[INFO] updating cached repository akiradeveloper/rust-comp-snippets
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/akiradeveloper/rust-comp-snippets
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/akiradeveloper/rust-comp-snippets" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/akiradeveloper/rust-comp-snippets"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/akiradeveloper/rust-comp-snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/akiradeveloper/rust-comp-snippets" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/akiradeveloper/rust-comp-snippets"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/akiradeveloper/rust-comp-snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09b0ece44753b3d22c24a7819c86ffcc9ca860bd
[INFO] sha for GitHub repo akiradeveloper/rust-comp-snippets: 09b0ece44753b3d22c24a7819c86ffcc9ca860bd
[INFO] validating manifest of akiradeveloper/rust-comp-snippets on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of akiradeveloper/rust-comp-snippets on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing akiradeveloper/rust-comp-snippets
[INFO] finished frobbing akiradeveloper/rust-comp-snippets
[INFO] frobbed toml for akiradeveloper/rust-comp-snippets written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/akiradeveloper/rust-comp-snippets/Cargo.toml
[INFO] started frobbing akiradeveloper/rust-comp-snippets
[INFO] finished frobbing akiradeveloper/rust-comp-snippets
[INFO] frobbed toml for akiradeveloper/rust-comp-snippets written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/akiradeveloper/rust-comp-snippets/Cargo.toml
[INFO] crate akiradeveloper/rust-comp-snippets already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking akiradeveloper/rust-comp-snippets against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-6/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/akiradeveloper/rust-comp-snippets:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66f2a81d7730a15a920b7d434375d70d22e9c6394c2249d8786e4ec7f941aeb3
[INFO] running `"docker" "start" "-a" "66f2a81d7730a15a920b7d434375d70d22e9c6394c2249d8786e4ec7f941aeb3"`
[INFO] [stderr]     Checking rust-comp-snippets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `RUQ_INF` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 | struct RUQ_INF;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RuqInf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `RSQ_RAQ` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 | struct RSQ_RAQ;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RsqRaq`
[INFO] [stderr] 
[INFO] [stderr] warning: type `RMQ_RAQ` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:183:8
[INFO] [stderr]     |
[INFO] [stderr] 183 | struct RMQ_RAQ;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RmqRaq`
[INFO] [stderr] 
[INFO] [stderr] warning: type `RSQ_RUQ` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:215:8
[INFO] [stderr]     |
[INFO] [stderr] 215 | struct RSQ_RUQ;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RsqRuq`
[INFO] [stderr] 
[INFO] [stderr] warning: type `RUQ_INF` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 | struct RUQ_INF;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RuqInf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `RSQ_RAQ` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 | struct RSQ_RAQ;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RsqRaq`
[INFO] [stderr] 
[INFO] [stderr] warning: type `RMQ_RAQ` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:183:8
[INFO] [stderr]     |
[INFO] [stderr] 183 | struct RMQ_RAQ;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RmqRaq`
[INFO] [stderr] 
[INFO] [stderr] warning: type `RSQ_RUQ` should have an upper camel case name
[INFO] [stderr]    --> src/seg_lazy.rs:215:8
[INFO] [stderr]     |
[INFO] [stderr] 215 | struct RSQ_RUQ;
[INFO] [stderr]     |        ^^^^^^^ help: convert the identifier to upper camel case: `RsqRuq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/seg_lazy.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/seg_lazy.rs:94:52
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]    |                                                    ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/seg_lazy.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn h(x: Self::OperatorMonoid, y: Self::OperatorMonoid) -> Self::OperatorMonoid {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:126:10
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/seg_lazy.rs:126:52
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]     |                                                    ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:129:10
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn h(x: Self::OperatorMonoid, y: Self::OperatorMonoid) -> Self::OperatorMonoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:228:10
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:231:10
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn h(x: Self::OperatorMonoid, y: Self::OperatorMonoid) -> Self::OperatorMonoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/graph/sssp.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn dijkstra(n: usize, cost: &[Vec<u32>], s: usize) -> Vec<u32> {
[INFO] [stderr]   |                                              ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WeightedUnionFind`
[INFO] [stderr]   --> src/union_find.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | struct WeightedUnionFind {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/union_find.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn new(n: usize) -> WeightedUnionFind {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `root`
[INFO] [stderr]   --> src/union_find.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn root(&mut self, x: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `weight`
[INFO] [stderr]   --> src/union_find.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn weight(&mut self, x: usize) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `same`
[INFO] [stderr]    --> src/union_find.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn same(&mut self, x: usize, y: usize) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `merge`
[INFO] [stderr]    --> src/union_find.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn merge(&mut self, x: usize, y: usize, w: i32) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SEG`
[INFO] [stderr]   --> src/seg_lazy.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct SEG<T: SEGImpl> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/seg_lazy.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(init: T::Monoid, n: usize) -> SEG<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `propagate`
[INFO] [stderr]   --> src/seg_lazy.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn propagate(&mut self, k: usize, len: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `do_update`
[INFO] [stderr]   --> src/seg_lazy.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn do_update(&mut self, a: usize, b: usize, x: T::OperatorMonoid, k: usize, l: usize, r: usize) -> T::Monoid {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/seg_lazy.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn update(&mut self, a: usize, b: usize, x: T::OperatorMonoid) -> T::Monoid {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `do_query`
[INFO] [stderr]   --> src/seg_lazy.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn do_query(&mut self, a: usize, b: usize, k: usize, l: usize, r: usize) -> T::Monoid {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `query`
[INFO] [stderr]   --> src/seg_lazy.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn query(&mut self, a: usize, b: usize) -> T::Monoid {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RUQ`
