[INFO] cloning repository https://github.com/kmakeev/puzzle15rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmakeev/puzzle15rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a0a1577f752888a68360bf2d818b46b2513cdd5
[INFO] testing kmakeev/puzzle15rust against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmakeev%2Fpuzzle15rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmakeev/puzzle15rust on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kmakeev/puzzle15rust
[INFO] finished tweaking git repo https://github.com/kmakeev/puzzle15rust
[INFO] tweaked toml for git repo https://github.com/kmakeev/puzzle15rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kmakeev/puzzle15rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f902c19c6ec18af1d170f77119c959183fdb320beb50231d1fee0a17bee73507
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f902c19c6ec18af1d170f77119c959183fdb320beb50231d1fee0a17bee73507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f902c19c6ec18af1d170f77119c959183fdb320beb50231d1fee0a17bee73507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f902c19c6ec18af1d170f77119c959183fdb320beb50231d1fee0a17bee73507", kill_on_drop: false }`
[INFO] [stdout] f902c19c6ec18af1d170f77119c959183fdb320beb50231d1fee0a17bee73507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f42a62405270c8c4429590efcd6a082296a2a003bd74efdb6ede467162d5d56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f42a62405270c8c4429590efcd6a082296a2a003bd74efdb6ede467162d5d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/puzzle.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/puzzle.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k1`
[INFO] [stdout]    --> src/puzzle.rs:195:44
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k2`
[INFO] [stdout]    --> src/puzzle.rs:195:53
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stdout]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_k2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/puzzle.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let mut val = vec![];
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/puzzle.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let (key, value) = best.unwrap();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/puzzle.rs:193:61
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn get_best_step(& self, map: & HashMap<Vec<i8>, Step>, f: u32) -> Vec<i8> {
[INFO] [stdout]     |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k1`
[INFO] [stdout]    --> src/puzzle.rs:203:50
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let result = map.par_iter().find_first(|(k1, s1)| (s1.hash_current == hash));
[INFO] [stdout]     |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/puzzle.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let mut val = vec![];
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/puzzle.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let (key, value) = result.unwrap();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/puzzle.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let h:i8 = self.size_h;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/puzzle.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let v:i8 = self.size_v;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]    --> src/puzzle.rs:218:14
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let (cost, h) = self.cost(self.start.clone());
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/puzzle.rs:245:26
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     Some(result) => {continue},
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/puzzle.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/puzzle.rs:335:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzle.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let mut pos = pos_opt.unwrap() as i8;
[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/puzzle.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let mut now = SystemTime::now();
[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/puzzle.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let mut val = self.get_best_step(&h_open_sets, f);
[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/puzzle.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |                     let mut val = self.get_by_hash(&mut h_close_sets, prev.hash_prev);
[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/puzzle.rs:448:25
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     let mut v: i8 = (((*j-1) / self.size_v) - (c as i8 / self.size_v)).abs();
[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/puzzle.rs:449:25
[INFO] [stdout]     |
[INFO] [stdout] 449 |                     let mut h: i8 = (((*j-1) % self.size_h) - (c as i8 % self.size_h)).abs();
[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/puzzle.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |                 let mut position1: i8;
[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/puzzle.rs:471:21
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 let mut position2: i8;
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count_solutions` is never read
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut count_solutions:i32 = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Err(n) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Err(n) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Err(n) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   Ok(t) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     Ok(t) => {println!();
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut size_h:i8;
[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/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut size_v:i8;
[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/main.rs:131:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |                         let mut result:i8 = match set {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.20s
[INFO] running `Command { std: "docker" "inspect" "9f42a62405270c8c4429590efcd6a082296a2a003bd74efdb6ede467162d5d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f42a62405270c8c4429590efcd6a082296a2a003bd74efdb6ede467162d5d56", kill_on_drop: false }`
