[INFO] cloning repository https://github.com/bigoldcat123/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bigoldcat123/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigoldcat123%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigoldcat123%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f10703be26e4f37e6b8e33a0ef1f37c79825e568
[INFO] testing bigoldcat123/rust against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigoldcat123%2Frust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bigoldcat123/rust
[INFO] finished tweaking git repo https://github.com/bigoldcat123/rust
[INFO] tweaked toml for git repo https://github.com/bigoldcat123/rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bigoldcat123/rust on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bigoldcat123/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 263647b2aff69a1b13d1bf0ce873570bf7a10e81243cc6f1d59e29f7d9d03b67
[INFO] running `Command { std: "docker" "start" "-a" "263647b2aff69a1b13d1bf0ce873570bf7a10e81243cc6f1d59e29f7d9d03b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "263647b2aff69a1b13d1bf0ce873570bf7a10e81243cc6f1d59e29f7d9d03b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263647b2aff69a1b13d1bf0ce873570bf7a10e81243cc6f1d59e29f7d9d03b67", kill_on_drop: false }`
[INFO] [stdout] 263647b2aff69a1b13d1bf0ce873570bf7a10e81243cc6f1d59e29f7d9d03b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a5175ffb0feb8b9a5186d6ddba201946c71fd160ed83ace3dcbac61da94c3b
[INFO] running `Command { std: "docker" "start" "-a" "61a5175ffb0feb8b9a5186d6ddba201946c71fd160ed83ace3dcbac61da94c3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling jiff v0.2.10
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling solutions v0.1.0 (/opt/rustwide/workdir/solutions)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4372:37
[INFO] [stdout]      |
[INFO] [stdout] 4372 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4461:37
[INFO] [stdout]      |
[INFO] [stdout] 4461 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4934:31
[INFO] [stdout]      |
[INFO] [stdout] 4934 |                 let r = rand::thread_rng();
[INFO] [stdout]      |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/four.rs:2353:37
[INFO] [stdout]      |
[INFO] [stdout] 2353 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/four.rs:2670:35
[INFO] [stdout]      |
[INFO] [stdout] 2670 |                 let mut r = rand::thread_rng();
[INFO] [stdout]      |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> solutions/src/five.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 let r = rand::thread_rng();
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> solutions/src/five.rs:234:33
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let rng = rand::thread_rng();
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2356:29
[INFO] [stdout]      |
[INFO] [stdout] 2356 |                         rng.gen_range(self.x_center - self.radius..=self.x_center - self.radius);
[INFO] [stdout]      |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2358:29
[INFO] [stdout]      |
[INFO] [stdout] 2358 |                         rng.gen_range(self.y_center - self.radius..=self.y_center + self.radius);
[INFO] [stdout]      |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2672:27
[INFO] [stdout]      |
[INFO] [stdout] 2672 |                 let x = r.gen_range(self.rects[0].0.0..=self.rects[0].0.1);
[INFO] [stdout]      |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2673:27
[INFO] [stdout]      |
[INFO] [stdout] 2673 |                 let y = r.gen_range(self.rects[0].1.0..=self.rects[1].0.1);
[INFO] [stdout]      |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> solutions/src/five.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 let idx = self.r.gen_range(0..x.len());
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> solutions/src/five.rs:250:36
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let idx = self.rng.gen_range(0..self.len);
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4373:31
[INFO] [stdout]      |
[INFO] [stdout] 4373 |                 let idx = rng.gen_range(0..(self.list.len()));
[INFO] [stdout]      |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4465:40
[INFO] [stdout]      |
[INFO] [stdout] 4465 |                     let next_idx = rng.gen_range(0..self.list.len() - current_len);
[INFO] [stdout]      |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4940:36
