[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#d98a5da813da67eb189387b8ccfb73cf481275d8+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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bigoldcat123/rust on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jiff-static v0.2.10
[INFO] [stderr]   Downloaded jiff v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0067245b9963bdd0e74c33ef5f683a7f425ecb4069af53a47c5699fcad2e9de3
[INFO] running `Command { std: "docker" "start" "-a" "0067245b9963bdd0e74c33ef5f683a7f425ecb4069af53a47c5699fcad2e9de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0067245b9963bdd0e74c33ef5f683a7f425ecb4069af53a47c5699fcad2e9de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0067245b9963bdd0e74c33ef5f683a7f425ecb4069af53a47c5699fcad2e9de3", kill_on_drop: false }`
[INFO] [stdout] 0067245b9963bdd0e74c33ef5f683a7f425ecb4069af53a47c5699fcad2e9de3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d82e1fa66835721fcd915c3d79bcd75d7b62da6f695c246379322644cdc5d0
[INFO] running `Command { std: "docker" "start" "-a" "e3d82e1fa66835721fcd915c3d79bcd75d7b62da6f695c246379322644cdc5d0", 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 env_filter v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[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 zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling env_logger v0.11.8
[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 41.07s
[INFO] running `Command { std: "docker" "inspect" "e3d82e1fa66835721fcd915c3d79bcd75d7b62da6f695c246379322644cdc5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d82e1fa66835721fcd915c3d79bcd75d7b62da6f695c246379322644cdc5d0", kill_on_drop: false }`
[INFO] [stdout] e3d82e1fa66835721fcd915c3d79bcd75d7b62da6f695c246379322644cdc5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed025f83556c4edf3dba068cf554df4c146660d5cd2159a14212a10c49ac6219
[INFO] running `Command { std: "docker" "start" "-a" "ed025f83556c4edf3dba068cf554df4c146660d5cd2159a14212a10c49ac6219", kill_on_drop: false }`
[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] [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: 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: 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: 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 3.83s
[INFO] running `Command { std: "docker" "inspect" "ed025f83556c4edf3dba068cf554df4c146660d5cd2159a14212a10c49ac6219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed025f83556c4edf3dba068cf554df4c146660d5cd2159a14212a10c49ac6219", kill_on_drop: false }`
[INFO] [stdout] ed025f83556c4edf3dba068cf554df4c146660d5cd2159a14212a10c49ac6219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2cd1ac091ea612f3e8f056c49dd99ac7b7c2102a7bae30a5091c3faf86aca53
[INFO] running `Command { std: "docker" "start" "-a" "d2cd1ac091ea612f3e8f056c49dd99ac7b7c2102a7bae30a5091c3faf86aca53", 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 0.10s
[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 adsad ... ok
[INFO] [stdout] test e ... ok
[INFO] [stdout] test aaaa ... ok
[INFO] [stdout] test ele ... ok
[INFO] [stdout] test elee ... ok
[INFO] [stdout] test test_function ... ok
[INFO] [stdout] test test_function2 ... ok
[INFO] [stdout] test asdstr ... ok
[INFO] [stdout] test adsada ... ok
[INFO] [stdout] test convert_to_title ... ok
[INFO] [stdout] test life_time ... ok
[INFO] [stdout] test easdasd ... FAILED
[INFO] [stdout] test fuckckck ... ok
[INFO] [stdout] test sort ... 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:     0x59fd4e1c1d82 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59fd4e1c1d82 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59fd4e1c1d82 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x59fd4e1c1d82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x59fd4e1e6e43 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x59fd4e1e6e43 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x59fd4e1bef63 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59fd4e1bef63 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x59fd4e1c1bd2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x59fd4e1c32ec - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x59fd4e1c3142 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x59fd4e1842e4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x59fd4e1842e4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59fd4e1c3ccb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x59fd4e1c3ccb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x59fd4e1c3a9a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x59fd4e1c2279 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x59fd4e1c372d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x59fd4e1e5990 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x59fd4e1e5d36 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x59fd4e148a24 - core::result::Result<T,E>::unwrap::h52f2e8f9a3b97fb8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x59fd4e148a24 - a::easdasd::hd9c178d93e629493
[INFO] [stdout]                                at /opt/rustwide/workdir/solutions/tests/a.rs:453:94
[INFO] [stdout]   22:     0x59fd4e13fc79 - a::easdasd::{{closure}}::hb84414501782e69d
[INFO] [stdout]                                at /opt/rustwide/workdir/solutions/tests/a.rs:452:13
[INFO] [stdout]   23:     0x59fd4e13fc79 - core::ops::function::FnOnce::call_once::h5d9b0dcdce4dc285
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59fd4e189a6b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59fd4e189a6b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x59fd4e188c5e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x59fd4e188c5e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x59fd4e188c5e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x59fd4e188c5e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x59fd4e188c5e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x59fd4e188c5e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x59fd4e188c5e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x59fd4e14c7d4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x59fd4e14c7d4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x59fd4e1501aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x59fd4e1501aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x59fd4e1501aa - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x59fd4e1501aa - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x59fd4e1501aa - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x59fd4e1501aa - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x59fd4e1501aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59fd4e1c6c27 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x59fd4e1c6c27 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x59fd4e1c6c27 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x76bb7cab9aa4 - <unknown>
[INFO] [stdout]   46:     0x76bb7cb46a34 - 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 13.29s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test a`
[INFO] running `Command { std: "docker" "inspect" "d2cd1ac091ea612f3e8f056c49dd99ac7b7c2102a7bae30a5091c3faf86aca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cd1ac091ea612f3e8f056c49dd99ac7b7c2102a7bae30a5091c3faf86aca53", kill_on_drop: false }`
[INFO] [stdout] d2cd1ac091ea612f3e8f056c49dd99ac7b7c2102a7bae30a5091c3faf86aca53