[INFO] [stdout] 9f42a62405270c8c4429590efcd6a082296a2a003bd74efdb6ede467162d5d56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b380f62e22b42b35aa6eb18b401b3f097ea17124be8b3d2514130859f2fc2e18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b380f62e22b42b35aa6eb18b401b3f097ea17124be8b3d2514130859f2fc2e18", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/puzzle.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/puzzle.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k1`
[INFO] [stdout]    --> src/puzzle.rs:195:44
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k2`
[INFO] [stdout]    --> src/puzzle.rs:195:53
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stdout]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_k2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/puzzle.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let mut val = vec![];
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/puzzle.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let (key, value) = best.unwrap();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/puzzle.rs:193:61
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn get_best_step(& self, map: & HashMap<Vec<i8>, Step>, f: u32) -> Vec<i8> {
[INFO] [stdout]     |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k1`
[INFO] [stdout]    --> src/puzzle.rs:203:50
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let result = map.par_iter().find_first(|(k1, s1)| (s1.hash_current == hash));
[INFO] [stdout]     |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/puzzle.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let mut val = vec![];
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/puzzle.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let (key, value) = result.unwrap();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/puzzle.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let h:i8 = self.size_h;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/puzzle.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let v:i8 = self.size_v;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]    --> src/puzzle.rs:218:14
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let (cost, h) = self.cost(self.start.clone());
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/puzzle.rs:245:26
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     Some(result) => {continue},
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/puzzle.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/puzzle.rs:335:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzle.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let mut pos = pos_opt.unwrap() as i8;
[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/puzzle.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let mut now = SystemTime::now();
[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/puzzle.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let mut val = self.get_best_step(&h_open_sets, f);
[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/puzzle.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |                     let mut val = self.get_by_hash(&mut h_close_sets, prev.hash_prev);
[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/puzzle.rs:448:25
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     let mut v: i8 = (((*j-1) / self.size_v) - (c as i8 / self.size_v)).abs();
[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/puzzle.rs:449:25
[INFO] [stdout]     |
[INFO] [stdout] 449 |                     let mut h: i8 = (((*j-1) % self.size_h) - (c as i8 % self.size_h)).abs();
[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/puzzle.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |                 let mut position1: i8;
[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/puzzle.rs:471:21
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 let mut position2: i8;
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count_solutions` is never read
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut count_solutions:i32 = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Err(n) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Err(n) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Err(n) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   Ok(t) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     Ok(t) => {println!();
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut size_h:i8;
[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/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut size_v:i8;
[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/main.rs:131:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |                         let mut result:i8 = match set {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/puzzle.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/puzzle.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count_solutions` is never read
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut count_solutions:i32 = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Err(n) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Err(n) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             Err(n) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   Ok(t) => {}
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     Ok(t) => {println!();
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut size_h:i8;
[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/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut size_v:i8;
[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/main.rs:131:29
[INFO] [stdout]     |
[INFO] [stdout] 131 |                         let mut result:i8 = match set {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k1`
[INFO] [stdout]    --> src/puzzle.rs:195:44
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k2`
[INFO] [stdout]    --> src/puzzle.rs:195:53
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stdout]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_k2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/puzzle.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let mut val = vec![];
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/puzzle.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let (key, value) = best.unwrap();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/puzzle.rs:193:61