[INFO] [stdout]      |
[INFO] [stdout] 4940 |                     let e = self.r.gen_range(0..vec.len());
[INFO] [stdout]      |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]     --> solutions/src/lib.rs:4228:15
[INFO] [stdout]      |
[INFO] [stdout] 4228 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]      |               ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.14s
[INFO] running `Command { std: "docker" "inspect" "61a5175ffb0feb8b9a5186d6ddba201946c71fd160ed83ace3dcbac61da94c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a5175ffb0feb8b9a5186d6ddba201946c71fd160ed83ace3dcbac61da94c3b", kill_on_drop: false }`
[INFO] [stdout] 61a5175ffb0feb8b9a5186d6ddba201946c71fd160ed83ace3dcbac61da94c3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e37429d12334ccc8c819d758bb55f1f2a02f73d2ac52fc49c5ea71b6fafad0f
[INFO] running `Command { std: "docker" "start" "-a" "5e37429d12334ccc8c819d758bb55f1f2a02f73d2ac52fc49c5ea71b6fafad0f", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4372:37
[INFO] [stdout]      |
[INFO] [stdout] 4372 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4461:37
[INFO] [stdout]      |
[INFO] [stdout] 4461 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4934:31
[INFO] [stdout]      |
[INFO] [stdout] 4934 |                 let r = rand::thread_rng();
[INFO] [stdout]      |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/four.rs:2353:37
[INFO] [stdout]      |
[INFO] [stdout] 2353 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/four.rs:2670:35
[INFO] [stdout]      |
[INFO] [stdout] 2670 |                 let mut r = rand::thread_rng();
[INFO] [stdout]      |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> solutions/src/five.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 let r = rand::thread_rng();
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> solutions/src/five.rs:234:33
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let rng = rand::thread_rng();
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2356:29
[INFO] [stdout]      |
[INFO] [stdout] 2356 |                         rng.gen_range(self.x_center - self.radius..=self.x_center - self.radius);
[INFO] [stdout]      |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2358:29
[INFO] [stdout]      |
[INFO] [stdout] 2358 |                         rng.gen_range(self.y_center - self.radius..=self.y_center + self.radius);
[INFO] [stdout]      |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2672:27
[INFO] [stdout]      |
[INFO] [stdout] 2672 |                 let x = r.gen_range(self.rects[0].0.0..=self.rects[0].0.1);
[INFO] [stdout]      |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2673:27
[INFO] [stdout]      |
[INFO] [stdout] 2673 |                 let y = r.gen_range(self.rects[0].1.0..=self.rects[1].0.1);
[INFO] [stdout]      |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> solutions/src/five.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 let idx = self.r.gen_range(0..x.len());
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> solutions/src/five.rs:250:36
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let idx = self.rng.gen_range(0..self.len);
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4373:31
[INFO] [stdout]      |
[INFO] [stdout] 4373 |                 let idx = rng.gen_range(0..(self.list.len()));
[INFO] [stdout]      |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4465:40
[INFO] [stdout]      |
[INFO] [stdout] 4465 |                     let next_idx = rng.gen_range(0..self.list.len() - current_len);
[INFO] [stdout]      |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4940:36
[INFO] [stdout]      |
[INFO] [stdout] 4940 |                     let e = self.r.gen_range(0..vec.len());
[INFO] [stdout]      |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling solutions v0.1.0 (/opt/rustwide/workdir/solutions)
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]     --> solutions/src/lib.rs:4228:15
[INFO] [stdout]      |
[INFO] [stdout] 4228 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]      |               ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `Ipv4Addr`, `Ipv6Addr`, `f32::consts::PI`, `future`, `mem`, `rc::Rc`, `str::FromStr`, and `thread`
[INFO] [stdout]  --> solutions/tests/a.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...ap, HashSet, VecDeque}, f32::consts::PI, fs::File, future, io::Write, mem, net::{Ipv4Addr, Ipv6Addr}, rc::Rc, str::FromStr, thread, ti...
