[INFO] cloning repository https://github.com/senk8/AtCoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/senk8/AtCoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenk8%2FAtCoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenk8%2FAtCoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00ae2a4d2adcf2328b198701c2148986e2dba82c
[INFO] checking senk8/AtCoder against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenk8%2FAtCoder" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/senk8/AtCoder on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/senk8/AtCoder
[INFO] finished tweaking git repo https://github.com/senk8/AtCoder
[INFO] tweaked toml for git repo https://github.com/senk8/AtCoder written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/senk8/AtCoder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 168f8a9f2ceb9ff95fcff853e2ab81b712880cf283c27e0aed8c6b898f4aa5c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "168f8a9f2ceb9ff95fcff853e2ab81b712880cf283c27e0aed8c6b898f4aa5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "168f8a9f2ceb9ff95fcff853e2ab81b712880cf283c27e0aed8c6b898f4aa5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168f8a9f2ceb9ff95fcff853e2ab81b712880cf283c27e0aed8c6b898f4aa5c5", kill_on_drop: false }`
[INFO] [stdout] 168f8a9f2ceb9ff95fcff853e2ab81b712880cf283c27e0aed8c6b898f4aa5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d7c0521a8567fab97e88f997b850b2437b5ba2041c226118cfa32ac736b593f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d7c0521a8567fab97e88f997b850b2437b5ba2041c226118cfa32ac736b593f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking proconio v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `btree_set::Union`
[INFO] [stdout]  --> src/math/enum_algorithm.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, btree_set::Union};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pii` should have an upper camel case name
[INFO] [stdout]  --> src/math/enum_algorithm.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | type pii = (i128, i128);
[INFO] [stdout]   |      ^^^ help: convert the identifier to upper camel case: `Pii`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bits_search`, `syakutori`
[INFO] [stdout]   --> src/algorithm/mod.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     use super::{bits_search, syakutori};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::VecDeque, usize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! at {
[INFO] [stdout] 12 | |     (vec:exp,idx:exp) => {
[INFO] [stdout] 13 | |         $vec[$idx as usize]
[INFO] [stdout] 14 | |     };
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | use std::{collections::VecDeque, usize};
[INFO] [stdout]    |           --------------------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 |     use std::collections::VecDeque;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `btree_set::Union`
[INFO] [stdout]  --> src/math/enum_algorithm.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, btree_set::Union};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pii` should have an upper camel case name
[INFO] [stdout]  --> src/math/enum_algorithm.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | type pii = (i128, i128);
[INFO] [stdout]   |      ^^^ help: convert the identifier to upper camel case: `Pii`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::VecDeque`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::VecDeque, usize};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! at {
[INFO] [stdout] 12 | |     (vec:exp,idx:exp) => {
[INFO] [stdout] 13 | |         $vec[$idx as usize]
[INFO] [stdout] 14 | |     };
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VecDeque` is imported redundantly
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | use std::{collections::VecDeque, usize};
[INFO] [stdout]    |           --------------------- the item `VecDeque` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 |     use std::collections::VecDeque;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]  --> src/math/multiple_divisor.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn gcd<T>(a: T, b: T) -> T
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fact`
[INFO] [stdout]  --> src/math/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fact(n:i128)->i128
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]   --> src/math/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn comb(n:i128,r:i128)->i128
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sequence_sum`
[INFO] [stdout]   --> src/math/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn sequence_sum(a:i128,n:i128,d:i128)->i128
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UnionFind`
[INFO] [stdout]  --> src/data_structure/union_find.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct UnionFind {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/data_structure/union_find.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(n:usize)->UnionFind{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]   --> src/data_structure/union_find.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn root(&mut self,x:usize)->usize{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unite`
[INFO] [stdout]   --> src/data_structure/union_find.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn unite(&mut self,x:usize,y:usize)->bool{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `same`
[INFO] [stdout]   --> src/data_structure/union_find.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn same(&mut self,x:usize,y:usize)->bool{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vz`
[INFO] [stdout]  --> src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Vz = Vec<i128>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]   --> src/math/multiple_divisor.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn lcm<T>(a: T, b: T) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |            if x<0 || 50<=x {
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ext_gcd`
[INFO] [stdout]   --> src/math/multiple_divisor.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ext_gcd<T>(a: T, b: T) -> (T, T)
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |            if y<0 || 50<=y {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `pii`
[INFO] [stdout]  --> src/math/enum_algorithm.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type pii = (i128, i128);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     dbg!(a)+dbg!(b);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enum_divisor`
[INFO] [stdout]  --> src/math/enum_algorithm.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn enum_divisor(num: i128) -> Vec<i128> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prime_factorize`
[INFO] [stdout]   --> src/math/enum_algorithm.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn prime_factorize(num: i128) -> Vec<pii> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fact`
[INFO] [stdout]  --> src/math/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn fact(n:i128)->i128
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]   --> src/math/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn comb(n:i128,r:i128)->i128
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sequence_sum`
[INFO] [stdout]   --> src/math/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn sequence_sum(a:i128,n:i128,d:i128)->i128
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UnionFind`
[INFO] [stdout]  --> src/data_structure/union_find.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct UnionFind {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/data_structure/union_find.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(n:usize)->UnionFind{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]   --> src/data_structure/union_find.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn root(&mut self,x:usize)->usize{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unite`
[INFO] [stdout]   --> src/data_structure/union_find.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn unite(&mut self,x:usize,y:usize)->bool{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `same`
[INFO] [stdout]   --> src/data_structure/union_find.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn same(&mut self,x:usize,y:usize)->bool{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bits_search`
[INFO] [stdout]  --> src/algorithm/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bits_search(n:usize)->i128{
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_ok`
[INFO] [stdout]   --> src/algorithm/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn is_ok(vec:&Vec<i128>,index:usize,key:i128)->bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]   --> src/algorithm/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn binary_search(vec:&Vec<i128>,key:i128)->i128{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `acc_sum`
[INFO] [stdout]   --> src/algorithm/mod.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn acc_sum(vec: Vec<i128>) -> Option<Vec<i128>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `syakutori`
[INFO] [stdout]   --> src/algorithm/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn syakutori(vec:Vec<i128>,threshold:i128)->usize{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vz`
[INFO] [stdout]  --> src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Vz = Vec<i128>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |            if x<0 || 50<=x {
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/main.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |            if y<0 || 50<=y {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     dbg!(a)+dbg!(b);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "6d7c0521a8567fab97e88f997b850b2437b5ba2041c226118cfa32ac736b593f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7c0521a8567fab97e88f997b850b2437b5ba2041c226118cfa32ac736b593f", kill_on_drop: false }`
[INFO] [stdout] 6d7c0521a8567fab97e88f997b850b2437b5ba2041c226118cfa32ac736b593f