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn get_best_step(& self, map: & HashMap<Vec<i8>, Step>, f: u32) -> Vec<i8> {
[INFO] [stdout]     |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k1`
[INFO] [stdout]    --> src/puzzle.rs:203:50
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let result = map.par_iter().find_first(|(k1, s1)| (s1.hash_current == hash));
[INFO] [stdout]     |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `val` is never read
[INFO] [stdout]    --> src/puzzle.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let mut val = vec![];
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/puzzle.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let (key, value) = result.unwrap();
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/puzzle.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let h:i8 = self.size_h;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/puzzle.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let v:i8 = self.size_v;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]    --> src/puzzle.rs:218:14
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let (cost, h) = self.cost(self.start.clone());
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/puzzle.rs:245:26
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     Some(result) => {continue},
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/puzzle.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/puzzle.rs:335:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzle.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let mut pos = pos_opt.unwrap() as i8;
[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/puzzle.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let mut now = SystemTime::now();
[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/puzzle.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let mut val = self.get_best_step(&h_open_sets, f);
[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/puzzle.rs:236:25
[INFO] [stdout]     |
[INFO] [stdout] 236 |                     let mut val = self.get_by_hash(&mut h_close_sets, prev.hash_prev);
[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/puzzle.rs:448:25
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     let mut v: i8 = (((*j-1) / self.size_v) - (c as i8 / self.size_v)).abs();
[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/puzzle.rs:449:25
[INFO] [stdout]     |
[INFO] [stdout] 449 |                     let mut h: i8 = (((*j-1) % self.size_h) - (c as i8 % self.size_h)).abs();
[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/puzzle.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |                 let mut position1: i8;
[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/puzzle.rs:471:21
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 let mut position2: i8;
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "b380f62e22b42b35aa6eb18b401b3f097ea17124be8b3d2514130859f2fc2e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b380f62e22b42b35aa6eb18b401b3f097ea17124be8b3d2514130859f2fc2e18", kill_on_drop: false }`
[INFO] [stdout] b380f62e22b42b35aa6eb18b401b3f097ea17124be8b3d2514130859f2fc2e18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65b77d0951b0b3149a221ba11c6b932bd0012187ee6a95a06dca9a217dda98bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "65b77d0951b0b3149a221ba11c6b932bd0012187ee6a95a06dca9a217dda98bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time`
[INFO] [stderr]  --> src/puzzle.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/puzzle.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k1`
[INFO] [stderr]    --> src/puzzle.rs:195:44
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stderr]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k2`
[INFO] [stderr]    --> src/puzzle.rs:195:53
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stderr]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_k2`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/puzzle.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut val = vec![];
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/puzzle.rs:196:19
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let (key, value) = best.unwrap();
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/puzzle.rs:193:61
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn get_best_step(& self, map: & HashMap<Vec<i8>, Step>, f: u32) -> Vec<i8> {
[INFO] [stderr]     |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k1`
[INFO] [stderr]    --> src/puzzle.rs:203:50
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let result = map.par_iter().find_first(|(k1, s1)| (s1.hash_current == hash));
[INFO] [stderr]     |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/puzzle.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let mut val = vec![];
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/puzzle.rs:204:19
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let (key, value) = result.unwrap();
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/puzzle.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let h:i8 = self.size_h;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/puzzle.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let v:i8 = self.size_v;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cost`
[INFO] [stderr]    --> src/puzzle.rs:218:14
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let (cost, h) = self.cost(self.start.clone());
[INFO] [stderr]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/puzzle.rs:245:26
[INFO] [stderr]     |
[INFO] [stderr] 245 |                     Some(result) => {continue},
[INFO] [stderr]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]    --> src/puzzle.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]    --> src/puzzle.rs:335:17
[INFO] [stderr]     |
[INFO] [stderr] 335 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/puzzle.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let mut pos = pos_opt.unwrap() as i8;
[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/puzzle.rs:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |             let mut now = SystemTime::now();
[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/puzzle.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let mut val = self.get_best_step(&h_open_sets, f);