[INFO] [stdout]   |        ^^^^^^^             ^^^^^^^^^^^^^^^            ^^^^^^             ^^^        ^^^^^^^^  ^^^^^^^^   ^^^^^^  ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> solutions/tests/a.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     A, TreeNode,
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> solutions/tests/a.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     return;
[INFO] [stdout]     |     ------ any code following this expression is unreachable
[INFO] [stdout] 201 |     let i = Instant::now();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4372:37
[INFO] [stdout]      |
[INFO] [stdout] 4372 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4461:37
[INFO] [stdout]      |
[INFO] [stdout] 4461 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/lib.rs:4934:31
[INFO] [stdout]      |
[INFO] [stdout] 4934 |                 let r = rand::thread_rng();
[INFO] [stdout]      |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/four.rs:2353:37
[INFO] [stdout]      |
[INFO] [stdout] 2353 |                 let mut rng = rand::thread_rng();
[INFO] [stdout]      |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]     --> solutions/src/four.rs:2670:35
[INFO] [stdout]      |
[INFO] [stdout] 2670 |                 let mut r = rand::thread_rng();
[INFO] [stdout]      |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> solutions/src/five.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 let r = rand::thread_rng();
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> solutions/src/five.rs:234:33
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let rng = rand::thread_rng();
[INFO] [stdout]     |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> solutions/tests/a.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |         while let Some(node) = start.pop_front() {}
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> solutions/tests/a.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut next = ((nums[x] + x as i32 + nums.len() as i32) % nums.len() as i32) as usize;
[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]    --> solutions/tests/a.rs:309:30
[INFO] [stdout]     |
[INFO] [stdout] 309 |         fn slide(len: usize, mut map: &mut Vec<i32>, s: &[u8]) -> i32 {
[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]    --> solutions/tests/a.rs:396:26
[INFO] [stdout]     |
[INFO] [stdout] 396 |     fn slide(len: usize, mut map: &mut Vec<i32>, s: &[u8]) -> i32 {
[INFO] [stdout]     |                          ----^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_all_t_sort` is never used
[INFO] [stdout]   --> solutions/tests/a.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn show_all_t_sort(node_num: usize, map: Vec<(usize, usize)>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_max_average` is never used
[INFO] [stdout]    --> solutions/tests/a.rs:247:12
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn find_max_average(nums: Vec<i32>, k: i32) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide` is never used
[INFO] [stdout]    --> solutions/tests/a.rs:396:8
[INFO] [stdout]     |
[INFO] [stdout] 396 |     fn slide(len: usize, mut map: &mut Vec<i32>, s: &[u8]) -> i32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2356:29
[INFO] [stdout]      |
[INFO] [stdout] 2356 |                         rng.gen_range(self.x_center - self.radius..=self.x_center - self.radius);
[INFO] [stdout]      |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2358:29
[INFO] [stdout]      |
[INFO] [stdout] 2358 |                         rng.gen_range(self.y_center - self.radius..=self.y_center + self.radius);
[INFO] [stdout]      |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2672:27
[INFO] [stdout]      |
[INFO] [stdout] 2672 |                 let x = r.gen_range(self.rects[0].0.0..=self.rects[0].0.1);
[INFO] [stdout]      |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/four.rs:2673:27
[INFO] [stdout]      |
[INFO] [stdout] 2673 |                 let y = r.gen_range(self.rects[0].1.0..=self.rects[1].0.1);
[INFO] [stdout]      |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> solutions/src/five.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 let idx = self.r.gen_range(0..x.len());
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> solutions/src/five.rs:250:36
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let idx = self.rng.gen_range(0..self.len);
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4373:31
[INFO] [stdout]      |
[INFO] [stdout] 4373 |                 let idx = rng.gen_range(0..(self.list.len()));
[INFO] [stdout]      |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4465:40
[INFO] [stdout]      |
[INFO] [stdout] 4465 |                     let next_idx = rng.gen_range(0..self.list.len() - current_len);
[INFO] [stdout]      |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]     --> solutions/src/lib.rs:4940:36
[INFO] [stdout]      |
[INFO] [stdout] 4940 |                     let e = self.r.gen_range(0..vec.len());
[INFO] [stdout]      |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `guessNumber` should have a snake case name
[INFO] [stdout]     --> solutions/src/lib.rs:4228:15