[INFO] [stderr]   --> src/seg_lazy.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct RUQ;
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RUQ_INF`
[INFO] [stderr]    --> src/seg_lazy.rs:113:1
[INFO] [stderr]     |
[INFO] [stderr] 113 | struct RUQ_INF;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RSQ_RAQ`
[INFO] [stderr]    --> src/seg_lazy.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | struct RSQ_RAQ;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RMQ_RAQ`
[INFO] [stderr]    --> src/seg_lazy.rs:183:1
[INFO] [stderr]     |
[INFO] [stderr] 183 | struct RMQ_RAQ;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RSQ_RUQ`
[INFO] [stderr]    --> src/seg_lazy.rs:215:1
[INFO] [stderr]     |
[INFO] [stderr] 215 | struct RSQ_RUQ;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ModComb`
[INFO] [stderr]   --> src/modulo.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | struct ModComb {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `initialize`
[INFO] [stderr]   --> src/modulo.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn initialize(ft: &mut Self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/modulo.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn new(max_n: u64, p: u64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nCk`
[INFO] [stderr]   --> src/modulo.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn nCk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nPk`
[INFO] [stderr]   --> src/modulo.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn nPk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nHk`
[INFO] [stderr]   --> src/modulo.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn nHk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dijkstra`
[INFO] [stderr]  --> src/graph/sssp.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn dijkstra(n: usize, cost: &[Vec<u32>], s: usize) -> Vec<u32> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]   --> src/graph/sssp.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     struct Edge {
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dijkstra_heap`
[INFO] [stderr]   --> src/graph/sssp.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn dijkstra_heap(n: usize, g: &[Vec<Edge>], s: usize) -> Vec<u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]   --> src/graph/sssp.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     struct Edge {
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bellman_ford`
[INFO] [stderr]   --> src/graph/sssp.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn bellman_ford(n: usize, es: Vec<Edge>, source: usize) -> Vec<i32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_negative_loop`
[INFO] [stderr]    --> src/graph/sssp.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn find_negative_loop(n: usize, es: Vec<Edge>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warshal_froid`
[INFO] [stderr]  --> src/graph/apsp.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn warshal_froid(d: &mut [Vec<i32>]) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Network`
[INFO] [stderr]  --> src/graph/max_flow.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     struct Network {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/graph/max_flow.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         fn new(n: usize) -> Network {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `n`
[INFO] [stderr]   --> src/graph/max_flow.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fn n(&self) -> usize {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_edge`
[INFO] [stderr]   --> src/graph/max_flow.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         fn add_edge(&mut self, from: usize, to: usize, cap: u32) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dfs`
[INFO] [stderr]   --> src/graph/max_flow.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         fn dfs(&mut self, v: usize, t: usize, f: u32) -> u32 {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_flow`
[INFO] [stderr]   --> src/graph/max_flow.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         fn max_flow(&mut self, s: usize, t: usize) -> u32 {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Network`
[INFO] [stderr]    --> src/graph/max_flow.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     struct Network {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/graph/max_flow.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         fn new(n: usize) -> Network {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_edge`
[INFO] [stderr]    --> src/graph/max_flow.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         fn add_edge(&mut self, from: usize, to: usize, cap: u32) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `n`
[INFO] [stderr]    --> src/graph/max_flow.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         fn n(&self) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bfs`
[INFO] [stderr]    --> src/graph/max_flow.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         fn bfs(&mut self, s: usize) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dfs`
[INFO] [stderr]    --> src/graph/max_flow.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         fn dfs(&mut self, v: usize, t: usize, f: u32) -> u32 {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_flow`
[INFO] [stderr]    --> src/graph/max_flow.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         fn max_flow(&mut self, s: usize, t: usize) -> u32 {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Network`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     struct Network {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         fn new(n: usize) -> Network {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_edge`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         fn add_edge(&mut self, from: usize, to: usize, cap: u32, cost: i32) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `n`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn n(&self) -> usize {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min_cost_flow`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         fn min_cost_flow(&mut self, s: usize, t: usize, f: u32) -> Option<i32> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INF`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             const INF: i32 = 2_000_000_001;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Network`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     struct Network {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         fn new(n: usize) -> Network {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_edge`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         fn add_edge(&mut self, from: usize, to: usize, cap: u32, cost: u32) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `n`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         fn n(&self) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min_cost_flow`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         fn min_cost_flow(&mut self, s: usize, t: usize, f: u32) -> Option<u32> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `nCk` should have a snake case name
[INFO] [stderr]   --> src/modulo.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn nCk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `n_ck`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `nPk` should have a snake case name
[INFO] [stderr]   --> src/modulo.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn nPk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `n_pk`
[INFO] [stderr] 
[INFO] [stderr] warning: method `nHk` should have a snake case name
[INFO] [stderr]   --> src/modulo.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn nHk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `n_hk`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `INF` should have a snake case name