[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/puzzle.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |                     let mut val = self.get_by_hash(&mut h_close_sets, prev.hash_prev);
[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/puzzle.rs:448:25
[INFO] [stderr]     |
[INFO] [stderr] 448 |                     let mut v: i8 = (((*j-1) / self.size_v) - (c as i8 / self.size_v)).abs();
[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/puzzle.rs:449:25
[INFO] [stderr]     |
[INFO] [stderr] 449 |                     let mut h: i8 = (((*j-1) % self.size_h) - (c as i8 % self.size_h)).abs();
[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/puzzle.rs:470:21
[INFO] [stderr]     |
[INFO] [stderr] 470 |                 let mut position1: i8;
[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/puzzle.rs:471:21
[INFO] [stderr]     |
[INFO] [stderr] 471 |                 let mut position2: i8;
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `count_solutions` is never read
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut count_solutions:i32 = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         Err(n) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Err(n) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Err(n) => {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:146:32
[INFO] [stderr]     |
[INFO] [stderr] 146 | ...                   Ok(t) => {}
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:155:24
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     Ok(t) => {println!();
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut size_h:i8;
[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/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut size_v:i8;
[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/main.rs:131:29
[INFO] [stderr]     |
[INFO] [stderr] 131 |                         let mut result:i8 = match set {
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `count_solutions` is never read
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut count_solutions:i32 = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         Err(n) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Err(n) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Err(n) => {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:146:32
[INFO] [stderr]     |
[INFO] [stderr] 146 | ...                   Ok(t) => {}
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/main.rs:155:24
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     Ok(t) => {println!();
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut size_h:i8;
[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/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut size_v:i8;
[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/main.rs:131:29
[INFO] [stderr]     |
[INFO] [stderr] 131 |                         let mut result:i8 = match set {
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time`
[INFO] [stderr]  --> src/puzzle.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/puzzle.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k1`
[INFO] [stderr]    --> src/puzzle.rs:195:44
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stderr]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k2`
[INFO] [stderr]    --> src/puzzle.rs:195:53
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let best = map.par_iter().min_by(|(k1, s1),(k2,s2)| (s1.set.f.cmp(&s2.set.f)));
[INFO] [stderr]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_k2`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/puzzle.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut val = vec![];
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/puzzle.rs:196:19
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let (key, value) = best.unwrap();
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/puzzle.rs:193:61
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn get_best_step(& self, map: & HashMap<Vec<i8>, Step>, f: u32) -> Vec<i8> {
[INFO] [stderr]     |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k1`
[INFO] [stderr]    --> src/puzzle.rs:203:50
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let result = map.par_iter().find_first(|(k1, s1)| (s1.hash_current == hash));
[INFO] [stderr]     |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_k1`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/puzzle.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let mut val = vec![];
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/puzzle.rs:204:19
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let (key, value) = result.unwrap();
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/puzzle.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let h:i8 = self.size_h;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/puzzle.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let v:i8 = self.size_v;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cost`
[INFO] [stderr]    --> src/puzzle.rs:218:14
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let (cost, h) = self.cost(self.start.clone());
[INFO] [stderr]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/puzzle.rs:245:26
[INFO] [stderr]     |
[INFO] [stderr] 245 |                     Some(result) => {continue},
[INFO] [stderr]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]    --> src/puzzle.rs:286:17
[INFO] [stderr]     |
[INFO] [stderr] 286 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]    --> src/puzzle.rs:335:17
[INFO] [stderr]     |
[INFO] [stderr] 335 |             let mut tmp: Vec<i8> = vec![];
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/puzzle.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let mut pos = pos_opt.unwrap() as i8;
[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/puzzle.rs:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |             let mut now = SystemTime::now();
[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/puzzle.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let mut val = self.get_best_step(&h_open_sets, f);
[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/puzzle.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |                     let mut val = self.get_by_hash(&mut h_close_sets, prev.hash_prev);