[INFO] [stdout]      |
[INFO] [stdout] 4228 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stdout]      |               ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "5e37429d12334ccc8c819d758bb55f1f2a02f73d2ac52fc49c5ea71b6fafad0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e37429d12334ccc8c819d758bb55f1f2a02f73d2ac52fc49c5ea71b6fafad0f", kill_on_drop: false }`
[INFO] [stdout] 5e37429d12334ccc8c819d758bb55f1f2a02f73d2ac52fc49c5ea71b6fafad0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa51047647a110c36e2fc5bd7b9f239e1fd11b46d49e7c518fca5527cdf99d51
[INFO] running `Command { std: "docker" "start" "-a" "fa51047647a110c36e2fc5bd7b9f239e1fd11b46d49e7c518fca5527cdf99d51", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]     --> solutions/src/lib.rs:4372:37
[INFO] [stderr]      |
[INFO] [stderr] 4372 |                 let mut rng = rand::thread_rng();
[INFO] [stderr]      |                                     ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]     --> solutions/src/lib.rs:4461:37
[INFO] [stderr]      |
[INFO] [stderr] 4461 |                 let mut rng = rand::thread_rng();
[INFO] [stderr]      |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]     --> solutions/src/lib.rs:4934:31
[INFO] [stderr]      |
[INFO] [stderr] 4934 |                 let r = rand::thread_rng();
[INFO] [stderr]      |                               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]     --> solutions/src/four.rs:2353:37
[INFO] [stderr]      |
[INFO] [stderr] 2353 |                 let mut rng = rand::thread_rng();
[INFO] [stderr]      |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]     --> solutions/src/four.rs:2670:35
[INFO] [stderr]      |
[INFO] [stderr] 2670 |                 let mut r = rand::thread_rng();
[INFO] [stderr]      |                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> solutions/src/five.rs:148:31
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 let r = rand::thread_rng();
[INFO] [stderr]     |                               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> solutions/src/five.rs:234:33
[INFO] [stderr]     |
[INFO] [stderr] 234 |                 let rng = rand::thread_rng();
[INFO] [stderr]     |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]     --> solutions/src/four.rs:2356:29
[INFO] [stderr]      |
[INFO] [stderr] 2356 |                         rng.gen_range(self.x_center - self.radius..=self.x_center - self.radius);
[INFO] [stderr]      |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]     --> solutions/src/four.rs:2358:29
[INFO] [stderr]      |
[INFO] [stderr] 2358 |                         rng.gen_range(self.y_center - self.radius..=self.y_center + self.radius);
[INFO] [stderr]      |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]     --> solutions/src/four.rs:2672:27
[INFO] [stderr]      |
[INFO] [stderr] 2672 |                 let x = r.gen_range(self.rects[0].0.0..=self.rects[0].0.1);
[INFO] [stderr]      |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]     --> solutions/src/four.rs:2673:27
[INFO] [stderr]      |
[INFO] [stderr] 2673 |                 let y = r.gen_range(self.rects[0].1.0..=self.rects[1].0.1);
[INFO] [stderr]      |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> solutions/src/five.rs:169:34
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 let idx = self.r.gen_range(0..x.len());
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> solutions/src/five.rs:250:36
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 let idx = self.rng.gen_range(0..self.len);
[INFO] [stderr]     |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]     --> solutions/src/lib.rs:4373:31
[INFO] [stderr]      |
[INFO] [stderr] 4373 |                 let idx = rng.gen_range(0..(self.list.len()));
[INFO] [stderr]      |                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]     --> solutions/src/lib.rs:4465:40
[INFO] [stderr]      |
[INFO] [stderr] 4465 |                     let next_idx = rng.gen_range(0..self.list.len() - current_len);
[INFO] [stderr]      |                                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]     --> solutions/src/lib.rs:4940:36
[INFO] [stderr]      |
[INFO] [stderr] 4940 |                     let e = self.r.gen_range(0..vec.len());
[INFO] [stderr]      |                                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `guessNumber` should have a snake case name
[INFO] [stderr]     --> solutions/src/lib.rs:4228:15
[INFO] [stderr]      |
[INFO] [stderr] 4228 |     unsafe fn guessNumber(n: i32) -> i32 {
[INFO] [stderr]      |               ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `solutions` (lib) generated 17 warnings
[INFO] [stderr] warning: `solutions` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr] warning: unused imports: `HashSet`, `Ipv4Addr`, `Ipv6Addr`, `f32::consts::PI`, `future`, `mem`, `rc::Rc`, `str::FromStr`, and `thread`
[INFO] [stderr]  --> solutions/tests/a.rs:2:43
[INFO] [stderr]   |
[INFO] [stderr] 2 | ...ap, HashSet, VecDeque}, f32::consts::PI, fs::File, future, io::Write, mem, net::{Ipv4Addr, Ipv6Addr}, rc::Rc, str::FromStr, thread, ti...