[INFO] [stderr]   --> src/graph/sssp.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let INF = 2_000_000_001;
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `inf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `INF` should have a snake case name
[INFO] [stderr]    --> src/graph/max_flow.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 let INF = 2_000_000_001;
[INFO] [stderr]     |                     ^^^ help: convert the identifier to snake case: `inf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `INF` should have a snake case name
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 let INF: u32 = 2_000_000_001;
[INFO] [stderr]     |                     ^^^ help: convert the identifier to snake case: `inf`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 |                         assert!(new_dist >= 0);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/seg_lazy.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/seg_lazy.rs:94:52
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]    |                                                    ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/seg_lazy.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn h(x: Self::OperatorMonoid, y: Self::OperatorMonoid) -> Self::OperatorMonoid {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:126:10
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/seg_lazy.rs:126:52
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]     |                                                    ^^^ help: consider prefixing with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:129:10
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn h(x: Self::OperatorMonoid, y: Self::OperatorMonoid) -> Self::OperatorMonoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:228:10
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn g(x: Self::Monoid, y: Self::OperatorMonoid, len: usize) -> Self::Monoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/seg_lazy.rs:231:10
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn h(x: Self::OperatorMonoid, y: Self::OperatorMonoid) -> Self::OperatorMonoid {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/graph/sssp.rs:2:46
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn dijkstra(n: usize, cost: &[Vec<u32>], s: usize) -> Vec<u32> {
[INFO] [stderr]   |                                              ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `same`
[INFO] [stderr]    --> src/union_find.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn same(&mut self, x: usize, y: usize) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dijkstra`
[INFO] [stderr]  --> src/graph/sssp.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn dijkstra(n: usize, cost: &[Vec<u32>], s: usize) -> Vec<u32> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]   --> src/graph/sssp.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     struct Edge {
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dijkstra_heap`
[INFO] [stderr]   --> src/graph/sssp.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn dijkstra_heap(n: usize, g: &[Vec<Edge>], s: usize) -> Vec<u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Edge`
[INFO] [stderr]   --> src/graph/sssp.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     struct Edge {
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bellman_ford`
[INFO] [stderr]   --> src/graph/sssp.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn bellman_ford(n: usize, es: Vec<Edge>, source: usize) -> Vec<i32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_negative_loop`
[INFO] [stderr]    --> src/graph/sssp.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn find_negative_loop(n: usize, es: Vec<Edge>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Network`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     struct Network {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         fn new(n: usize) -> Network {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_edge`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         fn add_edge(&mut self, from: usize, to: usize, cap: u32, cost: i32) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `n`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn n(&self) -> usize {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min_cost_flow`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         fn min_cost_flow(&mut self, s: usize, t: usize, f: u32) -> Option<i32> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INF`
[INFO] [stderr]   --> src/graph/min_cost_flow.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             const INF: i32 = 2_000_000_001;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Network`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     struct Network {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         fn new(n: usize) -> Network {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_edge`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         fn add_edge(&mut self, from: usize, to: usize, cap: u32, cost: u32) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `n`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         fn n(&self) -> usize {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min_cost_flow`
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         fn min_cost_flow(&mut self, s: usize, t: usize, f: u32) -> Option<u32> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `nCk` should have a snake case name
[INFO] [stderr]   --> src/modulo.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn nCk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `n_ck`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `nPk` should have a snake case name
[INFO] [stderr]   --> src/modulo.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn nPk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `n_pk`
[INFO] [stderr] 
[INFO] [stderr] warning: method `nHk` should have a snake case name
[INFO] [stderr]   --> src/modulo.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn nHk(&self, n: u64, k: u64) -> u64 {
[INFO] [stderr]    |        ^^^ help: convert the identifier to snake case: `n_hk`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `INF` should have a snake case name
[INFO] [stderr]   --> src/graph/sssp.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let INF = 2_000_000_001;
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `inf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `INF` should have a snake case name
[INFO] [stderr]   --> src/graph/apsp.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let INF = 1000000;
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `inf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `INF` should have a snake case name
[INFO] [stderr]    --> src/graph/max_flow.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 let INF = 2_000_000_001;
[INFO] [stderr]     |                     ^^^ help: convert the identifier to snake case: `inf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `INF` should have a snake case name
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 let INF: u32 = 2_000_000_001;
[INFO] [stderr]     |                     ^^^ help: convert the identifier to snake case: `inf`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/graph/min_cost_flow.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 |                         assert!(new_dist >= 0);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "66f2a81d7730a15a920b7d434375d70d22e9c6394c2249d8786e4ec7f941aeb3"`
[INFO] running `"docker" "rm" "-f" "66f2a81d7730a15a920b7d434375d70d22e9c6394c2249d8786e4ec7f941aeb3"`
[INFO] [stdout] 66f2a81d7730a15a920b7d434375d70d22e9c6394c2249d8786e4ec7f941aeb3