b396d1d5e2c0d0c7bbffd675bf71b10dd543884d99c8bc86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75722a6a39e063761e49196f4f4b11c0998a9a12a481be00ec578e84356feff8
[INFO] running `Command { std: "docker" "start" "-a" "75722a6a39e063761e49196f4f4b11c0998a9a12a481be00ec578e84356feff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking-game-fuzzer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/feedbacks.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 271 |                         todo!("(pt.1) report the ratio of crashes to executions"),
[INFO] [stdout]     |                         --------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 272 |                         AggregatorOps::Avg, // if aggregated, report the average number
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> src/executor.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let (mut state, moves) = (|| {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/executor.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut board = state
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obs`
[INFO] [stdout]    --> src/feedbacks.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn new(obs: &FinalStateObserver<T>) -> Self {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_obs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `observers`
[INFO] [stdout]    --> src/feedbacks.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         observers: &OT,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_observers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `testcase`
[INFO] [stdout]    --> src/feedbacks.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         testcase: &mut Testcase<PGInput>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_testcase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/feedbacks.rs:222:30
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn init_state(&mut self, state: &mut S) -> Result<(), Error> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/feedbacks.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         state: &mut S,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit_kind`
[INFO] [stdout]    --> src/feedbacks.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         exit_kind: &ExitKind,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exit_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crashes`
[INFO] [stdout]    --> src/feedbacks.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let crashes = 0;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_crashes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `executions`
[INFO] [stdout]    --> src/feedbacks.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let executions = 0;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `car`
[INFO] [stdout]   --> src/mutators.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let car = NonZeroUsize::new(
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/mutators.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn mutate(&mut self, state: &mut S, input: &mut PGInput) -> Result<MutationResult, Error> {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/mutators.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn mutate(&mut self, state: &mut S, input: &mut PGInput) -> Result<MutationResult, Error> {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/mutators.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn mutate(&mut self, state: &mut S, input: &mut PGInput) -> Result<MutationResult, Error> {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_state`
[INFO] [stdout]    --> src/observers.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if let Some(final_state) = &self.final_state {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/observers.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let mut hasher = DefaultHasher::new();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/observers.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut offset = match direction {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distance`
[INFO] [stdout]    --> src/observers.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut distance = T::zero();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/observers.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut offset = match direction {
[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/observers.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut distance = T::zero();
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/observers.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let handle = obs.handle();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/observers.rs:395:13
[INFO] [stdout]     |
[INFO] [stdout] 395 |         let handle = obs.handle();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzzer`
[INFO] [stdout]   --> src/stages.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fuzzer: &mut Z,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuzzer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `executor`
[INFO] [stdout]   --> src/stages.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         executor: &mut E,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/stages.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         state: &mut S,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manager`
[INFO] [stdout]   --> src/stages.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         manager: &mut EM,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut state = StdState::new(
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `obs` is never read
[INFO] [stdout]   --> src/feedbacks.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct FinalStateFeedback<T> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 95 |     obs: Handle<FinalStateObserver<T>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "75722a6a39e063761e49196f4f4b11c0998a9a12a481be00ec578e84356feff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75722a6a39e063761e49196f4f4b11c0998a9a12a481be00ec578e84356feff8", kill_on_drop: false }`
[INFO] [stdout] 75722a6a39e063761e49196f4f4b11c0998a9a12a481be00ec578e84356feff8