[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/puzzle.rs:448:25
[INFO] [stderr]     |
[INFO] [stderr] 448 |                     let mut v: i8 = (((*j-1) / self.size_v) - (c as i8 / self.size_v)).abs();
[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/puzzle.rs:449:25
[INFO] [stderr]     |
[INFO] [stderr] 449 |                     let mut h: i8 = (((*j-1) % self.size_h) - (c as i8 % self.size_h)).abs();
[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/puzzle.rs:470:21
[INFO] [stderr]     |
[INFO] [stderr] 470 |                 let mut position1: i8;
[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/puzzle.rs:471:21
[INFO] [stderr]     |
[INFO] [stderr] 471 |                 let mut position2: i8;
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/puzzle-6b0fc57f21306d66
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/puzzle-842238bb3ed4f3ac
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-092b717f77afa319
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test it_check_column_conflict_test ... ok
[INFO] [stdout] test it_new_puzzle ... ok
[INFO] [stdout] test it_cost_test ... ok
[INFO] [stdout] test it_check_linear_conflict_test ... ok
[INFO] [stdout] test it_get_points ... ok
[INFO] [stdout] test it_set_puzzle ... ok
[INFO] [stdout] test it_generate_puzzle ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stdout] test it_get_states ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test it_search_all_sets_test ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stdout] test it_search_sets_test ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `internal::Local` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr]    0:     0x55e9e7c77970 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55e9e7c77970 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e9e7c77970 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55e9e7c77970 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55e9e7c99d8c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55e9e7c73dc2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55e9e7c79e9d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55e9e7c79e9d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55e9e7c79e9d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55e9e7c79b48 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55e9e7c7a581 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55e9e7c7a129 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x55e9e7c77dfc - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55e9e7c7a0e9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x55e9e7c98661 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]   15:     0x55e9e7c985ad - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stderr]   16:     0x55e9e7c38a19 - core::mem::uninitialized::hce292f6c8f0a768a
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658
[INFO] [stderr]   17:     0x55e9e7c38a19 - <crossbeam_epoch::internal::Local as crossbeam_epoch::sync::list::IsElement<crossbeam_epoch::internal::Local>>::entry_of::h7e850005036e7b76
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/internal.rs:493
[INFO] [stderr]   18:     0x55e9e7c3fd93 - crossbeam_epoch::sync::list::List<T,C>::insert::h413089d8f181e6a4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/sync/list.rs:176
[INFO] [stderr]   19:     0x55e9e7c37a44 - crossbeam_epoch::internal::Local::register::ha6daee099e5e37c0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/internal.rs:291
[INFO] [stderr]   20:     0x55e9e7c40c3e - crossbeam_epoch::collector::Collector::register::h6d97a813e1e4556e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/collector.rs:39
[INFO] [stderr]   21:     0x55e9e7c3d234 - crossbeam_epoch::default::HANDLE::__init::hed9ca0e34c65e28c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/default.rs:17
[INFO] [stderr]   22:     0x55e9e7c3b889 - core::ops::function::FnOnce::call_once::hbec098b33ad7bde7
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   23:     0x55e9e7c422dc - std::thread::local::lazy::LazyKeyInner<T>::initialize::he924a3a620e7cfed
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:304
[INFO] [stderr]   24:     0x55e9e7c3e3ad - std::thread::local::fast::Key<T>::try_initialize::h829d88424b04c441
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:473
[INFO] [stderr]   25:     0x55e9e7c3e4f7 - std::thread::local::fast::Key<T>::get::hb12ea5fc5b07dc13
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:456
[INFO] [stderr]   26:     0x55e9e7c3d26d - crossbeam_epoch::default::HANDLE::__getit::hf3bd7d7d6588e891
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:183
[INFO] [stderr]   27:     0x55e9e7c1a5c5 - std::thread::local::LocalKey<T>::try_with::h5a835ce18c91dcf5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:271
[INFO] [stderr]   28:     0x55e9e7c22323 - crossbeam_epoch::default::with_handle::h120fbd5b8ccd70ae
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/default.rs:42
[INFO] [stderr]   29:     0x55e9e7c2260a - crossbeam_epoch::default::is_pinned::h53c107271f7733f1
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/default.rs:29
[INFO] [stderr]   30:     0x55e9e7c2ee32 - crossbeam_deque::Stealer<T>::steal::h80c17ec6f2152a13
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.6.3/src/lib.rs:660
[INFO] [stderr]   31:     0x55e9e7c118ca - rayon_core::registry::WorkerThread::steal::{{closure}}::h4ab56e7cb601c167
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:764
[INFO] [stderr]   32:     0x55e9e7c0e95b - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::haa13eaf3a7ffe8bb
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:269
[INFO] [stderr]   33:     0x55e9e7c1c7e1 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::h9e7ed12310545102
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:2261
[INFO] [stderr]   34:     0x55e9e7c1f805 - core::iter::adapters::filter_try_fold::{{closure}}::h4093a3557e604f3f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1078
[INFO] [stderr]   35:     0x55e9e7c1f0fc - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h266808d0946a5004
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:269
[INFO] [stderr]   36:     0x55e9e7c17684 - core::iter::traits::iterator::Iterator::try_fold::haa42536a274af426