[INFO] [stderr]   |        ^^^^^^^             ^^^^^^^^^^^^^^^            ^^^^^^             ^^^        ^^^^^^^^  ^^^^^^^^   ^^^^^^  ^^^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TreeNode`
[INFO] [stderr]  --> solutions/tests/a.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     A, TreeNode,
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> solutions/tests/a.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     return;
[INFO] [stderr]     |     ------ any code following this expression is unreachable
[INFO] [stderr] 201 |     let i = Instant::now();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> solutions/tests/a.rs:112:24
[INFO] [stderr]     |
[INFO] [stderr] 112 |         while let Some(node) = start.pop_front() {}
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> solutions/tests/a.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let mut next = ((nums[x] + x as i32 + nums.len() as i32) % nums.len() as i32) as usize;
[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]    --> solutions/tests/a.rs:309:30
[INFO] [stderr]     |
[INFO] [stderr] 309 |         fn slide(len: usize, mut map: &mut Vec<i32>, s: &[u8]) -> i32 {
[INFO] [stderr]     |                              ----^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> solutions/tests/a.rs:396:26
[INFO] [stderr]     |
[INFO] [stderr] 396 |     fn slide(len: usize, mut map: &mut Vec<i32>, s: &[u8]) -> i32 {
[INFO] [stderr]     |                          ----^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `show_all_t_sort` is never used
[INFO] [stderr]   --> solutions/tests/a.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn show_all_t_sort(node_num: usize, map: Vec<(usize, usize)>) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_max_average` is never used
[INFO] [stderr]    --> solutions/tests/a.rs:247:12
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn find_max_average(nums: Vec<i32>, k: i32) -> f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `slide` is never used
[INFO] [stderr]    --> solutions/tests/a.rs:396:8
[INFO] [stderr]     |
[INFO] [stderr] 396 |     fn slide(len: usize, mut map: &mut Vec<i32>, s: &[u8]) -> i32 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `solutions` (test "a") generated 10 warnings (run `cargo fix --test "a"` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solutions-50914c7880a6f153)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/solutions-90d10cf1590be96b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/a.rs (/opt/rustwide/target/debug/deps/a-e357af8f77957997)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test asdstr ... ok
[INFO] [stdout] test adsad ... ok
[INFO] [stdout] test aaaa ... ok
[INFO] [stdout] test e ... ok
[INFO] [stdout] test convert_to_title ... ok
[INFO] [stdout] test ele ... ok
[INFO] [stdout] test elee ... ok
[INFO] [stdout] test adsada ... ok
[INFO] [stdout] test test_function ... ok
[INFO] [stdout] test test_function2 ... ok
[INFO] [stdout] test life_time ... ok
[INFO] [stdout] test easdasd ... FAILED
[INFO] [stdout] test sort ... ok
[INFO] [stdout] test fuckckck ... ok
[INFO] [stdout] test adasdasd ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- easdasd stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'easdasd' panicked at solutions/tests/a.rs:453:94:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x587c740b5d12 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x587c740b5d12 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x587c740b5d12 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x587c740b5d12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x587c740dae03 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x587c740dae03 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x587c740b2ca3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x587c740b2ca3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x587c740b5b62 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x587c740b727c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x587c740b70d2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x587c740782b4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x587c740782b4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x587c740b7c5b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x587c740b7c5b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x587c740b7a2a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x587c740b6209 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x587c740b76bd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x587c740d9950 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x587c740d9cf6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x587c7403c9f4 - core::result::Result<T,E>::unwrap::h4f704e225b553355
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x587c7403c9f4 - a::easdasd::he695047c3f8caaa3
[INFO] [stdout]                                at /opt/rustwide/workdir/solutions/tests/a.rs:453:94
[INFO] [stdout]   22:     0x587c74033979 - a::easdasd::{{closure}}::h78f487ae707b948e
[INFO] [stdout]                                at /opt/rustwide/workdir/solutions/tests/a.rs:452:13
[INFO] [stdout]   23:     0x587c74033979 - core::ops::function::FnOnce::call_once::h19adc2688b5a9a31
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x587c7407d9eb - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x587c7407d9eb - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x587c7407cc2e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x587c7407cc2e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x587c7407cc2e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x587c7407cc2e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x587c7407cc2e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x587c7407cc2e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x587c7407cc2e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x587c740407d4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x587c740407d4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x587c7404417a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x587c7404417a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x587c7404417a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x587c7404417a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x587c7404417a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x587c7404417a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x587c7404417a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x587c740babb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x587c740babb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x587c740babb7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7657e2295aa4 - <unknown>
[INFO] [stdout]   46:     0x7657e2322a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     easdasd
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 13.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test a`
[INFO] running `Command { std: "docker" "inspect" "fa51047647a110c36e2fc5bd7b9f239e1fd11b46d49e7c518fca5527cdf99d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa51047647a110c36e2fc5bd7b9f239e1fd11b46d49e7c518fca5527cdf99d51", kill_on_drop: false }`
[INFO] [stdout] fa51047647a110c36e2fc5bd7b9f239e1fd11b46d49e7c518fca5527cdf99d51