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:1888
[INFO] [stderr]   37:     0x55e9e7c21e23 - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::hfe032163327ec5ff
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/chain.rs:105
[INFO] [stderr]   38:     0x55e9e7c1ea56 - <core::iter::adapters::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::h2f010d57ff3a4e3c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1127
[INFO] [stderr]   39:     0x55e9e7c1f481 - core::iter::traits::iterator::Iterator::find_map::h3848bdbb31d1db99
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:2267
[INFO] [stderr]   40:     0x55e9e7c1eac6 - <core::iter::adapters::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::h9a6d55521f46558e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1245
[INFO] [stderr]   41:     0x55e9e7c117f8 - rayon_core::registry::WorkerThread::steal::hc509e6c5609ac959
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:758
[INFO] [stderr]   42:     0x55e9e7c11522 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::hae22cb4772f6f764
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:714
[INFO] [stderr]   43:     0x55e9e7c29bdf - core::option::Option<T>::or_else::hf2ff362a83aa97ea
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:752
[INFO] [stderr]   44:     0x55e9e7c10e17 - rayon_core::registry::WorkerThread::wait_until_cold::h5919598cb583c844
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:712
[INFO] [stderr]   45:     0x55e9e7c10d2b - rayon_core::registry::WorkerThread::wait_until::hdd76fdd57c3d16d8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:692
[INFO] [stderr]   46:     0x55e9e7c11e3d - rayon_core::registry::main_loop::h978478f526ede2df
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:812
[INFO] [stderr]   47:     0x55e9e7c0ec70 - rayon_core::registry::ThreadBuilder::run::h120ed80b9e2975ce
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:58
[INFO] [stderr]   48:     0x55e9e7c0f1f1 - <rayon_core::registry::DefaultSpawn as rayon_core::registry::ThreadSpawn>::spawn::{{closure}}::hb754cd2cf1c55976
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:103
[INFO] [stderr]   49:     0x55e9e7c22ac5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h87b57c2e0d17e190
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   50:     0x55e9e7c27351 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heb1f4f8d0b0a1237
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   51:     0x55e9e7c262d1 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc055ee73e05610ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   52:     0x55e9e7c15ae2 - std::panicking::try::do_call::hf3ff83ba784db15e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   53:     0x55e9e7c16cfd - __rust_try
[INFO] [stderr]   54:     0x55e9e7c15804 - std::panicking::try::h6d3447868c03c5af
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   55:     0x55e9e7c26783 - std::panic::catch_unwind::h6229f2fc3ee8c1e2
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   56:     0x55e9e7c27141 - std::thread::Builder::spawn_unchecked::{{closure}}::he5df91b9e24c3ec5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   57:     0x55e9e7c1acaf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84abc528dae5f6e6
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   58:     0x55e9e7c806ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   59:     0x55e9e7c806ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   60:     0x55e9e7c806ea - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   61:     0x7fc0086d7609 - start_thread
[INFO] [stderr]   62:     0x7fc008962103 - clone
[INFO] [stderr]   63:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e9e7c77970 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55e9e7c77970 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e9e7c77970 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55e9e7c77970 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55e9e7c99d8c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55e9e7c73dc2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55e9e7c79e9d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55e9e7c79e9d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55e9e7c79e9d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55e9e7c79b48 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55e9e7c7a581 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55e9e7c7a129 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x55e9e7c77dfc - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55e9e7c7a0e9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x55e9e7c98661 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]   15:     0x55e9e7c985ad - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stderr]   16:     0x55e9e7c38a19 - core::mem::uninitialized::hce292f6c8f0a768a
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658
[INFO] [stderr]   17:     0x55e9e7c38a19 - <crossbeam_epoch::internal::Local as crossbeam_epoch::sync::list::IsElement<crossbeam_epoch::internal::Local>>::entry_of::h7e850005036e7b76
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/internal.rs:493
[INFO] [stderr]   18:     0x55e9e7c3fd93 - crossbeam_epoch::sync::list::List<T,C>::insert::h413089d8f181e6a4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/sync/list.rs:176
[INFO] [stderr]   19:     0x55e9e7c37a44 - crossbeam_epoch::internal::Local::register::ha6daee099e5e37c0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/internal.rs:291
[INFO] [stderr]   20:     0x55e9e7c40c3e - crossbeam_epoch::collector::Collector::register::h6d97a813e1e4556e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/collector.rs:39
[INFO] [stderr]   21:     0x55e9e7c3d234 - crossbeam_epoch::default::HANDLE::__init::hed9ca0e34c65e28c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/default.rs:17
[INFO] [stderr]   22:     0x55e9e7c3b889 - core::ops::function::FnOnce::call_once::hbec098b33ad7bde7
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   23:     0x55e9e7c422dc - std::thread::local::lazy::LazyKeyInner<T>::initialize::he924a3a620e7cfed
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:304
[INFO] [stderr]   24:     0x55e9e7c3e3ad - std::thread::local::fast::Key<T>::try_initialize::h829d88424b04c441
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:473
[INFO] [stderr]   25:     0x55e9e7c3e4f7 - std::thread::local::fast::Key<T>::get::hb12ea5fc5b07dc13
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:456
[INFO] [stderr]   26:     0x55e9e7c3d26d - crossbeam_epoch::default::HANDLE::__getit::hf3bd7d7d6588e891
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:183
[INFO] [stderr]   27:     0x55e9e7c1a5c5 - std::thread::local::LocalKey<T>::try_with::h5a835ce18c91dcf5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:271
[INFO] [stderr]   28:     0x55e9e7c22323 - crossbeam_epoch::default::with_handle::h120fbd5b8ccd70ae
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/default.rs:42
[INFO] [stderr]   29:     0x55e9e7c2260a - crossbeam_epoch::default::is_pinned::h53c107271f7733f1
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.7.1/src/default.rs:29
[INFO] [stderr]   30:     0x55e9e7c2ee32 - crossbeam_deque::Stealer<T>::steal::h80c17ec6f2152a13
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.6.3/src/lib.rs:660
[INFO] [stderr]   31:     0x55e9e7c118ca - rayon_core::registry::WorkerThread::steal::{{closure}}::h4ab56e7cb601c167
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:764
[INFO] [stderr]   32:     0x55e9e7c0e95b - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::haa13eaf3a7ffe8bb
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:269
[INFO] [stderr]   33:     0x55e9e7c1c7e1 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::h9e7ed12310545102
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:2261
[INFO] [stderr]   34:     0x55e9e7c1f805 - core::iter::adapters::filter_try_fold::{{closure}}::h4093a3557e604f3f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1078
[INFO] [stderr]   35:     0x55e9e7c1f0fc - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h266808d0946a5004
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:269
[INFO] [stderr]   36:     0x55e9e7c17684 - core::iter::traits::iterator::Iterator::try_fold::haa42536a274af426
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:1888
[INFO] [stderr]   37:     0x55e9e7c21e23 - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::hfe032163327ec5ff
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/chain.rs:105
[INFO] [stderr]   38:     0x55e9e7c1ea56 - <core::iter::adapters::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::h2f010d57ff3a4e3c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1127
[INFO] [stderr]   39:     0x55e9e7c1f481 - core::iter::traits::iterator::Iterator::find_map::h3848bdbb31d1db99
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/traits/iterator.rs:2267
[INFO] [stderr]   40:     0x55e9e7c1eac6 - <core::iter::adapters::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::h9a6d55521f46558e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/iter/adapters/mod.rs:1245
[INFO] [stderr]   41:     0x55e9e7c117f8 - rayon_core::registry::WorkerThread::steal::hc509e6c5609ac959
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:758
[INFO] [stderr]   42:     0x55e9e7c11522 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::hae22cb4772f6f764
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:714
[INFO] [stderr]   43:     0x55e9e7c29bdf - core::option::Option<T>::or_else::hf2ff362a83aa97ea
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:752
[INFO] [stderr]   44:     0x55e9e7c10e17 - rayon_core::registry::WorkerThread::wait_until_cold::h5919598cb583c844
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:712
[INFO] [stderr]   45:     0x55e9e7c10d2b - rayon_core::registry::WorkerThread::wait_until::hdd76fdd57c3d16d8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:692
[INFO] [stderr]   46:     0x55e9e7c11e3d - rayon_core::registry::main_loop::h978478f526ede2df
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:812
[INFO] [stderr]   47:     0x55e9e7c0ec70 - rayon_core::registry::ThreadBuilder::run::h120ed80b9e2975ce
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:58
[INFO] [stderr]   48:     0x55e9e7c0f1f1 - <rayon_core::registry::DefaultSpawn as rayon_core::registry::ThreadSpawn>::spawn::{{closure}}::hb754cd2cf1c55976
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.5.0/src/registry.rs:103
[INFO] [stderr]   49:     0x55e9e7c22ac5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h87b57c2e0d17e190
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   50:     0x55e9e7c27351 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heb1f4f8d0b0a1237
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   51:     0x55e9e7c262d1 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc055ee73e05610ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   52:     0x55e9e7c15ae2 - std::panicking::try::do_call::hf3ff83ba784db15e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   53:     0x55e9e7c16cfd - __rust_try
[INFO] [stderr]   54:     0x55e9e7c15804 - std::panicking::try::h6d3447868c03c5af
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   55:     0x55e9e7c26783 - std::panic::catch_unwind::h6229f2fc3ee8c1e2
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   56:     0x55e9e7c27141 - std::thread::Builder::spawn_unchecked::{{closure}}::he5df91b9e24c3ec5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   57:     0x55e9e7c1acaf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84abc528dae5f6e6
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   58:     0x55e9e7c806ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   59:     0x55e9e7c806ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   60:     0x55e9e7c806ea - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   61:     0x7fc0086d7609 - start_thread
[INFO] [stderr]   62:     0x7fc008962103 - clone
[INFO] [stderr]   63:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr] Rayon: detected unexpected panic; aborting
[INFO] [stderr]    0:     0x55e9e7c77970 - std::backtrace_rs::error: test failed, to rerun pass '--test lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/lib-092b717f77afa319` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "65b77d0951b0b3149a221ba11c6b932bd0012187ee6a95a06dca9a217dda98bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b77d0951b0b3149a221ba11c6b932bd0012187ee6a95a06dca9a217dda98bb", kill_on_drop: false }`
[INFO] [stdout] 65b77d0951b0b3149a221ba11c6b932bd0012187ee6a95a06dca9a217dda98bb
